Transactions of Materials and Heat Treatment

Title：Thinning coefficient of sheet metal bending

Authors： FENG Yang LIU Yi RUAN Feng(School of Mechanical and Automotive Engineering South China University of Technology Guangzhou 510640 China)

Unit：

KeyWords： strain neutral layer bending thinning coefficient

ClassificationCode：TG335.5

year,vol(issue):pagenumber：2009,34(3):51-52

Abstract：

The computation expression for the strain neutral layer of stress and plastic bending was introduced and so the thinning coefficient computing formula of sheet metal was deduced. When compared with the experimental data in former literature and the finished bending parts, the computing formula was consistent with practical application. The computing formula was revised after error analysis of experimental data, and the precision of thinning coefficient was improved by the revised formula.

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Reference：

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[4]李硕本.冲压工艺学[M].北京:机械工业出版社,1982.

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