Influence of friction on springback of quadrangle parts bending

被引：1
|
作者：
Su Chun Jian [1 ]
Zhang Guang Heng [1 ]
Guo Su Min [1 ]
Gao Li [1 ]
Ma Rui [2 ]
机构：
[1] Shandong Univ Sci & Technol, Coll Mech & Elect Engn, Qingdao 266510, Peoples R China
[2] Yan Shan Univ, Coll Mech Engn, Qinhuangdao 066004, Peoples R China
来源：
HIGH PERFORMANCE STRUCTURES AND MATERIALS ENGINEERING, PTS 1 AND 2 | 2011年 / 217-218卷
关键词：
friction; springback; quadrangle parts; sheet bending;
D O I：
10.4028/www.scientific.net/AMR.217-218.619
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Springback is the prominent problem in bending forming of sheet metal, which is difficult to control accurately, especially for the complex shaped bending parts. The change of friction conditions will cause significant changes of bending springback amount. The theoretical analytical model of quadrangle parts bending, which takes into account of the harden ability, anisotropy and elastic deformation of material, is proposed in this paper based on the plane deformation assumption and the bending theory of sheet metal, the quadrangle parts bending of wide sheet is analyzed theoretically, the approximate calculation relational expression is derived between friction coefficient and springback angle, and the influence of friction on springback is discussed. In the same conditions, the springback result deduced from theoretical formula is basically consistent with numerical simulation and experiment result.
引用
收藏
页码：619 / +
页数：2
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