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Which stages can CNC machining be divided into?
 Dec 04, 2022|View:146

In order to ensure the quality of CNC machining parts and reasonably use equipment and manpower, the machining process of parts is usually divided into four stages according to the nature of the process; Rough machining, semi finishing, finishing and finishing.

The division of CNC processing stages shall be flexibly controlled according to the quality requirements, structural characteristics and production guidelines of parts, and shall not be absolute. Tools with low requirements for processing quality, good tool stiffness, high blank accuracy, small machining allowance, and small production guidelines do not need to be divided into processing stages. For heavy workpieces with good rigidity, due to clamping, transportation and time-consuming, they are often all rough and finish machined in one clamping.

For the workpieces not divided into processing stages, in order to reduce the influence of various deformations during rough machining on the processing quality, loosen the clamping mechanism after rough machining, leave it for a period of time to allow the workpieces to be fully deformed, and then re tighten with a small clamping force for finishing.

The above stages of CNC processing can be shared here. CNC processing can automatically change tools and perform various processing operations on workpieces within a certain range. Because the machining center can automatically complete a variety of processes in a centralized manner, human errors are avoided, and the time for workpiece clamping, measuring, machine tool adjustment, and workpiece turnover, handling, and storage are greatly reduced. The machining efficiency and precision are greatly improved.

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