TNR180 Series High Precision Planetary Gearbox Helical Gear Reducer

TNR180 Series High Precision Planetary Gearbox Helical Gear Reducer Overview

The TNR180 Series High Precision Planetary Gearbox Helical Gear Reducer is a type of gearbox used in industrial automation equipment for precise speed control and position positioning. It is also known as servo motor planetary gearbox and low backlash planetary gearbox. The product is shown in the following image:

Basic Structure of High Precision Planetary Gearbox

The High Precision Planetary Gearbox consists of the following components:

• Sun Gear: The sun gear is located at 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 rotate around the sun gear and are supported and held in relative position to each other by the planet carrier. Each planet gear meshes with both the sun gear and the ring gear, and they collectively bear and distribute the load when power is input.
• Planet Carrier: The planet carrier is a structure with multiple planet gear shaft holes, which 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 be connected to 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 its inner and outer surfaces meshing with the planet gears. In some applications, the ring gear can also be used as an input or output end.
• Bearings and Shaft System: The bearings in the high precision planetary gearbox support the input shaft, output shaft, and planet carrier, ensuring stable rotation and smooth operation between all components.
• 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 the internal lubricant does not leak and prevent dust and moisture from entering the gearbox.

The basic structure of High Precision Planetary Gearbox is shown in the following image:

Working Principle of High Precision Planetary Gearbox

The working principle of High Precision Planetary Gearbox can be explained as follows:

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 rotate on their own axis while also revolving around the center of the sun gear via the planet carrier. In this way, the torque input to the sun gear is amplified 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 between input and output as well as torque amplification can be achieved. Generally, as the number of planet gears or gear ratio increases, the effect of torque amplification becomes more significant, but the output speed decreases at the same time.
3. Low Backlash Design: In high precision applications, in order to ensure precise position control and minimal mechanical clearance, high precision planetary gearboxes adopt preload technology to reduce or eliminate the clearance between gears, known as "zero/low backlash" design.
4. Load Distribution and Dynamic Response: An important advantage of the planetary gear mechanism is that it can evenly distribute the load among multiple planet gears, thereby increasing the bearing capacity and stability of the entire system, and optimizing dynamic response performance.

The working principle of High Precision Planetary Gearbox is shown in the following image:

Design and Selection Considerations for High Precision Planetary Gearbox

The following table lists the design and selection considerations for High Precision Planetary Gearbox:

Applications of High Precision Planetary Gearbox

The High Precision Planetary Gearbox has a wide range of applications, 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, and semiconductor manufacturing equipment.
• Medical equipment: Used in high-end medical equipment such as CT scanners, MRI machines, and surgical robots for precise motion control and torque amplification.
• Aerospace: Used in landing gear retracting systems, flight control system actuators, and satellite attitude adjustment devices requiring high reliability and precision.
• Precision instruments: Used in scientific experimental equipment, precision measuring instruments, and optical tracking systems that require extremely high transmission accuracy.
• Automotive manufacturing: Used in power steering systems for new energy vehicles, drive units for electric vehicles, and transmission systems for high-performance racing cars.
• Robotics: Includes joint drive parts in industrial robots, service robots, and special operation robots.
• Logistics automation: Used in automatic storage systems such as elevators, conveyor drive systems, and AGVs (automatic guided vehicles).

The applications of High Precision Planetary Gearbox are shown in the following image:

About Our Company

We are a professional manufacturer of transmission equipment located in Ningbo, Zhejiang. Our company strictly follows the international quality management system standard ISO90012015, and our products have passed China's mandatory CCC certification and the European Union's CE certification. Our products are produced according to international IC standards and have reached the advanced level of similar products worldwide. Our factory is shown in the following image:

Our advantages include:

• Professional and experienced team
• Strict quality control system
• Advanced production equipment and technology
• Wide range of products and customization services
• Excellent after-sales service

Author: Miya