Patent ID: 9744582
Date: 2017-08-29
CPC Classifications: B21D,B30B,G01N

Claim:
1. A stamping die, comprising: an upper die member; a lower die member, the upper and lower die members movable relative to one another in reciprocating motion along an axis to generate work-pieces; and at least one guidance member removably positioned on at least one of the upper and lower die members and having a guiding surface operably disposed to guide relative movement between the upper and lower die members, the at least one guidance member having at least one wear indicator cavity recessed from the guiding surface, wherein a depth of the at least one wear indicator cavity from the guiding surface corresponds to an extent of acceptable wear of the guiding surface such that the at least one wear indicator cavity allows for visual inspection of the extent of wear of the at least one guidance member while the at least one guidance member is positioned on at least one of the upper and lower die members.