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The meaning of cnc processing

Views: 29     Author: Site Editor     Publish Time: 2021-04-21      Origin: Site

1) Guarantee the quality of cnc processing

When the CNC machining parts are roughed, the cut metal layer is thicker, the cutting force and tightening force are greater, and the cutting temperature is also higher, which will cause greater deformation. According to the processing stage, the processing error caused by rough processing can be corrected by semi-finishing and finishing, so as to ensure the processing quality of the parts.

2) It is convenient to find defects in CNC machining blanks in time

Various defects of the blank (such as porosity, sand inclusion and insufficient allowance of the casting) are discovered after rough machining, which is convenient for timely repair or decision to scrap, so as to avoid unnecessary waste due to continued processing.

3) It is convenient to arrange the heat treatment process

After rough machining, stress relief heat treatment is generally arranged to eliminate internal stress. Before finishing, final heat treatment such as quenching should be arranged. The deformation caused by heat treatment can be eliminated by finishing.

4) Facilitate the reasonable use of cnc processing equipment

The rough machining allowance is large, the cutting amount is large, and the machine tool with high power, good rigidity, high efficiency and low precision can be used. The precision machining has small cutting force and small damage to the machine tool. High-precision machine tools are used. This gives full play to the respective characteristics of the equipment, which can not only increase productivity, but also extend the use of precision equipment.

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