Application fields of precision cycloidal pinwheel RV gear reducer
The precision cycloidal pinwheel RV gear reducer is a transmission mechanism developed on the basis of the traditional cycloidal pinwheel and planetary gear transmission. It is the core component of the joint drive of industrial robots (especially medium and large industrial robots).
At present, it is used in fields that require high-precision positioning such as CNC machining machine tools, medical equipment, welding positioners, AGV trolleys, solar and wind energy fields.
Any application of planetary reducer can use precision cycloidal pinwheel RV gear reducer. In addition, precision cycloidal pinwheel RV reducer has higher accuracy than planetary reducer, backlash <1 arc.min .
Nabtesco of Japan is the world’s largest manufacturer of precision cycloidal pinwheel RV gear reducers. With the development of Chinese robots, more and more RV reducer manufacturers have appeared in the Chinese market. Among them, Genius Robotics Zhenkang has excellent The quality has become the largest manufacturer of precision cycloid pinwheel RV gear reducer in China. The cycloid RV reducer produced by it has the characteristics of high rigidity, high precision, low noise, and long life. The annual shipment is 80,000 units a year. And become the supplier of YASKAWA in China.
The principle of precision cycloidal pinwheel RV gear reducer
Precision cycloid pinwheel RV gear reducer, also cycloid pinwheel planetary reducer, usually a 2-stage reduction mechanism, high transmission rigidity, large transmission ratio (usually 30~260), stable transmission, small inertia, and output torque Large, small size, strong impact resistance and other characteristics. In terms of structure, the cycloid RV reducer is more complicated than the harmonic reducer, with a longer transmission chain, larger reducer clearance, and less transmission accuracy than the latter, but it has better structural rigidity, smaller inertia, and longer service life.
The precision cycloidal pinwheel RV gear reducer is composed of spur gear (planetary gear), RV gear, crankshaft, pin (needle tooth pin), housing (pin wheel), output shaft, etc.
Shell (pin wheel), with needle teeth on the inner side, flanges and mounting holes on the outer side.
RV gear, in the middle of the reducer, is the core of the reducer.
The precision cycloidal pinwheel RV reducer is geared through spur gear speed and differential gear speed.
Spur gear transmission, the planetary gear and the sun gear realize the gear transmission, the speed ratio = the number of sun gear teeth / the number of planet gear teeth. The differential gear shifts, the planetary gear drives the crankshaft to rotate, and the crankshaft drives the RV gear to swing. The swing process of the two RV gears is the same, but the phase difference is 180°. There is a pin tooth pin between the RV gear and the pin wheel. When the RV gear swings, the pin tooth pin forces the RV gear to rotate along the pin wheel tooth by tooth. The offset angle of the needle wheel=1/the number of teeth of the needle wheel x 360°, the number of teeth of the needle wheel-the number of teeth of the RV gear =1.
Total transmission ratio: the direction of rotation of the output is opposite to that of the input.
Different speed ratios are determined by different installation methods. Generally, only the basic speed ratio is given on the sample of RV reducer. The user can calculate the corresponding transmission ratio according to the actual installation situation.
China's precision cycloidal pinwheel RV gear reducer
Genius Robotics Zhenkang is exactly the same as the RV reducer produced by Nabtesco in Japan, including size, speed ratio, accuracy and noise. It is a common product of industrial robots. There are component type RV reducers, RD compact type, RV-C hollow type, RV-E standard type.
RD compact is a lightweight and compact product derived from the RV-E standard, and is currently the most popular product on the market.
RV-E series include RV-20E, RV-40E, RV-80E, RV-110E, RV-160E, RV-320E, RV-450E.
In addition, our company has also developed small RV reducers, RV-4E, RV-5E- RV-6E and RV-7E. These precision cycloidal pinwheel RV reducers are similar in size to harmonic reducers. It can be used to replace the harmonic reducer, which has greater torque and rigidity than the harmonic reducer, and has a longer life.
The RV-C series include RV-10C, RV-27C, RV-50C, RV-100C, RV-120C, RV-200C, RV-320C.
If you need to purchase or consult, learn more about the precision cycloidal pinwheel RV gear reducer, please feel free to consult and contact
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