FABRICATION METHOD OF PROGRESSIVE DIE FOR FABRICATING NARROW AND LONG PARTS FOR CAR REINFORCEMENT BY PERFORMING RESPECTIVE PROCESSES BY ONE DIE IN ONE BLANK PRESS

摘要

Purpose: in order to provide a manufacturing method an of mold, it is used to form the length for an automobile and big precision product, wherein by completely executing cutting operation and strip edge support operation later in form, separate transfer unit for a tandem process is not necessarily to, the state of a pressure is continuously supplied at one, punching and trim process on one point is dead. Construction: in continuous mold,It, which is used to produce, is operated as the long and big stiffening piece of auto parts by stamping die,The progressive die is characterized in that for manufacturing long and large car stiffening piece manufacturing method,One piercing process(S1)A mold include a support rod part(1),One piercing portion(2)With a reference mark piercing portion(3),One piercing process(S2)A mold,It is connected to piercing process(S1)Mold,Including a reference mark pin portion(4)Part is rectified with one(5),A continuously trim (ming) die part(S3)Continuous mold,First bending die part(S4),Second bending die part(S5),Change positive mould part(S6)With other one or more mould parts(S7 ,S8)In one pressure of body die insertion single as one.