In addition to the main cutting edge on the circumferential surface, the three-sided milling cutter also has secondary cutting edges on both sides, thereby improving cutting conditions, increasing cutting efficiency and reducing surface roughness. It is mainly used for milling the step surface and groove surface of metal materials with medium hardness and strength, and can also be used for the processing of non-metallic materials. The three-sided edge milling cutter of superhard material is used for milling the step surface and groove surface of difficult-to-cut materials. processing. It is mainly used for milling grooves of fixed size, but also general grooves, stepped surfaces and side surfaces.
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