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China high quality OEM Low Backlash High Torque High Precision Helical Gearbox Planetary Gear Speed Reducers for Servo Motors synchromesh gearbox

Product Description

Company Profile

CCMS manufactures DC motors, AC motors, planetary gear motors, drum motors, planetary gearboxes, RV reducers and harmonic gearboxes, among others. Through technological innovation and customization, we help you create outstanding applications and provide flexible solutions for a wide range of industrial automation situations. We support custom machining and produce a wide range of parts.


Product Selection:
In the selection of products our sales team will help you find the most suitable products and corresponding solutions according to your needs.
Drawing Requirements:
We accept 2D, 3D drawings, and step files. We will produce according to your drawing requirements.
OEM&ODM Services:
We support the drawing processing and sample processing, providing high precision and high quality customized products is our survival.

Product Parameters

Precision Bevel Teeth AB Series Technical Parameters
Rated Output Torque Nm AB60 AB90 AB115 AB142 AB180 Ratio Section
46 125 210 450 650 3 1
52 145 300 550 1250 4
55 155 320 650 1200 5
42 105 220 440 910 10
56 145 310 500 650 15 2
52 155 305 550 1200 25
55 155 320 650 1200 70
55 155 320 650 1200 100



Our products are widely used in mobile robots, logistics sorting, solar photovoltaic, semiconductor equipment, drive technology, machine tools, manufacturing machines, automation equipment, manipulators, wood processing machinery, paper equipment, medical equipment, aerospace industry, etc.

Our Advantages

1. High Precision: back gap is less than 5 arc minutes, accurate positioning.
2. The precision of the gear can be controlled below ISO4 level by using the top ultra-precision machine tool and the world’s leading tooth grinding.
3. The gear material is made of advanced low carbon alloy forged steel. After deed heat treatment, it can reach HRC60.
4. It can be adapted to any servo motor in the world.
5. Using synthetic grease, and adopt IP65 sealing design, no leakage and no maintenance.
6. The cage planetary support structure and the output shaft are integrated to achieve high stiffness and precision.


Relevant Products

Factory Showing



Q: Who are you?
A: We are the OEM Manufacturer of varied kinds of Planetary Gear Reducers, Geaboxes, Bush Motors, Helical Precision Reducers.

Q: How to choose a most suitable Precision Reducer?
A: You can tell me your requirements, such as where does they use, the detailed specifications. Just like like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.

Q: Do you support Customization or have standard gear motors?
A: Yes. We accpet customization, just send us your detailed drawings. We also do standard motors, if you need, we can delivery soon.

Q: How about your lead time?
A: The leading time of standard motor in our factory just need 15-30 days. If it is a customized, it may take more time to produce. But, it always according to the orders.

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
US$ 100/Piece
1 Piece(Min.Order)


Order Sample



Customized Request

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Shipping Cost:

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.

presicion gearbox

Industries and Machinery Using Precision Gearboxes

Precision gearboxes find applications in various industries that require accurate and reliable motion control:

1. Robotics and Automation: Precision gearboxes are essential for precise movement and positioning in robotic arms and automated systems.

2. Aerospace and Aviation: These industries demand high precision for flight control systems, landing gear mechanisms, and satellite deployment systems.

3. Medical Equipment: Precision gearboxes are used in medical imaging devices, robotic surgery systems, and other precision medical equipment.

4. Manufacturing: Industries such as CNC machining, 3D printing, and injection molding rely on precision gearboxes for accurate motion control and repeatability.

5. Semiconductor Manufacturing: Precision gearboxes are crucial in semiconductor fabrication equipment for accurate wafer positioning and manipulation.

6. Optics and Photonics: Precision gearboxes are used in devices like telescopes, laser systems, and optical positioning equipment.

7. Packaging and Labeling: These industries use precision gearboxes for accurate and consistent packaging and labeling processes.

8. Textile Machinery: Precision gearboxes ensure precise control in textile machines for weaving, knitting, and embroidery.

9. Printing and Paper Handling: Precision gearboxes contribute to accurate paper feeding and registration in printing and paper handling machines.

10. Automotive Manufacturing: Precision gearboxes are used in automated assembly lines for accurate component positioning and handling.

11. Oil and Gas Equipment: These industries require precision gearboxes for accurate valve control, drilling equipment, and positioning systems.

12. Renewable Energy: Precision gearboxes are used in solar tracking systems and wind turbine pitch control mechanisms.

These industries and many more benefit from the use of precision gearboxes to achieve the highest levels of accuracy, repeatability, and reliability in their machinery and equipment.

China high quality OEM Low Backlash High Torque High Precision Helical Gearbox Planetary Gear Speed Reducers for Servo Motors   synchromesh gearbox	China high quality OEM Low Backlash High Torque High Precision Helical Gearbox Planetary Gear Speed Reducers for Servo Motors   synchromesh gearbox
editor by CX 2024-04-24

China OEM Automatic Power Transmission Reducer Precision Planetary Gearbox for Gear Motors gearbox and motor

Product Description

TaiBang Motor Industry Group Co., Ltd.

The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine. 

Model Instruction


GB 090 571 P2
Reducer Series Code External Diameter Reduction Ratio Reducer Backlash
GB:High Precision Square Flange Output

GBR:High Precision Right Angle Square Flange Output

GE:High Precision Round Flange Output

GER:High Precision Right Round Flange Output

571 means 1:10 P0:High Precision Backlash

P1:Precison Backlash

P2:Standard Backlash

Main Technical Performance

Item Number of stage Reduction Ratio GB042 GB060 GB060A GB090 GB090A GB115 GB142 GB180 GB220
Rotary Inertia 1 3 0.03 0.16   0.61   3.25 9.21 28.98 69.61
4 0.03 0.14   0.48   2.74 7.54 23.67 54.37
5 0.03 0.13   0.47   2.71 7.42 23.29 53.27
6 0.03 0.13   0.45   2.65 7.25 22.75 51.72
7 0.03 0.13   0.45   2.62 7.14 22.48 50.97
8 0.03 0.13   0.44   2.58 7.07 22.59 50.84
9 0.03 0.13   0.44   2.57 7.04 22.53 50.63
10 0.03 0.13   0.44   2.57 7.03 22.51 50.56
2 15 0.03 0.03 0.13 0.13 0.47 0.47 2.71 7.42 23.29
20 0.03 0.03 0.13 0.13 0.47 0.47 2.71 7.42 23.29
25 0.03 0.03 0.13 0.13 0.47 0.47 2.71 7.42 23.29
30 0.03 0.03 0.13 0.13 0.47 0.47 2.71 7.42 23.29
35 0.03 0.03 0.13 0.13 0.47 0.47 2.71 7.42 23.29
40 0.03 0.03 0.13 0.13 0.47 0.47 2.71 7.42 23.29
45 0.03 0.03 0.13 0.13 0.47 0.47 2.71 7.42 23.29
50 0.03 0.03 0.13 0.13 0.44 0.44 2.57 7.03 22.51
60 0.03 0.03 0.13 0.13 0.44 0.44 2.57 7.03 22.51
70 0.03 0.03 0.13 0.13 0.44 0.44 2.57 7.03 22.51
80 0.03 0.03 0.13 0.13 0.44 0.44 2.57 7.03 22.51
90 0.03 0.03 0.13 0.13 0.44 0.44 2.57 7.03 22.51
100 0.03 0.03 0.13 0.13 0.44 0.44 2.57 7.03 22.51


Item Number of stage GB042 GB060 GB060A GB90 GB090A GB115 GB142 GB180 GB220
Backlash(arcmin) High Precision P0 1       ≤1 ≤1 ≤1 ≤1 ≤1 ≤1
2           ≤3 ≤3 ≤3 ≤3
Precision P1 1 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3
2 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
Standard P2 1 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
2 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7
Torsional Rigidity(N.M/arcmin) 1 3 7 7 14 14 25 50 145 225
2 3 7 7 14 14 25 50 145 225
Noise(dB) 1,2 ≤56 ≤58 ≤58 ≤60 ≤60 ≤63 ≤65 ≤67 ≤70
Rated input speed(rpm) 1,2 5000 5000 5000 4000 4000 4000 3000 3000 2000
Max input speed(rpm) 1,2 10000 10000 10000 8000 8000 8000 6000 6000 4000

 Noise test standard:Distance 1m,no load.Measured with an input speed 3000rpm 


Application: Machinery, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Double-Step
US$ 50/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

presicion gearbox

Types of Precision Gearboxes and Their Functions

Precision gearboxes come in various types, each designed to fulfill specific functions in industries requiring high accuracy and reliability:

1. Planetary Gearboxes: Also known as epicyclic gearboxes, they provide high torque density, compactness, and exceptional precision. They are commonly used in robotics, automation, and aerospace applications.

2. Spur Gearboxes: Spur gears provide simplicity and high efficiency but are mainly used for lower torque applications. They find applications in industries like printing, packaging, and textile machinery.

3. Bevel Gearboxes: Bevel gears transmit power between intersecting shafts and are commonly used in applications with changing motion directions, such as in machine tools and conveyor systems.

4. Worm Gearboxes: Worm gears offer high gear reduction ratios and are known for their self-locking feature. They are used in applications where back driving needs to be prevented, like lifting mechanisms.

5. Helical Gearboxes: Helical gears provide smoother and quieter operation compared to spur gears. They are widely used in precision machinery, robotics, and medical equipment.

6. Planetary Helical Gearboxes: These combine the advantages of planetary and helical gear designs, offering high precision, compactness, and efficiency. They are utilized in industries requiring high precision and torque transmission.

7. Right Angle Gearboxes: Right angle gearboxes, also known as 90-degree gearboxes, change the direction of motion by 90 degrees. They are used in applications where space is limited, such as conveyors and machine tools.

8. Orthogonal Gearboxes: These gearboxes transmit power between non-intersecting shafts at a fixed angle. They are used in applications where shafts are positioned at a specific angle to each other.

9. Coaxial Gearboxes: Coaxial gearboxes have input and output shafts that are in line with each other. They are used in applications where space is limited and straight-line power transmission is required.

10. High Precision Gearboxes: These gearboxes are specially designed for applications requiring extremely high precision, such as in semiconductor manufacturing and metrology equipment.

Each type of precision gearbox offers unique features and advantages, catering to the specific needs of industries that demand high accuracy and reliable motion control.

China OEM Automatic Power Transmission Reducer Precision Planetary Gearbox for Gear Motors   gearbox and motor	China OEM Automatic Power Transmission Reducer Precision Planetary Gearbox for Gear Motors   gearbox and motor
editor by CX 2023-12-15

China factory 12V 24V DC Speed Reducer Motors with Planetary Gearbox 22mm Diameter Metal Shaft Gear Motor differential gearbox

Product Description


Product Parameters


Gear motor




1000 units


200,000 units/month



Place of Origin

HangZhou/HangZhou, ZheJiang , China

Delivery Date

Depending on the quantity, please ask the salesman.

Payment Terms

30% advance, 70% balance

Port of Shipment

HangZhou / Hong Kong

Detailed Photos

1. What kind of motor do you supply?

Kinmore specializes in making DC motors & gear motors with the diameter ranging from 6-80 mm; automotive motors and vibration motors are our strength area too; we also provide brushless motors.

2. What’s the lead time for samples or mass production?
Normally, it takes 15-25 days to produce samples; about mass production, it will take 35-40 days for DC motor production and 45-60 days for gear motor production.

3. Could you mind sending the quotation for this motor?
For all of our motors, they are customized based on different requirements. We will offer the quotation soon after you send your specific requests and annual quantity.

4. Do you offer some kinds of accessories like encoder, PCB, connector, soldering wired for the motor?
We specialize in motors, instead of accessories. But if your annual demand reaches a certain amount, we will apply to the engineer for offering the accessories.

5. Are you motors certificated with UL, CB Tüv, CE?
All of our motors are UL, CB Tüv, CE compliant, and all our items are making under REACH and ROHS. We could provide motor’s exploring drawing and BOM for your products UL certificated. We also could make motors built-in filters based on your EMC directive for your EMC passing.


Application: Motor, Electric Cars, Toy, Car
Hardness: Soft Tooth Surface
Step: Four-Step
Diameter: 22mm
Model No: Rk-520tb-26140
Rated Voltage: 6V
US$ 15/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

planetary gearbox

Impact of Gear Tooth Design and Profile on the Efficiency of Planetary Gearboxes

The design and profile of gear teeth have a significant impact on the efficiency of planetary gearboxes:

  • Tooth Profile: The tooth profile, such as involute, cycloid, or modified profiles, affects the contact pattern and load distribution between gear teeth. An optimized profile minimizes stress concentration and ensures smooth meshing, contributing to higher efficiency.
  • Tooth Shape: The shape of gear teeth influences the amount of sliding and rolling motion during meshing. Gear teeth designed for more rolling and less sliding motion reduce friction and wear, enhancing overall efficiency.
  • Pressure Angle: The pressure angle at which gear teeth engage affects the force distribution and efficiency. Larger pressure angles can lead to higher efficiency due to improved load sharing, but they may require more space.
  • Tooth Thickness and Width: Optimized tooth thickness and width contribute to distributing the load more evenly across the gear face. Proper sizing reduces stress and increases efficiency.
  • Backlash: Backlash, the gap between meshing gear teeth, impacts efficiency by causing vibrations and energy losses. Properly controlled backlash minimizes these effects and improves efficiency.
  • Tooth Surface Finish: Smoother tooth surfaces reduce friction and wear. Proper surface finish, achieved through grinding or honing, enhances efficiency by reducing energy losses due to friction.
  • Material Selection: The choice of gear material influences wear, heat generation, and overall efficiency. Materials with good wear resistance and low friction coefficients contribute to higher efficiency.
  • Profile Modification: Profile modifications, such as tip and root relief, optimize tooth contact and reduce interference. These modifications minimize friction and increase efficiency.

In summary, the design and profile of gear teeth play a crucial role in determining the efficiency of planetary gearboxes. Optimal tooth profiles, shapes, pressure angles, thicknesses, widths, surface finishes, and material selections all contribute to reducing friction, wear, and energy losses, resulting in improved overall efficiency.

planetary gearbox

Signs of Wear or Damage in Planetary Gearboxes and Recommended Service

Planetary gearboxes, like any mechanical component, can exhibit signs of wear or damage over time. Recognizing these signs is crucial for timely maintenance to prevent further issues. Here are some common signs of wear or damage in planetary gearboxes:

1. Unusual Noise: Excessive noise, grinding, or whining sounds during operation can indicate worn or misaligned gear teeth. Unusual noise is often a clear indicator that something is wrong within the gearbox.

2. Increased Vibration: Excessive vibration or shaking during operation can result from misalignment, damaged bearings, or worn gears. Vibration can lead to further damage if not addressed promptly.

3. Gear Tooth Wear: Inspect gear teeth for signs of wear, pitting, or chipping. These issues can result from improper lubrication, overload, or other operational factors. Damaged gear teeth can affect the gearbox’s efficiency and performance.

4. Oil Leakage: Leakage of gearbox oil or lubricant can indicate a faulty seal or gasket. Oil leakage not only leads to reduced lubrication but can also cause environmental contamination and further damage to the gearbox components.

5. Temperature Increase: A significant rise in operating temperature can suggest increased friction due to wear or inadequate lubrication. Monitoring temperature changes can help identify potential issues early.

6. Reduced Efficiency: If you notice a decrease in performance, such as decreased torque output or inconsistent speed, it could indicate internal damage to the gearbox components.

7. Abnormal Gear Ratios: If the output speed or torque does not match the expected gear ratio, it could be due to gear wear, misalignment, or other issues affecting the gear engagement.

8. Frequent Maintenance Intervals: If you find that you need to service the gearbox more frequently than usual, it could be a sign that the gearbox is experiencing excessive wear or damage.

When to Service: If any of the above signs are observed, it’s important to address them promptly. Regular maintenance checks are also recommended to detect potential issues early and prevent more significant problems. Scheduled maintenance should include inspections, lubrication checks, and replacement of worn or damaged components.

It’s advisable to consult the gearbox manufacturer’s guidelines for recommended service intervals and practices. Regular maintenance can extend the lifespan of the planetary gearbox and ensure it continues to operate efficiently and reliably.

planetary gearbox

Design Principles and Functions of Planetary Gearboxes

Planetary gearboxes, also known as epicyclic gearboxes, are a type of gearbox that consists of one or more planet gears that revolve around a central sun gear, all contained within an outer ring gear. The design principles and functions of planetary gearboxes are based on this unique arrangement:

  • Sun Gear: The sun gear is positioned at the center and is connected to the input shaft. It transmits power from the input source to the planetary gears.
  • Planet Gears: Planet gears are small gears that rotate around the sun gear. They are typically mounted on a carrier, which is connected to the output shaft. The interaction between the planet gears and the sun gear creates both speed reduction and torque amplification.
  • Ring Gear: The outer ring gear is stationary and surrounds the planet gears. The teeth of the planet gears mesh with the teeth of the ring gear. The ring gear serves as the housing for the planet gears and provides a fixed outer reference point.
  • Function: Planetary gearboxes offer various gear reduction ratios by altering the arrangement of the input, output, and planet gears. Depending on the configuration, the sun gear, planet gears, or ring gear can serve as the input, output, or stationary element. This flexibility allows planetary gearboxes to achieve different torque and speed combinations.
  • Gear Reduction: In a planetary gearbox, the planet gears rotate while also revolving around the sun gear. This double motion creates multiple gear meshing points, distributing the load and enhancing torque transmission. The output shaft, connected to the planet carrier, rotates at a lower speed and higher torque than the input shaft.
  • Torque Amplification: Due to the multiple points of contact between the planet gears and the sun gear, planetary gearboxes can achieve torque amplification. The arrangement of gears allows for load sharing and distribution, leading to efficient torque transmission.
  • Compact Size: The compact design of planetary gearboxes, achieved by stacking the gears concentrically, makes them suitable for applications where space is limited.
  • Multiple Stages: Planetary gearboxes can be designed with multiple stages, where the output of one stage becomes the input of the next. This arrangement allows for high gear reduction ratios while maintaining a compact size.
  • Controlled Motion: By controlling the arrangement of the gears and their rotation, planetary gearboxes can provide different motion outputs, including forward, reverse, and even variable speeds.

Overall, the design principles of planetary gearboxes allow them to provide efficient torque transmission, compact size, high gear reduction, and versatile motion control, making them well-suited for various applications in industries such as automotive, robotics, aerospace, and more.

China factory 12V 24V DC Speed Reducer Motors with Planetary Gearbox 22mm Diameter Metal Shaft Gear Motor   differential gearbox	China factory 12V 24V DC Speed Reducer Motors with Planetary Gearbox 22mm Diameter Metal Shaft Gear Motor   differential gearbox
editor by CX 2023-11-14