The tools failure and the methods to control it better will be mainly dis cussed in this article,it will be helpful to work out the control plan,and als o be helpful to guarantee the product quality.

• 文章提出了刀具在PFMEA中的潜在失效因素及控制手段,对控制计划的编制完善,保证产品质量具有一定的支持作用。