A gage or pattern made in a The machined recess in a die that gives the forging its shape. department, usually from sheet steel; used to Crack in a die impression, generally due to forging pressure and/or excessive die temperature. Die blocks too hard for the depth of the die impression have a tendency to check or develop cracks in impression corners. dimensions on forgings and as an aid in The operation of machining the impression of a desired forging into die blocks. The machined recess in a die that gives the forging its shape. impressions in order to correct dimensions.