|Type:||RV Gear Reducer||Input Speed:||3500（rpm）|
|Rated Power:||2.31kw||Reduction Ratio:||81|
Cyclo Planetary Gearbox,
Small Volume RV Gear Reducer,
Nabtesco Reduction Gear
Small Volume RV Gear Reducer High Speed Deceleration Ratio, Nabtesco Reduction Gear
One of the most critical mechanical structures of industrial robots is the RV gear reducer.
Mechanical principle of RV gear reducer
In 1926, the German Lorenz Brown proposed a planetary gear mechanism with a small tooth difference. It uses the epicycloid as the tooth profile curve. This is the earliest pinion planetary transmission due to the two meshing. One of the gears is in the form of a pin wheel, which is also referred to as a cycloidal pinion planetary gear.
RV transmission is a brand - new transmission method. It is developed on the basis of the traditional oscillating planetary transmission. It not only overcomes the shortcomings of the general swaying transmission, but also has a small size, light weight, large transmission ratio range and long service life. A series of advantages such as stable accuracy, high efficiency and smooth transmission.
Take the RV-E gear reducer as an example
1. First reduction unit - spur gear reduction mechanism
The rotation of the input shaft is transmitted from the input gear to the spur gear, and is decelerated by the gear ratio. This is the first speed reduction section.
2. Second speed reduction unit - differential gear speed reduction mechanism
The spur gear is connected to the crankshaft and becomes the input of the second reduction unit. In the eccentric portion of the crankshaft, the RV gear is mounted by a rolling bearing. In addition, the needle teeth on the inner side of the casing are only one more than the number of RV gears, and are arranged at the same pitch.
If the fixed housing rotates the spur gear, the RV gear also performs eccentric motion due to the eccentric motion of the crank shaft. At this time, if the crankshaft rotates one revolution, the RV gear will rotate one tooth in the opposite direction to the crankshaft. This rotation is output to the shaft of the second reduction unit. When the shaft is fixed, the casing side becomes the output side.
RV gear reducer usage
Industrial Robot , SCARA, Positioning axis ,AGV,
Machine tool, Medical equipment , Indexing mechanism,
Rotary table, Elevator platform ,Wind energy mechanism ,
Gantry , Aeronautics
High - end intelligent equipment industry such as external shafts and radars .
RV gear reducer features
RV gear reducer RV-110E technical parameters
|Output Rotational speed
|Output torque||Input capacity||Output torque||Input capacity||Output torque||Input capacity||Output torque||Input capacity|
Note: the rated torque is the output torque when the output speed is at 15r/min.
|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|
RV gear reducer RV-110E installation parameter
|inner hexagon bolt
|fastening torque(Nm)||fastening force||bolt requirement|
|M10 × 1.5||73.5 ± 3.43||38080||GB/T 70.1 - 2000
thread requirement:GB/T 1167-1996
|M12 × 1.75||128.4 ± 6.37||55100|
RV gear reducer RV-110E installation drawings
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
Contact Person: Daisy He