What is machining?
铜陵源和半导体科技有限公司
2025-02-25
Machining refers to the process of processing raw materials into parts. The processing is mainly divided into two categories: manual machining and CNC machining. Manual machining usually refers to the machining of various materials by machine workers manually operating milling machines, lathes, etc. However, this is suitable for small-batch production and relatively simple parts production. CNC machining refers to machining using CNC equipment by machine workers, including machining centers and turning and milling centers. It is mainly suitable for mass production and parts with complex shapes.
1. Tolerance Requirements
During the machining process, the un-noted shape tolerances must meet the specified requirements. The deviation in length is within ±0.5mm. The casting tolerance zone must be symmetrical, and the basic size configuration of the casting blank must meet the relevant requirements.
2. Cutting Workpiece Requirements
Parts need to be inspected and accepted according to the process. However, it should be noted that the inspection must be completed in the previous process before proceeding to the next process. The processed parts are not allowed to have burrs. When placing the finished parts, they cannot be placed directly on the ground; they need to be supported and protected.
The processed surface must not have any crushing or peeling phenomena. After heat treatment, the surface must not have scale, especially the mating surfaces after fine machining. The gear surface must not have annealing. The threaded surface after machining must not have black skin, bumps, or other defects.
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