Summarize the characteristics of roller-gear-cam and structure in ATC. Introduce the tool change process of automatic tool change, draw the motion circle graph.
总结了滚子齿形凸轮的特点及其在自动换刀单元（ ATC）中滚子齿形凸轮的结构形式。
2
This machine is equipped with a gear transmission mechanism, and its multi-dies are arranged in line. It can draw steel, aluminum, brass and other kinds of metal wires.