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Method and machine for determining a shape contour on a measurement object

  • US 10,060,737 B2
  • Filed: 10/01/2015
  • Issued: 08/28/2018
  • Est. Priority Date: 04/02/2013
  • Status: Active Grant
First Claim
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1. A method for determining a shape contour on a measurement object, comprising the steps:

  • providing a coordinate measuring machine having a rotary table, a measuring head with a measuring element and a frame on which the measuring head is arranged,wherein the frame has a first frame part moveable relative to the rotary table along a first movement axis, a second frame part moveable relative to the rotary table along a second movement axis, and a third frame part moveable relative to the rotary table along a third movement axis, and wherein the rotary table can be rotated about a further axis,arranging the measurement object on the rotary table and positioning the measuring element at a defined position along the first, second and third movement axes by moving at least one of the first, second and third frame parts,rotating the rotary table while the measuring head, using the measuring element, records current measured values which represent spatial positions of measuring points on the measurement object relative to the measuring head, anddetermining the shape contour on the basis of the current measured values,wherein the measuring element is mounted via at least one fluid bearing in order to permit a movement of the measuring element relative to the rotary table, andwherein the at least one fluid bearing is deactivated while the current measured values are recorded.

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