center rest

In this way,only by adding a section of guide to the original machine will be able to meet the requirements,and a centering bracket is designed in order to support the out part of the work piece.

根据"高精度、低成本"的原则对该机床进行了改造,并采用调头旋压法进行加工,因此,只需在原来机床上增加一段导轨就能满足改造要求,为了保证加工精度,工件伸出部分另外设计一定心托架支撑。