The last generation of CAD software systems allows the creation of models that consider the whole product lifecycle. Along the product development phase important activities are related to the geometrical tolerances prescription and their control planning. However, the Geometrical and Dimensional Tolerances (GD&T) representation, analysis and verification processes are still rarely taken into account in CAD systems. Such a bottleneck implies a “over the wall” communication between design and quality control departments. On the other hand, the tolerances verification process needs an high level of automation in order to extend the number of inspected products and to shorten the time from control strategy definition to the measurement process. Our research work is focused on the development of an approach for the automatic inspection planning, simulation and optimisation of geometrical tolerances. The approach is based on the integration of three technologies: the augmented CAD models, the 3D optical digitizing systems and the articulated robot systems. In this paper the methodology is presented both for specific geometrical tolerances verification and for the global shape control.

3D Simulation System for GD&T Inspection Process Planning and Optimisation / Germani, M; Mandorli, F; Mengoni, M; Raffaeli, R. - (2007). (Intervento presentato al convegno 10th CIRP International Conference on Computer-Aided Tolerancing:Specification and Verification for tenutosi a Erlangen, Germany nel 21-23 March 2007).

3D Simulation System for GD&T Inspection Process Planning and Optimisation

RAFFAELI R
2007

Abstract

The last generation of CAD software systems allows the creation of models that consider the whole product lifecycle. Along the product development phase important activities are related to the geometrical tolerances prescription and their control planning. However, the Geometrical and Dimensional Tolerances (GD&T) representation, analysis and verification processes are still rarely taken into account in CAD systems. Such a bottleneck implies a “over the wall” communication between design and quality control departments. On the other hand, the tolerances verification process needs an high level of automation in order to extend the number of inspected products and to shorten the time from control strategy definition to the measurement process. Our research work is focused on the development of an approach for the automatic inspection planning, simulation and optimisation of geometrical tolerances. The approach is based on the integration of three technologies: the augmented CAD models, the 3D optical digitizing systems and the articulated robot systems. In this paper the methodology is presented both for specific geometrical tolerances verification and for the global shape control.
2007
10th CIRP International Conference on Computer-Aided Tolerancing:Specification and Verification for
Erlangen, Germany
21-23 March 2007
Germani, M; Mandorli, F; Mengoni, M; Raffaeli, R
3D Simulation System for GD&T Inspection Process Planning and Optimisation / Germani, M; Mandorli, F; Mengoni, M; Raffaeli, R. - (2007). (Intervento presentato al convegno 10th CIRP International Conference on Computer-Aided Tolerancing:Specification and Verification for tenutosi a Erlangen, Germany nel 21-23 March 2007).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1181042
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