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分析了几种不同形状的前刀面刀具,肯定了“双球形坑”前刀面刀具,在较大的切削范围内,具有良好的断屑效果。
Several kinds of rake knives with different shapes were analyzed, and the “double-spherical pits” rake face knives were affirmed. In the larger cutting range, there was a good chip breaking effect.