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基于有限元分析的精冲凸模的变形及其对成形质量的影响

Hot Working Technology(2011)

Cited 2|Views10
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Abstract
采用DEFORM-2D有限元分析软件模拟了精冲过程中凸模的变形,研究了凸模材料、凸凹模间隙和凹模圆角等对精冲凸模应力、应变及成形件质量的影响。结果表明:采用弹性模量较大的凸模材料可以降低精冲过程中凸模的变形量,提高成形工件的质量;精冲间隙对模具的应力、应变和工件的成形质量有很大的影响;一定的凹模圆角可以降低凸模的应力,减小凸模的变形,对提高模具寿命和改善零件质量有着重要的作用。
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Key words
stress and strain analysis,finite element,fine stamping,deformation
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