TM220 Series High Precision Planetary Gearbox Helical Gear Reducer

Discover the Raydafon Group's TM220 Series High Precision Planetary Gearbox Helical Gear Reducer, engineered for unparalleled accuracy in industrial applications. This gearbox excels with robust materials and advanced design, reducing noise and enhancing efficiency for engineers and manufacturers. It solves complex motion control challenges, offering superior durability and smooth operation. Experience reliable performance and improved productivity—choose the innovative TM220 Series for your demanding machinery needs.

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Product Description

Overview

TM220 Series High Precision Planetary Gearbox Helical Gear Reducer, also known as servo motor planetary gearbox and low backlash planetary gearbox, is a high-precision mechanical transmission device that provides compact, efficient, and reliable power transmission in various industrial and automation applications. The TM220 Series gearbox is designed to handle high torque and high radial loads while maintaining low noise and low backlash. The gearbox is often used in precision motion control systems that require high accuracy, repeatability, and stability.

Basic Structure of High Precision Planetary Gearbox

A High Precision Planetary Gearbox consists of five main components: Sun Gear, Planet Gears, Planet Carrier, Ring Gear/Annulus, Bearings and Shaft System, Housing and Seals. Here is the breakdown of each component:

Sun Gear: The Sun Gear is located at the center of the planetary gearbox and is usually connected to the input shaft or fixed to the housing as a stationary component.
Planet Gears: The Planet Gears rotate around the Sun Gear and are supported and held in position by the Planet Carrier. Each Planet Gear meshes with the Sun Gear and the Ring Gear.
Planet Carrier: The Planet Carrier is a structure with multiple Planet Gear shaft holes. It carries the Planet Gears and allows them to rotate around the Sun Gear. The Planet Carrier can serve as an output element or connect with another shaft to transmit or receive torque.
Ring Gear/Annulus: The Ring Gear is a large diameter circular gear fixed inside the housing with teeth on both the inside and outside surfaces. The Planet Gears mesh with the Ring Gear.
Bearings and Shaft System: The bearings in the High Precision Planetary Gearbox support the input shaft, output shaft, and Planet Carrier to ensure stable rotation and smooth operation between all components.
Housing and Seals: The housing is the external frame of the gearbox that protects the internal components from external environment influences and provides installation interfaces. The seals ensure that the internal lubricant does not leak while preventing dust and moisture from entering the gearbox.

Working Principle of High Precision Planetary Gearbox

The High Precision Planetary Gearbox works on the principle of torque transmission, speed conversion, torque amplification, low backlash design, load distribution, and dynamic response. Here is the explanation of each principle:

Torque Transmission: When power is input to the Sun Gear, the Planet Gears rotate around the Sun Gear. Since the Planet Gears mesh with both the Sun Gear and the Ring Gear, they rotate on their own axis while revolving around the center of the Sun Gear with the Planet Carrier. Thus, the torque input to the Sun Gear is amplified and evenly distributed to the Planet Carrier on the output side through the Planet Gears.
Speed Conversion and Torque Amplification: By adjusting the gear ratio between different components, the High Precision Planetary Gearbox can achieve speed conversion and torque amplification between the input and output sides. Generally, increasing the number of Planet Gears or the gear ratio results in greater torque amplification but at the expense of lower output speed.
Low Backlash Design: In high-precision applications, the High Precision Planetary Gearbox adopts preload technology to reduce or eliminate gear backlash, known as "zero/low backlash" design, to ensure accurate position control and minimal mechanical clearance between components.
Load Distribution and Dynamic Response: One of the significant advantages of the Planet Gear mechanism is that it can distribute the load evenly among multiple Planet Gears, thereby improving the overall carrying capacity and stability of the system and optimizing the dynamic response performance.

Design and Selection Considerations of High Precision Planetary Gearbox

When designing and selecting a High Precision Planetary Gearbox, several factors need to be taken into account, including:

Factors	Explanation
Required torque and speed range	The gearbox should be capable of transmitting the required torque and speed range with sufficient safety margin.
Load characteristics	The gearbox should be able to handle the expected load characteristics, such as constant or intermittent loads, shock loads, and reversing loads.
Environmental conditions	The gearbox should be designed to withstand the expected environmental conditions, such as temperature, humidity, dust, vibration, and corrosive agents.
Mounting and installation	The gearbox should be compatible with the mounting and installation requirements of the application, such as space limitations, alignment, and connection interfaces.
Service life and maintenance	The gearbox should have a sufficient service life and require minimal maintenance during operation, with considerations for lubrication, wear, and repairability.

Application of High Precision Planetary Gearbox

The High Precision Planetary Gearbox has a wide range of applications in various industries and automation systems, including:

Servo motor systems: Used in industrial automation equipment for precise speed control and position positioning, such as robot joint drives, precision machine tool feed mechanisms, semiconductor manufacturing equipment, etc.
Medical equipment: Used in high-end medical equipment such as CT scanners, MRI machines, surgical robots, etc., to achieve precise motion control and torque amplification.
Aerospace: Used in aircraft landing gear retracting systems, flight control system actuators, satellite attitude adjusters, etc., requiring high reliability and precision.
Precision instruments: Used in scientific experimental equipment, precision measuring instruments, optical tracking systems, etc., requiring extremely high transmission accuracy.
Automotive manufacturing: Used in power steering systems of new energy vehicles, drive units of electric vehicles, transmission systems of high-performance racing cars, etc.
Robotics: Used in joint drive parts of industrial robots, service robots, and special operation robots.
Logistics automation: Used in automatic storage systems, lifters, conveyor drivers, AGVs, etc.

Our Company Introduction

We are a professional manufacturer of power transmission equipment based in Ningbo, Zhejiang. Our company specializes in research, development, production, and sales of high-quality transmission solutions, including High Precision Planetary Gearboxes, geared motors, couplings, and other related products.

Our company operates strictly under the lSO90012015 international quality management system standard, and our products have passed the China Compulsory Certification (CCC) and European Union CE Certification. Our products are produced according to international IC standards and reach the advanced level of similar products in the world.

Our advantages include:

Advanced production equipment and technology that ensure high precision, reliability, and efficiency of our products.
Professional and experienced R&D team that can provide customized solutions for various transmission needs.
Strict quality control procedures that guarantee the consistency and stability of our products.
Fast and efficient delivery and after-sales service that ensure customer satisfaction.

Author: Miya

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