| 摘要 |
PROBLEM TO BE SOLVED: To enable application of a high-precision work to a metal plate material, and reduce the camber and distortion of a separator of a fuel battery.SOLUTION: In a press molding method, a metal plate material 21, from which an overhanging part is formed by press molding, is molded by being sheared at a part except the overhanging part. A bead 216 is formed on the other side of the overhanging part with a shear position in between. The bead 216 is crushed before shearing. |
