This research has aimed to design and to implement a Computer Aided Tolerance Charting System and to integrate it into a CAD environment, in order to obtain a fast and reliable analysis tool for assessing Process Plan performance. Pertinent literature is discussed briefly, and the major problems arising in Tolerance Charting - description and editing of the Process Plan within the CAD environment, modeling of machining errors and charting computation - are presented. Finally, a solution for the problems is proposed, with an example of application.
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