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齿根圆角半径过小、分齿面不恰当和刨削刀痕严重是导致锯条崩齿的主要原因。对热处理工艺和背材的选择提出了建议。
Radius of the root fillet is too small, sub-tooth surface is not appropriate and planing knife marks is the main cause of tooth collapse. Suggestions for heat treatment process and choice of backing material are given.