W. Ghie (Canada)
Simulation, Statistical, Tolerance Analysis.
This paper presents the results of an ongoing research aimed at developing an integrated computer-aided tolerancing tool. A unified Jacobian-Torsor approach has been developed for deterministic (worst case) computer aided tolerancing. The paper describes how one can use the same set of interval-based deterministic equations in a statistical context. The nature of the resulting equations lends itself to very fast computations to determine the percentage of rejected assemblies produced given some statistical distribution of the tolerances appearing in their different parts. An example application is also presented to illustrate the use of the developed tool.
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