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3D FEA simulation of 4A11 piston skirt isothermal forging process DONG Wan-peng(董万鹏), CHEN Jun(陈 军) Department of Plasticity Engineering, Shanghai Jiao Tong University, Shanghai 200030, China... and friction factor were analyzed with the rigid-plastic FEA. Deformation pattern, metal flow and influence of process parameters were concluded. The prediction load value with a relative error of 4.98......
基于FEA的蜂窝铝芯平压分析王塞北,孙勇,彭明军昆明理工大学材料科学与工程学院摘 要:利用非线性有限元分析软件MSC.Marc对蜂窝铝芯平压过程进行了模拟计算,得到了应力分布图和应力沿路径分布曲线,结合图形和曲线分析了蜂窝铝芯的应力分布规律和变形特点.结果表明,平压过程中应力集中出现在交棱处,在外力作用下这些位置最容易发生失稳,而面板中间的应力值始终相对交棱处应力值较小;由于交棱和壁板中部受到的约束不同,最大应力分布区域与变形最大区域不一致.关键词:蜂窝铝芯;平压性能;MSC.Marc;......
Effects of reduction of diameter on microstructure and surface roughness of rotary swaged magnesium by FEA RONG Li(荣 莉), NIE Zuo-ren(聂祚仁), ZUO Tie-yong(左铁镛) College of Materials Science...; Abstract: Combining the processing maps with FEA, the critical values of reduction of diameter (ΔR......
高精度厚壁小边腿截面成型的FEA仿真刘继英1,Stefan Freitag22. data M Software & Engineering GmbH,德国摘 要:厚壁小边腿截面的冷弯成型具有成型力大,尺寸不易控制,成型稳定性差等缺点.本文介绍一种高精度的厚壁小边腿截面冷弯成型的带钢宽度计算方法以及轧辊设计方案.完成了成型过程的FEA仿真,给出并分析了仿真结果.结果表明:采用的带钢宽度计算方法和制定的成型工艺是合理的.仿真结果为顺利地生产出合格的产品提供了理论依据.关键词:冷弯成型;计算机辅助设计;FEA仿真;......
基于FEA的板料成形工艺优化及评价函数研究 杨玉英1,刘伟1 (1.哈尔滨工业大学,材料科学与工程学院,黑龙江,哈尔滨,150001) 摘要:基于有限元和优化方法的板料成形工艺优化设计技术已经成为新的研究热点,建立合理的评价标准以形成目标函数,从而用于评价冲压件的成形性是其关键技术之一.提出局部成形性,整体成形性和综合成形性评价函数.基于试验设计法,结合方盒形件拉深以及发动机罩外板成形,验证了本文提出的评价函数具有良好的可靠性和易用性. 关键词:板料成形; 有限元分析; 工艺优化; 评价函数; 压边力; [全文内容正在添加中] ......
Trans. Nonferrous Met. Soc. China 22(2012) s831-s837 FEA technique of hot plate forming process using cell-typed die with cooling device Jung-Min LEE1, In-Kyu LEE2, Kyung-Hun LEE2, Dae-Soon KIM3... in this process, and an air-cooling device is separately installed inside the lower die. A finite element analysis (FEA) technique was developed, which included hot forming, air flow, cooling......
Parametric analysis of warm forming of aluminum blanks with FEA and DOE CHEN Peng(陈 鹏)1, LIN Zhong-qin(林忠钦)1, CHEN Guan-long(陈关龙)1, K. Muammer2 1. School of Mechanical Engineering, Shanghai Jiao...: The effect of temperature distribution on warm forming performance was investigated for 5083-O (Al-Mg) sheet metal blanks. Combined isothermal/non-isothermal FEA with design of experiments tools were used......
-axis manipulator has been fabricated successfully using the analysis result.Key words:finite element analysis (FEA); laser-assisted machining; manipulator......
was introduced. Key words: catalytic converter; heat insulation plate; clinching process; FEA  ......