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Frontiers of Mechanical Engineering

ISSN 2095-0233

ISSN 2095-0241(Online)

CN 11-5984/TH

Postal Subscription Code 80-975

2018 Impact Factor: 0.989

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Front Mech Eng Chin    2009, Vol. 4 Issue (1) : 97-102    https://doi.org/10.1007/s11465-009-0007-z
RESEARCH ARTICLE
CNC programming system for complex components based on KBE within integrated environment of CAD/CAPP/CAM
Shengwen ZHANG1(), Guicheng WANG1, Liang ZHANG2, Xifeng FANG2
1. Precise Engineering Institute, Jiangsu University, Zhenjiang 212013, China; 2. Modern Manufacturing Technology Institute, Jiangsu University of Science and Technology, Zhenjiang 212003, China
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Abstract

To promote the research and development of modern digital and intelligent manufacturing technology and overcome shortcomings of computerized numerical control(CNC) programming for complex components, an innovative idea has been proposed to introduce knowledge based engineering (KBE) into the field of CNC programming within the integrated environment of CAD/CAPP/CAM. This paper constructs the architecture of CNC programming based on KBE within CAD/CAPP/CAM and explores the key technology of applying KBE to CNC programming — knowledge representation, knowledge acquisition, knowledge reasoning, and generalized knowledge base system of CNC programming. The integration of the CAD/CAM system and the CAPP system of enterprises has been achieved by taking the powerful CAD/CAM system of UG NX as a platform. The prototype system of CNC programming for complex components based on KBE within CAD/CAPP/CAM has been developed by means of UG/Open,VC++6.0, and SQL Sever 2000. Finally, a frame example, one of the complex components of a marine diesel, is presented, and the academic production and the intelligence of the system are verified.
Keywords NC programming      CAD/CAPP/CAM      KBE     
Corresponding Author(s): ZHANG Shengwen,Email:swzhang2003@163.com   
Issue Date: 05 March 2009
 Cite this article:   
Shengwen ZHANG,Guicheng WANG,Liang ZHANG, et al. CNC programming system for complex components based on KBE within integrated environment of CAD/CAPP/CAM[J]. Front Mech Eng Chin, 2009, 4(1): 97-102.
 URL:  
https://academic.hep.com.cn/fme/EN/10.1007/s11465-009-0007-z
https://academic.hep.com.cn/fme/EN/Y2009/V4/I1/97
Fig.1  Architecture of CNC programming based on KBE within CAD/CAPP/CAM
rule representation of the field knowledge of CNC programmingMeaning
IF m_sMaching_feature_str= =“planar”m_sPartmaterial_str= =“cast iron”m_sProcess_style= =“rough_mill”m_sProcess_Position==“upper plane”THENTmpDB->Open (“…\CNCPKBES GKB”)IF the type of CNC programming object selected is “plane”, the upper plane with the material of cast iron is specified, and the type of working procedure is “rough mill”, then CNCPKBS for complex components is opened to acquire the technology parameters of CNC programming for rough machining.
Tab.1  Rule representation of field knowledge of CNC programming connotation
Fig.2  Framework of CNCPGKBS
Fig.3  Function module of CNCPKBES
Fig.4  Technology route for achieving interface of CNCPGKB and CAD/CAPP/CAM
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