Lead characterisation by an objective evaluation method

  • Seewig J
  • Hercke T
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Abstract

A new algorithm for characterising macro-lead is introduced. The algorithm is based on a two-dimensional discrete Fourier transformation of the data set measured by a standard roughness system or a form-tester with a surface texture probe. A data pre-processing ensures the elimination of an eventually radial run out of the work piece. The lead parameters which are relevant to leak-tightness are derived from the position of the most significant peak in the frequency domain and a reconstructed deterministic surface. © 2008 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Grinding
  • Lead
  • Leakage
  • Sealing ring
  • Turning

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Authors

  • J. Seewig

  • T. Hercke

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