Overview of TD047 Series High Precision Planetary Gearbox Helical Gear Reducer

TD047 Series High Precision Planetary Gearbox Helical Gear Reducer, also known as servo motor planetary gearbox and low backlash planetary gearbox, is a type of gearbox that is commonly used in industrial automation equipment for precise speed control and position positioning. It is designed to provide high torque output and low backlash, making it ideal for applications that require high precision and stability.

The Basic Structure of High Precision Planetary Gearbox

Sun Gear

The sun gear is located in the center of the planetary gearbox and is typically connected to the input shaft or fixed to the housing as a stationary component.

Planet Gears

The planet gears revolve around the sun gear and are supported and maintained in their relative positions by a carrier. Each planet gear meshes with the sun gear and the ring gear, and they bear and distribute the load together when power is input.

Planet Carrier

The planet carrier is a structure with multiple planet gear shaft holes, and it 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

The ring gear is a large-diameter ring gear fixed inside the gearbox housing, with teeth on both the inner and outer surfaces that mesh with the planet gears. In some applications, the ring gear can also serve as an input or output end.

Bearings and Shaft System

The bearings in the high-precision planetary gearbox are used to support the input shaft, output shaft, and planetary carrier, ensuring stable rotation and smooth operation between the parts.

Housing

The housing is a sturdy structure that encloses all internal components, providing stable support for the gears and protecting the internal components from external impurities. It may also contain cooling or lubrication systems.

Shafts and Keys

The input and output shafts are connected to the sun gear or planetary carrier through a key to transmit power, ensuring precise torque transmission and axial positioning.

Seals

The seals prevent lubricating oil leakage and contaminants from entering the gearbox, ensuring internal cleanliness and good lubrication status.

Working Principle of High Precision Planetary Gearbox

The working principle of the high-precision planetary gearbox is based on the following three factors:

Torque Transmission and Amplification

When power is transmitted from the input shaft to the sun gear, the sun gear starts to rotate. The planet gears mesh with the sun gear and the ring gear and begin to revolve and rotate. Due to the combined action of multiple sets of planet gears, the load of the entire system is evenly distributed, which significantly increases the torque output and achieves torque amplification.

Speed and Gear Ratio Control

By adjusting the gear ratio between 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 there are more planet gears or the number of teeth on the sun gear and ring gear is larger, the gear ratio increases, the output speed decreases, and the torque correspondingly increases.

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 machining, preloading technology, and component selection to ensure high motion accuracy and smoothness under any load.

Design and Selection Considerations of High Precision Planetary Gearbox

Applications of High Precision Planetary Gearbox

The high-precision planetary gearbox is used in a variety of applications, including:

1. Servo motor systems
2. Medical equipment
3. Aerospace and aviation
4. Precision instruments
5. Automotive manufacturing
6. Robotics technology
7. Logistics automation

About Our Company

Our company is a professional manufacturer of transmission equipment, located in Hangzhou, Zhejiang. We operate strictly in accordance with international quality management system standards ISO90012055, and our products have passed the mandatory CCC certification in China and the CE certification of the European Union. Our products are produced according to international standards and have reached the advanced level of similar products in the world.

Our Advantages

• Advanced production technology and high-quality materials
• Strict quality control system and reliable product quality
• Professional technical team and excellent customer service
• Rich experience in transmission equipment manufacturing
• Flexible customization and timely delivery
• Competitive prices and favorable payment terms

Author: Miya