三种PCD铣刀在使用过程中出现的问题及原因分析

Common problems during use and analysis of the causes of the problems:
1: Collapsing below
原因: 铣刀角度设计不合理;
2: 放下刀片 (如图所示):

原因: 焊接工艺有问题;

3: The cutter body breaks
原因:
① The feeding speed is too fast;
② The steel of the tool is unqualified;