What are the benefits of the rake angle of CNC machining tools before and after cutting?

Jan .10.2026
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    Precision parts machining enterprises know that the direct and effective way to reduce machining costs is to apply turning effectively to different parts of CNC tools. Therefore, in order to select suitable CNC tools, in addition to choosing appropriate tool materials, it is also necessary to understand the geometric angle characteristics of CNC machining tools.

Alloy Accessory Machining

In general, the rake angle has a significant impact on cutting force, chip evacuation, and tool life. So what are the benefits of using a CNC tool for angled cutting during CNC machining?


1. By using a rake angle, the resistance encountered during cutting can be reduced, thereby improving cutting efficiency;


2. It can lower the temperature and vibration generated during cutting, enhancing cutting accuracy;


3. It reduces tool wear and extends service life;


4. By selecting the correct tool material and cutting angles, the rake angle can minimize tool wear and improve the reliability of the cutting edge.

Custom non-standard parts

And many processing enterprises choose end milling in the CNC machining process. What are the benefits of this approach?

A large rake angle cutting can reduce the wear of the flank face, so using a large rake angle and a small rake angle can extend the tool life without suddenly increasing the loss of the inclination angle;

2. Generally, when cutting softer and more resilient materials, melting is more likely to occur. Melting increases the incident angle and contact area of the workpiece, thereby increasing cutting resistance and reducing cutting accuracy. Therefore, if such materials are cut at a higher incident angle, this situation can be avoided.

   Anyone familiar with machining knows that CNC aluminum production and processing is a non-trivial technical task. It cannot be accomplished simply by operating equipment arbitrarily. The quality of work produced by apprentices and experienced manufacturing masters can be quite different. Therefore, when machining is required, it should be entrusted to a reliable CNC aluminum processing manufacturer for production.

    Changyuanfeng Precision is a professional CNC machining aluminum alloy manufacturer specializing in machining. With 13 years of experience in aluminum alloy production, Changyuanfeng Precision has been continuously developing. In terms of precision, Changyuanfeng Precision has introduced five-axis machines, achieving a machining accuracy of ±0.02mm. From the perspective of production staff, the senior technicians at Changyuanfeng Precision have about five years of experience in machining production, and the aluminum alloy parts they produce have smooth surfaces and high precision. As for delivery time, with more than 165 CNC machining equipment, Changyuanfeng Precision can easily meet delivery requirements. 

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