China Good quality High Precision High Torque Ratio 100: 1 Transmission Parts Planetary Gearbox for Servo Motor gearbox adjustment

Product Description

High Precision High Torque Ratio 100:1 Transmission Parts Planetary Gearbox for Servo Motor

The main transmission structure of planetary reducer is planetary gear, sun gear, internal gear ring and planetary carrier. Planetary gear reducer has the advantages of small volume, high transmission efficiency, wide deceleration range and high precision. It is widely used in the transmission system of servo motor, stepping motor, DC motor and other motors. Its function is to reduce speed, increase torque, reduce load and motor moment of inertia ratio on the premise of ensuring precision transmission.

Product Parameters

1.With bevel gear reversing mechanism,right angle steering output is realized;
2.Square flange output,standard size;
3.The input specification are complete and there are many choices;
4.Spur transmission ,single cantilever structurer,design simple,high cost performance;
5.Keyway can be opened in the force shaft;
6.stable operation,low noise;
7.Size range:60-120mm
8.Ratio range:3-100;
10.Support custom according to drawings or samples

Specifications PVFN60 PVFN90 PVFN120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 240 450 1240
Max. Axial Load N 220 430 1000
Torsional Rigidity Nm/arcmin 1.8 4.85 11
Max.Input Speed rpm 8000 6000 6000
Rated Input Speed rpm 4000 3500 3500
Noise dB ≤58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥92%
Return Backlash P1 L1 arcmin ≤8 ≤8 ≤8
L2 arcmin ≤12 ≤12 ≤12
P2 L1 arcmin ≤16 ≤16 ≤16
L2 arcmin ≤20 ≤20 ≤20
Moment Of Inertia Table L1 3 Kg*cm2 0.46 1.73 12.78
4 Kg*cm2 0.46 1.73 12.78
5 Kg*cm2 0.46 1.73 12.78
7 Kg*cm2 0.41 1.42 11.38
10 Kg*cm2 0.41 1.42 11.38
L2 12 Kg*cm2 0.44 1.49 12.18
15 Kg*cm2 0.44 1.49 12.18
16 Kg*cm2 0.72 1.49 12.18
20 Kg*cm2 0.44 1.49 12.18
25 Kg*cm2 0.44 1.49 12.18
28 Kg*cm2 0.44 1.49 12.18
30 Kg*cm2 0.44 1.49 12.18
35 Kg*cm2 0.44 1.49 12.18
40 Kg*cm2 0.44 1.49 12.18
50 Kg*cm2 0.34 1.25 11.48
70 Kg*cm2 0.34 1.25 11.48
100 Kg*cm2 0.34 1.25 11.48
Technical Parameter Level Ratio   PVFN60 PVFN90 PVFN120
Rated Torque L1 3 Nm 27 96 161
4 Nm 40 122 210
5 Nm 40 122 210
7 Nm 34 95 170
10 Nm 16 56 86
L2 12 Nm 27 96 161
15 Nm 27 96 161
16 Nm 40 122 210
20 Nm 40 122 210
25 Nm 40 122 210
28 Nm 40 122 210
30 Nm 27 96 161
35 Nm 40 122 210
40 Nm 40 122 210
50 Nm 40 122 210
70 Nm 34 95 170
100 Nm 16 56 86
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 1.7 4.4 12
L2 kg 1.9 5 14

Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT


1. who are we?
CHINAMFG Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment; to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc

4. why should you buy from us not from other suppliers?
We are a 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts

5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese

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Application: Industrial
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Starting Mode: Direct on-line Starting
Certification: ISO9001
US$ 149/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

servo gearbox

Handling Backlash and Ensuring Precise Positioning in Servo Gearboxes

Servo gearboxes play a critical role in minimizing backlash and ensuring precise positioning in motion control systems:

1. Reduced Backlash Gearing: Many servo gearboxes utilize reduced backlash gearing technology. This involves designing gears with tighter tolerances and improved meshing profiles, resulting in minimal play between gear teeth. This reduces or eliminates backlash, which is essential for accurate motion control.

2. Preloading: Some servo gearboxes employ preloading mechanisms to remove any gaps between gears. By applying a controlled axial load to the gears, the meshing teeth remain in constant contact, eliminating backlash and enhancing precision.

3. Stiffness and Rigidity: Servo gearboxes are designed to be stiff and rigid, which helps minimize elastic deformation under load. This stiffness prevents gear teeth from deflecting, reducing the potential for backlash and maintaining accurate positioning.

4. High Gear Meshing Quality: The manufacturing process of servo gearboxes focuses on producing high-quality gears with precise tooth profiles and minimal manufacturing variations. This ensures consistent and smooth gear meshing, minimizing the likelihood of backlash.

5. Closed-Loop Control: Combining servo gearboxes with closed-loop control systems allows for real-time feedback on position and speed. Any deviation from the desired position can be quickly corrected by adjusting the motor’s output, compensating for any inherent backlash and ensuring precise positioning.

6. Advanced Gear Coatings: Some servo gearboxes incorporate advanced gear coatings or treatments that improve the meshing characteristics and reduce friction. This contributes to smoother gear engagement and minimizes backlash effects.

7. Inertia Matching: Properly matching the inertia of the load to the servo motor and gearbox combination reduces the likelihood of overshooting or oscillations during positioning. Accurate inertia matching enhances the control system’s ability to maintain precise positioning.

Servo gearboxes’ ability to handle backlash and ensure precise positioning is crucial for applications that require high accuracy, such as robotics, CNC machines, and automated manufacturing processes. By employing advanced design techniques and technologies, servo gearboxes contribute to achieving repeatable and accurate motion control.

servo gearbox

Contribution of Servo Gearboxes to Energy Efficiency in Automated Systems

Servo gearboxes play a crucial role in enhancing energy efficiency in various automated systems by addressing several key aspects:

1. Precise Control: Servo gearboxes enable precise and accurate control over motion, allowing automated systems to perform tasks with minimal wastage of energy. Precise positioning reduces the need for unnecessary movements and adjustments.

2. Variable Speed Operation: Servo gearboxes offer the flexibility to operate at different speeds based on the application’s requirements. This capability ensures that the system uses only the necessary amount of energy for a given task, avoiding excessive power consumption.

3. Reduced Inertia: Servo gearboxes are designed to minimize inertia, which is the resistance to changes in motion. Lower inertia results in quicker response times and less energy required to accelerate or decelerate moving parts.

4. Regenerative Braking: Some servo systems are equipped with regenerative braking mechanisms. During deceleration or braking, energy generated is fed back into the system or stored for later use, reducing energy wastage.

5. Dynamic Load Management: Servo gearboxes can adapt to varying load conditions in real-time. They adjust torque and speed based on the load, optimizing energy usage and preventing overconsumption of power.

6. Reduced Heat Generation: Efficient servo gearboxes produce less heat during operation, leading to lower energy losses. This reduction in heat generation contributes to overall energy efficiency and extends the lifespan of components.

7. Smart Control Algorithms: Modern servo systems incorporate intelligent control algorithms that optimize the use of energy. These algorithms manage power distribution, minimize idle time, and synchronize movements for optimal efficiency.

8. Energy Recovery: In certain applications, servo gearboxes can capture and reuse energy that would otherwise be dissipated as heat. This energy recovery further contributes to the overall energy efficiency of the system.

9. Low Friction Designs: Servo gearboxes often incorporate low-friction components and efficient lubrication systems to minimize energy losses due to friction.

10. Matched Components: Properly matched servo gearbox and motor combinations ensure that the system operates at its peak efficiency point, minimizing energy consumption.

By incorporating these energy-saving features and capabilities, servo gearboxes enhance the energy efficiency of automated systems, making them more environmentally friendly and cost-effective over the long term.

servo gearbox

Benefits of Using a Servo Gearbox for Precise Motion Control

Servo gearboxes offer several advantages when it comes to achieving precise motion control in various applications:

1. Accuracy: Servo gearboxes provide exceptional accuracy in speed and position control, making them suitable for applications that require tight tolerances and precise movements.

2. Low Backlash: These gearboxes are designed to minimize backlash, which is essential for eliminating lost motion and ensuring accurate positioning.

3. High Torque Density: Servo gearboxes offer a high torque-to-size ratio, allowing them to handle significant loads while maintaining a compact footprint.

4. Dynamic Performance: They excel in dynamic performance, enabling rapid changes in speed and direction with minimal overshoot or settling time.

5. Responsiveness: Servo gearboxes respond quickly to control signals, making them ideal for applications that require rapid adjustments and changes in direction.

6. Smooth Operation: These gearboxes provide smooth and precise movement, critical for applications like robotics, where jerky or uneven motion can lead to inaccuracies or damage.

7. Reduces Maintenance: The accuracy and durability of servo gearboxes can reduce wear and tear on other components, leading to lower maintenance requirements.

8. Improved Efficiency: Servo gearboxes offer high efficiency in power transmission, contributing to energy savings and minimizing heat generation.

9. Customization: They can be tailored to specific application needs, including factors like reduction ratios, mounting options, and feedback compatibility.

10. Versatility: Servo gearboxes find application in various industries, including robotics, CNC machining, medical equipment, and automation.

Overall, the benefits of using a servo gearbox for precise motion control make them an essential component in applications that demand accuracy, responsiveness, and reliable performance.

China Good quality High Precision High Torque Ratio 100: 1 Transmission Parts Planetary Gearbox for Servo Motor   gearbox adjustment	China Good quality High Precision High Torque Ratio 100: 1 Transmission Parts Planetary Gearbox for Servo Motor   gearbox adjustment
editor by CX 2024-05-14