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METHOD FOR DETERMINING A TWIST STRUCTURE

  • US 20110283784A1
  • Filed: 04/28/2011
  • Published: 11/24/2011
  • Est. Priority Date: 04/29/2010
  • Status: Active Grant
First Claim
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1. Method for determining a twist structure in the surface roughness of a workpiece which is cylindrical at least in part, comprising:

  • a) multiple sampling segments which extend in the axial direction of the workpiece and which are mutually spaced apart in the circumferential direction are carried out in a surface region of interest on the workpiece;

    b) the value of at least one parameter of the twist structure is determined based on the measured values obtained using the sampling segments;

    c) an estimated value of at least one parameter of the twist structure is determined based on the measured values associated with a first sampling segment; and

    d) the estimated value is corrected based on the measured values associated with at least one second sampling segment.

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