216 A study on computer-aided process planning considering production scheduling

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  • 216 スケジューリングを考慮した工程設計支援に関する一考察(生産スケジューリング・生産管理(4))

Abstract

Process planning plays an important role of a bridge between product design and manufacturing. Computer-aided process planning (CAPP) has been a topic of discussion in this half century, and numerous researches have been performed. The recent diversification in customers' needs as been driving the development of agile manufacturing that can flexibly adapt to different manufacturing situations. CAPP should also be discussed from this point of view and a set of flexible process planning methods have been proposed. Those methods dealt with process planning only for one product and therefore generate the optimal process plan which achieves the shortest total machining time. However, in real manufacturing, multiple workpieces are machined using multiple machine tools. In this paper, those methods are enhanced from the point of view of total productivity. The selection problem of the optimal process plan in the conventional methods and scheduling problem are merged with each other, and selection a set of the optimal process plans for a set of formulated as a 0-1 integer programming problem.

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