深絞り加工におけるしわの発生について : 第2報 平面ダイスの場合の実験

抄録

For checking the validity of the proporsed theory, an experimental investigation of wrinkles arising in flange part during deep drawing of aluminium blanks is reported. The buckling deformation, number of wrinkles, critical and limited conditions of wrinkling were studied in case with and without blank holder by the use of spring respectively. In each case, the comparison of the experimental results with the theoretical predictions was found sastisfactory.