Macro-capp: A prototype capp system for an FMS |
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Authors: | K Srihari T J Greene |
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Affiliation: | (1) Department of Mechanical and Industrial Engineering, State University of New York, 13901 Binghamton, NY, USA;(2) Department of Industrial Engineering and Operations Research, Virginia Polytechnic Institute and State University, 24061 Blacksburg, VA, USA |
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Abstract: | This paper deals with the role, advantages, problems and solution techniques for the implementation of dynamic Computer Aided
Process Planning (CAPP) systems in a Felxible Manufacturing system (FMS). A large variety of part features for both rotational
and prismatic parts are considered. A custom group technology coding technique is designed and implemented to describe part
profile to system software concisely and comprehensively. The part profile code is assimilated by the system interactively.
A prototype CAPP system was designed for a pseudo FMS containing multiple machining centres. The system described develops
process plans that consider both alternative routes and methods to manufacture a part. Heuristic knowledge was implemented
to choose between alternatives with flowtime minimization as the objective function. The system was tested and its outputs
validated with respect to both prismatic and rotational parts. |
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Keywords: | CAPP FMS Expert systems Group technology |
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