Composite tool having wear indicator

摘要

An indicator that provides information on the wear status of a composite tool that is subject to abrasion during use. The composite tool contains at least one wear groove in the area subject to abrasion. The wear groove has a desired length and predetermined depth. The wear groove is formed of a desired length and of a predetermined depth into the tool in the area subject to abrasion. During use of the tool in composite forming, the tool is inspected for the presence and depth of the wear groove thereby indicating the wear status of the tool.