Existing numerically controlled indexing system, in which the main driving set almost is worm gear, can not work in high accuracy.
现有的数控分度系统，其主传动装置基本都采用蜗杆机构，但是这类系统不能用于高精度的分度定位。
2
In this paper, a new type of conical envelope wormindexing cam mechanism with rolling teeth is proposed.
提出了一种具有滚动齿的新型锥面包络蜗杆分度凸轮机构；
3
This dissertation focuses on the solid modeling of the Worm-Type Parts, such as the worm, worm wheel, indexing CAM, and so on, which has spacial surface.