Saddle-shaped press-molded article manufacturing method, pressing apparatus, and manufacturing method to manufacture saddle-shaped press-molded article
According to the present disclosure, a manufacturing method for a saddle-shaped press-molded article includes curling a blank at a top plate configuration location of the blank that will form a top plate portion, applying the curl with a first force acting from an inner face side toward an outer fac...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | According to the present disclosure, a manufacturing method for a saddle-shaped press-molded article includes curling a blank at a top plate configuration location of the blank that will form a top plate portion, applying the curl with a first force acting from an inner face side toward an outer face side of the blank at the top plate configuration location, applying the curl with a net force configured by second forces acting in mutually facing directions and a third force acting in the opposing direction to the first force at the outer face side of respective vertical wall configuration locations of the blank that will be molded into vertical wall portions, and in a state in which the top plate configuration location is curled, restraining end portion inverted ridge configuration location that will be molded into end portion inverted ridge portion, the top plate configuration location, the vertical wall configuration locations, and end portion flange configuration location that will be molded into end portion flange. |
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