硬质合金刀具境界破损的机理及其控制

STUDY ON THE FORMING MECHANISM OF BOUNDARY NOTCH CEMENTED CARBIDE CUTTING TOOL

本文对硬质合金刀具境界破损进行了实验研究与理论分析，定义了境界破损的主要尺寸，指出了影响刀具产生境界破损的主要因素，揭示出境界破损的形成过程及其变化规律，进而提出了若干抑制或减少境界破损的技术措施。

In this Paper,the fornign mechaism of boundary notch of cemented carbide cutting tool is studied and related theories is analyzed,give a definition of the boumdary notch size,Point out main factors to influence boundary notch of tool. And forming Processes and change lay of the boundary notch of tool are found out,a certain numbes measured to decrease and control the bounday notch of tool have advanced.