tailieunhanh - Manufacturing Design, Production, Automation, and Integration Part 3

Tham khảo tài liệu 'manufacturing design, production, automation, and integration part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 3 Design Methodologies This chapter presents four primary design methodologies developed in the past several decades for increased design productivity and the resultant product quality. Although these methodologies are suitable and have been commonly targeted for the post-conceptual-design phase some can also be of significant benefit during the conceptual design phase of a product. Axiomatic design methodology for example falls into this category. Designers should attempt to use as many established design methodologies as possible during product development For example Axiomatic design and group technology at the conceptual design phase design for manufacturing assembly environment guidelines during configuration and detailed design and the Taguchi Method during parametric design. AXIOMATIC DESIGN METHODOLOGY As discussed in Chap. 2 the conceptual design phase starts with examining and identifying the customer s needs which subsequently must be related to engineering requirements. Axiomatic design methodology developed in the late 1970s by N. P. Suh but only widely implemented since the 1980s is Copyright 2003 by Marcel Dekker Inc. All Rights Reserved. primarily an analysis technique for the evaluation of designs. Users of this methodology can utilize its two axioms and their numerous corollaries as guidelines for good design. The two axioms of the theory advocate that for good design the functional requirements FRs of the product as dictated by the customer must be independently satisfied by the design parameters DPs onto which they would be mapped in the simplest possible manner. Suh defines the FRs as a minimum set of independent requirements that completely characterize the functional needs of the product in the functional domain Axiom 1 The independence axiom states that a change in a DP should preferably only affect its corresponding FR. Axiom 2 The information axiom states that among all alternatives considered which satisfy Axiom 1 the simplest .

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