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Welding Robot Cycloidal Speed Reducer , Cyclo Planetary Gearbox Counter Rotating

Categories RV Gear Reducer
Brand Name: Genius
Model Number: RV-120C
Certification: CE , ISO9001 , ISO14001
Place of Origin: China
MOQ: 1 set
Price: Negotiation
Payment Terms: T/T, L/C
Supply Ability: 5000 / month
Delivery Time: 5-10 Working days
Packaging Details: Carton packing
Name: RV gear reducer
Reduction gear ratio: 36.75
Rated torque: 1200
Maximum output speed: 40 r/min
  • Product Details
  • Company Profile

Welding Robot Cycloidal Speed Reducer , Cyclo Planetary Gearbox Counter Rotating

Industrial Robot RV Joint Speed Reducer Gearbox RV-120C-36.75, RV Gear Reducer

Application of RV gear reducer

High - end intelligent equipment industry such as industrial robots, external shafts, precision machine tools, radars, and medical devices.

RV gear reducer advantages

Nantong Zhenkang has successfully developed RV reducers for robots under 300 kg, with a total of 17 products.
E series RV-20E, RV-40E, RV-80E, RV-110E, RV-160E, RV-320E, RV-450E
C series RV-10C, RV-27C, RV-50C, RV-100C, RV-120C, RV-200C, RV-320C, RV-320CA.
And RD series RD-20E, RD-50C.

Zhenkang's technological advancement lies in the key technologies of design principles, structural design, material optimization, processing and assembly processes, heat treatment, process inspection and quality control, and comprehensive performance testing of high - precision RV reducers. Nantong Zhenkang has patents for inventions on the core technology of RV reducers. Independently developed the cycloidal wheel shaping technology, using the world's most advanced ThinkCore modification method, solved the RV reducer's shape modification problem for the first time in China. This technology has been made into a design software module, breaking the foreign special practice design software. Blockade. It has taken the lead in mass production of robot RV reducers in China.

Based on the comprehensive import performance of Nantong Zhenkang RV reducer, its market competitiveness lies in reasonable prices. With higher cost performance, the same quality and installation interchangeability, it has won widespread recognition in the market. Since 2012, more than 30,000 RV reducers have been put on the market, and user feedback has been good. At the same time, in 2018, Nantong Zhenkang RV reducer has a production capacity of 30,000 units, and has been favored by more and more robot manufacturers with its short delivery time, high cost performance and stable quality. On December 18, 2016, the 25,000 square meter factory building of Nantong Zhenkang Welding Robot Industrial Park has been basically completed. After the project is fully put into operation, the park's development goal is to produce 200,000 RV reducers and 10,000 welding robots.

Working principle of RV gear reducer

The RV drive is a new type of transmission developed on the basis of cycloidal pinwheel drives.
The RV reducer consists of an involute cylindrical gear planetary reduction mechanism and a cycloidal pinion planetary reduction mechanism.
The involute planetary gear is integrated with the crankshaft as an input to the cycloidal pinion drive section.
The crankshaft drives the cycloidal wheel for eccentric motion.
The crank rotates clockwise clockwise for 1 week and the cycloidal wheel moves 1 tooth counterclockwise.
The core components of the RV reducer are the pin housing, the crank shaft and the cycloidal wheel.

RV gear reducer RV-120C -36.75 technical parameters

Reduction ratio *










Rated torque (Nm) *10027050010001200200032003200
Maximum working torque (Nm)250675125025003000500080008000
Maximum impact torque (Nm)5001350250050006000100001600016000
Maximum output speed (r/min)8060504040302525
Backlash/idle stroke (arc.min)
Torsional rigidity (Nm/arc.min)4614525551060097619601960
Allowable torque (Nm)68098017602450245088002055020550
Allowable thrust force (N)58808800117501370013700196002935029350
Weight (kg)4.58.514.519.62155.58080

* Note: This gear reduction ratio is the unit gear reduction ratio, excluding that generated by the input gear and the two way big gear
* The output torque is the rated torque when the output speed is at 15r/min

RV gear reducer RV-120C -36.75 external dimension table


¢B110 h7140 h7176 h7199 h7199 h7260 h7340 h7360 h7
¢D146 h7181 h7222 h7250 h7250 h7346 h7440 h7450 h7

Structure principle of RV gear reducer

  • Input shaft/planetary gear

Form the'1st stage planetary gear reduction, realizing different gear reduction ratio through the changing of the gear.

  • Pin shell/pin/cycloid gear

Form the 2nd stage gear reduction, achieving high rigidity and high accuracy through the cycloid meshing rate higher than 80% and the nearly zero. - backlash quality fit.

  • Crank shaft/output shaft

Realizing the transmmision and output of the torque by connection the 1st and 2nd stage gear reduction mechanism.

  • Support bearing

Provides extremely high bending moments and load bearing capacity.

Warranty service of RV gear reducer

We provide one year quality warranty for our ZKRV series of gear reducers provided that they are used under rated conditions, assembled properly or applied under good lubrications. During this warranty period, refund or free replacement is guaranteed by our company when the performance of the gear reducer is severely downgraded or malfunctioned, however, we will not be responsible for the other costs arisen hereof.

The following situations are exempted from our warranty scope while paid service is available.

  • The gear reducer is not used based on given conditions
  • Foreign objects enter into the gear reducer
  • The specification of the lubrication and supporting material used does not meet with given conditions
  • Disassemble or reassemble the gear reducer without authorization

* Please refer to the installation drawing for the actual mounting

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