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Proceedings of CAD'15, 2015, 331-336
Automation of Drafting Execution by Schemes Definitions and Feature Recognition
Abstract. In the product design field, Design Automation (DA) is commonly intended as the possibility to obtain geometric shapes of parts and assemblies starting from a set of initial specifications by means of autonomous software. DA systems generally enhance the capabilities of parametric feature based 3D CAD systems to alter the geometry and the parts arrangements following a set of predefined options. The scope of DA applications is centered on products families characterized by a good level of configurability or dimensional variability. Typical examples are gearboxes, electric motors, metal shelves, hydraulic cylinders. Configuration refers to approaches and tools to identify valid sets of input parameters given a set of independent variables chosen by an user and a set of commercial and/or technical constraints . Proposed approaches include rule-based and constraint-based systems while research and industrial applications have shown good potentialities of such systems. The link of DA systems to configuration engines has been also investigated  as effective design tools. Although DA systems claim the ability to generate both 3D geometry and technical documentation, the phase of generating robust dimensioned drafts of the configured product is often neglected.
Keywords. Drafting, Design automation, Feature recognition, Knowledge based systems