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Effect of frictions on cross section quality of thin-walled tube NC bending YANG He(杨 合), GU Rui-jie(谷瑞杰), ZHAN Mei(詹 梅), LI Heng(李 恒) College of Materials Science and Engineering, Northwest Polytechnic University, Xi’an 710072, China Received 21 September 2005; accepted 16 March 2006 Abstract: The effect of frictions between dies and tube on the cross section quality of thin-walled tube......
Article ID: 1003-6326(2005)06-1264-11 Effect of mandrel on cross section quality of thin-walled tube numerical controlled bending GU Rui-jie(谷瑞杰), YANG He(杨 合), ZHAN Mei... with the structure of ball and socket on the cross section quality of thin-walled tube numerical controlled(NC) bending was studied by numerical simulation method, combined with theoretical analysis......
Cross-sectional distortion behaviors of thin-walled rectangular tube in rotary-draw bending process ZHAO Gang-yao(赵刚要), LIU Yu-li(刘郁丽), YANG He(杨 合), LU Cai-hong(卢彩红) College... distortion usually appears during rotary-draw bending process of thin-walled rectangular tube with small bending radius. To study the cross-sectional distortion of the tube, a three-dimensional finite......
Influence of tube ends constraint on hydro-bending of thin-walled aluminum tubeWANG Xiao-song, SONG Peng, ZHAO Zhong-yuan, YUAN Shi-jian(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:The hydro-bending of thin-walled aluminum tube was researched by numerical simulation and experiments. The effects of internal pressure and tube ends......
Springback of thin-walled tube NC precision bending and its numerical simulation GU Rui-jie(谷瑞杰), YANG He(杨 合), ZHAN Mei(詹 梅), LI Heng(李 恒) College of Materials Science and Engineering... tube NC precision bending. The elastic-plastic finite element method was proposed to study the springback process of thin-walled tube NC precision bending and the combination of dynamic explicit......
Thin-walled aluminum alloy tube NC precision bending based on finite element simulation GU Rui-jie(谷瑞杰), YANG He(杨 合) , ZHAN Mei(詹 梅), LI Heng(李 恒) School of Materials Science and Engineering... alloy tube NC precision bending. So thin-walled aluminum alloy tube NC precision bending based on finite element simulation is put forward. The finite element model of thin-walled aluminum alloy tube NC......
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Forming characteristics of thin-walled tube bending process with small bending radius LI Heng(李 恒) , YANG He(杨 合), ZHAN Mei(詹 梅), GU Rui-Jie(谷瑞杰) Department of Materials Forming and Control Engineering, Northwestern Polytechnical University,Xi’an 710072, China Received 10 April 2006; accepted 25 April 2006 Abstract: Currently requirements of thin-walled tube with small......
agreements with experimental results. References [1] PARK Y B, KIM H Y, OH S I. Design of axial/torque joint made by electromagnetic forming [J]. Thin-Walled Structure, 2005, 43: 828-844. [2] LEE.... Electromagnetic forming of thin metal sheets [J]. IEEE Transactions on Magnetics, 2000, 36(4): 1808-1811. [15] LI Zhong. Research on electromagnetic tube bulging and forming limit under......
Viscous Inner and Outer Pressure Forming Method of Thin-walled Tube and Its Application高铁军1,LIU Yang1,WANG Zhongjin21. Faculty of Aerospace Engineering, Shenyang Aerospace University2. School... such as reduction of the wall-thickness and instability wrinkling were analyzed. Thereby, the complex curved surface super-alloy GH3044 thin-walled tube with varying diameter ratio of 1.35(the ratio......
