To provide a warm drawing apparatus and a warm drawing method in which a molding limit of a blank material is high.
The warm drawing apparatus supports the blank material B made of an aluminum plate material by a die 12 and a blank holder 13, makes a punch 14 approach the die 12, and draws the blank material B. Drawing beads 12a and 13a for adjusting an inflow quantity of the blank material B when performing the drawing, are formed in the die 12 and the blank holder 13. In the die 12 and the blank holder 13, projection parts 12b and 13b and recessed parts 12c and 13c are formed so that in a part where one of the die 12 and the blank holder 13 comes in contact with the blank material B, the other does not come in contact with its reverse surface, with respect to the blank material B located more on the outer edge side from the drawing beads 12a and 13a.
TAKADA TAKESHI
NIPPON STEEL & SUMITOMO METAL CORP
Takanori Mamoru
Tobata Obata