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Abstract：
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The zipper puller has complex shape.There are shaping requiments of different thickness warping,bending around and negative bending angle for it.To improve the efficiency,the manufacturing mode of single procedure with 11 sets of dies on stamping production line was replaced by progressive die production.Many difficulities were met in designing the stamping process and progressive die.Through detailed analysis of the structure characteristics and stamping technology of the zipper puller,parts of the linear layout and stamping mould were designed.Innovative design plays a key role by combining the design of extrusion and adopting the multi-level punch and oblique layout etc..The die was manufactured and the part was produced.
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AuthorIntro：
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Reference：
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