Tag Archives: gear supplier

China OEM High Precision Helical Worm Speed Reducer Gear Motor Gearbox supplier

Product Description

High Precision Helical Worm Speed Reducer Gear Motor Gearbox
 

Input Configurations

Direct motor coupled

With IEC B5/B14 motor flange

With IEC B5/B14 motor mounted

With CHINAMFG input shaft

Output Configurations

 

CHINAMFG output shaft

CHINAMFG output shaft with flange

Hollow output shaft

Hollow output shaft with flange

Variants of the Helical Worm Gear Unit Series S / SF / SA / SAF

Foot- or flange-mounted

B5 or B14 flange-mounted

CHINAMFG shaft or hollow shaft

Hollow shaft with keyed connection, shrink disk, splined hollow shaft, or Torque Arm

Main Feature

The simple design makes for cost-effectiveness.  Use the S series gear units to implement simple tasks in your machine or plant applications. The linear power transmission makes the helical-worm gear units especially quiet in operation. The combination with a helical gear stage significantly increases the efficiency compared to pure worm gear units.

Specification

Model

Shaft Dia.

mm

Horizontal Center Height mm

External Flange Dia.

 mm

Power

(kw)

Ratio

(i)

Nominal Torque

(Nm)

CHINAMFG Shaft

Hollow Shaft

S/SF/SA/SAF37

ф20

ф20

88

 

0.12-0.55

24-204

100

S/SF/SA/SAF47

ф25

ф30 / ф25

100

160

0.18-0.75

24-204

150

S/SF/SA/SAF57

ф30

ф35 / ф30

112

200

0.75-1.5

24-204

250

S/SF/SA/SAF67

ф35

ф45 /ф40

140

200

0.75-3

24-285

460

S/SF/SA/SAF77

ф45

ф60 / ф50

180

250

0.75-7.5

24-385

1200

S/SF/SA/SAF87

ф60

ф70 / ф60

225

350

1.1-11

24-389

2000

S/SF/SA/SAF97

ф70

ф90 / ф70

280

450

1.5-18.5

24-389

3500

Company profile

Scenario

Packing

FAQ

Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc. 

Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection. 

Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice. 

Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on. 

Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors. /* 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: Motor, Motorcycle, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: M1-M6
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Double-Step
Customization:
Available

|

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 High Precision Helical Worm Speed Reducer Gear Motor Gearbox   supplier China OEM High Precision Helical Worm Speed Reducer Gear Motor Gearbox   supplier
editor by CX 2024-05-13

China wholesaler K Helical Bevel Gearmotors Gear Box High Precision 90 Degree Bevel Gear Box supplier

Product Description

K helical bevel gearmotors gear box high precision 90 Degree bevel gear box

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.
/* 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: 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

presicion gearbox

Precision Gearboxes: Accurate Motion Control

Precision gearboxes play a crucial role in achieving accurate motion control in a wide range of applications. Their contribution includes:

1. Reduced Backlash: Precision gearboxes are engineered to minimize backlash, the play between gear teeth. This reduction ensures that motion changes are precisely translated without delay or lost motion.

2. High Gear Ratios: These gearboxes often feature high gear ratios, allowing for fine adjustments and precise control over the movement, even in applications requiring substantial torque.

3. Minimal Vibration: Precision gearboxes are designed to minimize vibration during operation. This feature is crucial in applications where vibration can affect accuracy, such as robotics and precision machining.

4. Consistent Speed: In applications requiring consistent speed, such as conveyor systems, precision gearboxes ensure uniform motion, preventing speed variations that can lead to inaccuracies.

5. Repeatable Positioning: Precision gearboxes enable repeatable and accurate positioning. This is essential for tasks like CNC machining, where components need to be precisely placed for machining operations.

6. Smooth Operation: With optimized gear designs and high-quality manufacturing, precision gearboxes provide smooth and steady motion, crucial for tasks like camera movement in cinematography.

7. Customizable Configurations: Precision gearboxes can be customized to match specific requirements, allowing engineers to choose the appropriate gear ratios, sizes, and features for precise motion control.

8. Automation and Robotics: Precision gearboxes are fundamental in automation and robotics, ensuring accurate and controlled movement for tasks such as pick-and-place operations and assembly.

9. Machine Tools: In machine tools like lathes and mills, precision gearboxes drive the motion of cutting tools, enabling precise shaping and machining of workpieces.

10. Medical Equipment: Precision gearboxes are used in medical devices such as surgical robots and diagnostic equipment, where accurate motion is critical for procedures and measurements.

By offering precise control over motion, minimizing inaccuracies, and enabling consistent performance, precision gearboxes contribute significantly to accurate motion control in diverse industrial and technological applications.

China wholesaler K Helical Bevel Gearmotors Gear Box High Precision 90 Degree Bevel Gear Box   supplier China wholesaler K Helical Bevel Gearmotors Gear Box High Precision 90 Degree Bevel Gear Box   supplier
editor by CX 2024-04-03

China supplier Rvseries High Precision Nrv-Vs63 Ratio 5-100 Durable Aluminum Alloy Mechanical Worm Speed Reducer Gear Box for Elevator gearbox design

Product Description

item

value

Warranty

1 year

Applicable Industries

Manufacturing Plant, Construction works , Energy & Mining, Other

Customized support

OEM

Gearing Arrangement

Worm

Output Torque

   118-160N.M

Place of CHINAMFG

ZheJiang , China

Input speed

  1400rpm

Output speed

  14-186.7rpm

Ratio

7.5,10,15,20,25,30,40,50,60,80,100

Material

   Aluminum alloy Die casting

Product name

   NRV Worm Gear Reducer

MOQ

10pcs

Color

Customization

PRODUCTS CHARACTERISTICS
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.

FAQ
Q1:Are you a manufacturer or trading company?
 Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
 motor.

Q2: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.

Q3: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.

Q4: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, tabacco, environmental protection, logistics and etc.

Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.

Q6:What’s your warranty terms?
One year
  /* 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: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: as for Request
Hardness: Hardened Tooth Surface
Installation: as for Request
Step: as for Request
Samples:
US$ 38/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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 supplier Rvseries High Precision Nrv-Vs63 Ratio 5-100 Durable Aluminum Alloy Mechanical Worm Speed Reducer Gear Box for Elevator   gearbox design		China supplier Rvseries High Precision Nrv-Vs63 Ratio 5-100 Durable Aluminum Alloy Mechanical Worm Speed Reducer Gear Box for Elevator   gearbox design
editor by CX 2024-03-02

China supplier High Precision Low Noise 90mm Planetary Gear Reducer Gearbox gearbox design

Product Description

High Precision Low Noise 90MM Planetary Gear Reducer Gearbox

Nickel chromium molybdenum alloy steel gear is manufactured with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear precision and low noise operation.Internal gear bore uses needle roller to obtain higher abrasion resistance and strength.

Product Description

Description:
(1).The output shaft is made of large size,large span double bearing design,output shaft and planetary arm bracket as a whole.The input shaft is placed directly on the planet arm bracket to ensure that the reducer has high operating accuracy and maximum torsional rigidity.
(2).Shell and the inner ring gear used integrated design,quenching and tempering after the processing of the teeth so that it can achieve high torque,high precision,high wear resistance.Moreover surface nickel-plated anti-rust treatment,so that its corrosion resistance greatly enhanced.(3).The planetary gear transmission employs full needle roller without retainer to increase the contact surface,which greatly upgrades structural rigidity and service life.
(4).The gear is made of Japanese imported material.After the metal cutting process,the vacuum carburizing heat treatment to 58-62HRC. And then by the hobbing,Get the best tooth shape,tooth direction,to ensure that the gear of high precision and good impact toughness.
(5).Input shaft and sun gear integrated structure,in order to improve the operation accuracy of the reducer.
1.One-piece construction,High Precision and large output torque.
2.Double bracing cage planetary shelf structure.high reliable. Can suit reversible rotation frequently
3.Helical gear transmission, more reliable. Higher torque.
4.Low return backlash, high precision.
5.Special Rotation frame structure.can carry bigger Radial&Axial load

Specifications PG64 PG90 PG110
Technal Parameters
Max. Torque Nm 3times rated torque
Emergency Stop Torque Nm 3times rated torque
Max. Radial Load N 2050 4100 8200
Max. Axial Load N 513 1571 2050
Torsional Rigidity Nm/arcmin 13 31 82
Max.Input Speed rpm 6000 6000 4500-6000
Rated Input Speed rpm 4000 3000 3000
Noise dB ≤58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin ≤3 ≤3 ≤3
L2 arcmin ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5
L2 arcmin ≤8 ≤8 ≤8
Moment Of Inertia Table L1 4 Kg*cm2 0.13 0.51 2.87
5 Kg*cm2 0.13 0.47 2.71
7 Kg*cm2 0.13 0.45 2.62
10 Kg*cm2 0.03 0.44 2.57
L2 16 Kg*cm2 0.03 0.23 0.47
20 Kg*cm2 0.03 0.23 0.47
25 Kg*cm2 0.03 0.23 0.47
28 Kg*cm2 0.03 0.23 0.47
35 Kg*cm2 0.03 0.23 0.47
40 Kg*cm2 0.03 0.23 0.47
50 Kg*cm2 0.03 0.2 0.44
70 Kg*cm2 0.03 0.2 0.44
100 Kg*cm2 0.03 0.2 0.44
Technical Parameter Level Ratio   PXR42 PXR60 PXR90
Rated Torque L1 4 Nm 40 120 220
5 Nm 40 125 260
7 Nm 40 125 260
10 Nm 35 80 160
L2 16 Nm 50 120 300
20 Nm 50 120 300
25 Nm 50 125 350
28 Nm 50 120 300
35 Nm 50 125 350
40 Nm 50 125 350
50 Nm 50 125 350
70 Nm 50 125 350
100 Nm 35 80 220
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 1.3 3.4 7.1
L2 kg 1.9 4.7 9.5

 

Company Profile

Packaging & Shipping

1. Lead time: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Helical Gear
Step: Double-Step
Samples:
US$ 398/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

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 supplier High Precision Low Noise 90mm Planetary Gear Reducer Gearbox   gearbox design		China supplier High Precision Low Noise 90mm Planetary Gear Reducer Gearbox   gearbox design
editor by CX 2024-02-17