The main cutting edge of the face milling cutter is distributed on the surface of cylinder or cone, and the end cutting edge is the secondary cutting edge. The axis of the milling cutter is perpendicular to the machined surface. According to the material of cutter teeth, it can be divided into two categories: high-speed steel and cemented carbide. The cutter body material is 40Cr.

According to the national standard, the diameter of high-speed steel face milling cutter is 80-250mm, the helix angle is 10 degrees, and the number of cutter teeth Z is 10-26.

Compared with high-speed steel milling cutter, carbide face milling cutter has higher milling speed, better surface quality, and can process workpieces with hard skin and hardened layer, so it has been widely used. The carbide face milling cutter can be divided into three types: integral type, clamp-welded type and indexable type according to the installation mode of the blade and the cutter teeth.

Face milling cutter is mainly used to process step surface and plane on vertical or horizontal milling machine. It is especially suitable for processing larger plane. Face milling cutter with main deviation angle of 90 degrees can mill wider step surface at bottom. Face milling cutter is used to process plane, and there are many cutter teeth and the polishing effect of the auxiliary cutting edge. It can reduce the roughness of the machined surface. Therefore, it can be used with larger cutting parameters, high productivity and wide application.

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