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Industrial Speed Reduction Ratios Nabtesco Cycloidal Gearbox Reducer RV-40E
Among the total cost of industrial robots, the proportion of core
components is close to 70%, and the proportion of reducers, servo
motors and controllers is 32%, 22% and 12% respectively.
The technical barrier of the reducer is the highest among the core
components. In a precision - fitted system, small deviations in
clearance or interference fit can cause multiple differences in
contact stiffness / engagement stiffness, which in turn can cause
changes in motion parameters.
The application of reducer in industrial robots. For multi -
joint industrial robots, the type of reducer may vary depending on
the load, but a precision reducer is required for each joint.
Therefore, the number of reducers required for a general - purpose
robot is 4 - 6 sets. In addition, for the existing industrial
robots, the reducer itself has a rated working life and needs to be
replaced periodically; while the working life of the industrial
robot is generally 8 - 10 years, during which the reducer acts as a
transmission and load - bearing component, and wear is inevitable.
Therefore, a large number of reducers are required for the
maintenance and repair of industrial robots.
Based on the comprehensive import performance of Zhenkang RV
gearbox, 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 gearboxes have been
put on the market, and user feedback has been good. At the same
time, in 2018, Zhenkang RV gearbox 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
gearboxes and 10,000 welding robots.
Application of Cycloidal Gearbox Reducer
Industrial Robot , SCARA , Positioning axis , AGV , Machine tool,
Medical equipment , Indexing mechanism, Rotary table , Elevator
platform ,
Wind energy mechanism , Gantry , Aeronautics .
Cycloidal Gearbox Reducer RV-40E technical Parameters
Operating parameter
| Output Rotational speed r/min | 5 | 15 | 25 | 35 | ||||
| Output torque | Input capacity | Output torque | Input capacity | Output torque | Input capacity | Output torque | Input capacity | |
| Model | Nm | kW | Nm | kW | Nm | kW | Nm | kW |
| 40E | 560 | 0.40 | 400 | 0.88 | 355 | 1.20 | 330 | 1.52 |
Note: the rated torque is the output torque when the output speed
is at 15 r / min.
Performance Parameter
| Model | Speed ratio | Allowable output speed | Maximum backlash | Allowable acceleration/decleration torque | Momentary max allowable torque | Allowable moment | Momentary max allowable movement | Weight | Efficiency | Noise | |
| 40E | Shaft(R) | Housin | r/min | arc.min | Nm | Nm | Nm | Nm | kg | % | dB |
| 81 | 80 | 70 | 1 | 1000 | 2000 | 1600 | 3200 | 9.3 | >80 | <75 | |
| 105 | 104 | ||||||||||
| 121 | 120 | ||||||||||
| 153 | 152 | ||||||||||
Cycloidal Gearbox Reducer RV-40E installation parameter
| inner hexagon bolt Nominal dimension(mm) | fastening torque(Nm) | fastening force | bolt requirement |
| M8 × 1.25 | 37.2 ± 1.86 | 23960 | GB/T 70.1 - 2000 intensity:12.9 thread requirement:GB/T 1167-1996 |
| M14 × 2.0 | 204.8 ± 10.2 | 75860 |
Cycloidal Gearbox Reducer RV-40E installation drawings
