TFR090 Series High Precision Planetary Gearbox Helical Gear Reducer

TFR090 Series High Precision Planetary Gearbox Helical Gear Reducer

Overview

The TFR090 Series High Precision Planetary Gearbox Helical Gear Reducer is a type of gear reducer that is commonly used in industrial automation equipment for precise speed control and positioning. It is also known as servo motor planetary gearbox and low backlash planetary gearbox. This gearbox has a compact design and a high torque capacity, making it suitable for a wide range of applications. Below is an image of the TFR090 Series High Precision Planetary Gearbox Helical Gear Reducer:

Basic Construction

The basic construction of a high precision planetary gearbox includes the following components:

1. 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.
2. Planet Gears: The planet gears rotate around the sun gear and are supported and kept in their relative positions by the planet carrier. Each planet gear meshes with both the sun gear and the ring gear. When power is input, they jointly bear and distribute the load.
3. Planet Carrier: The planet carrier is 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.
4. Ring Gear/Annulus: The ring gear is a large diameter circular gear fixed inside the housing with teeth on both inner and outer surfaces. It meshes with the planet gears. In some applications, the ring gear can also serve as an input or output end.
5. Bearings and Shaft System: The bearings in a high precision planetary gearbox support the input and output shafts as well as the planet carrier, ensuring stable rotation and smooth operation between components.
6. Housing and Seals: The housing is the external frame of the entire gearbox, which protects the internal components from external environmental influences and provides installation interfaces. Seals ensure that internal grease does not leak and prevent dust and moisture from entering the gearbox.

Below is an image of a high precision planetary gearbox:

Working Principle

The working principle of a high precision planetary gearbox includes the following:

1. Torque Transmission: When power is input to the sun gear, the planet gears around the sun gear rotate. Since the planet gears mesh with both the sun gear and the ring gear, they perform self-rotation on their own axis while revolving around the center of the sun gear with the planet carrier. In this way, the torque input to the sun gear is amplified through the planet gears and evenly distributed to the planet carrier at the output end.
2. Speed Conversion and Torque Amplification: By adjusting the gear ratio of different components, speed conversion and torque amplification between input and output can be achieved. Generally, when the number of planet gears increases or the gear ratio increases, the effect of torque amplification is more significant, but the output speed will decrease at the same time.
3. Low Backlash Design: In high precision applications, to ensure accurate position control and minimal mechanical clearance, high precision planetary gearboxes adopt preload technology to reduce or eliminate gear clearance, which is called a "zero/low backlash" design.
4. Load Distribution and Dynamic Response: One of the important advantages of a planetary gear mechanism is that it can distribute the load evenly among multiple planet gears, thereby improving the load-bearing capacity and stability of the entire system, and optimizing dynamic response performance.

Below is an image of a high precision planetary gearbox factory:

Design and Selection Considerations

The design and selection considerations for a high precision planetary gearbox include:

Applications

The high precision planetary gearbox is widely used in the following fields:

1. Servo Motor Systems: Used in industrial automation equipment for precise speed control and positioning, such as robot joint drives, precision machine tool feed mechanisms, and semiconductor manufacturing equipment.
2. Medical Devices: Used in high-end medical equipment such as CT scanners, MRI machines, and surgical robots for accurate motion control and torque amplification.
3. Aerospace: Used in aircraft landing gear retraction systems, flight control system actuators, and satellite attitude adjustment devices that require high reliability and precision.
4. Precision Instruments: Used in scientific experimental equipment, precision measuring instruments, optical tracking systems, and other scenarios that require high transmission accuracy.
5. Automotive Manufacturing: Used in power steering systems for new energy vehicles, drive units for electric vehicles, and transmission systems for high-performance racing cars.
6. Robotics: Used in joint drive parts of industrial robots, service robots, and special operation robots.
7. Logistics Automation: Used in automatic storage systems for elevators, conveyor belt drives, and AGVs (Automated Guided Vehicles).

About Our Company

We are a professional manufacturer of power transmission equipment located in Ningbo, Zhejiang. We specialize in the research, production, and sales of high-quality gearboxes. Our products have obtained the China Compulsory Certification (CCC) and the European Union CE certification. They are produced according to international standards and meet the advanced level of similar international products.

Our advantages include:

• Strict adherence to international quality management system standards
• Advanced production technology and equipment
• Professional technical team and customer service team
• Fast and efficient delivery and after-sales service

Author: Miya