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기계부품 제조 공정의 데이터기반 4M 최적화를 위한 FOM방법론 적용
오상석(Sang Suk Oh),양해성(Hae Sung Yang),배병성(Byung Seong Bae),김수영(Su Young Kim) 한국생산제조학회 2021 한국생산제조학회지 Vol.30 No.6
To meet the requirements for smart production systems to secure stable production processes that can accommodate increasing complexity, shorter product life cycles, product diversification, improve quality and productivity, and secure a competitive advantage in a rapidly changing manufacturing environment, 4M optimization is required for productivity. Accordingly, as an example, data from a cold forging process was analyzed and increased production efficiency was predicted through simulations using FOM, which was then verified and proposed as a solution for 4M optimization. Thus, many factories can achieve optimization of 4M-based smart manufacturing sites and create a foundation for smart factory operations and productivity improvements through loss factor analysis and production forecasting.
FOM 데이터 파일 세트의 공정별 단가 데이터와 장비 절삭 공구 수명 간의 상관관계 분석을 통한 제조원가 절감 알고리즘에 대한 연구
김용홍(Yong-hong Kim),양해성(Hae-sung Yang),김성수(Seong-soo Kim),배병성(Byung Seong Bae),김수영(Su Young Kim) 한국생산제조학회 2022 한국생산제조학회지 Vol.31 No.4
It have been composed only introducing automatic equipment without analyzing manufacturing process in many smart factories; hence, productivity does not improve significantly. In this study, production data obtained from a computerized NC machining center were analyzed based on the operation and tool costs for each process to reduce the tool management cost of the cutting process for the die manufacturing, which is weak in cost analysis. Tool cost of the minimum cost required for each process was then modeled using linear programming. We derived a modeling logic that could manage the life of the medium cutting process using the programming method and achieved a cost reduction of up to 12% compared to the operation cost by linking tool cost to the manufacturing per process cost. The proposed algorithm can be applied to field equipment as a manual cost item one of the items of the FOM which manufacturing optimization system.