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《Journal of Zhejiang University(Engineering Science)》 2007-04
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Key technologies of physics-based milling process simulation

BI Yun-bo,KE Ying-lin,CHENG Qun-lin,DONG Hui-yue (College of Mechanical and Energy Engineering,Zhejiang University,Hangzhou 310027,China)  
In order to predict the machining deformation of workpiece,a prototype version of physics-based simulation environment was developed based on the finite element theory of milling process.The key problems concerned with the finite element model(FEM) simulation system,such as tool-path discretization,material removal,adaptive mesh generation,dynamic mesh data management,etc,were studied deeply.With each incremental motion of the cutter,the system detects the intersection region between the cutter and the finite element mesh,and simulates the actual machining process in a step-by-step manner by mesh adaptive refinement,coarsening,deletion and finite element calculation.The system can optimize milling process and guarantee machining accuracy,taking into consideration multiple factors affecting distortion such as machining parameters,tool path and so on.
【Fund】: 国家自然科学基金重点资助项目(50435020);; 国家“863”高技术研究发展计划资助项目(2006AA04Z147)
【CateGory Index】: TP391.9
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【Citations】
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8 Guo Hun1,2,Zuo Dun-wen1,Liu Yuan-wei3,Wang Min1,Tong Guo-quan1(1.College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;2.School of Mechanical and Electrical Engineering,Changzhou Institute of Technology,Changzhou 213002,China;3.Digital Manufacturing Technology Lab of Jiangsu Province,Huai′an,223001,China);Prediction of milling distortion for aero-thin-walled components[J];Journal of Jilin University(Engineering and Technology Edition);2008-01
9 WANG Guang-yu,WU Yun-xin,YAN Peng-fei,HU Yong-hui(College of Mechanical and Electrical Engineering,Central South University,Changsha 410083,China);Influence of sampling dimension on residual stresses of aluminum alloy thick plate[J];Transactions of Materials and Heat Treatment;2011-04
10 CHEN Shao-qing, PENG Cheng-ming, WANG Cong-kang(School of Aeronautical and Mechanical Engineering, Nanchang Hangkong University, Nanchang 330063,China);Simulation and Control of the Machining Deformation of Aeronautic Frame Shaped Workpiece under Muti-Stress Coupling[J];Mechanical Engineer;2009-04
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【Secondary Citations】
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1 WANG Li-tao 1, KE Ying-lin 1, HUANG Zhi-gang 1, XU De 2, WU Qun 2 (1. The College of Mechanical and Energy Engineering, Zhejiang University, Hangzhou 310027, China) (2. NC Center of Cheng Du Aircraft Corporation, Chengdu 610092, China);Study on Residual Stress Produced in Milling of Aeronautic Structure[J];Acta Aeronautica Et Astronautica Sinica;2003-03
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4 Huang Zhigang(Zhejiang University, Hangzhou, China)Ke Yinglin Wang Litao;Study on Related Techniques for the Finite Element Method Simulation in Metal Cutting[J];China Mechanical Engineering;2003-10
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