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Special-shaped tube drawing forming and conformal optimization of die cavity QI Hong-yuan(齐红元), ZHU Heng-jun(朱衡君) School of Mechanical and Electric Control Engineering,Beijing Jiaotong University, Beijing 100044, China Received 20 April 2006; accepted 30 June 2006 Abstract: Aiming at the issues in quick processing and modeling design of drawing special-shaped tube die, by Conformal......
are generated for special-shaped products. 2) Die cavity with three kinds of vertical curves are optimized by the upper bound method. References [1] KEUN K. An upper bound solution of tube drawing [J... Similar extrusion and mapping optimization of die cavity modeling for special-shaped products QI Hong-yuan(齐红元), WANG Shuang-xin(王爽心), ZHU Heng-jun(朱衡君) School of Mechanical and Electric Control......
A simplified approach for negative skin friction calculation of special-shaped pile considering pile-soil interaction under surchargeKONG Gang-qiang(孔纲强)1, ZHOU Hang(周航)1, LIU Han-long(刘汉龙)1, DING..., USA)Abstract:A simplified approach was proposed to analyze the negative skin friction calculation of special-shaped pile considering pile-soil interaction under surcharge. Based on the concentric......
Fine Extruding Deformation and Modeling Optimization of Die Cavityin Special-Shaped Products Zhu Hengjun1,Qi Hongyuan1 (1.School of Mechanical and Electric Control Engineering, Beijing Jiaotong...-dimension deforming, surface function of die cavity, and mapping function between the plastic flow model and the axis-symmetry model were set up respectively for fine extruding special-shaped products......
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Analysis of High-temperature Boiler Tube Failure for T91 &T22 WANG Zheng-pin1,DING Hui2,LIU Jiang-nan1,ZHAO Ling-song3,SHU Guo-gang2,ZHAO Yan-fen3,ZHANG Lu3,XUE Fei3 (1.Xi'an Institute of Technology, Xi'an, Shanxi;2.Wuhan University, Wuhan, Hubei;3.Suzhou Nuclear Power Research Institute, Suzhou,Jiangsu) 摘要:The tube failures took place frequently in the superheater of 2x600MW units in a power......
Influence of tube properties on quality of hydropiercingLIU Gang1, LIN Jun-feng1, WANG Gang1, SU Hai-bo2, CHEN Xin-ping2, JIANG Hao-min2(1. National Key Laboratory of Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin 150001, China; 2. Baoshan Iron and Steel Co., Ltd., Shanghai 201900, China)Abstract:The influence of tube properties on hydropiercing quality......
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Effect of tube size on electromagnetic tube bulging LI Zhong(李 忠), LI Chun-feng(李春峰), YU Hai-ping(于海平), ZHAO Zhi-heng(赵志衡) School of Materials Science and Engineering, Harbin Institute...; Abstract: The commercial finite code ANSYS was employed for the simulation of the electromagnetic tube bulging process. The finite element model......
Tendency of homogeneous radial deformation during electromagnetic compression of aluminium tube YU Hai-ping(于海平)1, LI Chun-feng(李春峰)1, LIU Da-hai(刘大海)1, MEI Xian(梅 险)2 1. School of Materials...: Electromagnetic forming is one of the high-rate forming methods that can be extensively used to form and join axisymmetric metal sheet and tube. Tendency of homogeneous radial deformation during......