1997-02-24

A Fast Springback-Based Design Tool for Automotive Stampings 970434

This article describes a fast design oriented tool to provide predictions of springback in automotive stampings. The new program, FAST_SPRINGBACK, utilizes the results of another membrane finite element code, FAST_3D, which performs a one step simulation of the forming process. The significant feature of the new springback tool is its ability to quickly predict the different modes of springback deformations as well as residual stresses that will affect the final shape and performance of the formed part. An important aspect of the program is its capability to integrate with existing CAD tools, thus enabling the designer to perform checks on the candidate part geometry in the early design stages.

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