Method For Manufacturing Press Molded Item, And Press Line

Abstract: [Solution] A method for manufacturing a press-molded item (200), the method being characterized by comprising: press-molding a metal plate into a preformed item (100) provided with a preformed bottom plate part (110), a first preformed vertical wall part (120a), a second preformed vertical wall part (120b), a preformed ridgeline part (130) located between the first preformed vertical wall part (120a) and the second preformed vertical wall part (120b), and a bulging part (140) located between the preformed bottom plate part (110) and the first preformed vertical wall part (120a)/second preformed vertical wall part (120b); and press-molding the preformed item (100) into a press-molded item (200) provided with a bottom plate part (210), a first vertical wall part (220a) adjacent to the bottom plate part (210), a second vertical wall part (220b) adjacent to the bottom plate part (210), and a ridgeline part (230) located between the first vertical wall part (220a) and the second vertical wall part (220b).

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