Abstract
Computer Aided Process Planning (CAPP) is the critical bridge between design and manufacturing. An expert process planning system named EPPSU has been developed to automate process planning and fixturing activities. The process planning system employs forward planning, i.e. it begins with the blank part and applies operations for each face/feature until it reaches the finished part model. After each operation the machined region is removed and a new intermediate model is generated. A part model description scheme called FONG has been utilized to represent blank, finished and intermediate models within the database. This paper describes the part representation scheme developed.
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