Patent ID: 9189592
Filing Date: 2015-11-17
Classification: B21D,G01N,G06F,Y02T

Abstract:
1. A tester apparatus for obtaining a forming limit diagram, the tester apparatus comprising: a fixing jig configured to accommodate a sample on an upper surface of the fixing jig; a mobile jig installed adjacent to an upper side of the fixing jig which is configured to move in a vertical direction and configured to fix the sample in cooperation with the fixing jig, when a sample is placed on the fixing jig; a driving apparatus disposed at a lower side of the fixing jig configured to drive the vertical movement of the mobile jig; an interlocking apparatus provided in between the mobile jig and the driving apparatus configured to deliver a driving force of the driving apparatus to the mobile jig; a punch installed at an upper side of the mobile jig which is configured to move in a vertical direction to perform a forming on the sample; a guide rod which extends downward from a lower surface of the punch; and a guider provided at the mobile jig to guide forward and backward vertical movements of the guide rod.