METHOD OF ANALYZING CAUSE OF OCCURRENCE OF SHAPE DEFECT, SHAPE DEFECT CORRECTION METHOD, DEVICE FOR ANALYZING CAUSE OF OCCURRENCE OF SHAPE DEFECT, PROGRAM FOR ANALYZING CAUSE OF OCCURRENCE OF SHAPE DEFECT AND RECORDING MEDIUM

To provide a method of analyzing a cause of the occurrence of shape defect allowing for identification of a region becoming the main cause of the occurrence of the shape defect of a press-formed article due to a hot stamp construction method, and provide a shape defect correction method, a device for analyzing the cause of the occurrence of shape defect, a program for analyzing the cause of the occurrence of shape defect and a recording medium.SOLUTION: The method of analyzing the cause of the occurrence of shape defect of a press-formed article is provided that comprises a press forming analysis step, a metallic mold cooling analysis step, a first stress value calculation step, a first shape defect value calculation step, a parameter change step, a second stress value calculation step, a second shape defect value calculation step, a shape defect value comparison step, a difference value calculation step and a shape defect factor identification step.SELECTED DRAWING: Figure 1 【課題】ホットスタンプ工法によるプレス成形品の形状不良の主要な発生原因となる部位を特定可能な形状不良発生原因分析方法、形状不良修正方法、形状不良発生原因分析装置、形状不良発生原因を分析するためのプログラムおよび記録媒体を提供する。【解決手段】プレス成形品の形状不良発生原因分析方法であって、プレス成形解析工程と、金型冷却解析工程と、第１応力値算出工程と、第１形状不良値算出工程と、パラメータ変更工程と、第２応力値算出工程と、第２形状不良値算出工程と、形状不良値比較工程と、差分値算出工程と、形状不良要因特定工程と、を含むことを特徴とする形状不良発生原因分析方法。【選択図】図１