公开(公告)号：JPH08229618A

公开(公告)日：1996-09-10

申请号：JP3803295

申请日：1995-02-27

Applicant: NOK CORP

Inventor： KURITA YOSHIYUKI ,  KUMAGAI MAMORU

IPC: B21D37/10 ,  B21D37/14

Abstract: PURPOSE: To prevent wear due to eccentricity in both faces of joining parts because the guide pin and guide bush for positioning and guiding the attaching plates of forming dies are slid over each other and also joining parts for positioning the combination of the forming dies are simultaneously joined. CONSTITUTION: In a forming die device having split dies and the guide pin or the guide bush on a pair of the attaching plates, one split die 15 and the other split die 15 have the positioning/joining part for positioning the forming cavity 16, elastic supporting parts 20 are provided in at least one between surfaces formed by holes 3, 4 of the attaching plates fit the split dies 15 or the fitting surfaces 8, 9 of the split dies 15 or the guide pin 6 or the guide bush 7 and the fitting surfaces having the elastic supporting parts 20 is made into loose fit.