Transactions of Materials and Heat Treatment

Title：Research on spring back in compound bending forming of knives of the template

Authors： Shandong University of Technology Guan Yanjin Ji Zhong Wang Zuocheng Luan Yiguo Sun Sheng

Unit：

KeyWords： Template Bending forming Spring back Finite element method(FEM)

ClassificationCode：TB125

year,vol(issue):pagenumber：1999,24(5):25-26

Abstract：

Compound bending forming is a flexible sheet metal forming process.The finite element analysis of the compound bending forming process is done for knives of the template.The spring back in the forming procedure is investigated.The relationship is established between the angular angle of the external ring and the spring back angle of sheet metal,the influence of fillet radius of the inner ring on the spring back of sheet metal is analyzed.To some extent,this will guide the compound bending forming of knives of the template.

Funds：

Reference：

1　王孝培冲压手册 (第2 版) 北京: 机械工业出版社, 1990
2　肖军, 李尚健金属材料弯曲成形计算机模拟进展塑性工程学报, 1997, 4 (2): 3～7

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