The RV reducer is a two-stage reducer, and the transmission principle is shown in Figure 1. The first-stage reduction mechanism is a planetary gear transmission mechanism, which transmits power from the center wheel to the planetary gears through the rotation of the input shaft, and decelerates according to the gear ratio; the second-stage reduction mechanism is a cycloid pin-wheel transmission mechanism, which is driven by the planetary gear to rotate The crankshaft drives the two cycloids for eccentric movement. The eccentric movement causes the cycloidal wheel to mesh with the pin tooth pin placed on the housing. The crankshaft rotates once, and the cycloid moves one needle tooth position in the opposite direction. When the reducer is driving, it has the characteristics of large number of meshing teeth, small gap, small vibration and inertia. It has the characteristics of small size, light weight, high rigidity, overload resistance, etc., which can ensure the smooth operation of the robot and achieve high transmission and positioning accuracy.
The WRV precision reducer design platform can realize the transmission design, force analysis, cycloid modification, bearing design, transmission error analysis and return analysis of the RV reducer. It can customize design and finally realize the platform. One-stop management, using a set of software and algorithm data to manage the full life cycle of the product.
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RV reducer can be used in multi-joint industrial robots, such as automotive and machining industries. Specific functions include handling, welding, grinding, spraying, palletizing, loading, etc.
Applied to SCARA robot
The RV reducer can be used in the rotating joints of SCARA robots. SCARA robots are mainly used in processes such as the grasping and assembly of parts in the 3C industry.