Mechanism Of Small Hole Punching On Thick Blank And Study On Die Life-span

Posted on:2009-09-06

Degree:Master

Type:Thesis

Country:China

Candidate:L Q Wei

Full Text:PDF

GTID:2121360242996153

Subject:Materials Processing Engineering

Abstract/Summary:

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As the development of punching technology and its expansion of application, many parts pressed with thick blank.This can not only ensure the enough intension and rigidity,but improve working productivity,then consequently low the cost of the production.Thick steel blank punching,especially small hole punching on thick steel plate(4

Keywords/Search Tags:

Thick steel plate, Small hole punchiong, Fracture criteria, Numerical smulation, Life of die

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