According to the structural characteristics and technical requirements of the bracket,concentrated on the matters of improving production efficiency,reducing production cost and simplifying the die structure,the technology scheme of compound die stamping forming was worked out.For blanking compound die design,the technical problems,such as bar positioning,guiding,discharging,workpiece ejecting and optimizing die structure were solved.In terms of the compound die design for bending,flanging and bulging,by "one surface two holes" positioning method,the excursion problems were solved during the bracket being shaped.By controlling the clearance of the shaping die,the bending rebound was controlled.Practice has proved that production efficiency of the pressing technology and die design mentioned above is high, and die structure is reasonable,the shape and dimensional precision of the bracket are assured.

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