China wholesaler High Precision Planetary Gear Reducer 4000 Rpm Servo Motor Planetary Gearbox gearbox engine

Product Description

 High precision PLF PLE series Planetary Gearbox for flange Servo Motor

Product name Precision Planetary Reducer
Model No. AB42-AB220
Layout form Planetary structure
Speed ratio 3-512
Output torque 20-1500N.M
Power 50W~30KW
Input speed 0~4000RPM
Output speed 0~1300RPM
Output type Shaft type
Installation  Flange mounting


Description of planetary gearbox:
es: PLE, PLF
2) Gearbox outline dimension: 60, 80, 90,120, 160
3) Reduction ratio: 3, 4, 5, 7, 10, 9, 12, 16, 20, 28, 35, 40, 50,64, 70, 80, 100, 125, 140, 175,200, 250, 350, 400,500,700,1000.
4) Lubrication: Lifetime lubrication
5) Input speed: 3000- 8000rpm
6) Life: >20, 000 hours
7) Backlash: Stage 1: <10(arcmin)
Stage 2: <15(arcmin)
Stage 3: <22 (arcmin)
8) Operating temperature: -25°C to +90°C

Low backlash Planetary Gearbox for ECMA CZPT Servo Motor Main Features:

1. low backlash
2. high output torque-the industry’s highest torque density
3. balanced motor pinion
4. high efficiency(up to 98%)
5. ratio 3:1 to 1000:1
6. low noise
7. operable in any mounting positions
8. lifetime lubrication

Detailed Image

ParametersPLE planetary gearbox for servo motor




PLE /PLF 60, 80, 90, 120, 160

4 optional sizes

60mm, 90mm, 120mm, 160mm

Rated Torque


Gear Ratio One-stage

3, 4, 5, 7, 10

Gear Ratio Two-stage

12, 16, 20, 25, 28, 35, 40, 50, 70

Gear Ratio Three-stage

80, 100, 125, 140, 175, 200, 250, 280, 350


Note : It’s just the typical technical data for you reference, The specification such as voltage, speed, torque, shaft ,speed ratio can customized.

Product Overview


PLE series spur gear planetary gear motor

Product application scenarios

Product Description

Precision planetary gear reducer is another name for planetary gear reducer in the industry. Its main transmission structure is planetary gear, sun gear and inner gear ring.

Compared with other gear reducers, precision planetary gear reducers have the characteristics of high rigidity, high precision (single stage can achieve less than 1 point), high transmission efficiency (single stage can achieve 97% – 98%), high torque/volume ratio, lifelong maintenance-free, etc. Most of them are installed on stepper motor and servo motor to reduce speed, improve torque and match inertia.

Company Profile




servo gearbox

Contribution of Servo Gearboxes to Smooth Acceleration and Deceleration

Servo gearboxes play a crucial role in ensuring smooth acceleration and deceleration of machinery in motion control systems:

1. Precise Control: Servo gearboxes provide precise control over the rotational speed and torque of the output shaft. This control allows for gradual and controlled changes in speed, resulting in smooth acceleration and deceleration.

2. Feedback Mechanism: Servo systems typically incorporate feedback devices such as encoders or resolvers. These devices continuously monitor the actual position and speed of the output shaft and provide real-time feedback to the controller. This feedback enables the controller to adjust the input signals to the servo gearbox, ensuring accurate and smooth motion transitions.

3. Dynamic Response: Servo gearboxes are designed for high dynamic response, meaning they can quickly adjust their speed and torque based on the controller’s commands. This responsiveness allows for rapid and smooth changes in speed and direction without sudden jerks or jolts.

4. Programmable Profiles: Many servo systems offer the capability to program acceleration and deceleration profiles. Engineers can define specific acceleration and deceleration curves tailored to the application’s requirements. These profiles ensure that the machinery achieves the desired speed changes gradually and smoothly.

5. Reduced Wear and Tear: The controlled and gradual acceleration and deceleration provided by servo gearboxes reduce the wear and tear on mechanical components. Sudden changes in speed can lead to shock loads and vibration, potentially damaging the machinery. Servo gearboxes help mitigate these effects, extending the lifespan of components.

6. Increased Productivity: Smooth acceleration and deceleration reduce the chances of product damage, improve product quality, and enhance the overall efficiency of the process. This is particularly important in applications where precise motion control is critical.

Overall, servo gearboxes contribute to the seamless acceleration and deceleration of machinery by providing accurate control, dynamic responsiveness, and programmable motion profiles. These features ensure that machinery can achieve the desired speed changes while maintaining precision, efficiency, and longevity.

Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Planetary
Step: Single-Step
Type: Gear Reducer
US$ 100/Piece
1 Piece(Min.Order)

Request Sample

servo gearbox

Variations in Servo Gearbox Designs

Servo gearboxes come in various designs to meet different torque and speed requirements:

In-Line: In-line servo gearboxes have the input and output shafts aligned in a straight line. These gearboxes are compact and well-suited for applications where space is limited. They can handle a range of torque and speed requirements, making them versatile for various motion control tasks.

Right-Angle: Right-angle servo gearboxes have the input and output shafts oriented at a 90-degree angle. These gearboxes are used when the input and output directions need to change direction, such as in applications with limited space or when the motion needs to be redirected.

Planetary: Planetary servo gearboxes use a planetary gear arrangement to achieve high torque density and compactness. They are suitable for applications requiring high torque transmission with minimal backlash. Planetary gearboxes are commonly used in robotics, CNC machines, and industrial automation.

Harmonic Drive: Harmonic drive servo gearboxes utilize a flexible spline and a wave generator to achieve high gear reduction ratios while maintaining compact size. They offer exceptional accuracy and are often used in applications requiring precise positioning, such as telescope mounts and semiconductor manufacturing equipment.

Helical: Helical servo gearboxes use helical gear teeth to achieve smooth and quiet operation. They are well-suited for applications that require low noise levels and high efficiency. Helical gearboxes are used in various industries, including packaging, printing, and medical devices.

Custom Designs: Some servo gearboxes are custom-designed to meet specific requirements of unique applications. These designs may involve modifications in gear ratios, housing materials, and sealing to ensure optimal perforservo gearbox

Handling Sudden Changes in Direction and Speed with Servo Gearboxes

Servo gearboxes are designed to handle sudden changes in direction and speed effectively, ensuring precise motion control even during dynamic operations. They employ several mechanisms to address these challenges:

1. Acceleration and Deceleration Profiles: Servo systems can be programmed with specific acceleration and deceleration profiles. This means that when a sudden change in speed or direction is commanded, the system can ramp up or down the speed smoothly, reducing the impact of sudden changes on the mechanical components.

2. Closed-Loop Control: Servo systems operate in a closed-loop configuration, where feedback sensors continuously monitor the actual position and speed of the system. When a sudden change is commanded, the controller can make real-time adjustments to ensure the system reaches the desired position accurately and smoothly.

3. Torque Control: Servo gearboxes are designed to provide high torque output even at low speeds. This is crucial for handling sudden changes in direction and speed, as the gearbox can deliver the required torque to quickly accelerate or decelerate the load.

4. Dynamic Response: Servo systems have fast dynamic response capabilities, which means they can quickly adapt to changes in input commands. This responsiveness allows the system to handle sudden changes in direction and speed without sacrificing accuracy or stability.

5. Electronic Damping: Some advanced servo systems incorporate electronic damping mechanisms that can be adjusted based on the application’s requirements. This feature helps dampen vibrations and oscillations that may occur during sudden changes in motion.

6. Overcurrent and Overvoltage Protection: Servo systems are equipped with protection mechanisms that detect excessive currents or voltages. If a sudden change in direction or speed causes abnormal loads or voltages, the system can take corrective actions to prevent damage.

Overall, servo gearboxes excel in handling sudden changes in direction and speed by leveraging their closed-loop control, high torque output, and fast dynamic response capabilities. These features allow them to provide accurate and reliable motion control in dynamic and rapidly changing operating conditions.

mance in specialized tasks.

The choice of servo gearbox design depends on factors such as the required torque, speed, space constraints, efficiency, and precision. Manufacturers offer a range of options to cater to the diverse needs of motion control systems in different industries.

China wholesaler High Precision Planetary Gear Reducer 4000 Rpm Servo Motor Planetary Gearbox   gearbox engineChina wholesaler High Precision Planetary Gear Reducer 4000 Rpm Servo Motor Planetary Gearbox   gearbox engine
editor by CX 2023-09-04