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Changeover from the functional geometric tolerances to the dimensional parameters to be supervised in production

Abstract : In this communication, the reasons why functional geometric tolerancing using tolerance zones is not suitable for the setup and follow-up of production are shown. We start off proposing a method using a bi-parametric model to determine a set of nominal and variation parameters, in the form of distances or angles, enabling the positioning of a toleranced element in its reference system. A syntactic representation is then suggested replacing the standardized tolerance frame by the variation parameters that need to be measured in the indicated measurement reference. These parameters then undergo a sorting making it possible to highlight which parameters are indeed adjustable parameters on the process, which parameters must be controlled at machine setup and which parameters must be followed in production.
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Submitted on : Saturday, September 26, 2009 - 4:36:34 PM
Last modification on : Friday, November 6, 2020 - 3:28:49 AM

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  • HAL Id : hal-00420002, version 1

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Ephraïm Goldschmidt, Eric Pairel, Max Giordano, Maurice Pillet. Changeover from the functional geometric tolerances to the dimensional parameters to be supervised in production. CIRP Journal of Manufacturing Systems, 2007, 36 (7), pp.305--309. ⟨hal-00420002⟩

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