China best CZPT universal High Precision Planetary Gearbox, Economical Right-Angle Output Planetary Gearbox,  high torque, specially equipped with servo motor gearbox definition

Product Description

PLDR/PLDR+90 Level 2

STAGE Level Level 2
Reduction ratio i 15 16 20 25 30 35 40 50 60 70 80 100
Rated output torque T2N Nm 130 135 110 145 145 135 125 110 140 135 110 110 1185 1195 974 1260 1260 1195 1012 974 1239 1195 974 974
Emergency braking torque
Allow 1000 times in the working life of the gearbox
T2NOt Nm 3 x NOM.Output
Rated input speed
(T2N, 20°C ambient temperature)
N 1n rpm 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000
Maximum input speed n 1max rpm 6000 6000 6000 6000 6000 6000 6000 6000 6000 6000 6000 6000
Maximum return clearance jt arcmin PLDR60≤8ARCMIN   PLDR+60≤5ARCMIN  Custom made≤3ARCMIN
No-load torque
(nt=3000rmp, gearbox 20°C)
T 012 Nm 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.1 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 10.0
Torsional rigidity C t21 Nm/ arcmin 10 / arcmin 89
Maximum radial force F 2AMAX N 2500
lbf 550
Maximum axial force F 3RMAX N 2000
  lbf 450
Maximum roll torque M 2KMax Nm 236 2089
Working life Lh hr ≥20000
Efficiency at full load η % 92
Ambient temperature ºC -15~40
F 5~104
The maximum allowable temperature of the shell ºC +90
F 194
Lubricating   Life Lubrication
The direction of rotation   Input and output in the same direction
Protection level   IP65
Installation direction   Any
Working noise              (i=10 and n1=3000rpm no load) LPA              dB(A) ≤58
Rotary inertia J1 Kg.cm2 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1 3.60 3.60 3.60 3.60 3.60 3.60 3.60 3.60 3.60 3.60 3.60 3.60

Quick selection of size
  PLDR(figure: i=4)                                                                                                     PLDR/PLDRHIGH PRECISION(figure: i=4)            
  Applicable to periodic working days (ED≤60%)                                                       Applicable to periodic working days (ED≤60%)

Design & technology

Technical services:

  • According to the relevant parameters provided by the customer, the CHINAMFG engineering software is used to create the motion load curve diagram of the mechanism equipment to obtain the corresponding parameters and derive the motion load curve. Intuitively display important parameters and load indexes in the transmission system to help customers carry out reasonable structural design.
  • SIGRINER provides a motor database from 500 servo motor manufacturers worldwide

Customer training:
We are honored to provide you with our applied computing and transmission design expertise. We can provide relevant training according to your needs.  

Technical testing center

Industry application

  • We provide fast supply and strong support all over the world through a complete sales and service network
  • With years of rich experience, our authoritative experts provide market-leading consulting services for various industrial sectors
  • Robotics, automation and manipulator technology

A variety of servo gearboxes and mechanical transmission systems, from economical to high-end models; can be applied to various robots and their auxiliary axes, such as transmission shafts and station control devices

  • Printing machine 

Innovative gearbox ensures stability, synchronization accuracy and long-term accuracy even at high speeds
The perfect solution for high-quality printing processes and other continuous duty applications
Option: integrated sensor for monitoring paper tension and similar parameters

  • Machine tools and manufacturing systems

High precision, stable operation and high efficiency are all derived from stable, zero backlash and high rigidity mechanical system solutions, such as the application of products on feed, rotation and auxiliary axes

  • Food and packaging machinery 

A series of gearboxes specially designed for various shafts used in the field of packaging technology (including gearboxes with anti-corrosion design)-can maximize work efficiency, mechanical flexibility and cycle speed

  • Textile machine 

Features of CHINAMFG Precision planetary gearbox

  • Very high power density, torque increased by 40%
  • Easy motor installation, optional installation with length compensation
  • Flexible installation, the gearbox can be installed vertically, horizontally, and up or down together with the driven shaft
  • Very high positioning accuracy, return clearance is less than arc minutes
  • Through helical gear meshing, the operation is stable, and the running noise is less than 50dB-A
  • The world’s leading life expectancy, and the raw materials and mechanism of the seal ring have been optimized


Application: Motor, Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Type: Planetary Gear Reducer

servo gearbox

Compatibility of Servo Gearbox with a Specific Motor

The compatibility between a servo gearbox and a specific motor depends on several key factors:

1. Mounting Configuration: The mounting interface of the servo gearbox and motor must be compatible. This includes the type of coupling, flange size, and bolt pattern. Proper alignment ensures efficient power transmission and minimizes mechanical stress.

2. Shaft Diameter and Keyway: The diameter and keyway of the motor shaft must match the input shaft of the servo gearbox. A precise fit prevents slippage and ensures accurate torque transmission.

3. Torque and Speed Ratings: The torque and speed requirements of the application should align with the torque and speed ratings of both the motor and gearbox. Oversizing or undersizing either component can lead to inefficient operation and premature wear.

4. Inertia Matching: Inertia matching between the motor and gearbox helps prevent resonance and oscillations in the system. An appropriate inertia match ensures smooth and precise motion control.

5. Backlash and Stiffness: The gearbox’s backlash (play in the gears) and stiffness characteristics should match the application’s requirements. Low backlash and high stiffness are crucial for accurate positioning tasks.

6. Efficiency and Heat Dissipation: The combined efficiency of the motor and gearbox affects the overall system efficiency. Inadequate efficiency can lead to energy losses and excessive heat generation.

7. Service Life and Maintenance: Compatibility also involves considering the expected service life and maintenance requirements. A well-matched motor-gearbox combination enhances the durability and reliability of the motion control system.

8. Control and Feedback: The control system’s capabilities, such as closed-loop control and feedback devices, play a role in determining compatibility. The motor and gearbox should provide the necessary interfaces for effective integration into the control system.

Manufacturers and engineers often provide guidelines and compatibility charts to assist in selecting the right servo gearbox for a specific motor. Considering these factors ensures optimal performance, efficiency, and longevity of the motion control system.

servo gearbox

Precision of Gear Tooth Profiles in Servo Gearboxes

Manufacturers take several measures to ensure the precision of gear tooth profiles in servo gearboxes:

1. Advanced Manufacturing Processes: Manufacturers use advanced machining techniques such as CNC (Computer Numerical Control) machining and grinding to achieve high precision in gear tooth profiles. These processes allow for accurate shaping and finishing of the gear teeth.

2. Quality Materials: High-quality materials with consistent properties are selected for manufacturing gear components. This ensures uniformity in the gear teeth and minimizes variations that could affect precision.

3. Tight Tolerances: Manufacturers set tight tolerances for gear tooth dimensions, including pitch, profile, and helix angle. This helps to maintain precise engagement between gear teeth, reducing backlash and ensuring accurate motion control.

4. Quality Control: Rigorous quality control measures are implemented at various stages of the manufacturing process. This includes inspections, measurements, and tests to verify that gear tooth profiles meet the required specifications.

5. CNC Gear Inspection: Manufacturers use CNC gear inspection machines that can measure and analyze gear tooth profiles with high accuracy. These machines generate detailed reports about tooth geometry, ensuring compliance with design specifications.

6. Computer-Aided Design (CAD) and Simulation: Manufacturers use CAD software to design gear tooth profiles with precision. Simulation tools analyze how different factors, such as material properties and manufacturing processes, affect the final gear tooth shape.

7. Profile Corrections: In some cases, manufacturers apply profile corrections to optimize gear tooth profiles. These corrections compensate for any deviations that may occur during the manufacturing process.

8. Feedback from Application: Manufacturers often collaborate closely with end-users to gather feedback on the performance of gearboxes in real-world applications. This feedback helps refine the manufacturing process and improve the precision of gear tooth profiles.

The combination of advanced manufacturing techniques, strict quality control, and continuous improvement processes ensures that servo gearboxes maintain the precision required for accurate motion control in various applications.

servo gearbox

Servo Gearbox: Function in Motion Control Systems

A servo gearbox is a specialized type of gearbox designed to work in conjunction with servo motors to achieve precise motion control in various applications. It functions as follows:

Motion Synchronization: A servo gearbox is used to synchronize the motion of a servo motor with the intended motion of a mechanical system. It ensures that the motor’s rotational output is accurately transmitted to the driven component.

Speed and Position Control: Servo gearboxes enable precise control over speed and position by converting the high-speed, low-torque output of a servo motor into a lower-speed, higher-torque output suitable for the specific application.

Reduction Ratio: The servo gearbox incorporates reduction stages to achieve the desired reduction ratio. This reduction allows the motor to provide higher torque while maintaining accurate speed control.

Backlash Minimization: High-precision servo gearboxes are designed to minimize backlash, which is the lost motion between input and output shafts. This is critical for accurate and responsive motion control.

High Efficiency: Servo gearboxes are designed for high efficiency to ensure that the majority of input power is effectively transferred to the output, reducing energy consumption.

Dynamic Response: Servo gearboxes enhance the dynamic response of motion control systems. They allow the servo motor to quickly start, stop, and change directions with minimal overshooting or oscillations.

Positioning Accuracy: By accurately converting the motor’s rotation into precise linear or angular movement, servo gearboxes ensure high positioning accuracy required in applications such as robotics, CNC machines, and automation systems.

Load Distribution: Servo gearboxes distribute the load evenly across gear teeth, enhancing the gearbox’s durability and minimizing wear.

Customization: Servo gearboxes are available in various sizes, reduction ratios, and configurations to suit different application requirements.

Overall, a servo gearbox is an integral component in motion control systems, allowing precise and efficient control over motion, speed, and position for a wide range of industrial applications.

China best CZPT universal High Precision Planetary Gearbox, Economical Right-Angle Output Planetary Gearbox,  high torque, specially equipped with servo motor   gearbox definition		China best CZPT universal High Precision Planetary Gearbox, Economical Right-Angle Output Planetary Gearbox,  high torque, specially equipped with servo motor   gearbox definition
editor by CX 2023-10-20