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This section provides an overview for cycloidal reducers as well as their applications and principles. Also, please take a look at the list of 11 cycloidal reducer manufacturers and their company rankings. Here are the top-ranked cycloidal reducer companies as of May, 2025: 1.Onvio LLC, 2.Taixing Reducer Co.,Ltd., 3.DieQua Corporation.
Table of Contents
A cycloidal reducer refers to a type of gear mechanism with a trochoidal curve (a smooth curve) that can efficiently reduce speed with minimal slippage. Compared to gears with rectangular teeth, cycloidal reducers are known for their characteristics of reducing wear, vibration, and extended service life. These reducers are commonly employed in devices that rely on rotational motion, such as motors and pistons.
Their structure typically consists of a large-diameter gear enclosing a smaller-diameter gear, enabling them to achieve high reduction ratios.
Cycloidal reducers find applications in various industries, including industrial robotics, pumps, automotive drives, ship propulsion systems, aircraft propellers, and wind turbine propellers. They play a crucial role in converting rotational motion and torque produced by sources like engine pistons and electric drive motors into torque and speed levels suitable for other equipment. When selecting cycloidal reducers, factors such as reduction ratio, frictional losses, size, and ease of maintenance should be considered.
Cycloidal reducers consist of two mounting shafts, two reduction gears, and bearings supporting the shafts and gears. The gears are designed in the shape of a trochoidal curve, which represents the locus of the outer point of a circle moving smoothly along the curve without slipping. This gear system operates with one gear rotating within another gear.
During operation, rotational motion is transmitted from the shaft with higher speed to the high-speed gear, often an internal gear, which, together with an eccentric bearing, moves along the inner circumference of the external low-speed gear. This motion results in a reduction in speed, with the output shaft delivering lower-speed, higher-torque rotation compared to the input torque.
Some cycloidal reducers incorporate holes in the gears, using external pins or similar mechanisms to reduce the load on the eccentric bearings.
Cycloidal reducers offer several advantages:
Due to these features, they are commonly used as reduction gears in various applications.
Cycloidal reducers use lubricating oil, and it is essential to maintain the proper oil level. Monitoring the oil level with an oil gauge is necessary because the oil volume can fluctuate during operation.
Using too much or too little oil can have adverse effects. Excessive oil may lead to motor-side oil infiltration, leaks, or abnormal temperature increases. Insufficient oil can result in inadequate lubrication of gears and bearings, leading to abnormal wear or temperature rises due to inadequate cooling.
Guidelines for oil replacement can be found in the technical documentation provided by each manufacturer. However, it is essential to periodically check and replenish the oil to maintain the correct level. Typically, the first oil change should be performed early in the equipment's lifecycle, followed by regular replacements.
If the oil contains iron particles or other contaminants, it may indicate wear in the gears and bearings, necessitating inspection and maintenance. Changes in oil viscosity and other factors can also lead to malfunctions.
During routine inspections, early-stage abnormalities can be detected by comparing factors such as oil quantity, oil condition (presence of dirt, etc.), oil leaks in the surrounding area, temperature changes during rotation, and abnormal noises during operation with normal operation data. Therefore, keeping records of data (temperature, vibration, sound, etc.) during regular operation can be valuable for maintenance purposes.
*Including some distributors, etc.
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DieQua Corporation, founded in 1980 and headquartered in Bloomingdale, USA, is a manufacturer and supplier of sequential gearbox and other motion control and power transmission drive components. The company provides a range of gearboxes, speed reducers, gearmotors and servo gearheads for applications requiring power transmission or precise motion control. It also provides shaft couplings and torque limiters as well as complete screw jack linear lifting and positioning systems. The company also provides consultancy services to help select and specify the appropriate technology for each individual application.
Onvio LLC, established in Salem, NH in 2004 is a manufacturer of precision planetary gearboxes, cycloidal reducers, and timing belt pulleys. Their product range includes Backlash Cycloidal Gearboxes, Speed Reducers, Wheel Drives, Antenna Drives, and Robotic Joints. Their products are used in industries such as Food and Beverage Processing, Pharmaceutical and Biotechnology and Chemical and Petrochemical. The company also provides services including national distribution, product selection, customized services, technical support and customer service.
Sumitomo Drive Technologies Canada, founded in 1991 and based in Oakville, Canada, is a manufacturer of a diverse range of power transmission products, including gear reducers, motors, and drives. The company’s products are used for premium stability, precise engineering, performance, and energy efficiency. The various pieces of equipment are designed to optimize performance, reduce maintenance costs, and ensure long-term durability in various industrial applications. It serves a diverse array of industries, including automotive, food and beverage, mining, and material handling, providing tailored solutions to meet specific needs.
Shanghai Genius Industrial Co., Ltd., founded in 1993 in Shanghai, China, is a manufacturer of robotic industrial equipment. The company specializes in manufacturing optimal-precision arc welding robots and robotic welding turntables that offer enhanced welding precision, improved efficiency, and reduced labor costs. The welding robots are equipped with advanced technology, ensuring precise and consistent welds in various applications. The robotic welding turntables facilitate the manipulation and positioning of workpieces, further streamlining the welding process. The products find use in industries such as automotive manufacturing, aerospace, shipbuilding, and construction, resulting in optimal productivity, reduced defects, and increased safety in welding operations.
Taixing Reducer Co., Ltd., established in 1985 and located in Taixing City, Jiangsu Province, China, is a manufacturer of series reducers and gearboxes. The company specializes in manufacturing gear reducers and gearboxes, including helical gearboxes, worm gearboxes, cycloidal reducers, and planetary gearboxes. These products are equipped with precision engineering, optimal efficiency, and durability, providing robust performance and stability in various industrial applications. The gearboxes are used in industries such as manufacturing, mining, construction, and agriculture, where torque conversion and speed regulation are needed with precision.
Varitron Engineering Co., Ltd., established in 1971 and headquartered in Taipei city, Taiwan, is a manufacturer of power transmission machinery and relevant parts. Starting as a gear reducer factory, the company has expanded into manufacturing cyclo drive, gear motor, precise planetary, gearbox and other power transmission parts. Its main products are helical gear industrial gearbox, worm gear reducers gearbox, planetary gearbox, spiral bevel gearbox and cyclo drive gear motor. The company's clientele include Formosa Plastic, China Steel Corporation, China Petroleum Corporation, Samsung and Sumitomo process equipment manufacturers.
Jianshu Devo Gear Technology, Co., Ltd., is established in 2018 as a manufacturer of custom gearboxes for various applications. Situated in Jiangsu, China, Devo Gear aims to meet the market’s growing demand for personalized solutions and cater to different industries. Their combination of professional R&D, marketing, and quality control expertise ensures optimal performance of each gearbox. The company’s assortment of products is used in food processing, pharmaceuticals, and corrugated paper production, among others. Main markets include North America, Southeast Asia, and South America.
CDS CAM DRIVEN SYSTEMS, founded in 1953 in Bagnolo Cremasco, Italy, is a manufacturer of precision mechanical components for industrial automation, packaging, and assembly systems. The company is a member of the Bettinelli Group, and its product portfolio consists of conveyors, oscillator indexers, linear transfer, and customized automation systems. These components have ideal applications because they offer precision, stability, and repeatability. The products find significant uses in sectors such as automotive manufacturing, food & beverage production, medicinal products, and electronics assembly.
Transmission Machinery Co., Ltd.,established in 1983 and headquartered in Tainan, Taiwan, is a manufacturer of types of speed reducers, cyclo drive & cycloidal gearbox. The company's products consist of helical bevel gearbox, planetary gearbox, cycloidal drive, robotics speed reducers, cyclo drive for servo motors and cyclo derivatives. The speed reducers designed for heavy industries can be used for automation to replace manual and less flexible automated processes. The epicyclic and cycloidal speed reducers find application in travel motors, robotic systems, pumps, mixers and conveyors. The company has two production facilities with a distribution network in Asia, Australia and South america.
Zhengzhou AOKMAN Machinery Co., Ltd, established in 1982 and headquartered in Zhengzhou, China, is a manufacturer of gearboxes, gears, shafts, motors, and spare parts. The company makes products that are equipped with robust precision engineering, optimal durability, and stability and play a vital role in various industries such as manufacturing, construction, metallurgical, agriculture, and transportation, where power transmission and torque control are essential. The gearboxes and components are designed to provide efficient and smooth power transfer, resulting in improved machinery performance and reduced downtime.
Nabtesco Motion Control, Inc, founded in 1999 and headquartered in Farmington Hills, Michigan, USA, is a manufacturer of cycloidal gearboxes. The company specializes in creating high-precision cycloidal gears for torque density, precision, and durable durability. The advantages of the products include minimal backlash, optimum shock load capacity, and prolonged product life. The cycloidal gearboxes are used in an array of fields, including robotics, automation industries, machine tools, and the production of semiconductors. These tools are essential for obtaining precise and accurate motion control in complicated systems.
Ranking as of May 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Onvio LLC |
13.1%
|
| 2 | Taixing Reducer Co.,Ltd. |
11.5%
|
| 3 | DieQua Corporation |
11.1%
|
| 4 | Shanghai Genius Industrial Co Ltd |
9.9%
|
| 5 | CDS CAM DRIVEN SYSTEMS |
9.1%
|
| 6 | Sumitomo Drive Technologies Canada |
7.9%
|
| 7 | Transmission Machinery Co., Ltd. |
7.9%
|
| 8 | Nabtesco Motion Control, Inc. |
7.5%
|
| 9 | Zhengzhou AOKMAN Machinery Co., Ltd |
7.5%
|
| 10 | Jiangsu Devo Gear Technology Co., Ltd. |
7.5%
|
Derivation Method
The ranking is calculated based on the click share within the cycloidal reducer page as of May 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
4 | 40.0% |
|
United States of America
|
2 | 20.0% |
|
Taiwan
|
2 | 20.0% |
|
Japan
|
1 | 10.0% |
|
Italy
|
1 | 10.0% |
