Automobile fender side flanging, side shaping and side punching composite die
A technology for automobile fenders and composite molds, which is applied in the field of composite molds for side turning, side shaping, and side punching of automobile fenders. It can solve the problems of lower production efficiency, compound stamping process, and heavy quality, and reduce the number of processing strokes. Cost, reduced floor space, development cost saving effect
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[0051] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0052] like figure 1 The geometric model of a SUV model wing plate product is made of JAC270D-45 / 45. It is equivalent to Baosteel material DC54D + ZF-45 / 45, plate thickness 0.65mm, yield strength ys = 120 ~ 220MPa, tensile strength TS = 260 ~ 350MPa, machining hardening index n ≥ 0.2, thickness index R≥1.8, off the elongation EL ≥ 36%, the outer contour size of 1018 mm × 780 mm × 212 mm. The automotive wing plate is constructed of complex space curved surface, the type curvature is small, the adjacent surface curvature is high, with side circumference, triangle window, front door, skirt side guard, wheel eyebrow, front bumper, Multiple assembly relationships in front headlights, hoods and other components.
[0053] The wing plate OP10 is a pull-out, in order to ensure that the wing plate is formed, avoiding cracking, wrinkling, and facial defects, th...
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