Coordinate measuring apparatus with optical sensor and corresponding method
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United States of America Patent
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Nov 10, 2020
Grant Date -
May 10, 2018
app pub date -
Nov 9, 2017
filing date -
Nov 10, 2016
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Abstract
A coordinate measuring apparatus, comprising a rotatably driveable receptacle for a gear workpiece and a measuring assembly, and configured to perform feed movements and measuring movements of the measuring assembly relative to the gear workpiece on a plurality of axes, the measuring assembly including
- an optical switch sensor which operates in a contactless manner,which is designed as a focus trigger sensor and is arranged on the measuring assembly in such a way that it is able to emit a light beam along an optical axis in the direction of the gear workpiece,wherein a scanning movement relative to the gear workpiece can be carried out with the focus trigger sensor by using one or more of the axes, andwherein a switching signal can be provided by the focus trigger sensor whenever the gear workpiece has reached a nominal distance relative to the focus trigger sensor.
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