Transactions of Materials and Heat Treatment

Title：Finite element analysis of backward ball spinning of thin-walled tube with longitudinal inner ribs

Authors： JIANG Shu-yong1 SUN Jin-feng2 ZHAO Li-hong1 LI Chun-feng3(1.Engineering Training Center Harbin Engineering University Harbin 150001 China 2.College of Material Science and Chemical Engineering Harbin Engineering University Harbin 150001 China 3.School of

Unit：

KeyWords： power spinning ball spinning longitudinal inner rib finite element method

ClassificationCode：TG376

year,vol(issue):pagenumber：2009,34(4):35-38

Abstract：

Backward ball spinning was applied to thin-walled tube with longitudinal inner ribs.The state of stresses in the deformation zone was analyzed and the law of plastic flow of the metal in the deformation zone was studied by means of commercial finite element software DEFORM-3D V6.0 during backward ball spinning of thin-walled tubular part with longitudinal inner ribs.FEM results show that during backward ball spinning of thin-walled tubular part with longitudinal inner ribs,the metal in the deformation zone is caused to be in a three-dimension compressive press state,and along the direction of wall thickness of the spun part,the effective stress value and the effective strain value gradually increase from the inner surface to the outer surface.

Funds：

黑龙江省博士后基金资助

Reference：

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