In the finishing setup id finishing tool running time part tighting washer will be slipped and part moved front and sound will came and insert will be brocken. so stop the machine and check the part.it will  -.1(minous) side so load the another new part and change the insert corner and -0.3 taken in wear offset and run the part but it will taken the extra cut and part will become +0.015 oversized. 