2010-1-Design-Third_class

2010-1-Design-Third_class - 1 MAE 340 Engineering Design...

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1 Computational Solid Mechanics and Design Lab. MAE 340 Engineering Design 2010 Fall Semester Prof. Hoon Huh Department of Mechanical Engineering KAIST
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2 Computational Solid Mechanics and Design Lab. Decision Criteria • Effectiveness/Cost Ratio • Reliability • Operability • Availability • Reparability / maintenance - Decision-matrix method (Pugh's method) -QFD (Quality Function Deployment)
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3 Computational Solid Mechanics and Design Lab. Quality Function Deployment (QFD) A simple and logical thought Process for identifying what customers expect of a product or service, and for determining how expectations will be satisfied A systematic methodology for translating the VOC (voice of the customer) into design characteristics and target values that are disseminated to all project personnel. If emphasizes early participation of all disciplines in product development deliberation and decisions -Provides framework for concurrent engineering activities -Facilitates cross-functional communications
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4 Computational Solid Mechanics and Design Lab. QFD (cont’d) First used in 1972 at Mitsubishi's Kobe shipyard in Japan Toyota began to use in the late 1970(1977-1984) -manufacturing startup and preproduction costs had been reduced by 60% -The product development cycle had been reduced by 33% * because of reduction in the number of engineering changes The U.S. first used QFD in 1986 -Kelsey Hayes used it to develop a coolant sensor
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2010-1-Design-Third_class - 1 MAE 340 Engineering Design...

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