Space Saving Sumitomo Cycloidal Gear Reducer High Torsional Rigidity Long Working Life
The Cycloidal Gear Reducer is mainly composed of a cycloidal wheel, an eccentric shaft and a pin gear shell. It has the characteristics of compact structure, large transmission ratio, low vibration, low noise and low energy consumption. The development trend of the reducer for industrial robots is high - speed deceleration ratio, small volume, high load capacity, high efficiency and long service life.
The Cycloidal Gear Reducer has a great impact on the performance of industrial robots, especially in the robots with high precision requirements, which mainly provide three performances.
1. Increase the torque: The reducer can double the torque of the motor output when the overall space of the robot arm is limited.
2. Increase the resolution: Effectively reduce the minimum displacement that the load can move, and increase the resolution accuracy.
3. Enhance the ability of the motor to withstand the load inertia: The proper inertia ratio between the motor and the load enhances the performance and stability of the system and minimizes power loss.
Cycloidal Gear Reducer is widely used in the arm joints of industrial robots to complete precise operating procedures. At the same time, it also has the function of supporting the strength of the robot. Its high rigidity and high reduction ratio are now widely used in six - axis vertical joints the first three axes of the robot.
In addition, in the use of automation equipment, the precision reducer has the characteristics of high precision, high efficiency, high rigidity, small size, light weight, large range of reduction ratio and long service life.
In addition to industrial robots, the application fields can be used in precision transmissions such as semiconductor production equipment, precision instruments, machine tools, precision radar drive control equipment, and solar equipment that require small space and large reduction ratio.
Cycloidal Gear Reducer have been widely used in heavy - duty and high - precision robots.
Noise of Cycloidal Gear Reducer
- The gear reducer is operated at rated speed with a noise of < 75 dB.
- The noise level is related to installation accuracy, lubrication, temperature, load and other factors.
Lifetime of Cycloidal Gear Reducer
- The gear reducer is operated at rated conditions with a life of > 6000 hours.
- It is not advisable to operate for longer than the rated speed or rated torque, otherwise the life will be reduced.
- To ensure the accuracy and longevity of the gear unit, please replace the grease after every 2000 hours of operation.
Cycloidal Gear Reducer RV-80E 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 |
| 80E | 1010 | 0.71 | 800 | 1.57 | 696 | 2.41 | 605 | 2.88 |
Note: the rated torque is the output torque when the output speed is at 15r/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 |
| 80E | Shaft(R) | Housin | r/min | arc.min | Nm | Nm | Nm | Nm | kg | % | dB |
| 81 | 80 | 70 | 1 | 2000 | 4000 | 2050 | 4100 | 13.1 | >80 | <75 |
| 101 | 100 |
| 121 | 120 |
| 153 | 152 |
Cycloidal Gear Reducer RV-80E 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 |
| M10 × 1.5 | 73.5 ± 3.43 | 38080 |
About manufactor of Cycloidal Gear Reducer
We are originated from, rooted in and innovative in welding.
It's been over 20 years since our products and technology served in the welding industry.
Without exception, all our products are greatly acknowledged by our customers, which is the very reason we secure the highest market share of our products globally.
Through a decade endeavor, we have developed another core spare part with excellent performance - RV gear reducer, specially used in arc welding robot and automatic industry.
Cycloidal Gear Reducer RV-80E installation drawings
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