分析了管螺母组件收口工艺，介绍了滚压收口工具的结构、工作原理及其在车床上的应用。
The closing_in process of union nut assembly is analyzed and the structure, working principle and application on the lathe of the rolling closing_in tool are introduced in this paper.
熟悉机加工的操作工艺，能熟练操作车床，铣床等机床及钣金弯管。
Familiar with the operation of machining processes, can skillfully operate lathes, milling machines and other machine tools and tube bending etc.
如车床外径细小之原料，可订制小型料管，以减少跳动与弯曲变形。
If a small diameter turning raw materials, can be ordered small tube, to reduce the beating and bending deformation.
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