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切削刀具的切削刃预处理目的是制造出符合规定的切削刃形状。这样可以减少磨损并改善工件的表面质量。通过射流预处理麻花钻的切削刃,在副刃影响小的时候使主刃和横刃形成均匀的倒棱。
The purpose of cutting edge cutting tools is to create a conforming cutting edge shape. This reduces wear and improves the surface quality of the workpiece. The twist of the twist drill is pre-treated with a jet to create a uniform chamfer on the main edge and the chisel edge when the secondary edge effects are small.