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Talking about the precautions of CNC machining technology

Release date:Oct 18,2019 Source:Bole Pageviews:-

The processing of large-scale CNC machining is similar to that of ordinary lathes. However, since the CNC lathe is a single clamping and continuous automatic machining to complete all turning operations, the following aspects should be noted.


Reasonable choice of cutting amount, for high-efficiency metal cutting, the material to be processed, cutting tools, cutting conditions are the three major elements. These determine machining time, tool life and machining quality. A cost-effective processing method must be a reasonable choice of cutting conditions.

The three elements of the cutting conditions: cutting speed, feed rate and depth of cut directly cause damage to the tool. As the cutting speed increases, the tip temperature rises, causing mechanical, chemical, and thermal wear. Cutting speed is increased by 20% and tool life is reduced by 1/2.

The feed condition is related to the wear behind the tool in a very small range. However, the feed rate is large, the cutting temperature rises, and the rear wear is large. It has less effect on the tool than the cutting speed. Although the depth of cut has no effect on the cutting speed and the feed rate, in the case of small depth cutting, the hardened layer is produced by the material to be cut, which also affects the life of the tool.

The user should select the cutting speed to be used according to the material to be processed, hardness, cutting state, material type, feed amount, depth of cut, and the like. The following table:

The selection of the most suitable processing conditions is selected on the basis of these factors. Regular, stable wear and longevity are ideal conditions.

BOLE RP&M CO.,LTD. was established in 2007,and now it is a professional rapid prototype ,DUG 5 axis machining,4 axis small batch precision machining,vacuum casting,sheet metal fabrication,lathe turn milling,3D printing and injection molding manufacturer.

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