CATC — A Computer Aided Tolerance Control system |
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Authors: | Rashpal S. Ahluwalia Andres V. Karolin |
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Affiliation: | Ohio State University, Columbus, Ohio, USA;General Motors Fisher-Guide Division, Columbus, Ohio, USA |
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Abstract: | Computer utilization in manufacturing systems is increasing at a rapid rate. Developments thus far have been disjointed. Much work needs to be done in the area of integrating computer aided design and computer aided manufacturing (CAD/CAM). Tolerance control is an important component in the integration of CAD and CAM. Selection of design tolerances affects the build-ability of a product. The selection of manufacturing processes and sequence of processes affects process tolerance stacking. Unexamined process tolerance stacking leads to scrap and rework. A computer aided tolerance control (CATC) system is presented in this paper. This system is based on the tolerance chart technique. The CATC system is interactive and uses computer graphics for information display. The system can be used for computer aided process planning (CAPP) and for CAD/CAM integration. |
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Keywords: | Computer Aided Design Computer Aided Manufacturing Computer Aided Process Planning Tolerance Control Tolerance Charts Computer Integrated Manufacturing Numerical Control |
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