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Automated calibration method for additive manufacturing system, and method of use thereof

  • US 9,205,690 B2
  • Filed: 03/16/2012
  • Issued: 12/08/2015
  • Est. Priority Date: 03/16/2012
  • Status: Active Grant
First Claim
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1. A method for calibrating a print head for use in an additive manufacturing system, the method comprising:

  • positioning the print head at over a calibration target retained by a moveable platen of the additive manufacturing system, wherein the calibration target has a top surface with a plurality of edges;

    moving a tip of the print head along the top surface in a first direction until the tip drops off of a first edge of the plurality of edges;

    identifying a first coordinate location at the first edge where the tip dropped;

    moving the tip along the top surface in a second direction that is substantially perpendicular to the first direction until the tip drops off of a second edge of the plurality of edges;

    identifying a second coordinate location at the second edge where the tip dropped;

    determining a coordinate point of the calibration target based at least in part on the first coordinate location and the second coordinate location; and

    setting a calibration parameter for the print head in a horizontal plane based on the determined coordinate point.

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