可变闭合力对DP1180钢冲压成形的回弹控制研究
丁悦婕, 王一文, 王武荣, 韦习成, 赵杨洋

Springback Control of DP1180 Steel Stamping by Variable Closing Pressure
DING Yuejie, WANG Yiwen, WANG Wurong, WEI Xicheng, ZHAO Yangyang
图7 圆角处应力分布变化示意图
Fig.7 Schematic diagram of stress distribution change at fillet