TMR060 Series High Precision Planetary Gearbox Helical Gear Reducer

Overview

TMR060 Series High Precision Planetary Gearbox Helical Gear Reducer is a type of gearbox used to transmit power between shafts. It is also known as servo motor planetary gearbox and low backlash planetary gearbox. The gearbox has a compact design and provides high precision, high torque capacity, and low backlash. It is commonly used in industrial automation equipment, robotics, and medical devices. The following image shows the TMR060 Series High Precision Planetary Gearbox Helical Gear Reducer:

Basic Construction of High Precision Planetary Gearbox

The high precision planetary gearbox consists of several components:

• Sun Gear: Located at the center of the planetary gearbox, usually connected to the input shaft or fixed to the housing as a stationary component.
• Planet Gears: Orbit around the sun gear and supported by the carrier to maintain their relative positions. Each planet gear meshes with both the sun gear and the ring gear, and they share and distribute the load together.
• Planet Carrier: A structure with multiple planet gear shaft holes that carries the planet gears and allows them to rotate relative to the sun gear. The planet carrier can be used as an output element or connected to another shaft to transmit or receive torque.
• Ring Gear/Annulus: Fixed inside the gearbox housing, a large diameter ring gear with teeth on the inner and outer surfaces that mesh with the planet gears. In some applications, the ring gear can also be used as an input or output end.
• Bearings and Shaft System: Bearings support the input shaft, output shaft, and planet carrier to ensure stable rotation and smooth operation of the components.
• Housing: A sturdy structure that encloses all internal components, provides a stable support environment for the gears, protects the internal components from foreign impurities, and may contain cooling or lubrication systems.
• Shafts and Keys: The input and output shafts are connected to the sun gear or planet carrier via keys to transmit power and ensure precise torque transmission and axial positioning.
• Seals: Seals prevent lubricating oil leakage and contamination from entering the gearbox, ensuring a clean and well-lubricated environment inside.

The following image shows the construction of the high precision planetary gearbox:

Working Principle of High Precision Planetary Gearbox

The working principle of the high precision planetary gearbox includes torque transmission and amplification, speed and gear ratio control, low backlash characteristics, and dynamic response and stability. The following shows the working principle:

1. Torque Transmission and Amplification: When power is transmitted from the input shaft to the sun gear, the sun gear starts to rotate, and the planet gears begin to revolve and rotate, as they mesh with both the sun gear and the ring gear. Due to the combined action of multiple sets of planet gears, the load of the entire system is evenly distributed, which significantly increases the output torque and achieves torque amplification.
2. Speed and Gear Ratio Control: By adjusting the tooth number ratio of the sun gear, planet gears, and ring gear, the speed relationship and gear ratio between the input and output can be precisely controlled. For example, if the number of planet gears is large or the difference in tooth number between the sun gear and the ring gear is large, the gear ratio increases, the output speed decreases, and the torque correspondingly increases.
3. Low Backlash Characteristics: The high precision planetary gearbox pays special attention to reducing or eliminating the clearance between gears, known as "zero/low backlash." This is usually achieved through precision processing, preloading technology, and component selection to ensure high motion accuracy and smoothness under any load.
4. Dynamic Response and Stability: Due to the even load distribution and multiple contact points, the planetary gearbox can provide good dynamic performance, including quick response, stable operation, and durability under heavy loads.

The following image shows the application scenarios of BAF Series High Precision Planetary Gearbox:

Design and Selection Considerations for High Precision Planetary Gearbox

The design and selection of a high precision planetary gearbox should consider the following factors:

Applications of High Precision Planetary Gearbox

The high precision planetary gearbox is widely used in various industries, including:

• Industrial automation equipment, such as robotics and precision machine tools;
• Medical devices, such as CT scanners, MRI machines, and surgical robots;
• Aerospace and aviation, such as aircraft landing gear retraction systems, flight control system actuators, and satellite attitude adjustment devices;
• Precision instruments, such as scientific experimental equipment, precision measurement instruments, and optical tracking systems;
• Automotive manufacturing, such as power steering systems for new energy vehicles, drive units for electric vehicles, and transmission systems for high-performance racing cars;
• Robotics, including joint drive parts in industrial robots, service robots, and special operation robots;
• Logistics automation, such as lifts, conveyor drive units, and AGVs (Automated Guided Vehicles) in automated warehousing systems.

The following image shows the application scenario of BPG Series High Speed Planetary Gearbox:

About Our Company

We are a professional manufacturer of power transmission equipment located in Hangzhou, Zhejiang. We strictly operate according to the international quality management system standard ISO9001:2023 and our products have passed the mandatory CCC certification in China and CE certification in the European Community. Our products are produced according to international IC standards and have reached the advanced level of similar products internationally. The following are the advantages of our company:

• Advanced production technology and equipment;
• Strict quality management system;
• Professional and experienced R&D team;
• Excellent after-sales service;
• Customized solutions for specific applications;
• Reasonable price and prompt delivery.

Author: Miya