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FEM simulation of aluminum extrusion process in porthole die with pockets HE You-feng(和优锋), XIE Shui-sheng(谢水生), CHENG Lei(程 磊), HUANG Guo-jie(黄国杰), FU Yao(付 垚) State Key Laboratory... to investigate the effects of pockets in the porthole die on the metal flow, temperature at the die bearing exit and the extrusion load were contrasted with the traditional die design without the pockets......
Structure optimization of porthole die based on aluminum profile extrusion process numerical simulation WU Xiang-hong(吴向红)1, ZHAO Guo-qun(赵国群)1, LUAN Yi-guo(栾贻国)1, LOU Shu-mei(娄淑梅)1, MA Xin-wu(马新武)1 Engineering Research Center for Die & Mould Technology, Shandong University, Ji’nan 250061, China Received 28 July 2006; accepted 15 September 2006 Abstract: Porthole die extrusion......
J. Cent. South Univ. Technol. (2010) 17: 688-696 DOI: 10.1007/s11771-010-0541-1 Effects of process parameters and die geometry on longitudinal welds quality in aluminum porthole die extrusion...; Abstract: By using the rigid-visco-plasticity finite element method, the welding process of aluminum porthole die extrusion to form a tube......
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挤压力最小,该比值超过0.82时挤压力明显增加. 关键词:分流模挤压；有限元模拟；分流孔面积；金属流动行为 中图分类号:TG379 文献标识码:A Metal flowing behaviors during diplopore extrusion of square tube with porthole die HUANG... and commercial FEM soft Deform-3D, a three dimensions finite element method for simulating the whole diplopore extrusion process of square tube with porthole die, including bonding stage, were developed......
FEM Simulation of Welding Quality in Porthole Die Extrusion和优锋State Key Laboratory for Fabrication and Process of Nonferrous Metals,General Research Institute for Nonferrous Metals摘 要:The effects of die structure such as the height of the welding,the welding angle and chamber the shape of the bridge on the welding quality of profiles were investigated......
FEM analysis of metal flowing behaviors in porthole die extrusion based on the mesh reconstruction technology of the welding processDong-nan Huang1,2), Zhi-hao Zhang1), Jing-yuan Li1), and Jian-xin... as well as porthole areas and positions. After the die structure optimization, defects such as warp, wrist, and the wavelike are eliminated, which improves the section-forming quality. Meanwhile......
University摘 要:Porthole die extrusion of Mg alloys was studied by means of experimental and numerical studies. Results indicated that an inhomogeneous...Formation mechanism and evolution of surface coarse grains on a ZK60 Mg profile extruded by a porthole dieJianwei Tang1,Liang Chen1,Guoqun Zhao1,Cunsheng Zhang1,Xingrong Chu21. Key Laboratory......
-viscoplasticity finite element method, the porthole die extrusion process of an aluminum harmonica-shaped tube was successfully simulated based on software Deform-3D. The distribution of stress field... of die structure was improved. The result shows that the uniform material flow velocities in the die exit and a perfect extruded are obtained by modification bearing length. Key words: porthole die......
profile with porthole die extrusion forming HOU Wen-rong1, ZHANG Zhi-hao1, XIE Jian-xin1, CHEN Yun-bo2 (1. Key Laboratory for Advanced Materials Processing, University of Science and Technology Beijing... of the temperature field of hollow profile during the whole extrusion process, including the dividing and welding stages, was solved by mesh reconstruction technology of welding zone. Taking the porthole die......
