Mate Precision Tooling, Inc.

Mitchell I Elsmore

Bruce Thielges

Dennis K Lowry

Steve H Thomson

Ronald C Windingstad

Bruce M Thielges

A punch assembly for a turret-type punch press includes an outer guide sleeve having an inner bore in which a punch shank fits for reciprocating but not rotating movement. The punch shank has a concentric, downward opening formed in a lower end in which is received a head portion of an insert that has a punch point formed on it. Built into the shank is a latching mechanism for releasably wedging and thereby securing the insert to the lower end of the shank.

Punch assembly with steel punch point insert removably secured therein

A punch assembly for a hydraulic punch press machine that affords the ability to compensate for punch point metal loss due to resharpening by facilitating accurate repositioning of the punch point relative to an aperture in a stripper plate through which the punch point member projects during a stamping stroke of the punch assembly.

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Cottage Grove, MN, United States of America

Mitchell I Elsmore