Cheng Shen Precision Machinery (Shanghai) Co., Ltd.
Harmonic reducer (harmonic drive) is a new type of transmission device that uses flexible gears and rigid gears to mesh and transmit power and motion. Its core components include a wave generator, flexible gears, and rigid gears. Wave generators are usually elliptical or hyperbolic in shape, and changes in their shape can cause periodic elastic deformation of flexible gears, leading to meshing and disengagement with rigid gears, thereby transmitting power
Working principle of harmonic reducer
The working principle of harmonic reducer is based on elastic mechanics and gear meshing theory. When the wave generator rotates inside the flexible gear, its shape changes will cause periodic deformation of the flexible gear. When the long axis of the wave generator aligns with a certain tooth of the flexible gear, this tooth will be pushed towards the maximum radial position, forming a tight mesh with the rigid gear; When the short axis of the wave generator aligns with the teeth of the flexible gear, this tooth will radially contract and disengage from the rigid gear. This periodic meshing and disengagement process creates a deceleration effect between flexible gears and rigid gears.
Application areas of harmonic reducers
Harmonic reducers are widely used in various industries such as aerospace, navigation, mechanical manufacturing, and transportation. Due to its small size, light weight, and high load-bearing capacity, harmonic reducers also play an important role in automation equipment, robots, precision instruments, and other fields.