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�������պ����ѧѧ�� 2007, Vol. 33 Issue (02) :197-200    DOI:
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Core process skeleton based process planning during the early stage of product development
Wei Li, Zheng Lianyu*
School of Mechanical Engineering and Automation, Beijing Univers ity of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� The early stage of product development has a crucial effect on capabil ity, cost and quality of products. Research on theory and approach of early proc ess planning was based on feature information, and could not utilize rough-gra n ularity incomplete product information. Therefore, core process skeleton based p rocess planning approach was proposed on the basis of key characteristics which have been proposed to express rough-granularity incomplete product information. Core process planning is a kind of abstract of process plans which satisfy key characteristics requirement, and it expresses core process of various variation of product/part family. Process plans can be configured rapidly according to e mbranchment and existence rules. The procedure of process planning on the basis of core process skeleton includes four steps: determining product/part family, s earching core process skeleton, configuring core process and process route plann ing. Validity rule, principle rule and customized rule were employed to assure v eracity of process planning. Finally, machining process of the girder of the win g was used to validate feasibility of this approach.
Keywords�� key characteristics   core process skeleton   process planning specification langu age   rule   process planning   product development     
Received 2006-03-30;
About author: κ ��(1978-),Ů,���ɹ�ͨ����,��ʿ��,candywei@bu aa.edu.cn.
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κ��, ֣����.��Ʒ�������ڻ��ں��Ĺ��տ�ܵĹ������[J]  �������պ����ѧѧ��, 2007,V33(02): 197-200
Wei Li, Zheng Lianyu.Core process skeleton based process planning during the early stage of product development[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(02): 197-200
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