Article Abstract
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Title: |
Making a process plan adaptable to CNCs |
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Author: |
Hongqiang Wang, Xun W. Xu, J. Des Tedford 
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Address: |
Department of Mechanical Engineering, School of Engineering, University of Auckland, Private Bag 92019, Auckland, New Zealand. ' Department of Mechanical Engineering, School of Engineering, University of Auckland, Private Bag 92019, Auckland, New Zealand. ' Department of Mechanical Engineering, School of Engineering, University of Auckland, Private Bag 92019, Auckland, New Zealand |
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Journal: |
International Journal of Computer Applications in Technology 2006 - Vol. 26, No.1/2 pp. 49 - 58 |
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Abstract: |
The research reported in this paper is a framework for adapting STandard for the Exchange of Products-(STEP-) compliant manufacturing information for a Computerised Numerical Control (CNC) machine. This STEP-compliant manufacturing information is represented in STEP-NC format containing information such as 'Workplans', 'Workingsteps' and 'Machining Features'. This type of information is intended to be generic and machine-independent as it contains the information about 'what-to-do' rather than 'how-to-do'. Each CNC machine (system) has its own physical configuration and control strategy. The 'how-to-do' information (e.g. machining sequence and cutter path) needs to be generated only when a machine tool is chosen for the job documented in the STEP-NC format, that is 'what-to-do' information. This framework consists of three parts: a Native CNC system database, an adaptor and a human–computer interface. The Native CNC system database is the foundation of the whole system since it contains all the native information about a specific CNC machine. The adaptor converts the generic manufacturing information into the native manufacturing information for a chosen machine tool. |
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Keywords: |
CAPP; process planning; computer-aided manufacturing; CAM; computerised numerical control; CNC machines; standard for the exchange of product; STEP-NC; distributed manufacturing. |
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DOI: |
10.1504/IJCAT.2006.010080 |
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