The method of manufacturing a press molded body, and press-forming apparatus

2014 
Press-molded body forming a tensile strength of 390MPa or more high-tensile steel plate having a substantially channel-shaped cross-section and comprises a continuous flange outwardly (16) (10), inhibiting wrinkles ridge line portion (12a, 12b) of , continuous outward flange (16) of the crack. A method of manufacturing a substantially channel-shaped cross-section and having an end portion having at least one side of a continuous method outward flange (16), the pressed shaped bodies (10) or more made of 390MPa high-tensile steel, wherein the method includes a first after at least a portion of the step 1, the first step, the first plate (34-1) constrains the molding material (33) for forming a groove bottom (11) portion, the second pad ( 34-2) is bound to at least a portion shaped ridge line portion (12a, 12b) of the end portion, and thereafter press-molded.
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