Plm phases production phase uncertainties clearances

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Unformatted text preview: eing that the six degrees of freedom interval values or dimensional shift components will not be independent of each other. 3. VARIATION MANAGEMENT IN A PLM PERSPECTIVE The preceding classification can naturally be ordered sequentially, according to the various phases of the product lifecycle. This is illustrated in figure 2, where the interactions between the various phases, in terms of variation and uncertainty management, are shown. Most interesting is the fact that these can be combined and compared therefore leading to the validation of both product design and processes. From a computational point of view, the preceding section as shown that all the uncertainty sources can be represented by six components torsors, making them compatible for computations with the Jacobian-torsor model. Such computations will be performed in the scope of the validation tasks, as presented in the next sub-sections. 3.1. Process validation Regarding process validation, the procedure involves the identification of Geometric Dimensioning & Tolerancing (GD &amp...
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