This paper introduced basic requirements of main driving system in modern NC machine tool. Design and feature are also described.
介绍了现代数控机床主传动系统设计的基本要求，主传动系统设计及特点。
NC is a technology using digital information to realize the control of machine tool, is one of the most crucial I ink in modern product technology.
数控是使用数字化的信息实现对机床控制的一种技术，是现代制造技术中最关键的环节之一。
In order to meet the variety and short the cycle in the modern Shoe-last industry, the NC Shoe-last Machine Tool has been developed.
开发数控刻楦机就是为了适应品种多、周期短的现代鞋楦生产的需要。
Because there exists a chip-curling groove on the rake face, the rake face of a modern cutting tool used on NC machine tool is not a plane, but a curved surface.
由于现代数控刀具都设计有卷屑槽，从而使其前刀面不是平面，而是曲面。
Because there exists a chip-curling groove on the rake face, the rake face of a modern cutting tool used on NC machine tool is not a plane, but a curved surface.
由于现代数控刀具都设计有卷屑槽，从而使其前刀面不是平面，而是曲面。
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