PRESS FORMING METHOD FOR METAL SHEET

摘要

PROBLEM TO BE SOLVED: To provide a forming method which forms irregularities by press forming only a fragile area in a precision press forming of a metal sheet. SOLUTION: A metal sheet 1 such as a steel sheet or a stainless steel sheet is blanked and in a part of which numerous holes in a reticulate shape are formed. The area with numerous holes is heated by a heating device such as a burner and then press formed into irregularities with desired press dies 3a and 3b. COPYRIGHT: (C)2004,JPO