Tag Archives: planetary gearhead

China OEM Gpb090 Gearbox Gvb CZPT Right Angle Reducer High Precision Planetary Gearhead Factory car gearbox

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

GB090-10-P2

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

050:ø50mm
070:ø70mm
090:ø90mm
120:ø120mm
155:ø155mm
205:ø205mm
235:ø235mm
042:42x42mm
060:60x60mm
090:90x90mm
115:115x115mm
142:142x142mm
180:180x180mm
220:220x220mm
571 means 1:10 P0:High Precision Backlash

P1:Precision 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 

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

How to Choose the Right Gearbox for Your Machinery

Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:

  1. Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
  2. Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
  3. Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
  4. Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
  5. Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
  6. Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
  7. Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
  8. Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
  9. Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
  10. Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
  11. Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.

Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.

China OEM Gpb090 Gearbox Gvb CZPT Right Angle Reducer High Precision Planetary Gearhead Factory   car gearbox	China OEM Gpb090 Gearbox Gvb CZPT Right Angle Reducer High Precision Planetary Gearhead Factory   car gearbox
editor by CX 2024-04-25

China Good quality Gear Box Gpb Servo Motor Gearhead High Precision Planetary Gearbox gearbox engine

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

GB090-10-P2

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

050:ø50mm
070:ø70mm
090:ø90mm
120:ø120mm
155:ø155mm
205:ø205mm
235:ø235mm
042:42x42mm
060:60x60mm
090:90x90mm
115:115x115mm
142:142x142mm
180:180x180mm
220:220x220mm
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 

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Is it Better to Repair or Replace a Damaged Gearbox?

Deciding whether to repair or replace a damaged gearbox depends on several factors and considerations:

  • Extent of Damage: Assess the severity of the gearbox damage. Minor issues like worn bearings or seals may be repairable, while extensive damage may necessitate a replacement.
  • Cost of Repair: Compare the cost of repairing the gearbox to the cost of replacing it with a new or remanufactured unit. In some cases, repairs might be more cost-effective.
  • Availability of Parts: Availability of replacement parts for the gearbox can influence the repair option. If parts are hard to find, replacement might be a more viable choice.
  • Age and Condition: Consider the age and overall condition of the vehicle. If the vehicle is older and nearing the end of its lifespan, a replacement gearbox might offer better long-term reliability.
  • Performance and Efficiency: A new or remanufactured gearbox might offer improved performance and efficiency compared to a repaired one.
  • Future Maintenance: Evaluate potential future maintenance needs of both repair and replacement options. A replacement gearbox might come with a warranty and require less frequent maintenance.
  • Professional Assessment: Seek advice from a qualified mechanic or technician who can thoroughly assess the gearbox and provide recommendations based on expertise.

Ultimately, the decision to repair or replace a damaged gearbox should be based on a careful evaluation of these factors. It’s recommended to consult with professionals to make an informed choice that best suits your specific situation and budget.

China Good quality Gear Box Gpb Servo Motor Gearhead High Precision Planetary Gearbox   gearbox engineChina Good quality Gear Box Gpb Servo Motor Gearhead High Precision Planetary Gearbox   gearbox engine
editor by CX 2024-04-15

China factory 10mm Metal Cutted High Performance Low Noise Planetary Gearhead Gearbox planetary gearbox

Product Description

Product overview:

Planetary gearheads feature extremely high power transmission with a very short design. The modular design and the scaled stages provide the basis for a customer-specific solution. Metal components make use in a wide range of applications possible.At the same time they have a very compact form, low weight, and excellent efficiency. Self-centering planet gears ensure a symmetrical force distribution. The ring gear also forms the housing of the gearbox. The gearbox output shaft is supported in 2 ball bearings so that it can withstand high axial and radial loads. The gearboxes are customized, e.g. for use in especially low ambient temperatures, or as high-power gearboxes with reinforced output shafts, or with special lubricants for very long service life.

Typical applications:
 

  1. ATM in bank,Robot,Door-lock,Auto shutter, USB fan,Slot machine,Money detector, Coin refund devices
  2. Currency count machine, Towel dispensers, Automatic doors,Peritoneal machine
  3. Automatic TV rack, Office equipemt ,Household appliances,Automatic, medical screwdriver, robotic arms
  4. Lab stirrer, Cosmetology instrument, Medical devices, Hairdressing equipment,Cameras,Health-care articles

Miscellanea:
 

  1. Please contact us to get detailed specifications and drawings for the geared motor you’re looking for.
  2. We are able to design and produce the geared motor you specified.(OEM & ODM).
  3. Please visit us at silent to get more information.

 

Factory overview:

HangZhou Silent Industry Co.,Ltd is a professional manufacturer specialized in development, production and sales of micro geared motor, small module gear, and the miniature precision planetary gearbox for more than 20 years. We provide overall transmission solutions for smart home and robot, medical devices, industrial automation, intelligent equipments, sunshade industry, aerospace etc.

We are a national high-tech enterprise and have obtained more than 30 patents. Our products are characterized by high precision and high torque, low noise and long service life. All gears of the gear motors are developed and produced by our own gear department. The gears’ precision can reach ISO 8 level, which ensures the guaranteed quality control from design to production. At the same time, we can develop, design and produce according to the needs of customers.We’re looking for business partners all around the world to work and develop together.

Welcome to our company, and we will always provide you with satisfactory consulting, manufacturing and service.

Concentrating on micro reduction motor for 16 years

Independent research and development of planetary gearmotor (8mm-62mm)

High torque and high efficience, low noise and long life

ISO9001/14001, IATF16949 quality system certificated

World-class quality

Custom-tailor to requirements

Be our partners

Application: Motor
Function: Change Drive Torque
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

What is a Gearbox and How Does It Work?

A gearbox is a mechanical device that transmits power and changes the speed or torque of a rotating input shaft to a different output shaft. It is commonly used in various machines and equipment to control the speed and direction of motion.

Here’s how a gearbox works:

  1. Input Shaft: The gearbox receives rotational energy from an input shaft connected to a power source, such as an electric motor or an engine.
  2. Gears: Inside the gearbox are a set of gears with different sizes. These gears mesh with each other, and their arrangement determines the gear ratio, which defines how many revolutions the output shaft will make for a given rotation of the input shaft.
  3. Output Shaft: The output shaft is connected to the machinery or equipment that needs to be powered. As the gears rotate, the motion and power are transmitted from the input shaft to the output shaft.
  4. Gear Ratio: By selecting different gear combinations, the gearbox can change the speed and torque of the output shaft. A higher gear ratio results in higher torque and lower speed, while a lower gear ratio provides higher speed and lower torque.

Gearboxes play a crucial role in various applications, including automobiles, industrial machinery, robotics, and more, enabling efficient power transmission and speed control.

China factory 10mm Metal Cutted High Performance Low Noise Planetary Gearhead Gearbox   planetary gearbox	China factory 10mm Metal Cutted High Performance Low Noise Planetary Gearhead Gearbox   planetary gearbox
editor by CX 2023-11-27

China OEM 62mm Metal Cutted High Precision Low Noise Planetary Gearhead Gearbox gearbox definition

Product Description

Product overview:

Planetary gearheads feature extremely high power transmission with a very short design. The modular design and the scaled stages provide the basis for a customer-specific solution. Metal components make use in a wide range of applications possible.At the same time they have a very compact form, low weight, and excellent efficiency. Self-centering planet gears ensure a symmetrical force distribution. The ring gear also forms the housing of the gearbox. The gearbox output shaft is supported in 2 ball bearings so that it can withstand high axial and radial loads. The gearboxes are customized, e.g. for use in especially low ambient temperatures, or as high-power gearboxes with reinforced output shafts, or with special lubricants for very long service life.

Typical applications:
 

  1. ATM in bank,Robot,Door-lock,Auto shutter, USB fan,Slot machine,Money detector, Coin refund devices
  2. Currency count machine, Towel dispensers, Automatic doors,Peritoneal machine
  3. Automatic TV rack, Office equipemt ,Household appliances,Automatic, medical screwdriver, robotic arms
  4. Lab stirrer, Cosmetology instrument, Medical devices, Hairdressing equipment,Cameras,Health-care articles

Miscellanea:
 

  1. Please contact us to get detailed specifications and drawings for the geared motor you’re looking for.
  2. We are able to design and produce the geared motor you specified.(OEM & ODM).
  3. Please visit us at silent to get more information.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Change Drive Torque, Speed Reduction
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Common Problems with Gearboxes and How to Troubleshoot Them

Gearboxes can encounter various issues over time. Here are some common problems and troubleshooting steps:

  1. Noise and Vibration: Excessive noise or vibration may indicate misalignment, worn gears, or insufficient lubrication. Check alignment, inspect gears for wear, and ensure proper lubrication.
  2. Overheating: Overheating can be caused by high friction, inadequate lubrication, or overloading. Verify lubrication levels, reduce loads, and ensure proper ventilation.
  3. Leakage: Oil leaks may result from worn seals or gaskets. Inspect and replace damaged seals, and ensure proper sealing.
  4. Reduced Performance: Decreased performance could be due to worn gears, damaged bearings, or misalignment. Inspect components, replace damaged parts, and realign as needed.
  5. Gear Wear and Tooth Damage: Wear on gear teeth can result from excessive loads or poor lubrication. Replace worn gears and ensure proper lubrication.
  6. Shaft Misalignment: Shaft misalignment can lead to increased wear and noise. Realign shafts using precision measurement tools.
  7. Lubrication Issues: Inadequate or contaminated lubrication can cause premature wear. Regularly check and replace lubricant, and use the correct type for your gearbox.
  8. Bearing Failure: Bearing failure may result from overload, misalignment, or inadequate lubrication. Replace worn bearings and address underlying issues.
  9. Seal Damage: Damaged seals can lead to leaks and contamination. Replace seals and ensure proper installation.
  10. Gearbox Lockup: Gearbox lockup may occur due to foreign objects or damaged components. Disassemble and inspect the gearbox, removing any obstructions and replacing damaged parts.

Regular maintenance, proper lubrication, and timely troubleshooting are key to addressing gearbox problems and ensuring smooth operation.

China OEM 62mm Metal Cutted High Precision Low Noise Planetary Gearhead Gearbox   gearbox definition		China OEM 62mm Metal Cutted High Precision Low Noise Planetary Gearhead Gearbox   gearbox definition
editor by CX 2023-09-26

China Standard 62mm Metal Cutted High Precision Low Noise Planetary Gearhead Gearbox gearbox engine

Product Description

Product overview:

Planetary gearheads feature extremely high power transmission with a very short design. The modular design and the scaled stages provide the basis for a customer-specific solution. Metal components make use in a wide range of applications possible.At the same time they have a very compact form, low weight, and excellent efficiency. Self-centering planet gears ensure a symmetrical force distribution. The ring gear also forms the housing of the gearbox. The gearbox output shaft is supported in 2 ball bearings so that it can withstand high axial and radial loads. The gearboxes are customized, e.g. for use in especially low ambient temperatures, or as high-power gearboxes with reinforced output shafts, or with special lubricants for very long service life.

Typical applications:
 

  1. ATM in bank,Robot,Door-lock,Auto shutter, USB fan,Slot machine,Money detector, Coin refund devices
  2. Currency count machine, Towel dispensers, Automatic doors,Peritoneal machine
  3. Automatic TV rack, Office equipemt ,Household appliances,Automatic, medical screwdriver, robotic arms
  4. Lab stirrer, Cosmetology instrument, Medical devices, Hairdressing equipment,Cameras,Health-care articles

Miscellanea:
 

  1. Please contact us to get detailed specifications and drawings for the geared motor you’re looking for.
  2. We are able to design and produce the geared motor you specified.(OEM & ODM).
  3. Please visit us at silent to get more information.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Change Drive Torque, Speed Reduction
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Importance of Lubrication in Gearbox Performance

Lubrication plays a critical role in ensuring the optimal performance, longevity, and reliability of gearboxes. Proper lubrication provides several key benefits:

  • Reduces Friction and Wear: Lubrication forms a protective layer between gear teeth, bearings, and other moving components, reducing friction and minimizing wear and tear.
  • Heat Dissipation: Lubricants help dissipate the heat generated during gear operation, preventing overheating and potential damage to components.
  • Noise Reduction: Adequate lubrication can dampen noise and vibration produced by gear meshing, leading to quieter and smoother operation.
  • Sealing and Contaminant Prevention: Lubricants create a barrier that seals out contaminants like dust, dirt, and moisture, preventing their entry and reducing the risk of corrosion and damage.
  • Enhanced Efficiency: Proper lubrication reduces energy losses due to friction, improving the overall efficiency of the gearbox.
  • Extended Lifespan: Lubrication helps prevent premature component wear and failure, extending the lifespan of the gearbox and minimizing the need for costly repairs or replacements.
  • Optimal Performance: Gearboxes operate within specified tolerances when properly lubricated, ensuring they deliver the intended performance and functionality.

It’s essential to use the recommended lubricant type, viscosity, and change intervals specified by the gearbox manufacturer to ensure the best possible performance and longevity. Regular monitoring and maintenance of lubrication levels are crucial to preserving the health of the gearbox and its components.

China Standard 62mm Metal Cutted High Precision Low Noise Planetary Gearhead Gearbox   gearbox engineChina Standard 62mm Metal Cutted High Precision Low Noise Planetary Gearhead Gearbox   gearbox engine
editor by CX 2023-09-04