介绍一种在车床上使用的半自动车削球面装置的结构和工作原理。
A new semi-automatic spherical surface machining device is presented. Its structure and working principle are involved.
在谈到工作中的车床，车削中心的要一致：这意味着这两个轴中心必须在同一行。
Before turning a work in the lathe, the lathe centers are to be aligned: that means that the axes of both centers must be on one line.
介绍在普通车床上车削端面轴向曲线环槽靠模夹具的工作原理。
Working principle of the tracer fixtures used for profile facing curved axial grooves on the engine lathe is described.
为提高工作性能，活塞裙部设计成中凸变椭圆型，立体靠模仿形车削是常用的加工方法。
To improve performs of engine, the piston skirt curve is designed to be middle convex and varied elliptic pattern, copying manufacturing with master piston is commonly used.
为提高工作性能，活塞裙部设计成中凸变椭圆型，立体靠模仿形车削是常用的加工方法。
To improve performs of engine, the piston skirt curve is designed to be middle convex and varied elliptic pattern, copying manufacturing with master piston is commonly used.
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