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Trans. Nonferrous Met. Soc. China 22(2012) 1732-1737 Simulation of extrusion process of complicated aluminium profile and die trial HE Zhao1, WANG He-nan1, WANG Meng-jun1,2, LI Guang-yao2 1. Key...: transient finite element simulations; complicated aluminium profile; arbitrary Lagrangian-Eulerian(ALE) method; die trial 1 Introduction At present, the use of aluminium profile is becoming wider and wider......
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... method is used to produce hollow aluminum profile. Due to the complexity of the porthole die structure and the material flow, it is very difficult to get ideal profile products with the firstly designed......
Numerical analysis of dimension precision of U-shaped aluminium profile rotary stretch bending YU Zhong-qi(于忠奇), LIN Zhong-qin(林忠钦) School of Mechanical Engineering, Shanghai Jiao Tong... of aluminium profile RSB part was studied by finite element method. The numerical simulation of the U-shaped aluminium profile RSB was carried out, and the validity of the simulation was checked. Parametric......
Key techniques of automatic gauge control and profile control for aluminium strip and foil LI Mou-wei(李谋渭)1, LIU Hong-fei(刘鸿飞)1, WANG Xiang-li(王向丽)1, TONG Chao-nan(童朝南)2, YIN Feng-fu(尹凤福)1, BIAN... the gauge of aluminium strip and foil is thin, stage-cooling roll method becomes a key technique for profile control. So stage-cooling roll intelligent control method is developed and pre-coated......
Process design for multi-stage stretch forming of aluminium alloy aircraft skin HE De-hua(何德华), LI Xiao-qiang(李小强), LI Dong-sheng(李东升), YANG Wei-jun(杨伟俊) School of Mechanical Engineering... deformation, a multi-stage uniaxial tension test for 2B06 aluminium alloy sheet was carried out. A case study demonstrates that the approach has high reliability and good practicability. Key words......
J. Cent. South Univ. (2017) 24: 1817-1825 DOI: https://doi.org/10.1007/s11771-017-3590-x Improving cam profile design optimization based on classical splines and dynamic model XIA Bi-zhong(夏必忠), LIU... and Springer-Verlag GmbH Germany 2017 Abstract: Cam profiles play an important part in the performance of cam mechanisms. Syntheses of cam profile designs and dynamics of cam designs are studied at first......
it in our case. 2 Preparation phase The surface profile identification has very complex dynamics and it is even more complicated, if it is necessary to compose a surface map. This composing procedure... J. Cent. South Univ. (2020) 27: 811-823 DOI: https://doi.org/10.1007/s11771-020-4333-y 3D surface profile diagnosis using digital image processing for laboratory use Robert FRISCHER1, Ondrej......
一种序列家族Profile HMM寻优的PSO陈雄峰闽江学院计算机科学系 福建福州350108摘 要:针对在训练一个序列家族的Profile HMM时经常会得到局部最优HMM的问题,也就是说找到全局最优Profile HMM的概率不高.通过分析训练一个序列家族Profile HMM方法的特点和Profile HMM本身的结构特点提出了一种结合多个局部最优或次优Profile HMM来寻找最优模型的PSO算法,以提高序列家族Profile HMM寻优的概率.关键词:Profile HMM;PSO;HMM模型;......
-Mitsubishi Heavy Industries, 2000, 37(2): 45-47. [3] SEILINGER A, MAYRHOFER A, KAINZ A. SmartCroum-A new system for improved profile and flatness control [J]. Aluminium International Today, 2003, 15...J. Cent. South Univ. Technol. (2008) 15: 264-270 DOI: 10.1007/s11771-008-0049-0 VCR and ASR technology for profile and flatness control in hot strip mills CAO Jian-guo(曹建国)1, WEI Gang-cheng(魏钢城......
Processing Technology, 2008, 201(1/3): 156-162. [5] FANG Gang, ZHOU Jie, DUSZCZYK J. Effect of pocket design on metal flow through single-bearing extrusion dies to produce a thin-walled aluminium profile [J... Ram speed profile design for isothermal extrusion of AZ31 magnesium alloy by using FEM simulation LI Luo-xing(李落星)1, LOU Yan(娄 燕)2 1. State Key Laboratory of Advanced Design and Manufacturing......
