The process characteristic is that the first draw occurs in a steam box and the second draw between the succeeding drawing roller and setting roller.
其后加工特点是：一级拉伸发生在蒸气浴槽内，二级拉伸发生在第二拉伸辊与定型辊之间。
2
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。
3
The utility model connects two electricity magnets by a ball head draw rod, a switch closing draw rod and a draw rod roller, through the skillful design.