DRAWN GOODS MODEL PREPARING SYSTEM AND DRAWN GOODS MODEL ANALYZING SYSTEM PROVIDED WITH IT, DRAWN GOODS MODEL PREPARING PROGRAM AND DRAWN GOODS ANALYZING PROGRAM PROVIDED WITH IT

摘要

PROBLEM TO BE SOLVED: To prepare the model of drawn goods provided with a die face part which is near actual shape. SOLUTION: This drawn goods model preparing system comprises: a temporary drawn goods model preparing means for preparing a temporary drawn goods model which is provided with a product part and a temporary shape die face part on the basis of a product data base; a developed planar model preparing means for preparing a developed planar model by developing the temporary drawn goods model on a plane so that strain energy becomes minimum; an outline element specifying means for specifying the elements of the developed planar model through which the outline of a metal plate is passed by arranging the metal plate of a base stock of the drawn goods in a developed planar model; and a drawn goods model correcting means for obtaining the adequate drawn goods by finding the element of the temporary drawn goods model corresponding to each element of the developed planar model specified by the outline element specifying means, setting a trimming line which is passed through the found elements and correcting the temporary shape of the die face of the temporary drawn goods model into the adequate shape by trimming the temporary shape on this trimming line. COPYRIGHT: (C)2008,JPO&INPIT