他们中大部分人的工作有负责操作计算机数控设备（CNC）以及各种各样小批量生产中的传统车床、路由器和螺纹磨床等。

They are likely to operate computer numerical control (CNC) equipment as well as traditional lathes, routers, and grinders to make all kinds of production parts.

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对于只具备普通螺纹切削功能的数控车床，一般来说不能加工变螺距的螺纹。

It is difficult to machine the variable pitch of screw part on the CMC lathe without variable pitch cutting faction.

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作者研究采用现有的、成熟的、有价格优势的数控技术，经过一些专门的处理，研发了具备加工这类特殊螺纹功能的低价专用数控车床。

The research adopts existing and mature CNC technique which has advantage in price in producing the low cost CNC turning machine featuring the function of machining these special threads.

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