Tag Archives: helical gear

China Custom Dby Dcy Industrial Transmission Helical Bevel Gear Right Angle Gearbox components of gearbox

Product Description

PROFESSIONAL MANUFACTURE
— SINCE 1995

DBY DCY industrial  transmission helical bevel gear right angle gearbox

Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light

industry,environmental protection, paper making, printing, lifting transport, food industry and so on.

Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.

Product Description

 

Realized parallel shaft,right-angle shaft modes and horizontal,vertical mounting modes.

Using less component parts.

Applying advanced grinding process which improved the stability and the efficiency of transmit power with lower noise.

Mounting mode:foot-mounted,flange-mounted,swing base-mounted,torque-arm-mounted.

Ratio range:8-50. It will be higher when combining with K&R series reducer.

Product Parameters

 

Type

Input Speed r/min

Transmission Ratio

Type

Input Speed r/min

Transmission Ratio

DBY

750

8 10 11.2 12.5 14

DCY

750

.4 .5 35.5

1000

1000

1500

1500

 

Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox. H PV series High quality Right Angle Unique speed reducer HB helical gearbox / gear box.

Detailed Photos

 

Chinese Speed Reducer/industrial helical gearbox is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electricity, construction machinery and petrochemical industries.

In all fields of national economy and national defense industry, gearbox products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products.

 

Packaging & Shipping

 

Application

 

Driven machines
Waste water treatment Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps Dredgers Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears
Chemical industry Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges Metal working mills plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CHINAMFG mills
Metal working mills Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives Conveyors Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears
Frequency converters Reciprocating compressors
Cranes Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes Cooling towers Cooling tower fans, blowers axial and radial
Cane sugar production Cane knives, cane mills Beet sugar production Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter
Paper machines Pulper drives Cableways Material ropeways, continuous ropeway
Cement industry Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers    

Company Profile

 

Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand “TianQi”, all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CHINAMFG South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CHINAMFG to speaking with you to future discuss how we can be of service to you.

FAQ

1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).

2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer’s drawing and sample.

3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher

4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

 

Application: Motor, Machinery, Manufacturing Plant
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Parallel Shaft
Samples:
US$ 1200/Piece
1 Piece(Min.Order)

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Order Sample

helical bevel gear right angle gearbox
Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

bevel gearbox

Performance of Bevel Gearboxes in Heavy-Duty Applications like Construction Equipment

Bevel gearboxes are well-suited for heavy-duty applications such as construction equipment due to their robust design and reliable performance:

  • Durability: Bevel gearboxes are designed to withstand high loads, shocks, and impacts commonly encountered in construction environments.
  • Torque Transmission: Construction equipment requires high torque to move heavy loads, and bevel gearboxes efficiently transmit torque between intersecting shafts.
  • Directional Changes: Bevel gearboxes enable smooth and precise changes in rotational direction, crucial for controlling construction machinery.
  • Power Distribution: These gearboxes ensure efficient power distribution to various components of construction equipment, enhancing overall functionality.
  • Steering Mechanisms: Many construction vehicles rely on bevel gearboxes for their steering systems, allowing operators to navigate equipment with ease.
  • Reliability: In demanding construction conditions, bevel gearboxes offer reliable and consistent performance, minimizing downtime and maintenance needs.

The ability of bevel gearboxes to handle heavy loads, transmit torque, and facilitate directional changes makes them indispensable components in construction equipment, contributing to the efficiency and effectiveness of various construction operations.

bevel gearbox

Bevel Gearboxes in Marine and Aerospace Applications

Yes, bevel gearboxes are commonly found in both marine and aerospace applications, offering unique advantages in these industries:

  • Marine Applications: Bevel gearboxes are used in marine propulsion systems to transmit power from engines to propellers. Their ability to change rotational direction and transmit high torque makes them suitable for adjusting propeller pitch and optimizing thrust. Additionally, bevel gearboxes are employed in winch systems, steering mechanisms, and various onboard equipment.
  • Aerospace Applications: Bevel gearboxes play a crucial role in aerospace systems, such as helicopter rotor systems. They transmit power from the engine to the rotor blades while allowing changes in rotational direction. In aircraft, bevel gearboxes are used in landing gear mechanisms, flap control systems, and engine accessory drives. The compact design of bevel gearboxes is especially beneficial in aerospace applications where space and weight considerations are essential.

The versatility, efficiency, and reliability of bevel gearboxes make them well-suited for addressing the unique challenges and requirements of marine and aerospace environments.

bevel gearbox

Bevel Gearbox: Function and Mechanics

A bevel gearbox is a type of mechanical device designed to transmit rotational motion and power between two intersecting shafts with non-parallel axes. It employs a set of bevel gears to change the direction of motion by 90 degrees. Bevel gearboxes are commonly used in various mechanical systems and applications where a change in rotational direction is required.

The function of a bevel gearbox can be summarized as follows:

  • Directional Change: A bevel gearbox is primarily utilized to redirect rotational motion from one input shaft to an output shaft that is oriented at a perpendicular angle. This enables the transmission of power and motion around corners or between different planes.
  • Torque Transfer: Bevel gearboxes are capable of transmitting torque between intersecting shafts, allowing for the efficient transfer of rotational force from the input shaft to the output shaft.
  • Speed Reduction or Increase: Depending on the arrangement of bevel gears, a bevel gearbox can also modify the rotational speed of the output shaft relative to the input shaft. This makes it possible to achieve speed reduction or speed increase as needed in the mechanical system.

The mechanics of a bevel gearbox involve the use of bevel gears, which have conically shaped teeth that allow them to mesh with each other at an angle. The most common types of bevel gears used in bevel gearboxes are straight bevel gears and spiral bevel gears.

When the input shaft rotates, its connected bevel gear engages with the first bevel gear in the gearbox. As a result, the rotational motion is transferred to the second bevel gear, which is mounted on the output shaft. The interaction of these gears changes the direction of rotation and transfers torque to the output shaft.

Bevel gearboxes are found in various applications, including automotive differentials, power tools, printing presses, machine tools, and other mechanical systems where torque transmission and directional changes are essential.

China Custom Dby Dcy Industrial Transmission Helical Bevel Gear Right Angle Gearbox   components of gearbox	China Custom Dby Dcy Industrial Transmission Helical Bevel Gear Right Angle Gearbox   components of gearbox
editor by CX 2023-12-08

China high quality Helical High Precision Planetary Gear Reducer with Stepper Servo Motor Gearbox with Good quality

Product Description

Product Description

Helical High Precision Planetary Gear Reducer with Stepper Servo Motor Gearbox is a new generation of practical products independently developed by our company:

Low noise: less than 65db.

Low back clearance: up to 3 arc minutes in a CZPT and 5 arc minutes in a double stage.

High torque: higher than the standard planetary reducer torque.

High stability: high strength alloy steel, the whole gear after hardening treatment, not only the surface hard substitution.

High deceleration ratio: Modular design, planetary gearbox can be interlinked.

 

Fubao planetary gear box manufacturer, the supply of high-precision planetary reducer has the following advantages:
 

1, compact structure: the characteristics of large torque planetary reducer is to make full use of space, limited space design bearing and gear ratio, so that the product is smaller than the traditional reducer volume can save space.
 

2, high efficiency: the planetary gear group will be in a completely tight meshing state when running, reducing gear collision or local meshing resulting in gear damage. The completely tight meshing characteristic makes the efficiency loss of each gear transmission only 3%. This type of transmission mode can ensure that the kinetic energy input reducer to the mechanical end of the process, still can maintain high transmission efficiency, avoid the internal gear friction, sliding, mechanical loss.
 

3, high axial and radial load capacity: the output shaft of Fubao technology’s high-torque planetary reducer adopts a large-span style, so that the bearing is configured at both ends of the output shaft. The design can effectively disperse the force acting on the output shaft and reduce the load of the bearing. In other words, the product strengthens the bearing and radial load capacity under the same size.
 

4, high strength: large torque planetary reducer gear group is very strong and stable, the thickness of the gear dispersed the load on the gear. The large span bearing group provides a stable structure, and the precision gear group allows the load to be distributed to each planetary gear under tight meshing to withstand the torque load.
 

5, high stability: precision processing to ensure that the product coaxial and concentric, coupled with bearing large span design, so that large torque planetary reducer with excellent stability.

 

Detailed Photos

Product Details

Product Classification

Product Advantage

Compared with other reduction machines, planetary gear reduction machines have high rigidity, high precision (single stage can be achieved within 1 point), high transmission efficiency (single stage in 97-98%), high torque/volume ratio, lifetime maintenance free and other characteristics.

Because of these characteristics, planetary gear reducer is mostly installed on the stepper motor and servo motor, used to reduce speed, increase torque, matching inertia.

Company Profile

Factory Display

 

Application: Motor, Machinery, Agricultural Machinery, Robot
Function: Change Drive Torque, Speed Changing, Speed Reduction, Lower The Speed and Increase The Torque
Layout: Coaxial
Customization:
Available

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Customized Request

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Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

helical gearbox

How to Use a Cyclone Gearbox

Often, a cycloidal gearbox is used in order to achieve a torque transfer from a motor or pump. This type of gearbox is often a common choice as it has a number of advantages over a regular gearbox. Its main advantage is that it is easy to make, which means that it can be incorporated into a variety of applications. However, if you want to use a cycloidal gearbox, there are a few things that you need to know. These include the operation principle, the structure and the dynamic and inertial effects that come with it.

Dynamic and inertial effects

Several studies have been carried out on the static and dynamic properties of cycloidal gears. The study of these effects is beneficial in assisting optimal design of cycloidal speed reducers.
In this paper, the dynamic and inertial effects of a two-stage cycloidal speed reducer have been investigated using the CZPT program package. Moreover, a new model for cycloidal reducers based on non-linear contact dynamics has been developed. The new model aims to predict several operational conditions.
The normal excitation contact force for the cycloid discs of the first and second stage is very similar. However, the total deformation at the contact point is different. This effect is mainly due to the system’s own oscillations. The cycloid discs of the second stage turn around the ring gear roller with a 180deg angle. This angle is a significant contributor to the torque loads. The total excitation force on the cycloid discs of first and second stage is 1848 N and 2068.7 N, respectively.
In order to analyze the contact stress, different gear profiles were investigated. The mesh density was considered as an important design criterion. It was found that a bigger hole reduces the material content of the cycloidal disc and results in more stresses.
Moreover, it is possible to reduce the contact forces in a more efficient manner by changing the geometric parameters. This can be done by mesh refinement along the disc width. The cycloidal disc has the greatest influence on the output results.
The efficiency of a cycloidal drive increases with the increase in load. The efficiency of a cycloidal reducer also depends on the eccentricity of the input shaft and the cycloidal plate. The efficiency curve for small loads is linear. However, for the larger loads, the efficiency curve becomes more non-linear. This is because the stiffness of the cycloid reducer increases as the load increases.

Structure

Despite the fact that it looks like a complicated engineering puzzle, the construction of a cycloidal gearbox is actually quite simple. The key elements are the base, the load plate and the thrust bearing. All these elements work together to create a stable, compact gearbox.
The base is a circular section with several cylindrical pins around its outer edge. The pins are fixed on a fixed ring that holds them in a circular path. The ring serves as a reference circle. The circle’s size is approximately 5mm in diameter.
The load plate is a series of threaded screw holes. These are arranged 15mm away from the center. These are used to anchor external structures. The load plate must be rotated around the X and Y axis.
The thrust bearing is placed on top of the load plate. The bearing is made of an internal diameter of 35mm and an external diameter of 52mm. It is used to allow rotation around the Z axis.
The cycloidal disc is the centerpiece of the cycloidal gearbox. The disc has holes for the pins that drive the output shaft. The holes are larger than those used in output roller pins. The disc also has a reduced eccentricity.
The pins are attached to the cycloidal disc by rolling pins. The pins are made of a material that provides mechanical support for the drive during high-torque situations. The pins have a 9mm external diameter. The disc has a number of lobes and is rotated by one lobe per shaft revolution.
The cycloidal gearbox also has a top cover that helps keep the components together. The cover has a pocket for tools. The top cover also has threads that screw into the casing.helical gearbox

Operation principle

Among many types of gear transmissions, cycloidal gearboxes are used in heavy machinery and multi-axis robots. They are highly effective, compact and capable of high ratios. In addition, they have an overload capability.
Cycloid disks are driven by eccentric shafts that rotate around fixed ring pins. Roller pins of the pin disc engage with holes in the cycloidal disc. These roller pins drive the pin disc and the pin disc transfers the motion to the output shaft.
Unlike conventional gear drives, cycloidal drives have low backlash and high torsional stiffness. They are ideally suited to heavy loads and all drive technologies. The lower mass and compact design of the cycloidal disk also contributes to its high efficiency and positioning accuracy.
The cycloidal disc plays a central role in the gearbox kinematics. It rotates around a fixed ring in a circle. When the disc is pushed against the ring gear, the pins engage with the disc and the roller pins rotate around the pins. This rotating motion generates vibration, which travels through the driven shafts.
Cycloid discs are typically designed with a short cycloid, so that the eccentricity is minimized. This reduces unbalance forces at high speeds. Ideally, the number of lobes on the cycloid is smaller than the number of surrounding pins. This reduces the amount of Hertzian contact stress.
Unlike planetary gears, cycloidal gears have high accuracy and are capable of withstanding shock loads. They also experience low friction and less wear on tooth flanks. They also have higher efficiency and load capacity.
Cycloid gears are generally more difficult to manufacture than involute gears. Cycloid gears are not suitable for stacking gear stages. They require extreme accuracy for manufacturing. However, their smaller size and low backlash, high torsional stiffness, and low vibration make them ideal for use in heavy machines.

Involute gear tooth profile

Almost all gears are manufactured with an involute gear tooth profile. Cycloid gears are also produced with this profile. Compared with involute gears, cycloid gears are stronger and can transmit more power. However, they can also be more difficult to manufacture. This makes them costlier.
The involute gear tooth profile is a smooth curve. It is derived from the involute curve of a circle. A tangent to the base circle is the normal at any point of an involute.
This curve has properties that allow the involute gear teeth to transfer motion in perpendicular direction. It is also the path traced by the end of the string unwrapping from a cylinder.
An involute profile has the advantage of being easy to manufacture. It also allows for smooth meshing despite misalignment of the centre distance. This profile is also preferred over a cycloid tooth profile, but it is not the best in every regard.
Cycloid gear teeth are also made of two curves. Unlike involute teeth, cycloid gear teeth have a consistent radius. Cycloid gears are less likely to produce noise. But they are also more expensive to manufacture.
Involute teeth are easier to manufacture because they have only one curve. Cycloid gears can also be made with a rack type cutter. This makes them cheaper to manufacture. However, they require an expert design. They can also be manufactured with a gear shaper that includes a pinion cutter.
The tooth profiles that satisfy the law of gear-tooth action are sometimes called conjugate profiles. The involute profile is the most common of these. It allows for constant torque transmission.helical gearbox

Backlash

Typically, cycloidal drives provide a high ratio of transmission with no backlash. This is because the cycloid disc is driven by an eccentric shaft. During rotation, the cycloid disc rotates around a fixed ring. This ring also rotates independently of the center of gravity.
The cycloid disc is typically shortened to reduce the eccentricity. This helps to minimize the unbalance forces that may occur at high speeds. The cycloid also offers a larger gear ratio than traditional gears. This provides a better positional accuracy.
Cycloid drives also have a high torsional stiffness. This provides greater torsional resilience and shock load capabilities. This is important for a number of reasons, such as in heavy-duty applications.
Cycloid drives also have lower mass. These benefits make them ideally suited for all drive technologies. The design also allows for higher torsional stiffness and service life. These drives also have a much smaller profile.
Cycloid drives are also used to reduce speed. Because of the high torsional stiffness of the cycloid, they also have high positioning accuracy.
Cycloid drives are well-suited to a variety of applications, including electric motors, generators, and pump motors. They are also highly resistant to shock loads, which is important in a variety of applications. This design is ideal for applications that require a large transmission ratio in a compact design.
Cycloid drives also have the advantage of minimizing the clearance between the mating components. This helps to eliminate interference and ensure a positive fit. This is particularly important in gearboxes. It also allows for the use of a load cell and potentiometer to determine the backlash of the gearbox.
China high quality Helical High Precision Planetary Gear Reducer with Stepper Servo Motor Gearbox   with Good quality China high quality Helical High Precision Planetary Gear Reducer with Stepper Servo Motor Gearbox   with Good quality
editor by CX 2023-11-23

China best K Series Helical Gear Reducer K37 Gear Grinding Motor Integrated Spray Plastic Helical Gear Spiral Bevel Gear Reducer Sew Gearbox gearbox engine

Product Description

Product Description

-K Series Helical Bevel Gearbox
 

K series gear reducer, manufactured according to international technical requirements, has a high scientific and technological content; Space saving, reliable and durable, high overload capacity, power up to 132KW; Low energy consumption, superior performance, reducer efficiency up to 95%
It is designed and manufactured on the basis of module combination system. There are a lot of motor combinations, installation forms and structural schemes. The transmission ratio is classified carefully to meet different operating conditions and realize electromechanical integration.

High transmission efficiency, low energy consumption and superior performance.

Reinforced high rigid cast iron box; The hardened gear is made of high-quality alloy steel. Its surface is carburized, quenched and hardened, and the gear is finely ground. It features stable transmission, low noise, large bearing capacity, low temperature rise, and long service life. Performance and characteristics:

1. The gear is carburized and quenched with high-quality alloy, the hardness of the tooth surface is up to 60 ± 2hrc, and the grinding accuracy of the tooth surface is up to 5-6

2. The computer modification technology is used to pre modify the gear, which greatly improves the bearing capacity of the reducer

3. Complete modular structure design is adopted from the box to the internal gear, which is suitable for large-scale production and flexible selection

4. The standard reducer models are divided according to the form of decreasing torque. Compared with the traditional equal proportion division, they are more in line with customer requirements and avoid power waste

5. It is designed and manufactured by cad/cam to ensure the stability of quality

6. Multiple sealing structures are adopted to prevent oil leakage

7. Multi directional noise reduction measures to ensure the excellent low noise performance of the reducer

8. The installation mode of Liyi products is flexible, which makes it easy for customers to choose K57 reducer, K67 reducer, K77 reducer, K87 reducer, K97 reducer, KA87 reducer, KA97 reducer, KA107 reducer, KA127 reducer

Product Features
1. Input mode: Coupled motor, belted motor, input shaft or connection flange.
2. Output: Right angle
3. Compact structure. Rigid tooth face. Carrying greater torque, high loading capacity.
4.High precision gear, ensuring the unit to operate stably, smooth transmission.
5. Low noise, long lifespan. Large overlap coefficient, abrasion resistant.


 

 

Our product line

Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Expansion
Gear Shape: Bevel Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 1000/Piece
1 Piece(Min.Order)

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Request Sample

bevel gearbox

Performance of Bevel Gearboxes in Heavy-Duty Applications like Construction Equipment

Bevel gearboxes are well-suited for heavy-duty applications such as construction equipment due to their robust design and reliable performance:

  • Durability: Bevel gearboxes are designed to withstand high loads, shocks, and impacts commonly encountered in construction environments.
  • Torque Transmission: Construction equipment requires high torque to move heavy loads, and bevel gearboxes efficiently transmit torque between intersecting shafts.
  • Directional Changes: Bevel gearboxes enable smooth and precise changes in rotational direction, crucial for controlling construction machinery.
  • Power Distribution: These gearboxes ensure efficient power distribution to various components of construction equipment, enhancing overall functionality.
  • Steering Mechanisms: Many construction vehicles rely on bevel gearboxes for their steering systems, allowing operators to navigate equipment with ease.
  • Reliability: In demanding construction conditions, bevel gearboxes offer reliable and consistent performance, minimizing downtime and maintenance needs.

The ability of bevel gearboxes to handle heavy loads, transmit torque, and facilitate directional changes makes them indispensable components in construction equipment, contributing to the efficiency and effectiveness of various construction operations.

bevel gearbox

Limitations of Torque and Speed Handling in Bevel Gearboxes

While bevel gearboxes offer numerous advantages, they do have limitations in terms of the maximum torque and speed they can handle:

  • Torque Limitations: The torque capacity of a bevel gearbox is influenced by factors such as the size of the gears, the material used, and the tooth geometry. Excessive torque can lead to gear tooth failure, wear, or even breakage.
  • Speed Limitations: High-speed applications can pose challenges for bevel gearboxes. As rotational speed increases, the centrifugal forces acting on the gears also increase, leading to potential issues with stability, vibration, and heat generation.
  • Heat Dissipation: Bevel gearboxes may generate heat due to friction and the load-carrying nature of the gears. Prolonged operation at high speeds or under heavy loads can result in increased heat, which may require additional cooling mechanisms.
  • Material and Design: The material used for the gears and gearbox housing, as well as the design and manufacturing quality, play a significant role in determining the torque and speed limits of the gearbox. Inadequate material selection or poor design can result in premature failure.
  • Application-Specific Considerations: The limitations of bevel gearboxes may vary based on the specific application requirements, environmental conditions, and operational factors. It’s important to carefully assess the suitability of a bevel gearbox for a given task.

Engineers and designers need to carefully analyze the torque and speed requirements of an application to ensure that the selected bevel gearbox can operate safely and effectively within its specified limits.

bevel gearbox

Transmission of Motion at an Angle with Bevel Gearboxes

Bevel gearboxes are designed to transmit motion between intersecting shafts that are positioned at an angle to each other. They accomplish this by using a set of bevel gears, which have teeth that are cut in a conical shape.

When two bevel gears mesh, their teeth engage at the point of contact. As one gear rotates, it drives the other gear, transmitting motion and torque between the shafts. The angle between the shafts and the orientation of the gear teeth determine the direction and speed of motion transfer.

There are two main types of bevel gears commonly used in bevel gearboxes:

  • Straight Bevel Gears: These gears have straight-cut teeth and are used when the intersecting shafts are at a 90-degree angle. They are the simplest form of bevel gears and provide efficient motion transmission.
  • Spiral Bevel Gears: These gears have teeth that are cut at an angle, allowing them to gradually engage and disengage. Spiral bevel gears are used when the intersecting shafts are at angles other than 90 degrees. They provide smoother operation, less noise, and increased load-carrying capacity compared to straight bevel gears.

The precision manufacturing of bevel gear teeth ensures accurate and reliable motion transmission at various angles, making bevel gearboxes suitable for applications that require motion to be transferred between intersecting shafts in non-parallel orientations.

China best K Series Helical Gear Reducer K37 Gear Grinding Motor Integrated Spray Plastic Helical Gear Spiral Bevel Gear Reducer Sew Gearbox   gearbox engineChina best K Series Helical Gear Reducer K37 Gear Grinding Motor Integrated Spray Plastic Helical Gear Spiral Bevel Gear Reducer Sew Gearbox   gearbox engine
editor by CX 2023-11-14

China Good quality S Series Helical Worm AC Gear Motor cycloidal gear drive

Product Description

 

Product Description

Product Features

High modular design, biomimetic surface with owned intellectual property right.
Adopt German worm hob to process the worm wheel.
With the special gear geometry, it gets high torque, efficiency and long life circle.
It can achieve the direct combination for 2 sets of gearbox.
Mounting mode: foot mounted, flange mounted, torque arm mounted.
Output shaft: CZPT shaft, hollow shaft.

Main applied for
Chemical industry and environmental protection
Metal processing
Building and construction
Agriculture and food
Textile and leather
Forest and paper
Car washing machinery

Detailed Photos

 

Product Parameters

Technical data:

Housing material

Cast iron/Ductile iron

Housing hardness

HBS190-240

Gear material

20CrMnTi alloy steel

Surface hardness of gears

HRC58°~62 °

Gear core hardness

HRC33~40

Input / Output shaft material

42CrMo alloy steel

Input / Output shaft hardness

HRC25~30

Machining precision of gears

accurate grinding, 6~5 Grade

Lubricating oil

GB L-CKC220-460, Shell Omala220-460

Heat treatment

tempering, cementiting, quenching, etc.

Efficiency

94%~96% (depends on the transmission stage)

Noise (MAX)

60~68dB

Temp. rise (MAX)

40°C

Temp. rise (Oil)(MAX)

50°C

Vibration

≤20µm

Backlash

≤20Arcmin

Brand of bearings

China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK.

Brand of oil seal

NAK — ZheJiang or other brands requested

 

Our Advantages

 

 

Certifications

Packaging & Shipping

Company Profile

Xihu (West Lake) Dis.ng Transmission Equipment Co., Ltd. located HangZhou city, ZHangZhoug, as 1 professional manufacturer and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox , AC motor and relative spare parts, owns rich experience in this line for many years.

We are 1 direct factory, with advanced production equipment, the strong development team and producing capacity to offer quality products for customers.

Our products widely served to various industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medicine,wooden etc. Main markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to ask us any questions, good offer always for you for long term business.

FAQ

Q: Are you trading company or manufacturer?
A: We are factory.
 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
 

Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q:How to choose a gearbox which meets your requirement?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Worm Gear
Step: Single-Step

helical gearbox

The Cyclonoidal Gearbox

Basically, the cycloidal gearbox is a gearbox that uses a cycloidal motion to perform its rotational movement. It is a very simple and efficient design that can be used in a variety of applications. A cycloidal gearbox is often used in applications that require the movement of heavy loads. It has several advantages over the planetary gearbox, including its ability to be able to handle higher loads and higher speeds.

Dynamic and inertial effects of a cycloidal gearbox

Several studies have been conducted on the dynamic and inertial effects of a cycloidal gearbox. Some of them focus on operating principles, while others focus on the mathematical model of the gearbox. This paper examines the mathematical model of a cycloidal gearbox, and compares its performance with the real-world measurements. It is important to have a proper mathematical model to design and control a cycloidal gearbox. A cycloidal gearbox is a two-stage gearbox with a cycloid disc and a ring gear that revolves around its own axis.
The mathematical model is made up of more than 1.6 million elements. Each gear pair is represented by a reduced model with 500 eigenmodes. The eigenfrequency for the spur gear is 70 kHz. The modally reduced model is a good fit for the cycloidal gearbox.
The mathematical model is validated using ABAQUS software. A cycloid disc was discretized to produce a very fine model. It requires 400 element points per tooth. It was also verified using static FEA. This model was then used to model the stiction of the gears in all quadrants. This is a new approach to modelling stiction in a cycloidal gearbox. It has been shown to produce results comparable to those of the EMBS model. The results are also matched by the elastic multibody simulation model. This is a good fit for the contact forces and magnitude of the cycloid gear disc. It was also found that the transmission accuracy between the cycloid gear disc and the ring gear is about 98.5%. However, this value is lower than the transmission accuracy of the ring gear pair. The transmission error of the corrected model is about 0.3%. The transmission accuracy is less because of the lower amount of elastic deformation on the tooth flanks.
It is important to note that the most accurate contact forces for each tooth of a cycloid gearbox are not smooth. The contact force on a single tooth starts with a linear rise and then ends with a sharp drop. It is not as smooth as the contact force on a point contact, which is why it has been compared to the contact force on an ellipse contact. However, the contact on an ellipse contact is still relatively small, and the EMBS model is not able to capture this.
The FE model for the cycloid disc is about 1.6 million elements. The most important part of the FE model is the discretization of the cycloid disc. It is very important to do the discretization of the cycloid gear disc very carefully because of the high degree of vibration that it experiences. The cycloid disc has to be discretized finely so that the results are comparable to those of a static FEA. It has to be the most accurate model possible in order to be able to accurately simulate the contact forces between the cycloid disc and the ring gear.helical gearbox

Kinematics of a cycloidal drive

Using an arbitrary coordinate system, we can observe the motion of components in a cycloidal gearbox. We observe that the cycloidal disc rotates around fixed pins in a circle, while the follower shaft rotates around the eccentric cam. In addition, we see that the input shaft is mounted eccentrically to the rolling-element bearing.
We also observe that the cycloidal disc rotates independently around the eccentric bearing, while the follower shaft rotates around an axis of symmetry. We can conclude that the cycloidal disc plays a pivotal role in the kinematics of a cycloidal gearbox.
To calculate the efficiency of the cycloidal reducer, we use a model that is based on the non-linear stiffness of the contacts. In this model, the non-linearity of the contact is governed by the non-linearity of the force and the deformation in the contact. We have shown that the efficiency of the cycloidal reducer increases as the load increases. In addition, the efficiency is dependent on the sliding velocity and the deformations of the normal load. These factors are considered as the key variables to determine the efficiency of the cycloidal drive.
We also consider the efficiency of the cycloidal reducer with the input torque and the input speed. We can calculate the efficiency by dividing the net torque in the ring gear by the output torque. The efficiency can be adjusted to suit different operating conditions. The efficiency of the cycloidal drive is increased as the load increases.
The cycloidal gearbox is a multi-stage gearbox with a small shaft oin and a big shaft. It has 19 teeth and brass washers. The outer discs move in opposition to the middle disc, and are offset by 180 deg. The middle disc is twice as massive as the outer disc. The cycloidal disc has nine lobes that move by one lobe per drive shaft revolution. The number of pins in the disc should be smaller than the number of pins in the surrounding pins.
The input shaft drives an eccentric bearing that is able to transmit the power to the output shaft. In addition, the input shaft applies forces to the cycloidal disk through the intermediate bearing. The cycloidal disk then advances in 360 deg/pivot/roller steps. The output shaft pins then move around in the holes to make the output shaft rotate continuously. The input shaft applies a sinusoidal motion to maintain the constant speed of the base shaft. This sine wave causes small adjustments to the follower shaft. The forces applied to the internal sleeves are a part of the equilibrium mechanism.
In addition, we can observe that the cycloidal drive is capable of transmitting a greater torque than the planetary gear. This is due to the cycloidal gear’s larger axial length and the ring gear’s smaller hole diameter. It is also possible to achieve a positive fit between the fixed ring and the disc, which is achieved by toothing between the fixed ring and the disc. The cycloidal disk is usually designed with a short cycloid to minimize unbalance forces at high speeds.helical gearbox

Comparison with planetary gearboxes

Compared to planetary gearboxes, the cycloidal gearbox has some advantages. These advantages include: low backlash, better overload capacity, a compact design, and the ability to perform in a wide range of applications. The cycloidal gearbox has become popular in the multi-axis robotics market. The gearbox is also increasingly used in first joints and positioners.
A cycloidal gearbox is a gearbox that consists of four basic components: a cycloid disk, an output flange, a ring gear, and a fixed ring. The cycloid disk is driven by an eccentric shaft, which advances in a 360deg/pivot/roller step. The output flange is a fixed pin disc that transmits the power to the output shaft. The ring gear is a fixed ring, and the input shaft is connected to a servomotor.
The cycloidal gearbox is designed to control inertia in highly dynamic situations. These gearboxes are generally used in robotics and positioners, where they are used to position heavy loads. They are also commonly used in a wide range of industrial applications. They have higher torque density and a low backlash, making them ideal for heavy loads.
The output flange is also designed to handle a torque of up to 500 Nm. Its rotational speed is lower than the planet gearbox, but its output torque is much higher. It is designed to be a high-performance gearbox, and it can be used in applications that need high ratios and a high level of torque density. The cycloid gearbox is also less expensive and has less backlash. However, the cycloidal gearbox has disadvantages that should be considered when designing a gearbox. The main problem is vibrations.
Compared to planetary gearboxes, cycloidal gearboxes have a smaller overall size and are less expensive. In addition, the cycloid gearbox has a large reduction ratio in one stage. In general, cycloidal gearboxes have single or two stages, with the third stage being less common. However, the cycloid gearbox is not the only type of gearbox that has this type of configuration. It is also common to find a planetary gearbox with a single stage.
There are several different types of cycloidal gearboxes, and they are often referred to as cycloidal speed reducers. These gearboxes are designed for any industry that uses servos. They are shorter than planetary gearboxes, and they are larger in diameter for the same torque. Some of them are also available with a ratio lower than 30:1.
The cycloid gearbox can be a good choice for applications where there are high rotational speeds and high torque requirements. These gearboxes are also more compact than planetary gearboxes, and are suitable for high-torque applications. In addition, they are more robust and can handle shock loads. They also have low backlash, and a higher level of accuracy and positioning accuracy. They are also used in a wide range of applications, including industrial robotics.
China Good quality S Series Helical Worm AC Gear Motor   cycloidal gear driveChina Good quality S Series Helical Worm AC Gear Motor   cycloidal gear drive
editor by CX 2023-11-13

China Professional Three Stage Helical a. C. Gear Motor From China Manufacturer planetary gears gear ratio

Product Description

Company  Profiles

     
-We are a leading gear motor manufacturer
ZHangZhoug Xihu (West Lake) Dis.hai Reducer is a leading manufacturer of gear motor and gearbox.
Since 1991, we have specialized in manufacturing a wide range of gear motor and gear box including:
 

 

  • helical gear motor
  • helical bevel gear motor
  • parallel shaft helical gear motor
  • helical worm gear motor
  • hoist drive
  • heavy-duty helical gearbox
  • heavy-duty helical bevel gearbox
  • gear motor for car parking system
  • sprial bevel gearbox

Product Description
 

D series gear motor is composed with two-stage or three-stage gears. Input shaft and output shaft is inline.

Mounting position: footed mounting, flange mounting, both flange and footed mounting etc.

Thechnical data:

Output speed 10 ~ 800 rpm

Rated output torque 10 ~ 20000 Nm

Motor power 0.12 ~ 200 KW

Product Show

Product Specification

Product features
1. D series helical gear motor own rational design, compact construction, smaller size than cycloidal gearmotor at the same permitted torque.
2. Little vibration and low noise, with high transmission efficiency.
3. The products have been mainly used in chemical machinery, cement agitator machinery, printing and packaging machinery, mine and power transmission machinery, metallurgy etc.
General Technical data
Housing material HT250 high-strength cast iron
Housing hardness HBS190-240
Pinion material 20CrMnTiH
Gear material 20CrMnTiH
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input/output shaft material 40CrMnTiH
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~7 Grade
Lubricating oil  L-CKC220  (GB 5903-95) 
Heat treatment tempering, cementiting, quenching, etc.
Efficiency 94%~96% (depends on the transmission stage) 
Noise (MAX) 60~68dB
Temp. rise  (MAX) 40°C 
Temp. rise (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China Top brand C&U,LYC,TMB or other brands requested, SKF…..
Brand of oil seal CTY— ZheJiang or other brands requested
D —- series helical gear motor
D-series single stages
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Weight
Solid (mm)  (mm) (mm) (kw) (Nm) (KGS)
D37 25k6 90h13 110/160 0.12~3 4~135 210 11
D47 30k6 115h13 110/160 0.12~5.5 4~172 335 16
D57 35k6 115h13 130/200 0.12~7.5 5~188 490 19
D67 35k6 130h13 180/250 0.12~7.5 5~193 570 28
D77 40k6 140h13 230/300 0.18~11 5~197 890 39
D87 50k6 180h13 250/350 0.55~22 5~246 1660 65
D97 60m6 225h13 350/450 0.55~30 5~290 3000 110
D107 70m6 250h13 350/450 1.5~45 2~249 4550 200
D137 90m6 315h13 450/550 3~55 5~220 9270 280
D147 110m6 355h13 450/550 4~90 5~167 14940 430
D167 120m6 425h13 550/660 7.5~160 10~230 20880 650
D series double stages 
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kw) (Nm) (RPM)
D27D17 25k6 90h13 95/140 0.12~0.18 90~229 140 6~15
D37D17 25k6 90h13 110/160 0.12~0.25 90~156 225 4.1~14
D47D37 30k6 115h13 110/160 0.12~0.25 154~572 340 2.4~8.5
D57D37 35k6 115h13 130/200 0.12~0.25 142~782 477 1.8~9.2
D67D37 35k6 130h13 180/250 0.12~0.37 158~956 590 1.4~8.2
D77D37 40k6 140h13 230/300 0.12~0.55 186~1430 880 0.97~7.3
D87D57 50k6 180h13 250/350 0.12~1.1 195~2873 1665 0.48~7.2
D97D57 60m6 225h13 350/450 0.12~2.2 209~4678 2930 0.29~6.8
D107D77 70m6 250h13 350/450 0.12~2.2 214~7583 4510 0.18-6.6
D137D77 90m6 315h13 450/550 0.12~4 35.1~12921 9090 0.11~6.3
D147D77 110m6 355h13 450/550 0.12~4 415~21342 14940 0.06~3.4
D147D87 110m6 355h13 450/550 1.5~11 159~533 14940 2.6~9.1
D167D97 120m6 425h13 550/660 1.5~11 279~2333 25710 0.6~5.2
D167D107 120m6 425h13 550/660 11 4.9~8.5 17640 4.9~8.5
Remark: the weight without oil and motor, shaft and flange input add 10%.

Package

Plastic bag + wooden carton

Certificate

FAQ

Q: Can you print other colors?
Yes. Customized color can be printed on the gear motor according to your requirements.
Q: Is that factory price?
Yes. We assure you all prices are based on factory.
Q:  What is the life span? what is the guarantee
The lifespan of gear motor can reach 5-20 years depending on different working conditions .The guarantee time is 1 year after delivery.
Q: What documents are available?
A full range documents including structural drawings, packing list, installation manual and relative certificates can be provided. Moreover, customs declaration is provided. We provide one-stop service for you. 
Q: Is it able to customized?
yes, we could re-design and produce the gear motor as your requirements if the quantity is large.

Application: Motor, Machinery, Agitator
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Helical
Step: Three-Step

helical gearbox

A Mathematical Model of a Cycloid Gearbox

Having a gearbox with a cycloidal rotor is an ideal design for a car or any other vehicle, as the cycloidal design can reduce the amplitude of vibration, which is a key component in car performance. Using a cycloidal gearbox is also a great way to reduce the amount of friction between the gears in the gearbox, which can help to reduce noise and wear and tear. A cycloidal gearbox is also a very efficient design for a vehicle that needs to perform under high loads, as the gearbox can be very robust against shock loads.

Basic design principles

cycloidal gearboxes are used for precision gearing applications. Cycloidal drives are compact and robust and offer lower backlash, torsional stiffness and a longer service life. They are also suitable for applications involving heavy loads.
Cycloidal drives are compact in size and provide very high reduction ratios. They are also very robust and can handle shock loads. Cycloidal drives are ideally suited to a wide range of drive technologies. Cycloidal gears have excellent torsional stiffness and can provide a transmission ratio of 300:1. They can also be used in applications where stacking multiple gear stages is not desired.
In order to achieve a high reduction ratio, cycloidal gears must be manufactured extremely accurately. Cycloidal gears have a curved tooth profile that removes shear forces at any point of contact. This provides a positive fit for the gear disc. This profile can be provided on a separate outer bushing or as an internal gear profile insert.
Cycloidal drives are used in marine propulsion systems, where the load plate rotates around the X and Y axis. The plate is anchored by a threaded screw hole arranged 15mm away from the center.
A secondary carrier body is used in a cycloidal gearbox to support the load plate. The secondary carrier body is composed of a mounting carrier body and a secondary carrier disc.

Low friction

Several studies have been conducted to understand the static problems of gears. In this paper, we discuss a mathematical model of a low friction cycloidal gearbox. This model is designed to calculate various parameters that affect the performance of the gearbox during production.
The model is based on a new approach that includes the stiction effect and the nonlinear friction characteristic. These parameters are not covered by the conventional rule of thumb.
The stiction effect is present when the speed direction is changed. During this time, the input torque is required to prevail over the stiction effect to generate movement. The model also enables us to calculate the magnitude of the stiction effect and its breakaway speed.
The most important thing is that the model can be used to improve the dynamic behavior of a controlled system. In this regard, the model has a high degree of accuracy. The model is tested in several quadrants of the gearbox to find the optimum stiction breakaway speed. The simulation results of the model show that this model is effective in predicting the efficiency of a low friction cycloidal gearbox.
In addition to the stiction model, we also studied the efficiency of a low friction cycloidal reducer. The reduction ratio of this gearbox was estimated from the formula. It is found that the ratio approaches negative infinity when the motor torque is close to zero Nm.

Compact

Unlike standard planetary gears, cycloidal gearboxes are compact, low friction and feature virtually zero backlash. They also offer high reduction ratios, high load capacity and high efficiency. These features make them a viable option for a variety of applications.
Cycloid disks are driven by an eccentric input shaft. They are then driven by a stationary ring gear. The ring gear rotates the cycloidal disk at a higher rate. The input shaft rotates nine times to complete a full rotation. The ring gear is designed to correct the dynamic imbalance.
CZPT cycloidal gearheads are designed for precision and stable operation. These reducers are robust and can handle large translocations. They also offer high overload protection. They are suitable for shock wave therapy. CZPT gearheads are also well suited for applications with critical positioning accuracy. They also require low assembly and design costs. They are designed for long service life and low hysteresis loss.
CZPT cycloidal reducers are used in a variety of industrial applications, including CNC machining centers, robot positioners and manipulators. They offer a unique design that can handle high forces on the output axis, and are especially suitable for large translocations. These gearheads are highly efficient, reducing costs, and are available in a variety of sizes. They are ideal for applications that require millimetre accuracy.

High reduction ratios

Compared to other gearboxes, cycloidal gearboxes offer high reduction ratios and small backlash. They are also less expensive. Cycloid gearboxes can be used in a variety of industries. They are suitable for robotic applications. They also have high efficiency and load capacity.
A cycloidal gearbox works by rotating a cycloidal disc. This disc contains holes that are bigger than the pins on the output shaft. When the disc is rotated, the output pins move in the holes to generate a steady output shaft rotation. This type of gearbox does not require stacking stages.
Cycloid gearboxes are usually shorter than planetary gearboxes. Moreover, they are more robust and can transmit higher torques.
Cycloid gearboxes have an eccentric cam that drives the cycloidal disc. The cycloidal disc advances in 360deg/pivot/roller steps. It also rotates in an eccentric pattern. It meshes with the ring-gear housing. It also engages the internal teeth of the ring-gear housing.
The number of lobes on the cycloidal disc is not sufficient to generate a good transmission ratio. In fact, the number of lobes must be less than the number of pins surrounding the cycloidal disc.
The cycloidal disc is rotated by an eccentric cam that extends from the base shaft. The cam also spins inside the cycloidal disc. The eccentric motion of the cam helps the cycloidal disc rotate around the pins of the ring-gear housing.helical gearbox

Reducing amplitude of the vibration

Various approaches to reducing amplitude of the vibration in a cycloidal gearbox have been studied. These approaches are based on the kinematic analysis of gearbox.
A cycloidal gearbox is a gearbox that consists of bearings, gears, and an eccentric bearing that drives a cycloidal disc. This gearbox has a high reduction ratio, which is achieved by a series of output shaft pins that drive the output shaft as the disc rotates.
The test bench used in the studies has four sensors. Each sensor acquires signals with different signal processing techniques. In addition, there is a tachometer that acquires variations in rotational velocity at the input side.
The kinematic study of the robotic gearbox was performed to understand the frequency of vibrations and to determine whether the gearbox is faulty. It was found that the gearbox is in healthy operation when the amplitude of the x and y is low. However, when the amplitude is high, it is indicative of a malfunctioning element.
The frequency analysis of vibration signals is performed for both cyclostationary and noncyclostationary conditions. The frequencies that are selected are those that appear in both types of conditions.

Robust against shock loads

Compared to traditional gearboxes, cycloidal gearboxes have significant benefits when it comes to shock loads. These include high shock-load capacity, high efficiency, reduced cost, lower weight, lower friction, and better positioning accuracy.
Cycloid gears can be used to replace traditional planetary gears in applications where inertia is important, such as the transportation of heavy loads. They have a lighter design and can be manufactured to a more compact size, which helps reduce cost and installation expense. Cycloid gears are also able to provide transmission ratios of up to 300:1 in a small package.
Cycloid gears are also suitable for applications where a long service life is essential. Their radial clamping ring reduces inertia by up to 39%. Cycloid gears have a torsional stiffness that is five times higher than that of conventional planetary gears.
Cycloid gearboxes can provide significant improvements in concrete mixers. They are a highly efficient design, which allows for important innovations. They are also ideal for servo applications, machine tools, and medical technology. They feature user-friendly screw connections, effective corrosion protection, and effective handling.
Cycloid gears are especially useful for applications with critical positioning accuracy. For example, in the control of large parabolic antennas, high shock load capacity is required to maintain accuracy. Cycloid gears can withstand shock loads up to 500% of their rated torque.helical gearbox

Inertial effects

Various studies have been conducted to investigate the static problems of gears. However, there is still a need for a proper model to investigate the dynamic behaviour of a controlled system. For this, a mathematical model of a cycloidal gearbox has been developed. The presented model is a simple model that can be used as the basis for a more complex mechanical model.
The mathematical model is based on the cycloidal gearbox’s mechanical construction and has a nonlinear friction characteristic. The model is able to reproduce the current peaks and breaks at standstill. It also considers the stiction effect. However, it does not cover backlash or torsional stiffness.
This model is used to calculate the torque generating current and the inertia of the motor. These values are then compared with the real system measurement. The results show that the simulation results are very close to the real system measurement.
Several parameters are considered in the model to improve its dynamic behaviour. These parameters are calculated from the harmonic drive system analysis. These are torque-generating current, inertia, and the contact forces of the rotating parts.
The model has a high level of accuracy and can be used for motor control. It is also able to reproduce the dynamic behaviour of a controlled system.
China Professional Three Stage Helical a. C. Gear Motor From China Manufacturer   planetary gears gear ratioChina Professional Three Stage Helical a. C. Gear Motor From China Manufacturer   planetary gears gear ratio
editor by CX 2023-11-13

China Standard Energy Saving Skm Series Helical Hypoid Gear Speed Reducer Transmission Gearbox cycloidal gearboxes

Product Description

1. Technical features

The high degree of modularity is a design feature of SKM, SKB series helical-hypoid gear units. It can be connected respectively with motors such as normal mtor, brake motor, explosion -proof motor, frequency conversion motor, servo motor, IEC motor and so on. This kind of product is widely used in drive fields such as textile, foodstuff, ceramice packing, logistics, plastics and so on.

1.1 Product characteristics

SKM SKB Seires helical gear units has more than 4 types. Power 0.12-4kw, Ratio 7.73-302.5, Torque max100-500 NM, Modulaw and multistructure can meet the demands of various conditions.

(1)Ground-hardened helical gears.
(2)Modularity, can be combined in many forms.
(3)Made of high-quality aluminum alloy, light in weight and nonrusting.
(4)Large in output torque, high efficiency, ene-rgy saving and environmental protection.
(5)The mounting dimension of SKM series are compatible with SMRV series worm gear unit(A part of SMRV050 dimensions are different from SKM28)
(6)The mounting dimension of SKB series are compatible with W series worm gear unit.

Function: Speed Reduction
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

helical gearbox

The Basics of a Cyclone Gearbox

Besides being compact, cycloidal speed reducers also offer low backlash and high ratios. Because of the small size of the drive, they are ideal for applications where space is a problem.

Involute gear tooth profile

Almost all gears use an involute gear tooth profile. This profile has a single curve, which means that the gear teeth do not have to be aligned closely with each other. This profile is smooth and can be manufactured easily.
Cycloid gears have a combination of epicycloid and hypocycloid curves. This makes them stronger than involute gear teeth. However, they can be more expensive to manufacture. They also have larger reduction ratios. They transmit more power than involute gears. Cycloid gears can be found in clocks.
When designing a gear, you need to consider several factors. Some of these include the number of teeth, the tooth angle and the lubrication type. Having a gear tooth that is not perfectly aligned can result in transmission error, noise and vibration.
The tooth profile of an involute gear is usually considered the best. Because of this, it is used in a wide variety of gears. Some of the most common applications for this profile are power transmission gears. However, this profile is not the best for every application.
Cycloid gears require more complex manufacturing processes than involute gear teeth. This can cause a larger tooth cost. Cycloid gears are used for less noisy applications.
Cycloid gears also transmit more power than involute gears. This can cause problems if the radii change tangentially. However, the shape is more simple than involute gears. Involute gears can handle centre sifts better.
Cycloid gears are less susceptible to transmission error. Cycloid gears have a convex surface, which makes them stronger than involute teeth. Cycloid gears also have a larger reduction ratio than involute gears. Cycloid teeth do not interfere with the mating teeth. However, they have a smaller number of teeth than involute teeth.

Rotation on the inside of the reference pitch circle of the pins

Whether a cycloidal gearbox is designed for stationary or rotating applications, the fundamental law of gearing must be observed: The ratio of angular velocities must be constant. This requires the rotation on the inside of the reference pitch circle of the pins to be constant. This is achieved through a series of cycloidal teeth, which act like tiny levers to transmit motion.
A cycloidal disc has N lobes which are rotated by three lobes per rotation around N pins. The number of lobes on a cycloidal disc is a significant factor in determining the transmission ratio.
A cycloidal disc is driven by an eccentric input shaft which is mounted to an eccentric bearing within an output shaft. As the input shaft rotates, the cycloidal disc moves around the pins of the pin disc.
The drive pin rotates at a 40 deg angle while the cycloidal disc rotates on the inside of the reference pitch circle of pins. As the drive pin rotates, it will slow the output motion. This means that the output shaft will complete only three revolutions with the input shaft, as opposed to nine revolutions with the input shaft.
The number of teeth on a cycloidal disc must be small compared to the number of surrounding pins. The disc must also be constructed with an eccentric radius. This will determine the size of the hole which will be required for the pin to fit between the pins.
When the input shaft is turned, the cycloidal disc will rotate on the inside of the reference pitch circle of roller pins. This will then transmit motion to the output shaft. The output shaft is supported by two bearings in an output housing. This design has low wear and torsional stiffness.helical gearbox

Transmission ratio

Choosing the right transmission ratio of cycloidal gearbox isn’t always easy. You might need to know the size of your gearbox before you can make an educated choice. You may also need to refer to the product catalog for guidance. For example, CZPT gearboxes have some unique ratios.
A cycloidal gear reducer is a compact and high-speed torque transmission device that reverses the direction of angular movement of the follower shaft. It consists of an eccentric cam positioned inside a cycloidal disc. Pin rollers on the follower shaft fit into matching holes in the cycloidal disc. In the process, the pins slide around the holes, in response to wobbling motion. The cycloidal disc is also capable of engaging the internal teeth of a ring-gear housing.
A cycloidal gear reducer can be used in a wide variety of applications, including industrial automation, robotics and power transmissions on boats and cranes. A cycloidal gear reducer is ideally suited for heavy duty applications with large payloads. They require specialized manufacturing processes, and are often used in equipment with precise output and high efficiency.
The cycloidal gear reducer is a relatively simple structure, but it does require some special tools. Cycloid gear reducers are also used to transmit torque, which is one of the reasons they are so popular in automation. Using a cycloidal gear reducer is a good choice for applications that require higher efficiency and lower backlash. It is also a good choice for applications where size is a concern. Cycloid gears are also a good choice for applications where high speed and high torque are required.
The transmission ratio of cycloidal gearbox is probably the most important function of a gearbox. You need to know the size of your gearbox and the type of gears it contains in order to make the right choice.

Vibration reduction

Considering the unique dynamics of a cycloidal gearbox, vibration reduction measures are required for a smooth operation. These measures can also help with the detection of faults.
A cycloidal gearbox is a gearbox with an eccentric bearing that rotates the center of the gears. It shares torque load with five outer rollers at any given time. It can be applied in many applications. It is a relatively inexpensive asset. However, if it fails, it can have significant economic impacts.
A typical input/output gearbox consists of a ring plate and two cranks mounted on the input shaft. The ring plate rotates when the input shaft rotates. There are two bearings on the output shaft.
The ring plate is a major noise source because it is not balanced. The cycloidal gear also produces noise when it meshes with the ring plate. This noise is generated by structural resonance. Several studies have been performed to solve this problem.
However, there is not much documented work on the condition monitoring of cycloidal gearboxes. In this article, we will introduce modern techniques for vibration diagnostics.
A cycloidal gearbox with a reduced reduction ratio has higher induced stresses in the cycloidal disc. In this case, the size of the output hole is larger and more material is removed from the cycloidal disc. This increase in the disc’s stresses leads to higher vibration amplitudes.
The load distribution along the width of the gear is an important design criterion. Using different gear profiles can help to optimize the transmission of torque. The contact stress of the cycloidal disc can also be investigated.
To determine the amplitude of the noise, the frequency of the gear mesh is multiplied by the shaft rate. If the RPM is relatively stable, the frequency can be used as a measure of magnitude. However, this is only accurate at close to failure.helical gearbox

Comparison with planetary gearboxes

Several differences exist between cycloidal gearboxes and planetary gearboxes. They are related to gear geometry and manufacturing processes. Among them, there are:
– The output shaft of a cycloidal gearbox has a larger torque than the input shaft. The rotational speed of the output shaft is lower than the input shaft.
– The cycloid gear disc rotates at variable velocity, while the planetary gear has a fixed speed. Consequently, the cycloid disc and output flange transmission accuracy is lower than that of the planetary gears.
– The cycloidal gearbox has a larger gripping area than the planetary gear. This is an advantage of the cycloidal gearbox in that it can handle larger loads.
– The cycloid profile has a significant impact on the quality of contact meshing between the tooth surfaces. The width of the contact ellipses increases by 90%. This is a result of the elimination of undercuts of the lobes. In this way, the contact force on the cycloid disc is decreased significantly.
– The cycloid drive has lower backlash and high torsional stiffness. This allows a cycloidal drive to be more stable against shock loads. The cycloid drive is also a compact design, which is ideally suited for applications with large transmission ratios.
– The output hub of the cycloid gearbox has movable pins and rollers. These components are attached to the ring gear in the outer gearbox. The output shaft is also turned by the planet carrier. The output hub of the cycloid system is composed of two parts: the ring gear and the output flange.
– The input shaft of a cycloidal gearbox is connected to a servomotor. The input shaft is a cylindrical element that is fixed to the planet carrier.
China Standard Energy Saving Skm Series Helical Hypoid Gear Speed Reducer Transmission Gearbox   cycloidal gearboxesChina Standard Energy Saving Skm Series Helical Hypoid Gear Speed Reducer Transmission Gearbox   cycloidal gearboxes
editor by CX 2023-11-12

China high quality K Series Right Angle Industrial Bevel Helical Gear Reducer Gearbox best automatic gearbox

Product Description

K series Right Angle Industrial Bevel Helical Gear Reducer Gearbox

Product Description


Description: K Series Helical Bevel Gearbox

Overview
(1) Input mode: coupled motor, belted motor, input shaft or connection flange.
(2) Right angle output.
(3) Compact structure.
(4) Rigid tooth face.
(5) Carrying greater torque, high loading capacity.
(6) High precision gear, ensuring the unit to operate stably, smooth transmission.
(7) Low noise, long lifespan.
(8) Large overlap coefficient, abrasion resistant.

Detailed Photos

K series gear units are available in the following designs:
KAZ..Y..Short-flange-mounted helical-bevel gear units with hollow shaft
K…Y…Foot-mounted helical-bevel gear units with CHINAMFG shaft
KAT…Y…Torque-arm-mounted helical-bevel gear units with hollow shaft
KAB…Y…Foot-mounted helical-bevel gear units with hollow shaft
K(KF,KA,KAF,KAB,KAZ)S…Shaft input helical-bevel gear units
KA…Y…Helical-bevel gear units with hollow shaft
KA(K, KF ,KAF, KAB ,KAZ)R..Y..Combinatorial helical-bevel gear units
KF…Y…Flange-mounted helical-bevel gear units with CHINAMFG shaft
KA(K, KF ,KAF ,KAZ)S…R…Shaft input combinatorial helical-bevel gear units
KAF…Y…Flange-mounted helical-bevel gear units with hollow shaft
KA(K, KF ,KAF, KAB ,KAZ)…Y…When equipping the user’s motor or the special 1 ,the flange is required to be connected

The weights are mean values, only for reference.
Maximum torque means the biggest 1 of the maximum torque related to the different ratio for the specified size.

Rated Power:0.18KW~200KW
Rated Torque:Up to 50000N.m
Gear Arrangement:Bevel Helical Hardened Gearbox
Input Speed:50HZ or 60HZ of 4Pole,6Pole and 8pole motor
Ratio:5.36~192.18

Product Parameters

Structure:

K(-)
 
K(A) K(F) Input power range Output speed Output torque
Foot-mounted Hollow shaft 
output
Flange-mounted 0.18-200kw 0.1-270r/min Up to 50000Nm

Input power rating and maximum torque:

Size
 
38 48 58 68 78 88 98 108 128 158 168 188
Structure
 
K      KA           KF          KAF        KAZ          KAT           KAB                        
Input power rating(kw)
 
0.18~
3.0
0.18~
3.0
0.18~
5.5
0.18~
5.5
0.37~
11
0.75~
22
1.3~
30
3~
45
7.5~
90
11~
160
11~
200
18.5~
200
Ratio 5.36~
106.38
5.81~
131.87
6.57~
145.15
7.14~
44.79
7.22~
192.18
7.19~
197.27
8.95~
175.47
8.74~
141.93
8.68~
146.07
12.66~
150.03
17.35~1
64.44
17.97~
178.37
Maximum
Torque(N.m)
 
200 400 600 820 1550 2770 4300 8000 13000 18000 32000 50000

Gear unit weight:

Size
 
38 48 58 68 78 88 98 108 128 158 168 188
Weight
 
11 20 27 33 57 85 130 250 380 610 1015 1700

 

Packaging & Shipping

Company Profile

After Sales Service

Pre-sale services 1. Select equipment model.
2.Design and manufacture products according to clients’ special requirement.
3.Train technical personal for clients
Services during selling 1.Pre-check and accept products ahead of delivery.
2. Help clients to draft solving plans.
After-sale services 1.Assist clients to prepare for the first construction scheme.
2. Train the first-line operators.
3.Take initiative to eliminate the trouble rapidly.
4. Provide technical exchanging.

FAQ

1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, environmental protection, logistics and etc.
4.Do you offer any visiting?
Yes! We sincerely invite you to visit us! We can pick you from airport, railway station and so on. Also, we can arrange housing for you. Please let us know in advanced.
5.Is your quality good?
Quality never tell lies, we’re theprofessional manufacturer and exporter of gear reducer and motor in Asia, who has been given license since 1982. Also, we had achieved ISO9001 and CE Certificate among all manufacturers.

 

Contact:

If you are interested in our product, welcome you contact me.
Our team will support any need you might have.

Application: Motor, Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Four-Step
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bevel gearbox

Distinguishing Bevel Gearboxes from Other Gear Systems

Bevel gearboxes stand out from other types of gear systems due to their unique characteristics and applications:

  • Angle of Intersection: Bevel gearboxes are designed to transmit motion between intersecting shafts at specific angles, making them ideal for changing the direction of rotational motion.
  • Direction Change: Unlike parallel shaft gear systems, bevel gearboxes change the direction of motion by 90 degrees or other specified angles, allowing them to efficiently transmit power around corners.
  • Compact and Space-Saving: Bevel gearboxes are often compact and space-saving, making them suitable for applications with limited room for gear assembly.
  • Wide Range of Angles: Bevel gearboxes can handle various angle configurations beyond 90 degrees, providing flexibility in designing complex mechanical systems.
  • Specialized Applications: Bevel gearboxes are commonly used in applications requiring changes in direction, such as automotive differential systems, steering mechanisms, printing presses, and machinery with intersecting axes.

These distinguishing features make bevel gearboxes a versatile choice for scenarios where changing the direction of rotational motion or transmitting power between intersecting shafts is essential.

bevel gearbox

Bevel Gearboxes in Marine and Aerospace Applications

Yes, bevel gearboxes are commonly found in both marine and aerospace applications, offering unique advantages in these industries:

  • Marine Applications: Bevel gearboxes are used in marine propulsion systems to transmit power from engines to propellers. Their ability to change rotational direction and transmit high torque makes them suitable for adjusting propeller pitch and optimizing thrust. Additionally, bevel gearboxes are employed in winch systems, steering mechanisms, and various onboard equipment.
  • Aerospace Applications: Bevel gearboxes play a crucial role in aerospace systems, such as helicopter rotor systems. They transmit power from the engine to the rotor blades while allowing changes in rotational direction. In aircraft, bevel gearboxes are used in landing gear mechanisms, flap control systems, and engine accessory drives. The compact design of bevel gearboxes is especially beneficial in aerospace applications where space and weight considerations are essential.

The versatility, efficiency, and reliability of bevel gearboxes make them well-suited for addressing the unique challenges and requirements of marine and aerospace environments.

bevel gearbox

Bevel Gearbox: Function and Mechanics

A bevel gearbox is a type of mechanical device designed to transmit rotational motion and power between two intersecting shafts with non-parallel axes. It employs a set of bevel gears to change the direction of motion by 90 degrees. Bevel gearboxes are commonly used in various mechanical systems and applications where a change in rotational direction is required.

The function of a bevel gearbox can be summarized as follows:

  • Directional Change: A bevel gearbox is primarily utilized to redirect rotational motion from one input shaft to an output shaft that is oriented at a perpendicular angle. This enables the transmission of power and motion around corners or between different planes.
  • Torque Transfer: Bevel gearboxes are capable of transmitting torque between intersecting shafts, allowing for the efficient transfer of rotational force from the input shaft to the output shaft.
  • Speed Reduction or Increase: Depending on the arrangement of bevel gears, a bevel gearbox can also modify the rotational speed of the output shaft relative to the input shaft. This makes it possible to achieve speed reduction or speed increase as needed in the mechanical system.

The mechanics of a bevel gearbox involve the use of bevel gears, which have conically shaped teeth that allow them to mesh with each other at an angle. The most common types of bevel gears used in bevel gearboxes are straight bevel gears and spiral bevel gears.

When the input shaft rotates, its connected bevel gear engages with the first bevel gear in the gearbox. As a result, the rotational motion is transferred to the second bevel gear, which is mounted on the output shaft. The interaction of these gears changes the direction of rotation and transfers torque to the output shaft.

Bevel gearboxes are found in various applications, including automotive differentials, power tools, printing presses, machine tools, and other mechanical systems where torque transmission and directional changes are essential.

China high quality K Series Right Angle Industrial Bevel Helical Gear Reducer Gearbox   best automatic gearbox	China high quality K Series Right Angle Industrial Bevel Helical Gear Reducer Gearbox   best automatic gearbox
editor by CX 2023-10-27

China Standard 90 Degree Aluminum Right Angle Transmission Helical Bevel Gear Reducer Hypoid Gear Box cycloidal gearbox

Product Description

Product Description

KPM-KPB series helical-hypoid gearboxes are the new-generation product with a compromise of advanced technology both at home and abroad.This product is widely used in textile, foodstuff, beverage,tobacco, logistics industrial fields,etc.
Main Features:
(1) Driven by hypoid gears, which has big ratios.
(2) Large output torque, high efficiency(up to 92%), energy saving and environmental protection.
(3) High quality aluminum alloy housing, light in weight and non-rusting.
(4) Smooth in running and low in noise, and can work long time in dreadful conditions.
(5) Good-looking appearance, durable service life and small volume.
(6) Suitable for all round installation, wide application and easy use.
(7) KPM series can replace NMRV worm gearbox; KPB series can replace CHINAMFG W series worm gearbox;
(8) Modular and multi-structure can meet the demands of various conditions.
 Main Material:
(1) Housing: aluminum alloy 
(2) Gear wheel: 20CrMnTiH1,carbonize & quencher heat treatment make the hardness of gears surface up to 56-62 HRC, retain carburization layers thickness between 0.3 and 0.5mm after precise grinding.

Detailed Photos

Product Parameters

Model Information:

GEARBOX SELECTING TABLES    
KPM50..           n1=1400r/min       160Nm    
                         
Model i i n2 M2max Fr2 63B5 71B5/B14 80B5/B14 90B5/B14    
nominal actual [r/min] [Nm] [N]    
3 Stage    
KPM50C   300 294.05 4.8 130  4100   N/A N/A N/A    
KPM50C   250 244.29 5.8 130  4100   N/A N/A N/A    
KPM50C   200 200.44 7.0  130  4100   N/A N/A N/A    
KPM50C   150 146.67 9.6 160  4000   N/A N/A N/A    
KPM50C   125 120.34 12 160  3770     N/A N/A    
KPM50C   100 101.04 14 160  3560     N/A N/A    
KPM50C   75 74.62 19 160  3220     N/A N/A    
KPM50C   60 62.36 23 160  3030     N/A N/A    
KPM50C   50 52.36 27 160  2860     N/A N/A    
2 Stage    
KPM50B   60 58.36 24 130  2960     N/A N/A    
KPM50B   50 48.86 29 130  2790       N/A    
KPM50B   40 40.09 35 130  2610       N/A    
KPM50B   30 29.33 48 160  2350       N/A    
KPM50B   25 24.07 59 160  2200            
KPM50B   20 20.21 70 160  2080            
KPM50B   15 14.92 94 160  1880            
KPM50B   12.5 12.47 113 160  1770            
KPM50B   10 10.47 134 160  1670            
KPM50B   7.5 7.73 182 160  1510            
                         
                         
KPM63..,KPB63..           n1=1400r/min       180Nm    
                         
Model i i n2 M2max Fr2 63B5 71B5/B14 80B5/B14 90B5/B14    
nominal actual [r/min] [Nm] [N]    
3 Stage    
KPM63C KPB63C 300 302.50  4.7 160  4800   N/A N/A N/A    
KPM63C KPB63C 250 243.57  5.8 160  4800   N/A N/A N/A    
KPM63C KPB63C 200 196.43  7.2  160  4800     N/A N/A    
KPM63C KPB63C 150 151.56  9.3 180  4650     N/A N/A    
KPM63C KPB63C 125 122.22  12 180  4330     N/A N/A    
KPM63C KPB63C 100 94.50  14 180  4070     N/A N/A    
KPM63C KPB63C 75 73.33  20 180  3650       N/A    
KPM63C KPB63C 60 63.33  23 180  3480       N/A    
KPM63C KPB63C 50 52.48  27 180  3270       N/A    
2 Stage    
KPM63B KPB63B 60 60.50  24 160  3430       N/A    
KPM63B KPB63B 50 48.71  29 160  3190            
KPM63B KPB63B 40 39.29  36 160  2970            
KPM63B KPB63B 30 30.31  47 180  2720            
KPM63B KPB63B 25 24.44  58 180  2530 N/A          
KPM63B KPB63B 20 18.90  70 180  2380 N/A          
KPM63B KPB63B 15 14.67  96 180  2130 N/A N/A        
KPM63B KPB63B 12.5 12.67  111 180  2030 N/A N/A        
KPM63B KPB63B 10 10.50  134 180  1910 N/A N/A        
KPM63B KPB63B 7.5 7.60  185 180  1710 N/A N/A        
                         
                         
KPM75..,KPB75..           n1=1400r/min           350Nm
                         
Model i i n2 M2max Fr2 63B5 71B5 80B5/B14 90B5/B14 100B5/B14 112B5/B14
nominal actual [r/min] [Nm] [N]
3 Stage
KPM75C KPB75C 300 297.21  4.8 300  6500     N/A N/A N/A N/A
KPM75C KPB75C 250 240.89  5.9 300  6500     N/A N/A N/A N/A
KPM75C KPB75C 200 200.66  7.0  300  6500     N/A N/A N/A N/A
KPM75C KPB75C 150 149.30  9.3 350  6500       N/A N/A N/A
KPM75C KPB75C 125 121.00  12 350  5980       N/A N/A N/A
KPM75C KPB75C 100 100.80  15 350  5520       N/A N/A N/A
KPM75C KPB75C 75 79.40  19 350  5040         N/A N/A
KPM75C KPB75C 60 62.43  23 350  4730 N/A       N/A N/A
KPM75C KPB75C 50 49.18  29 350  4370 N/A       N/A N/A
2 Stage
KPM75B KPB75B 60 59.44  24 300  4660 N/A       N/A N/A
KPM75B KPB75B 50 48.18  30 300  4340 N/A       N/A N/A
KPM75B KPB75B 40 40.13  35 300  4080 N/A         N/A
KPM75B KPB75B 30 29.86  47 350  3720 N/A N/A       N/A
KPM75B KPB75B 25 24.20  56 350  3500 N/A N/A        
KPM75B KPB75B 20 20.16  71 350  3230 N/A N/A        
KPM75B KPB75B 15 15.88  93 350  2950 N/A N/A        
KPM75B KPB75B 12.5 12.49  113 350  2770 N/A N/A N/A      
KPM75B KPB75B 10 9.84  143 350  2550 N/A N/A N/A      
KPM75B KPB75B 7.5 7.48  188 350  2330 N/A N/A N/A      
                         
                         
KPM90..,KPB86..           n1=1400r/min           500Nm
                         
Model i i n2 M2max Fr2 63B5 71B5 80B5/B14 90B5/B14 100B5/B14 112B5/B14
nominal actual [r/min] [Nm] [N]
3 Stage
KPM90C KPB86C 300 297.21  4.8 450  6500     N/A N/A N/A N/A
KPM90C KPB86C 250 240.89  5.9 450  6500       N/A N/A N/A
KPM90C KPB86C 200 200.66  7.0  450  6500       N/A N/A N/A
KPM90C KPB86C 150 151.20  9.3 500  6500       N/A N/A N/A
KPM90C KPB86C 125 125.95  12 500  5980       N/A N/A N/A
KPM90C KPB86C 100 99.22  15 500  5520 N/A       N/A N/A
KPM90C KPB86C 75 75.45  19 500  5040 N/A       N/A N/A
KPM90C KPB86C 60 62.43  23 500  4730 N/A       N/A N/A
KPM90C KPB86C 50 49.18  29 500  4370 N/A       N/A N/A
2 Stage
KPM90B KPB86B 60 59.44  24 450  5890 N/A         N/A
KPM90B KPB86B 50 48.18  30 450  5500 N/A         N/A
KPM90B KPB86B 40 40.13  35 450  5170 N/A N/A        
KPM90B KPB86B 30 30.24  47 500  4710 N/A N/A        
KPM90B KPB86B 25 25.19  56 500  4430 N/A N/A        
KPM90B KPB86B 20 19.84  71 500  4090 N/A N/A N/A      
KPM90B KPB86B 15 15.09  93 500  3730 N/A N/A N/A      
KPM90B KPB86B 12.5 12.49  113 500  3510 N/A N/A N/A      
KPM90B KPB86B 10 9.84  143 500  3240 N/A N/A N/A      
KPM90B KPB86B 7.5 7.48  188 500  2950 N/A N/A N/A      

Outline Dimension:

Company Profile

About our company:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.Our leading products is  full range of RV571-150 worm reducers , also supplied hypoid helical gearbox, PC units, UDL Variators and AC Motors.Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

 

 

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: 2-3 Stage
Samples:
US$ 45/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bevel gearbox

Advantages of Bevel Gearboxes in Specific Scenarios

Bevel gearboxes offer distinct advantages in certain scenarios, making them preferred over other gearbox types:

  • Angular Transmission: When rotational motion needs to be transmitted between intersecting shafts at different angles, bevel gearboxes excel due to their ability to change direction.
  • Compact Spaces: Bevel gearboxes are well-suited for applications with limited space, as they can fit into tight configurations without sacrificing performance.
  • High Torque at 90 Degrees: In situations requiring high torque transmission at a 90-degree angle, bevel gearboxes are more efficient than other types.
  • Steering Mechanisms: Bevel gearboxes are commonly used in steering systems of vehicles and machinery, providing smooth and accurate directional control.
  • Complex Motion Requirements: When machinery or equipment requires intricate motion patterns involving changes in direction and speed, bevel gearboxes offer the necessary versatility.
  • Heavy-Duty Applications: Bevel gearboxes excel in heavy-duty environments where robustness, torque transmission, and durability are crucial.

The specific design and capabilities of bevel gearboxes make them a preferred choice in these scenarios, contributing to optimal performance and efficiency in various industrial applications.

bevel gearbox

Lubrication Requirements for Maintaining Bevel Gearbox Efficiency

Proper lubrication is crucial for maintaining the efficiency and longevity of bevel gearboxes. Here are the essential lubrication requirements:

  • Selection of Lubricant: Choose a high-quality lubricant specifically designed for bevel gear applications. The lubricant should have the appropriate viscosity and additives to withstand the operating conditions and loads.
  • Correct Lubricant Quantity: Follow the manufacturer’s recommendations for the correct lubricant quantity. Insufficient lubrication can lead to increased friction and wear, while over-lubrication can cause overheating and inefficient operation.
  • Lubrication Intervals: Establish a regular lubrication schedule based on the gearbox’s operating conditions. Factors such as load, speed, temperature, and environment can influence the frequency of lubrication.
  • Proper Lubrication Points: Identify all the necessary lubrication points on the bevel gearbox, including bearings, gears, and other moving parts. Ensure that lubricant is applied precisely to these points for optimal coverage.
  • Cleanliness: Keep the gearbox and its surrounding area clean to prevent contamination of the lubricant. Dirt, debris, and moisture can compromise the lubrication effectiveness and accelerate wear.
  • Temperature Considerations: Choose a lubricant with temperature stability suitable for the operating conditions. Extreme temperatures can affect lubricant viscosity and performance.
  • Monitoring: Regularly monitor the condition of the lubricant, including its color, consistency, and contamination level. Perform oil analysis if necessary to assess the lubricant’s health.
  • Lubricant Compatibility: Ensure that the chosen lubricant is compatible with the gearbox materials to prevent corrosion or damage.
  • Re-lubrication: During routine maintenance, clean and reapply lubricant as needed. Replace the lubricant when it reaches the end of its service life.

Adhering to proper lubrication requirements enhances the efficiency, performance, and reliability of bevel gearboxes, reducing friction, wear, and the risk of premature failure.

bevel gearbox

Types of Bevel Gearboxes and Their Classification

Bevel gearboxes come in various types, each designed for specific applications and requirements. They are classified based on factors such as gear arrangement, shaft orientation, and usage. Some common types of bevel gearboxes include:

  • Straight Bevel Gearboxes: These gearboxes use straight bevel gears and are suitable for transmitting motion between intersecting shafts at a 90-degree angle.
  • Spiral Bevel Gearboxes: These gearboxes use spiral bevel gears and are employed when the intersecting shafts are at angles other than 90 degrees. They offer smoother operation and higher load capacity.
  • Skew Bevel Gearboxes: In skew bevel gearboxes, the axes of the input and output shafts are not parallel or intersecting. These gearboxes are used in applications where non-parallel and non-intersecting shafts need to be connected.
  • Angular Bevel Gearboxes: Angular bevel gearboxes are designed to connect shafts at a specific angle, often used in applications where the required shaft angle is different from standard bevel gear configurations.

The classification of bevel gearboxes is based on the arrangement and orientation of the gear teeth and shafts. Manufacturers offer a variety of designs to accommodate different industrial needs and ensure efficient motion transmission at various angles.

China Standard 90 Degree Aluminum Right Angle Transmission Helical Bevel Gear Reducer Hypoid Gear Box   cycloidal gearbox	China Standard 90 Degree Aluminum Right Angle Transmission Helical Bevel Gear Reducer Hypoid Gear Box   cycloidal gearbox
editor by CX 2023-10-27

China supplier R137 Helical Gear Helical Reduction Speed Reducer Gearbox gearbox assembly

Product Description

R137 Helical Gear Helical Reduction Speed Reducer Gearbox Unit. Helical gearbox series not only has higher transmission efficiency and loading capability than those of single-stage worm wheel transmission, but also reduces space. Moreover, under the close volume, the series can obtain higher transmission ratio and is more favorable for equipment setting. This product can be combined with various reducers to meet different requirements. S series with self-lock function
Energy Efficiency: Leveraging the advantages of high efficiency of helical gears and smooth transmission of worm gears, the reducer performs with outstanding stability and efficiency is above 90%
Loading Capacity: Available with power ranges from 0.12KW to 37KW, depending on different requirements and applications.
Installation Flexibility: All models are designed for a choice of mounting position M1-M6 specified by customers.
 

 

RICHMAN UNIVERSAL SOURCING CO LIMITED is located in HangZhou ZheJiang . With more than 20 years experience in gear transmission area, we have our owned factory and product lines. Worm reducer (WP series; RV series; VF series), screw jack reducer (WSH series) and helical gearbox (K,S,R,F series) are current mainly products. Strict and precision quality control procedure makes the final products meet demands of our customers.

We try to develop different markets, cooperate with kinds of customers, which can makes us keep moving forward, keep innovative and international vision. Richman Universal Sourcing is your best partner of transmission resolutions.

 

Application: Motor, Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Three-Step
Customization:
Available

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Customized Request

helical gearbox

Comparison of Helical Gearboxes and Bevel Gearboxes

Helical gearboxes and bevel gearboxes are both widely used for power transmission in various industrial applications. Here’s a comparison of their performance:

  • Gear Meshing: Helical gearboxes use helical gears with inclined teeth that gradually engage, resulting in smoother and quieter operation compared to the more abrupt engagement of straight-cut bevel gears.
  • Efficiency: Helical gearboxes generally offer higher efficiency due to their helical gear design, which distributes loads evenly across the teeth. Bevel gearboxes can have slightly lower efficiency due to the sliding action of gear teeth during engagement.
  • Load Capacity: Helical gearboxes can handle higher loads and torque due to the larger contact area of the gear teeth. Bevel gearboxes are suitable for moderate loads and applications where the direction of power transmission needs to be changed.
  • Space Efficiency: Bevel gearboxes are often more compact and suitable for applications where space is limited and a change in direction is required. Helical gearboxes may require more space due to the parallel shaft arrangement.
  • Noise and Vibration: Helical gearboxes generate less noise and vibration compared to straight-cut bevel gearboxes. Bevel gearboxes can be noisier, especially at higher speeds.
  • Application: Helical gearboxes are commonly used in applications requiring smooth and efficient power transmission, such as conveyors, pumps, and mixers. Bevel gearboxes are preferred for applications where changes in direction are necessary, such as in automotive differentials and printing presses.

Ultimately, the choice between helical and bevel gearboxes depends on the specific requirements of the application, including load capacity, space constraints, efficiency goals, and the need for directional changes in power transmission.

helical gearbox

Safety Precautions for Operating Machinery with Helical Gear Systems

When operating machinery equipped with helical gear systems, it’s crucial to prioritize safety to prevent accidents and ensure the well-being of operators and equipment. Here are the key safety precautions to consider:

  • Training and Familiarity: Operators should receive proper training on the equipment’s operation, including the helical gear system. They should be familiar with the controls, emergency procedures, and potential hazards.
  • Protective Gear: Operators should wear appropriate personal protective equipment (PPE), such as gloves, safety glasses, helmets, and ear protection, depending on the application’s requirements.
  • Lockout/Tagout: Before performing maintenance or repairs, follow lockout/tagout procedures to isolate the machinery from its power source and prevent accidental startup.
  • Regular Inspections: Conduct routine inspections of the helical gear system and other machinery components to identify signs of wear, damage, or malfunction. Address any issues promptly to avoid unsafe conditions.
  • Proper Lubrication: Ensure the helical gear system is adequately lubricated according to manufacturer recommendations. Proper lubrication reduces friction, wear, and heat buildup, enhancing both performance and safety.
  • Emergency Stop: Machinery should be equipped with clearly marked emergency stop buttons or switches that operators can use to halt operations immediately in case of an emergency.
  • Cleaning and Housekeeping: Maintain a clean work environment by removing debris, oil spills, and other potential hazards. Good housekeeping minimizes slip and trip hazards and promotes safe operation.
  • Load Capacity: Adhere to the recommended load capacities specified by the manufacturer for both the helical gear system and the machinery as a whole. Overloading can lead to accelerated wear and potential failures.
  • Avoid Loose Clothing: Operators should avoid wearing loose clothing, jewelry, or other items that could become entangled in the machinery, leading to accidents.
  • Safe Working Distances: Establish safe working distances from moving parts of the machinery, including the helical gear system, to prevent accidental contact and ensure operator safety.
  • Regular Maintenance: Follow the manufacturer’s maintenance schedule and guidelines for the helical gear system. Regular maintenance reduces the risk of unexpected failures and promotes safe and reliable operation.

Prioritizing safety when operating machinery with helical gear systems is essential to prevent accidents, protect operators, and maintain efficient operations. Following these precautions and promoting a safety-conscious culture can significantly contribute to a safe working environment.

helical gearbox

Handling High Torque and Heavy Loads in Helical Gearboxes

Helical gearboxes are well-suited for handling high torque and heavy loads due to their unique design and meshing characteristics:

  • Helical Teeth: The helical shape of the gear teeth allows for gradual and continuous contact between the teeth during meshing. This results in smoother load distribution and reduced impact forces, making helical gears capable of handling heavy loads.
  • Multiple Tooth Contact: Helical gears have multiple teeth in contact at any given time, spreading the load over a larger area of gear teeth. This helps to distribute the load evenly and prevent localized wear and stress concentrations.
  • Increased Tooth Strength: The inclined orientation of helical gear teeth increases the tooth width, leading to greater tooth strength and improved load-carrying capacity.
  • Bearings and Shaft Design: The gearbox housing is designed to support heavy loads and provide proper alignment for the shafts and bearings. High-quality bearings and shafts help distribute the load and reduce wear.
  • Lubrication: Adequate lubrication is crucial to minimize friction and heat generation between gear teeth. Proper lubrication also helps to dissipate heat generated by the heavy loads.
  • Material Selection: High-strength materials with good wear resistance properties are chosen for helical gears to ensure they can withstand the demands of heavy loads.

Overall, the gradual engagement of helical gear teeth and their ability to handle multiple tooth contact positions them as a reliable choice for applications that require high torque and can handle heavy loads. Engineers carefully design helical gearboxes to ensure they can withstand the stresses imposed by the application’s specific requirements.

China supplier R137 Helical Gear Helical Reduction Speed Reducer Gearbox   gearbox assembly	China supplier R137 Helical Gear Helical Reduction Speed Reducer Gearbox   gearbox assembly
editor by CX 2023-10-27

China Hot selling Helical Gearbox Inline Helical Gear Box Bevel Two Stage Worm Reduction Unit Crane Duty Shaft Mounted Parallel Manufacturers Industrial Coaxial Helical Gearbox bevel gearbox

Product Description

Helical Gearbox inline helical gear box bevel worm reduction Shaft Mounted parallel manufacturers industrial coaxial 2 stage unit crane duty Helical Gearbox

helical concentric gearbox speed reducer decelerator has the features of high versatility,good combination and heavy loading capability, along with other merits such as easy to attain various transmission ratios, high efficiency, low vibrationand high permissible axis radial load. This series can not only be combined with various kinds of reducers and variators and meet the requirements, but also beadvantage of localization of related transmission equipment.
1) Output speed: 0.6~1,571rpm
2) Output torque: up to 18,000N.m
3) Motor power: 0.18~160kW
4) Mounted form: foot-mounted and flange-mounted mounting

Product Name SLR Series  Rigid Tooth  helical reducer 
Gear Material 20CrMnTi 
Case Material HT250
Shaft Material  20CrMnTi
Gear Processing Grinding finish by HOFLER Grinding Machines
Color  Customized
Noise Test Bellow 65dB

Application: Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step:
Type:
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

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Request Sample

bevel gearbox

Distinguishing Bevel Gearboxes from Other Gear Systems

Bevel gearboxes stand out from other types of gear systems due to their unique characteristics and applications:

  • Angle of Intersection: Bevel gearboxes are designed to transmit motion between intersecting shafts at specific angles, making them ideal for changing the direction of rotational motion.
  • Direction Change: Unlike parallel shaft gear systems, bevel gearboxes change the direction of motion by 90 degrees or other specified angles, allowing them to efficiently transmit power around corners.
  • Compact and Space-Saving: Bevel gearboxes are often compact and space-saving, making them suitable for applications with limited room for gear assembly.
  • Wide Range of Angles: Bevel gearboxes can handle various angle configurations beyond 90 degrees, providing flexibility in designing complex mechanical systems.
  • Specialized Applications: Bevel gearboxes are commonly used in applications requiring changes in direction, such as automotive differential systems, steering mechanisms, printing presses, and machinery with intersecting axes.

These distinguishing features make bevel gearboxes a versatile choice for scenarios where changing the direction of rotational motion or transmitting power between intersecting shafts is essential.

bevel gearbox

Limitations of Torque and Speed Handling in Bevel Gearboxes

While bevel gearboxes offer numerous advantages, they do have limitations in terms of the maximum torque and speed they can handle:

  • Torque Limitations: The torque capacity of a bevel gearbox is influenced by factors such as the size of the gears, the material used, and the tooth geometry. Excessive torque can lead to gear tooth failure, wear, or even breakage.
  • Speed Limitations: High-speed applications can pose challenges for bevel gearboxes. As rotational speed increases, the centrifugal forces acting on the gears also increase, leading to potential issues with stability, vibration, and heat generation.
  • Heat Dissipation: Bevel gearboxes may generate heat due to friction and the load-carrying nature of the gears. Prolonged operation at high speeds or under heavy loads can result in increased heat, which may require additional cooling mechanisms.
  • Material and Design: The material used for the gears and gearbox housing, as well as the design and manufacturing quality, play a significant role in determining the torque and speed limits of the gearbox. Inadequate material selection or poor design can result in premature failure.
  • Application-Specific Considerations: The limitations of bevel gearboxes may vary based on the specific application requirements, environmental conditions, and operational factors. It’s important to carefully assess the suitability of a bevel gearbox for a given task.

Engineers and designers need to carefully analyze the torque and speed requirements of an application to ensure that the selected bevel gearbox can operate safely and effectively within its specified limits.

bevel gearbox

Significance of the Angle Between Bevel Gears in a Bevel Gearbox

The angle between bevel gears in a bevel gearbox plays a crucial role in determining how the rotational motion is transmitted between the intersecting shafts. This angle, often referred to as the “shaft angle” or “pitch angle,” has significant implications for the performance, efficiency, and load-bearing capacity of the gearbox.

The angle between bevel gears affects several key aspects:

  • Mechanical Advantage: The angle determines the mechanical advantage or gear ratio of the bevel gearbox. A smaller angle results in a lower gear ratio, providing higher torque and slower rotational speed, while a larger angle yields a higher gear ratio, resulting in higher rotational speed and lower torque output.
  • Efficiency: The angle affects the efficiency of power transmission. A smaller angle generally leads to higher efficiency due to improved load distribution and reduced friction losses.
  • Load Distribution: Properly chosen angles contribute to even load distribution across the teeth of the bevel gears. Improper angles can cause uneven wear and premature failure.
  • Space Constraints: The angle impacts the overall dimensions of the bevel gearbox, which can be critical when space is limited in certain applications.

The angle between bevel gears is typically selected based on the specific requirements of the mechanical system and the intended application. It is a critical design consideration that engineers carefully analyze to ensure optimal performance and reliability of the bevel gearbox.

China Hot selling Helical Gearbox Inline Helical Gear Box Bevel Two Stage Worm Reduction Unit Crane Duty Shaft Mounted Parallel Manufacturers Industrial Coaxial Helical Gearbox   bevel gearbox	China Hot selling Helical Gearbox Inline Helical Gear Box Bevel Two Stage Worm Reduction Unit Crane Duty Shaft Mounted Parallel Manufacturers Industrial Coaxial Helical Gearbox   bevel gearbox
editor by CX 2023-10-26