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随着自动化程度的不断提高,电动卡盘的应用也日趋广泛。电动卡盘的基本原理是:采用一种减速比很大的传动机构,将由专门电机直接传来的高速转动减速为低速转动,带动三爪卡盘的盘丝(平面螺纹)缓慢转动,从而实现卡爪的夹紧和松开。由于电机的转速一般都很高,而盘丝的转速要求为8～12转/分,降速比很大,因此如何设计尺寸紧凑、结构简单、便于制造和维修的减速机构也就成为电动卡盘设计的核心问题。近年来,由于少齿差行星减速机构在三爪卡盘上的成功应用,为电动卡盘的发展开辟了
With the continuous improvement of the degree of automation, the application of electric chuck is also increasingly widespread. The basic principle of the electric chuck is: using a transmission mechanism with a large reduction ratio, the high speed rotation directly transmitted by the special motor is decelerated to a low speed and the tray wire (flat thread) of the three-jaw chuck is slowly rotated to achieve Clamp claw and release. As the motor speed is generally high, while the coil wire speed requirements for 8 ~ 12 rev / min, a large reduction ratio, so how to design compact size, simple structure, easy to manufacture and repair of the deceleration mechanism will become the electric card The heart of the disk design. In recent years, due to the small tooth difference planetary gear reduction mechanism in the successful application of the three-jaw chuck, the development of the electric chuck opened up