Abstract

A well-constructed generative computer-aided process planning (CAPP) system is suitable for computer-integrated manufacturing systems and intelligent manufacturing systems. Most generative CAPP systems developed in the last decade employed a linear and batch approach as their underlying methodology, but because of low efficiency and quality, many such systems cannot be applied effectively to industrial enterprises. To overcome these weaknesses, a novel methodology, called prototype-based incremental process planning (PIPP), is presented for CAPP in this paper which offers a new approach for increasing the efficiency and quality of process planning, and for fully supporting concurrent engineering. Based on this methodology, an experimental CAD/CAPP concurrent design system (HFCAD/CAPP) has been built, and a case study is presented to illustrate the characteristics of this system.

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