I would like to submit tool-life data to you please see detail in attached file.
About your question, It difficult to reply answers to you ,Let me discuss with my team first,
That how to start study about tool-life short time ? Because this problem there are many factors that affect to lifetime such as material , setting, tool dimension…etc.
Now we don’t know real root cause , We know that if product NC or NC should change tool .
The first thing we should do is set a new lifetime as actual tool life and balance tool in TAT stock for protect order short lead time problem