View Full Document

Functional Tolerancing - A Design for Manufacturing Methodology



View the full content.
View Full Document
View Full Document

4 views

Unformatted text preview:

Research in EngineeringDesign 1996 2 99 115 1996Springer VerlagLondonLimited Researchin Engineering Design Functional Tolerancing A Design for Manufacturing Methodology R S Srinivasan K L Wood and D A McAdams Department of MechanicalEngineering The Universityof Texas Austin USA Abstract The problem addressed in this paper is the development of a physico mathematical basis for mechanical tolerances The lack of such a basis has fostered a decoupling of design function and manufacturing The groundwork for a tolerancing methodology is laid by a model of profile errors whose components are justified by physical reasoning and estimated using mathematical tools The methodology is then presented as an evolutionary procedure that harnesses the various tools as required to analyze profiles in terms of a minimum set of profile parameters and to re generate them from the parameters This equips the designer with a rational means for estimating performance prior to manuJ zcturing hence integrating design and manufacturing The utility of the functional tolerancing methodology is demonstrated with performance simulations of a lathe head stock design focusing on gear transmission with synthesized errors Keywords Design methodology Functional tolerancing Lathe design Machine precision Wavelets 1 Perspectives on Tolerances in Design for Manufacturing Tolerancing is an important issue in the context of modern design Its evolution is presented as a motivation to the theme of this paper In this theme there are two important aspects among a myriad of engineering an idea emanating to satisfy some need and the physical embodiment of the idea an artifact In existent terminology the former is a component of design and transformation to the latter includes manufacturing The idea results from knowledge of or intuition about the physical laws of nature gained by experience and honed by intellectual introspection The artifact on the other hand results from knowledge of intuition about and



Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Functional Tolerancing - A Design for Manufacturing Methodology and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Functional Tolerancing - A Design for Manufacturing Methodology and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?