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Investigation on Springback Rules in Bending Forming of Tailor-welded Blanks
Author(s): 
Pages: 79-82
Year: Issue:  19
Journal: Hot Working Technology

Abstract: 采用正交试验设计与有限元仿真技术相结合的方法,对具有横向焊缝的拼焊板的回弹进行了研究.以U形件的弯曲成形过程为研究对象,分析了三个重要的因数厚度比、强度比和板宽对拼焊板回弹的影响.结果表明,拼焊板在成形过程中薄侧和厚侧的回弹存在着较大的差异,板的强度比对拼焊板薄侧的回弹影响最为显著,板的宽度和板的厚度比对拼焊板厚侧的回弹影响较显著,但这种趋势并不完全成线性.取模拟结果中的三组数据进行了实验验证,实...
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