Technological form defects identification using discrete cosine transform method

Authors: Lecompte, Jonathan1; Legoff, Olivier2; Hascoet, Jean-Yves3

Source: The International Journal of Advanced Manufacturing Technology, Volume 51, Numbers 9-12, December 2010 , pp. 1033-1044(12)

Publisher: Springer

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Abstract:

Manufacturers need precise tools to simulate, validate, or improve a process plan for given tolerances. Some simulation methods calculating position and orientation defect of manufactured surfaces have already been developed. A lack in these methods is the integration of form defect of surfaces. Indeed, many methods do not study manufactured surfaces, but nominal models associated to these surfaces. The method developed in this article proposes a tool describing precisely form error in order to take it into account. The work is based on a method of the literature, using discrete cosine transformation, completed by a method for identification of classical defects composing global form error and quantification of their contribution to this defect. The method is validated on simulation examples and then applied on a milled plane.

Keywords: Discrete cosine transform; Form error; Technological database

Document Type: Research Article

DOI: http://dx.doi.org/10.1007/s00170-010-2687-2

Affiliations: 1: Institut de Recherche en Communications et Cybernetique de Nantes (IRCCyN), UMR CNRS 6597, 1 rue de la Noe, BP92101, 44321, Nantes Cedex 03, France, Email: jonathan.lecompte@irccyn.ec-nantes.fr 2: Institut de Recherche en Communications et Cybernetique de Nantes (IRCCyN), UMR CNRS 6597, 1 rue de la Noe, BP92101, 44321, Nantes Cedex 03, France, Email: olivier.legoff@irccyn.ec-nantes.fr 3: Institut de Recherche en Communications et Cybernetique de Nantes (IRCCyN), UMR CNRS 6597, 1 rue de la Noe, BP92101, 44321, Nantes Cedex 03, France, Email: jean-yves.hascoet@irccyn.ec-nantes.fr

Publication date: December 1, 2010

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