A manual resolution of the various impacts is only

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Unformatted text preview: is based on the Key Characteristics approach, the mathematical models of tolerance, and the mathematical tools for tolerance analysis and tolerance synthesis. Our approach uses graphic conventions of UML to represent the information model. A prototype has been realized using an Object Oriented Data Base. Keywords: Tolerancing and life cycle Issues, Tolerancing process, Product and process design, Information model 1 INTRODUCTION Influence of design on manufacturing cost is usually great. Errors made during the early stages of design tend to contribute as much as 70% to the cost of production. It is better to consider manufacturing issues as early as possible in the product design process. However, making sound decisions in the early design phase is rather difficult since it involves many unpredictable factors in manufacturability, quality, etc For car and aircraft industries, the management of tolerances has become an important issue in product and process design. • • Designers need to manage the tolerances and to know information that contributed to their determination. Tolerancing process and Design for Manufacturing...
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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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