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Punching parts are thinner, more even, lighter, stronger than casting and forging parts.To enhance the rigidity, punching can manufacture the workpiece with stiffeners, rib, ups and downs or flanging, which other difficult methods won’t do that.
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Punching parts are mainly processed metal or nonmetal sheet materials with the pressure of press machine into shaping through punching dies, main features as followings: surface and extension of hardware punching parts sheet materials greatly affect on punching waste, thickness of punching materials is demanded to be rough and uniform; shiny surface, no spot, no scar, no bruise, no surface crack, etc; well-distributed strength, no bias; high stretch rate; low yield ratio; low manufacturing hardenability; punching parts have higher dimensional accuracy,  keeping same size with dies, better interchangeability.

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