STAMPING ARRANGEMENT AND USE THEREOF
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United States of America Patent
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app pub date -
Aug 15, 2014
filing date -
Aug 23, 2013
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Abstract
In a stamping arrangement, during stamping a stamping punch makes contact, in the region of a punch shoulder, with a holding plate or a pressure plate between the stamping punch and holding plate. The stamping punch has a punch head and the holding plate has a receptacle for the punch head. Means for fastening the punch head to the holding plate have a pocket made in the punch head, a clamping screw screwed into a threaded bore of the holding plate, a pressure piece arranged in the axial direction of the clamping screw between the latter and the pocket, and a holding screw for the pressure piece, wherein the holding screw passes through a bore of the clamping screw and is screwed with a threaded portion into a threaded bore of the pressure piece. With the clamping screw in a screwed-in position, areal contact is made, on a side of the pocket that faces away from the punch shoulder, between a conical portion of the pressure piece and a conical portion of the pocket, and the punch shoulder bears against the holding plate or the pressure plate, wherein a screw head of the holding screw is arranged with axial play with respect to the clamping screw.
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