Abstract: A method for manufacturing a press-molded article may include molding a blank material which is a steel plate into a press-molded article by sandwiching the blank material between a first molding surface and a second molding surface of a die, and press-molding the blank material into a predetermined shape. The method for manufacturing a press-molded article may include irradiating a predetermined portion of the press-molded article with infrared light after removing the press-molded article from the die.

Abstract: A method for manufacturing a press-molded article may include molding a blank material which is a steel plate into a press-molded article by sandwiching the blank material between a first molding surface and a second molding surface of a die, and press-molding the blank material into a predetermined shape. The method for manufacturing a press-molded article may include irradiating a predetermined portion of the press-molded article with infrared light after removing the press-molded article from the die.

Abstract: A press molding device includes a first die for supporting the work piece and a second die arranged to face the first die. The first die includes a punch including a first molding surface for molding the work piece and a blank holder that is movably arranged along a side surface that extends from the first molding surface of the punch and includes the supporting surface for supporting the end portion of the work piece. The second die includes the die portion that includes the second molding surface that faces the first molding surface and is used for molding the work piece and the trimming portion configured integrally with the die portion. The trimming portion includes the blade portion for cutting the end portion of the work piece. The die portion includes a flow path for circulating a refrigerant to cool the work piece along the second molding surface.

Abstract: During the press forming process of forming a blank sheet material while clamping a die on a punch, a trim portion is clamped between a trim holding step and a cut holder in such a state that elastic force of a spring mechanism is being applied on the trim portion. As a press forming operation by the die goes on, the trimming blade is relatively moved along an outer margin of a punch-side forming surface portion while the cut holder opposes elastic force of the spring mechanism by receiving pressing force of the trim holding step so that the trimming blade shears and cuts off the trim portion between the trimming blade and the tip end corner on the outer margin of the punch-side forming surface portion.