China manufacturer Precision Cycloidal Gear Reducer for Industrial Robots Qy-80e Model with Good quality

Product Description

     As a subsidiary of CHINAMFG Corporation Limited, CHINAMFG Xihu (West Lake) Dis. Institute Co., Ltd. (CRRC QSYRI for short),a national high-tech enterprise, was established in 1959.
     CRRC Xihu (West Lake) Dis. focuses on core technology, establishes business guiding platforms and builds industrial invisible champion. Based on R&D and industrialization of new materials, new technology, new processes and new equipment, through decades of unremitting struggle, CHINAMFG QSYRI now has 4 National R&D Institution, 6 Provincial Engineering Technology Centers, 3 Special R&D Centers, and has also constructed an international leading test and verification platform. Its industrial area covers key parts and components in rail transport industry, integrated equipment and key parts, automobile parts and intelligent equipment system.
     It has 6 research and industrialization bases covering an area of about 1,195 mu, and its industrial fields cover key components for rail transportation, integrated equipment and key components, automotive components and intelligent equipment systems, focusing on core key technologies, building business-leading platforms and creating invisible champions in the industry.
     Our main products are exported to more than 30 countries and regions such as USA, Japan, Canada, Germany, Australia, Italy, South Africa, India, etc. We have established good cooperation relationship with customers such as world rail vehicle enterprises, national railroads, city subways, major mines, ship companies, automobile companies and other international famous enterprises such as GE, Honeywell, Germany KNORR, MAN, Japan SUMITOMO, Japan CHINAMFG Electric, UK Romax, etc. We have achieved sales revenue of 4.5 billion yuan in 2571.


Main bearing built-in High reliability and low total cost
Secondary speed reduction mechanism Low vibration and low inertia
Planetary frame supporting mechanism High torsional rigidity, low vibration, high impact resistance
Roller bearing contacting mechanism Low starting torque, low wear, long life, small backlash
Cycloid pinwheel mechanism Small gap and high impact resistance

Detailed Photos


Our Advantages


We have world-class manufacturing equipment, processes like casting, forging,welding, heat treatment, machining, gearing, can all be done in house.

CHINAMFG QSYRI engages in the research of casting processes and material technologies, along with the development and manufacture of various castings, including cast steel, cast iron, nonferrous metals, high-temperature alloys, stainless steel and cobalt-base alloys, of which high-phosphorous brake shoe, Grade B steel, Grade B+ steel, Grade C steel and Grade E steel, and their manufacturing technologies have been popularized successfully in railway industry.Low-pressure casting Centrifugal casting Metal mold casting Green CHINAMFG Resin CHINAMFG Pre-coated CHINAMFG Sodium silicate CHINAMFG Precision investment casting Bimetal liner preparation CHINAMFG software for solidification simulation Cast steel, cast iron, aluminum alloy and magnesium alloy development.

The company is also engaged in the R&D of precision forging, heat treatment and product. Its forgings for large-capacity dampers, ND5 major-minor connecting rods, axle of 2000mm, brake disc and gear have been used widely in railway industry. Its forgings of high temperature alloy turbine blade has been used for gas turbine in war ships. Its valve body forgings have been used for petroleum industry. The company owns an internationally advanced electric screw press with a maximum pressure of 22,000 t.
Forging CAD/CAE
Controlled atmosphere heat treatment Precision forging of nonferrous,ferrous metals, stainless steel, high temperature alloy, titanium alloy

The company involves in the R& D of various heat treatment processes and quenching mediums, including cemented quenching, carbon-nitriding, induction quenching and tufftriding. The company operates internationally advanced pit-type and box-type carburizing CHINAMFG production lines, as well as quenching press and induction quenching machine production lines introduced from Germany, and keeps ahead in the country in terms of gear heat treatment technology.Controlled atmosphere carburizationSalt bath tuffnitriding Fast and deep ion nitriding Medium & high-frequency quenching and equipment design Heat treatment deformation control.

The company is devoted to the R&D of welding processes and equipment for stainless steel, aluminum alloy and alloy steel. The company is equipped with advanced welding and cutting equipment including longitudinal sheet welding machines, NC air plasma cutters, Miller aluminum alloy welding machines, LVD NC sheet shearing and bending machines, large-sized vacuum brazing furnace, and has developed and manufactured aluminum air reservoirs, water tank, battery box, water-cooled radiators.

The company is also dedicated to the R & D of surface repairing and hardening technologies for large-sized components with flame-spraying, plasma spraying and electrobrush-plating techniques. Its Miller plasma spraying system can produce transferred coatings of metals, alloys and ceramics.
Flame spraying, arc spraying, plasma spraying, and the equipment Electroplating, chemical plating and electro brush platingChemical surface treatment includinganodizing, chemical oxidizing, passivating,phosphating and coloring

Company Profile

CHINAMFG Xihu (West Lake) Dis. Institute Co.,Ltd is a state-own company affiliated with CHINAMFG group. Found in 1959, it locates in HangZhou city in the great ZheJiang region.Focus on R&D of critical equipment for China railway industry, it is a specialized research institution for new material and processes for locomotive and rolling stocks, as well as a high-tech manufacturer of critical parts and components for railway transportation.Currently, it has about 3,000 employees working in 6 production sites, its revenue exceeded 700 million USD in 2571.

Rail transit equipment, automobiles and new energy vehicles, ships and marine engineering equipment, aerospace vehicles, energy-saving and environmental protection equipment, wind power generation equipment, mining machinery, robot parts, construction machinery, mechanical and electrical equipment, transmission devices, instrumentation, electronic appliances, plastics R&D, design, manufacture, sales, repair, leasing, and technical services of products, metal products and parts; Mold manufacturing, sales, repair, and technical services; Metal casting, forging, and welding; Surface treatment and heat treatment; Orbital welding Engineering construction; Product testing and testing; Professional technical and operational skills training (excluding vocational certificate training recognized by the state), technical and management consulting, conference services; Rental of self-owned houses and equipment; Self-operated and agency of various commodities and technology import and export business (except for goods and technologies that are restricted by the state or prohibited from import and export); Design and produce print advertisements, and use the company’s public publications to publish domestic advertisements. 

Cooperation case display



1. How long is the product warranty period?
A: Two years.

2, how to place an order to our company?
A: After the products you need are confirmed by both parties, our company will CHINAMFG a contract with you, and we will execute the delivery and other related matters according to the contract terms.

3. How to distribute the product?
A: We generally provide FOB prices, and the freight is borne by the buyer. If the buyer has the demand, we can also provide CIF price, our company is responsible for shipping products.

4. Settlement currency?
A: We can settle in RMB, USD and Euro.

5. Return policy?
A: In case of any problem with the product, the 2 parties shall negotiate a return or exchange according to the terms and conditions of the contract.

6. After-sales problems?
A: If there is a quality problem during the warranty period, our company will answer it to the customer within 24 hours. If the problem is more serious, our company will arrive at the customer site within a week to answer it. Products beyond the warranty period we provide maintenance services, provide paid replacement parts, provide paid customer on-site service. 

7, how to buy the fragile and consumable parts in the product?
A: Our company will make a list of vulnerable and consumable parts and provide channels for purchase.

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Application: Machinery
Hardness: Hardened Tooth Surface
Gear Shape: Cycloidal Gear


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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

gear gearbox

Can you provide real-world examples of products that use gear reducer technology?

Certainly! Gear reducer technology is widely used in various industries and products to enhance performance and efficiency. Here are some real-world examples:

1. Industrial Machinery: Gear reducers are commonly used in manufacturing machinery, such as conveyor systems, material handling equipment, and assembly lines, where they help control speed and torque for precise operations.

2. Wind Turbines: Wind turbines utilize gear reducers to transform the low rotational speed of the wind turbine rotor into the higher speed needed for electricity generation, optimizing energy conversion.

3. Automotive Transmissions: Automobiles use gear reducers as part of their transmissions to optimize power delivery from the engine to the wheels, allowing the vehicle to operate efficiently at different speeds.

4. Robotics: Robotic systems rely on gear reducers to control the movement and articulation of robot arms, enabling precise and controlled motion for various applications.

5. Printing Presses: Gear reducers are integral to printing presses, ensuring accurate and synchronized movement of printing plates, rollers, and paper feed mechanisms.

6. Conveyor Belts: Conveyor systems in industries like mining, agriculture, and logistics use gear reducers to regulate the movement of materials along the conveyor belts.

7. Packaging Machinery: Gear reducers play a crucial role in packaging machines, controlling the speed and movement of packaging materials, filling mechanisms, and sealing components.

8. Cranes and Hoists: Cranes and hoists rely on gear reducers to lift heavy loads with precision and control, ensuring safe and efficient material handling.

9. Pumps and Compressors: Gear reducers are utilized in pumps and compressors to regulate fluid flow and pressure, optimizing energy usage in fluid transportation systems.

10. Agriculture Equipment: Tractors and other agricultural machinery use gear reducers to adjust the speed and power delivery for different tasks, such as plowing, planting, and harvesting.

These examples demonstrate the diverse applications of gear reducer technology across various industries, showcasing their role in enhancing efficiency, control, and performance in a wide range of products and systems.

gear gearbox

Can gear reducers be used for both speed reduction and speed increase?

Yes, gear reducers can be utilized for both speed reduction and speed increase, depending on their design and arrangement. The functionality to either decrease or increase rotational speed is achieved by altering the arrangement of gears within the gearbox.

1. Speed Reduction: In speed reduction applications, a gear reducer is designed with gears of different sizes. The input shaft connects to a larger gear, while the output shaft is connected to a smaller gear. As the input shaft rotates, the larger gear turns the smaller gear, resulting in a decrease in output speed compared to the input speed. This configuration provides higher torque output at a lower speed, making it suitable for applications that require increased force or torque.

2. Speed Increase: For speed increase, the gear arrangement is reversed. The input shaft connects to a smaller gear, while the output shaft is connected to a larger gear. As the input shaft rotates, the smaller gear drives the larger gear, resulting in an increase in output speed compared to the input speed. However, the torque output is lower than that of speed reduction configurations.

By choosing the appropriate gear ratios and arrangement, gear reducers can be customized to meet specific speed and torque requirements for various industrial applications. It’s important to select the right type of gear reducer and configure it correctly to achieve the desired speed reduction or speed increase.

gear gearbox

Function of Gear Reducers in Mechanical Systems

A gear reducer, also known as a gear reduction unit or gearbox, is a mechanical device designed to reduce the speed of an input shaft while increasing its torque output. It accomplishes this through the use of a set of interlocking gears with different sizes.

The primary function of a gear reducer in mechanical systems is to:

  • Speed Reduction: The gear reducer takes the high-speed rotation of the input shaft and transmits it to the output shaft through a set of gears. The gears are configured in such a way that the output gear has a larger diameter than the input gear. As a result, the output shaft rotates at a lower speed than the input shaft, but with increased torque.
  • Torque Increase: Due to the size difference between the input and output gears, the torque applied to the output shaft is greater than that of the input shaft. This torque multiplication allows the system to handle heavier loads and perform tasks requiring higher force.

Gear reducers are widely used in various industries and applications where it’s necessary to adapt the speed and torque characteristics of a power source to meet the requirements of the driven equipment. They can be found in machinery such as conveyor systems, industrial machinery, vehicles, and more.

China manufacturer Precision Cycloidal Gear Reducer for Industrial Robots Qy-80e Model   with Good quality China manufacturer Precision Cycloidal Gear Reducer for Industrial Robots Qy-80e Model   with Good quality
editor by CX 2024-03-07


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