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Method of manufacturing press-formed article, and manufacturing line
This method of manufacturing a press-formed article includes a steel sheet heating step, a hot forging step, and a hot stamping step. In the steel sheet heating step, a steel sheet is heated to atExpand
プレス成形品の製造方法、プレス成形品、金型及びプレス装置
本開示のプレス成形品を製造する方法は、Expand
The method of manufacturing press molded articles, press-molded article and press apparatus
Method of manufacturing a press molded article according to the present disclosure includes a top plate elongated lead one end to the end portion in the short direction of the top plate, on theExpand
Procédé permettant de produire un produit moulé à la presse, produit moulé à la presse, matrice et dispositif de pressage
L'invention concerne un procede permettant de produire un produit moule a la presse, ledit procede comprenant : une premiere etape au cours de laquelle une ebauche est pressee pour mouler un produitExpand
Manufacturing method and roll forming device in the form steel longitudinally sectional shape changes
Roll forming apparatus for roll forming to produce shaped steel cross-sectional shape changes from the sheet material in the longitudinal direction, a first mold roll having an annular ridge which isExpand