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Method of choosing geometrical Angle of solid carbide end mill

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The solid carbide end mill is a rotary end mill with one or more cutter teeth. When working, the cutter teeth cut the rest of the workpiece in turn. An integral carbide end mill is mainly used for milling upper surface, step, groove, forming surface processing, and cutting the workpiece. There are many ways to choose a solid carbide end mill geometry, including the following:

Solid Carbide End Mills - Zand Tools

(1) The choice of front Angle. The front Angle of the solid carbide end mill should be determined according to the material of the cutter and the workpiece. Milling often produces impact and should ensure that the cutting edge has high strength. In general, the overall carbide end mills inclination is less than the turning tool, HSS than the carbide end mill, and should take a larger front Angle milling plastic materials, because the larger cutting deformation milling brittle materials, the inclination should be smaller; Negative harrows can also be used when machining materials of high strength and hardness.

(2) The choice of blade Angle. Solid carbide end mill, outer spiral Angle, this is Angle S. This allows the cutter teeth to gradually cut in and out of the workpiece, improving milling stability. Increasing β can increase the actual rake Angle, sharp cutting edge, and ease to chip. For the integral cemented carbide cutting tool with a narrow edge, it is not significant to increase the helix Angle β, generally, choose β= 0 or a smaller value.

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