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�������պ����ѧѧ�� 2012, Vol. 38 Issue (6) :849-852    DOI:
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1. ɽ������ѧ, ũҵ������ʳƷ��ѧѧԺ, �Ͳ� 255049;
2. �������պ����ѧ, ��е���̼��Զ���ѧԺ, ���� 100191
Cutting temperature and tool wear in minimum quantity lubrication vibration drilling of superalloys
Kong Fanxia1, Zhang Deyuan2*
1. School of Agriculture and Food Engineering, Shandong University of Technology, Zibo 255049, China;
2. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� Processing method of minimum quantity lubrication (MQL) vibration drilling was used to solve difficulty of high cutting temperature and rapid tool wear in drilling of superalloys. Cooling mechanism in vibration drilling was analyzed from the point of heat transfer mechanism and comparative experiments between traditional drilling and vibration drilling were carried out. The results show that the cutting temperature in MQL traditional drilling reaches 110�� and increases with the drilling depth and the number of holes, while the cutting temperature in MQL vibration drilling is only about 55�� and changes slowly with the drilling depth and the number of holes; Tool wear in MQL traditional drilling reaches to 0.5 mm and significantly increases with the number of holes, while tool wear in MQL vibration drilling is only 0.22 mm and slowly increases with the number of holes.
Keywords�� superalloys   minimum quantity lubrication   vibration drilling   cutting temperature   tool wear     
Received 2011-03-30;
Fund:����Ԥ�л���������Ŀ(51318020203)
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�׷�ϼ, �ŵ�Զ.���ºϽ�΢�����������¶��뵶��ĥ��[J]  �������պ����ѧѧ��, 2012,V38(6): 849-852
Kong Fanxia, Zhang Deyuan.Cutting temperature and tool wear in minimum quantity lubrication vibration drilling of superalloys[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2012,V38(6): 849-852
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2012/V38/I6/849
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