What are the characteristics of Planetary reducer gear?

A planetary reducer gear is a key mechanical transmission device, widely used in industrial automation, robotics, and medical equipment. Its core principle involves the planetary gears rotating around a central sun gear. This setup transforms high-speed, low-torque input into low-speed, high-torque output, making it incredibly versatile for various applications.

Advantages

Planetary reducer gears come in different types based on their design and application needs:

Single-stage reducers have a simpler structure but a smaller reduction ratio. Double-stage reducers use a two-stage gear system to achieve a reduction ratio of up to 64 times. Three-stage reducers can reach a reduction ratio of 512 times, making them ideal for high-precision and large reduction ratio requirements. High-performance servo planetary reducers are used in high-precision positioning scenarios, like robot joints.

Due to its high precision and efficiency, planetary reducer gears are widely used in the following fields:

Industrial automation: machine tools, conveyors, packaging machines, etc.

Robot technology: robotic arms, parallel robots, medical devices, etc.

New energy vehicles: electric vehicle power transmission system.

Aerospace: Precision instruments and equipment.

Others: 3D printing equipment, semiconductor manufacturing equipment, etc.

Why choose us?

Since 1994, our company has specialized in manufacturing internal bevel and custom gears, leveraging over three decades of industry expertise to meet ISO 4-6 standards. Our unwavering commitment to quality ensures that each gear is meticulously crafted for unparalleled reliability and exceptional durability. We are confident in our ability to exceed your expectations with customized, high-quality solutions tailored to your specific needs.

Our team includes a distinguished member of the China Gear Standardization Technical Committee with a doctoral degree, and a graduate student specializing in bevel gear research.

We are proud of our advanced CNC seven-axis, five-linkage spiral bevel gear grinding and milling machines at our factory. We also have a full range of cutting-edge production and testing tools, ensuring that every product we manufacture is of the highest quality and exceptional efficiency.

Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Changsha Senjie Gear Co., Ltd (abbreviated as "CSG") in 2016. CSG is a production R&D base specializing in professional design, reserch, manufacture and sales of high-quality small module spiral bevel gears and high reduction hypoid gears and cylindrical gears. In 2023, Hunan Dinghan New Material Technology Co., Ltd. was established as a specialized international export business department. CSG has strong scientific research and development capabilities and is also equipped a full set of advanced equipment including seven-axis five-linkage CNC spiral bevel gear grinding machines and gear milling machines. By making the best use of the scientific and technological achievements and equipment of the Gear Research Institute of Central South University, machanical processing, heat treatment and testing. We have developed high-quality products featuring high reduction, high speed, heavy load, low noise and less teeth for users.

With the quality policy of "scientific and technological innovation, quality first, being first-class firm and customer‘s satisfaction", we have won the trust of well-known domestic and abroad enterprises with stable and excellent quality. It is committed to be a pioneer of the industry of China's small-module spiral bevel gears, and is dedicated to providing service for any related industry requiring industrial robots, CNC turning and milling compound power tool turrets, industrial sewing machines, reducers, bicycles, power tools and aeromodelling. We sincerely look forward to your cooperation!