Abstract
Tolerance information is essential for manufacturing processes, because all processes will have a certain variation. It is beneficial to treat the tolerance data in a unified manner in product modelling systems. For this purpose, we took an approach to describe tolerance information of Vectorial Tolerancing (VT) in a formal way using EXPRESS developed by STEP. In VT, surface location and orientation is described with vectors in a Workpiece Coordinate System. VT provides a clear distinction between the size, form, location, and orientation deviations with magnitude and direction and is therefore useful for functional analysis and the control of manufacturing processes.
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© 1997 Springer Science+Business Media Dordrecht
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Martinsen, K., Kojima, T. (1997). EXPRESS definition of Vectorial Tolerancing in product modelling. In: Goossenaerts, J., Kimura, F., Wortmann, H. (eds) Information Infrastructure Systems for Manufacturing. DIISM 1996. IFIP — The International Federation for Information Processing. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35063-9_27
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DOI: https://doi.org/10.1007/978-0-387-35063-9_27
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