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SAE

SAE 2009-01-1175 : 2009

Analysis of Trimming Processes for Advanced High Strength Steels

Standard Details

Presented are analytical and experimental results for both the conventional trimming process and a recently developed robust trimming process, which involves dulling the upper trimming tool and providing elastic offal support. The robust process, which has strong potential to lower the requirements for the accuracy of trim die alignment, is analyzed. Material flow of the trimming process is modeled numerically using the commercially available LS-Dyna finite element program and an in-house finite element program, called Solid 2D. An experimental technique, which provides plane strain material deformation data as a function of hydrostatic pressure has been developed. Experimental results from the plane strain FLD test and a single interrupted trimming test were obtained in order to find agreement between analytical and experimental results. Analysis of the mechanisms of blank separation in conventional trimming and trimming with an elastic scrap support is also provided.

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General Information

Status : ACTIVE
Standard Type: Main
Document No: SAE 2009-01-1175 : 2009
Document Year: 2009

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SAE 2009-01-1175 : 2009
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