MANUFACTURING APPARATUS OF STIFFENER FOR CENTER-PILLAR

摘要

Disclosed herein is a manufacturing apparatus of a center pillar stiffener having a closed section, including: a fixing shape plate; a concave cavity formed on a bottom surface of the fixing shape plate on which a blank is seated; a movable shape plate configured to slide on the fixing shape plate; a convex shaped core formed on the movable shape plate and configured to press and bend the blank toward the cavity; a mandrel inserted into the cavity to fix the bent blank; and a plurality of shape plates configured to slide over the blank and bend both ends of the blank protruding from the fixing shape plate to form a closed section.