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of view, the present work aims to investigate the cross-sectional distortion behaviors of thin-walled rectangular 3A21 aluminum alloy tube in rotary-draw bending process by using FE numerical simulation... numerical simulation results. Thus, the basic mechanical property parameters of thin-walled rectangular aluminum alloy 3A21 tube have been obtained, such as elastic modulus E=60.2 GPa, Poisson ratio υ=0.33......
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......
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......
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......
aluminum alloy tubes with small bending radii, particularly, effects of process parameters. Much research work, using FEM and experiments, has been carried out on the thin-walled tube bending processes... of process parameters on tube wall thinning and cross section distortion during NC bending processes for large diameter thin-walled aluminum alloy tubes with small bending radii. 2 Experimental 2.1......
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......
-walled tube NC bending process. In the study, a dynamic explicit FE model for aluminum alloy thin-walled tube NC bending process is developed to predict the wrinkling by using FE code ABAQUS/Explicit.... Key words: aluminum alloy; tube bending; wrinkling; critical bifurcation point; ABAQUS/Explicit 1 Introduction The thin-walled tube NC bending technology has been applied widely in aviation......
graph of deformed aluminum tubes are shown in Fig.9. The deformation at the tube end is greater than that at the center in the cases of 60 and 80 mm in length, because their dimensionless length lies... 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......
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......