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Study on the Spreading Method of Sheet Metal Parts with Buckles

WU Jianjun (School of Mechatronics,Northwestern Polytechnic University,Xi'an 710072,Shanxi China)  
Against some problems in the spreading practice of sheet metal components with buckles feature,a new radial spreading approach with a concern of outside normal direction of the buckles,which is based on multi-referenced points,has been developed.Through practical application,the effectiveness and usefulness of this approach have been evaluated,and the obtained blank shape is more reasonable,which gives a good initial guess values for the one-step quickly analysis and optimum.
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