Annals of the CIRP Vol 45/1/1996 pp 35-39 ASPEN Computer-Aided Assembly Sequence Planning and Evaluation System Based on Predetermined Time Standard 1996


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    • Abstract:  The purpose of this research is to objectively evaluate the differences among the feasible assembly sequences. For this purpose, a computer-aided Assembly Sequence Planning and Evaluation system (ASPEN) was developed. ASPEN automatically searches all geometrically feasible sequences by decomposing solid models of a product. ASPEN also chooses an optimum sequence with the least operating time. MTM (Methods Time Measurement) and DFA (Boothroyd's Design For Assembly) which are kinds of predetermined time standards are used to explicitly evaluate the differences of operating time among feasible sequences. The calculation of the operating time based on the data obtained from the sequence planning is discussed. The proposed evaluation method is verified through an experiment on actual assembling work.

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