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Journal of Korean Society for Quality Management > Volume 25(4); 1997 > Article
Journal of Korean Society for Quality Management 1997;25(4): 57-.
연속생산공정에서 공정목표값과 검사규격한계의 경제적인 결정에 관한 연구
백종석, 윤덕균
한양대학교 산업공학과
A Study on Economic Selection of the Process Target and the Screening Specification Limits in a Continuous Production Process
ABSTRACT
Consider a production system where all manufactured products are screened through automatic inspection equipment. The products for which the measured value of quality characteristic is larger than the lower screening specification limit (SL) and smaller than the u, pp.r screeing specification limit(SU) are accepted. Those smaller than SL are reworked and those larger than SU are excluded from the process. Assuming that the quality characteristic is normally distributed with known variance, this paper suggests cost models which involve inspection cost, production cost, rework cost, exclusion cost and quality cost, and presents the methods of finding the optimal values of the screening specification limits and the process target. Numerical example is given to demonstrate the a, pp.icability of the cost models suggested in this paper.
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