3 proposed re design approach 31 prior work in

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Unformatted text preview: sign handbooks or standards. This approach does not guarantee functionality or assemblability; nor does it minimize cost. The focus of this paper is to guarantee product functionality. Then the tolerance specification is an important part of mechanical design. Design tolerances strongly influence the functional performance and manufacturing cost of a mechanical product. 95 J.K. Davidson (ed.), Models for Computer Aided Tolerancing in Design and Manufacturing, 9 5 – 104. © 2007 Springer. 96 W. Ghie, L. Laperrière and A. Desrochers Computer-aided tolerance analysis programs allow a designer to verify the relations among all design tolerances to produce a consistent and feasible design. To produce the designed component within the specified tolerance, design teams often ask the question: where in the assembly should I focus my intention to reduce or increase the tolerance? How to deal with parts with multiple characteristics? Their decision should affect the contributions of the various characteristics. This paper presents a novel approach for determining the critical tolerances given the inherent uncertainty at the early design phases. 2. LITERATURE REVIEW Many different approaches for Computer Aided Tolerancing (C...
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This note was uploaded on 08/03/2010 for the course DD 1234 taught by Professor Zczxc during the Spring '10 term at Magnolia Bible.

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