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Classification of precision machining

November 4, 2022

Precision machining is a process of altering a workpiece, and there are two classifications of cold machining and hot machining.

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Precision machining is a process of changing the size or performance of a workpiece with machining machinery. According to the temperature state of the workpiece to be machined, it is divided into cold machining and hot machining. Machining at room temperature, which does not cause chemical or physical changes in the workpiece, is called cold machining. Processing at a temperature higher or lower than room temperature will cause chemical or physical changes in the workpiece, called hot processing. Cold machining can be divided into cutting and pressure machining according to the difference of processing methods. Hot working commonly includes heat treatment, forging, casting and welding.

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