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�������պ����ѧѧ�� 2009, Vol. 35 Issue (2) :188-192    DOI:
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Finite element simulation of machining deformation for aeronautical monolithic component
Zhang Yidu, Zhang Hongwei*
State Key Laboratory of Virtual Reality Technology and Systems, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� Machining deformation has been a bottle-neck issue in aeronautical manufacturing field. Based on finite element simulation, the influence of original residual stresses on the deformation in the process of machining for aeronautical monolithic component was studied. The redistribution law of residual stresses during machining and the trend of deformation change were analyzed. The simulation conclusions agree with experimental results. The machining deformation characteristics due to residual stresses were analyzed and the simulation of different machining path was carried out. The results indicate that the research on deformation caused by residual stresses alone can neglect the effect of machining path. The coupling effect between residual stress and milling force was taken into account and the simulation was performed for different machining path.
Keywords�� residual stress   machining distortion   finite element method   milling force   machining path     
Received 2008-07-20;
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About author: ���Զ�(1959-),��,������,����,ydzhang@buaa.edu.cn.
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���Զ�, �ź�ΰ.��������ṹ���ӹ���������Ԫ��ֵ����[J]  �������պ����ѧѧ��, 2009,V35(2): 188-192
Zhang Yidu, Zhang Hongwei.Finite element simulation of machining deformation for aeronautical monolithic component[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(2): 188-192
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2009/V35/I2/188
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