Abstract
Computer-aided process planning (CAPP) is an essential interface for linking design and manufacturing processes, the purpose of CAPP is to transform a part design specification obtained from CAD system into a sequence of machining operations which can be used by CAM system involving the selection of necessary manufacturing processes in order to transform a designed part into a final part economically and competitively.This paper focus on the extraction of tolerances (GD&T) and their association to the related features embedded into an expert CAPP system.
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