Transactions of Materials and Heat Treatment

Title：Research on movement law of welding seams in deep drawing process of tailor-welded square boxes

Authors： Inner Mongolia Polytechnic University Zhu Baoquan Ma ZhanguoInstitute of Metal Research Academia Zhang Shihong Xu Yi

Unit：

KeyWords： Tailor welded blanks Square boxes Deep drawing Welding seams movement

ClassificationCode：TG386

year,vol(issue):pagenumber：2003,28(2):25-27

Abstract：

The tailor welded blanks are increasingly used in automobile manufacture and other industries.Square box is one of the typical workpieces in sheet metal processes. It is very important to study on the movement law of welding seams in the deep drawing process of tailor welded square boxes.The movement of welding seams of tailor welded blanks combined by different material and different thick sheet metal is studied in this paper.Meanwhile explicit finite element method DYNAFORM is used for simulation of the movement of welding seams.For verification ,experiments of deep drawing square boxes are carried out.The simulation results are in good agreement with the experimental results.

Funds：

内蒙古自治区自然科学基金资助项目 (2 0 0 1 0 90 2 - 0 7)

Reference：

1　FISunders,RHWagoner.FormingofTailor-WeldedBlanks.MetallurgicalandMaterialsTransactionsA ,1996(9):2605～2616
2　MFShi,KMPicket,KBhatt.FormabilityIssuesintheApplicationofTailor-WeldedBlankSheets.In:SAEPaper930278Internation alCongressandExposition,Detroit(USA),1993:1～5
3　张士宏,朱宝泉等.拼焊板方盒件拉深非均匀变形的计算机模拟研究.塑性工程学报,2001,8(2):49～51
4　马占国.拼焊板方盒件拉深不均匀变形的数值模拟与控制内蒙古工业大学硕士学位论文2001

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