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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......
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... numerical controlled(NC) bending was studied by numerical simulation method, combined with theoretical analysis and experiment. The results show that the frictions between mandrel, wiper, pressure die......
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 and experiment. Influencing factors of the mandrel include the count of mandrel heads, the diameter of mandrel and its position. According to the principle of NC tube bending, quality defects possibly......
the plastic deformation characteristics with small bending radius were investigated. The main results show that: 1) The utmost deformation feature of the NC bending process is its continuous progressive... to the FE simulation. The simulation results are verified by experiment. Key words: tube bending; forming characteristics; small bending radius; ABAQUS/Explicit 1 Introduction Thin-walled tube NC......
; Abstract: Numerical control(NC) bending experiments with different process parameters were carried out for 5052O...; 1 Introduction The research and development of numerical control (NC) bending processes for large diameter thin-walled aluminum alloy tubes......
Trans. Nonferrous Met. Soc. China 22(2012) 147-156 Significance-based optimization of processing parameters for thin-walled aluminum alloy tube NC bending with small bending radius XU Jie, YANG He...; accepted 27 June 2011 Abstract: Thin-walled aluminum alloy tube numerical control (NC) bending with small bending radius is a complex process with multi-factor coupling effects and multi-die......
Trans. Nonferrous Met. Soc. China 28(2018) 298-308 A modified Johnson-Cook model for NC warm bending of large diameter thin-walled Ti-6Al-4V tube in wide ranges of strain rates and temperatures Zhi..., China Received 20 September 2016; accepted 24 March 2017 Abstract: Numerical control (NC) warm bending is a proven strategy to form the large diameter thin-walled (LDTW) Ti-6Al-4V tubes, which......
Rui-jie, ZHAN Mei, LI Heng. Effect of frictions on cross section quality of thin-walled tube NC bending [J]. Trans Nonferrous Met Soc China, 2006, 16(4): 878-886. [12] LI Heng, YANG He, ZHAN Mei, GU... 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......
-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......