UBC Theses and Dissertations

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UBC Theses and Dissertations

Development of a computer assisted planning and monitoring framework for the milling process Yeung, Fu-Wing Raymond


The objective of this work is to examine new strategies to improve the quality of the machining operation during its preprocessing and real time stages. In particular, an integrated CAD/CAPP/CAM system and a distributed process monitoring system are developed. In the preprocessing stage, the integrated CAD/CAPP/CAM system attempts to apply the most economical cutting conditions to practical 2½-D milling operations; the approach retains all advantages of both APT NC programming and interactive, easy-to-use 3-D part modeling systems. In the real time stage, the distributed process monitoring system takes advantage of the existing networking and sensor technologies to provide real time machining process information. The information is made available to on-site machine operators and also to off-site manufacturing and production engineers who can use the information to "virtually" supervise the progress of the operations. The work presented in this thesis represents another step towards the realization of the Computer Integrated Manufacturing concept in a production environment.

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