Overview of TFK060 Series High Precision Planetary Gearbox Helical Gear Reducer

The TFK060 Series High Precision Planetary Gearbox Helical Gear Reducer, also known as servo motor planetary gearbox and low backlash planetary gearbox, is a high precision gearbox designed for industrial automation equipment that requires accurate speed control and positioning. The gearbox is widely used in various fields, including robotics, medical equipment, aerospace, precision instruments, automotive manufacturing and logistics automation.

Basic Construction of High Precision Planetary Gearbox

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

• Sun Gear: located at the center of the planetary gearbox, usually connected to the input shaft or fixed on the housing as a stationary element.
• Planet Gears: revolve around the sun gear and are supported and maintained in their relative positions by the planet carrier. Each planet gear engages with both the sun gear and the internal gear, and collectively they share and distribute the load when power is applied.
• Planet Carrier: a structure with multiple planet gear shaft holes that supports the planet gears and allows them to rotate relative to the sun gear. The planet carrier can act as an output element or be connected to another shaft to transmit or receive torque.
• Ring Gear/Annulus: a large-diameter circular gear fixed inside the housing, with teeth on both its inner and outer surfaces which engage with the planet gears. In some applications, the internal gear can also serve 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 the various components.
• Housing: a sturdy structure that encloses all internal components, providing a stable support environment for the gears. It also protects the interior from external 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 through keys to transmit power, ensuring precise torque transmission and axial positioning.
• Seals: seals are used to prevent lubricating oil leakage and contaminants from entering the gearbox, ensuring internal cleanliness and good lubrication.

Working Principle of High Precision Planetary Gearbox

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

• 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 due to both engaging with the sun gear and internal gear. As a result of the collective action of multiple sets of planet gears, the load of the entire system is evenly distributed, significantly increasing the torque at the output end to achieve torque amplification.
• Speed and Gear Ratio Control: by adjusting the gear ratio between the sun gear, planet gears, and internal 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 difference in the number of teeth between the sun gear and internal gear is larger, the gear ratio increases, the output speed decreases, and the torque increases accordingly.
• Low Backlash Characteristics: high precision planetary gearbox focuses on reducing or eliminating the clearance between gears, known as "zero/low backlash". This is typically achieved through precise machining, preloading techniques, and component selection, ensuring high motion accuracy and smoothness under any load.
• Dynamic Response and Stability: due to the even load distribution and multiple contact points, high precision planetary gearbox provides good dynamic performance, including fast response, stable operation, and durability under heavy loads.

Design and Selection Considerations for High Precision Planetary Gearbox

The design and selection considerations for high precision planetary gearbox include the following factors:

Applications of High Precision Planetary Gearbox

The High Precision Planetary Gearbox is widely used in various fields, including:

• Industrial automation equipment such as robotics, precision machine tools, and semiconductor manufacturing equipment.
• Medical equipment such as CT scanners, MRI machines, and surgical robots.
• Aerospace applications such as aircraft landing gear, flight control systems, and satellite attitude adjustment devices.
• Precision instruments such as scientific experimental equipment, precision measuring instruments, and optical tracking systems.
• Automotive manufacturing such as new energy vehicle power steering systems, electric vehicle drive units, and high-performance racing transmission systems.
• Logistics automation such as automated storage systems, lifters, conveyors, and AGVs (Automated Guided Vehicles).

About Our Company

We are a professional manufacturer of power transmission equipment, located in Hangzhou, Zhejiang. Our company operates strictly according to the international quality management system standard ISO9001:2008, and our products have passed the mandatory CCC certification in China and the CE certification of the European Community. Our products are manufactured according to international IC standards and have reached the advanced level of similar products.

Our Advantages

• Advanced technology and equipment to ensure high quality products.
• Strict quality control system to ensure that each product meets customer requirements.
• Professional technical team to provide customers with comprehensive solutions and support.
• Reasonable price and timely delivery.
• Excellent after-sales service.
• Long-term cooperation with well-known companies in various industries.

Author: Miya