How to choose the correct milling cutter

Milling knives are excellent in the performance of hardware products. These products can play a role in high-end manufacturing, and its status is very important. The common sense of milling cutters is a project that should be carefully explained by the manufacturer to understand the principles behind the correct use of the product. So, how is the milling cutter correctly selected?

In order to prolong the life of the mold, the hardness of the material to be cut also has an upward trend, so higher requirements are placed on tool life and processing efficiency in high-speed machining of high-hardness materials. Normally, we can choose the end mill from three points:

The type of tool coating is selected according to the type and hardness of the workpiece to be machined. For processing workpieces with hardness below HRC40, such as carbon steel, MIRACLE40 coating from Mitsubishi Materials Corporation can be used. When processing alloy steel S, tool steel and other workpieces with hardness of about HRC50, MIRACLE coating can be used. In the processing of workpieces with higher hardness, the tool shape, carbide material and coating can be selected for high hardness processing MIRACLE coating for high hardness materials.

The shape of the end mill neck is selected according to the shape of the machined workpiece. The neck shape of the ball end mill is divided into standard type, long neck type and tapered neck type, which can be selected according to the processing depth and shape of the workpiece. The long neck type and the tapered neck type can be deep-drilled, and the interference angle should be considered when selecting between the two. At the same time, compared with the long neck type, the tapered neck end mill has high rigidity, can improve the cutting conditions, and achieve better machining accuracy. The tapered neck end mill should be selected as much as possible.

Select end mills with different ball head accuracy according to machining accuracy. Ball end mills typically have a circular arc accuracy of ±10 μm, but there are also ±5 μm high-precision end mills that can be used for high-precision machining.

How to choose the correct milling cutter? From the above introduction, the production and processing of the milling cutter is not as simple as imagined. It is necessary to carefully read the product manual before use, which will make our application in the milling cutter smoother. Therefore, manufacturers need to be familiar with industry standards, and can safely dispose of the use of the product, otherwise it will cause harm.

Editor in charge: Wang Zhen

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