The "breaking edge" phenomenon produced in the cutting process is analyzed theoretically. The effective preventive measures for the "breaking edge" phenomenon are also presented.

分析了切削过程中产生的“扎刀”现象并提出防止“扎刀”的有效措施。

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The maximum tool effective stress is located in the flank face near cutting edge and the shear deformation zone on the workpiece.

最大刀具等效应力出现在前刀面上切削刃的周围，工件上最大等效应力出现在第一变形区。

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