In the purposed product model three types of link are

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Unformatted text preview: urs de la Libération, 33405 Talence Cedex France j-dufaure@opencascade.com, d.teissandier@lmp.u-bordeaux1.fr, gilles.debarbouille@opencascade.com Abstract: Nowadays, designers use more and more standard components in the design process of mechanical products (aeronautics and automobile industries, etc.). Numerous products are made, for the most part, with standard components. By standard components we understand screw, nut, washer, transmission by belt or gear, ball bearing, etc. With current CAD modellers, the geometrical description of the standard components is easily integrated in the product description by the way of the standard geometric exchange formats (dxf, STEP) or the native formats (CATIA, Pro-Engineer). In consequence, the geometric description of standard components comes close to perfection. Nevertheless, what is the added value for the product? In terms of visualization the advantage is important but in terms of functional description of the product, nothing is added. The answer is the use of product models which allow to describe both functional and geometrical description. By the use of this approach, we tr...
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