Turning is a method of cutting the workpiece relative to the tool rotation on the lathe. The cutting energy of turning is mainly provided by the workpiece rather than the tool. Turning is the most basic and common cutting method, which plays a very important role in production Turning is suitable for processing rotary surface, most of the workpiece with rotary surface can be processed by turning method, such as internal and external cylindrical surface internal and external cone surface groove thread and rotary forming surface, etc., the tool is mainly turning tool in all kinds of metal cutting machine tools, lathe is the most widely used class, accounting for about 50% of the total number of machine tools Turning lathe tool is available on the workpiece, and the available drill reamer tap and knurled knife hole reaming tapping screw thread and knurled operation According to process characteristics of form and structure characteristics of different layout, lathe can b…
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