METHOD AND APPARATUS FOR MONITORING A BEARING STATE OF A PROBE

A method and an apparatus for monitoring a bearing state of a probe or probe part of a coordinate measuring machine, wherein the apparatus comprises at least one evaluation device and at least one monitoring circuit. A probe-side bearing section is mountable on a measuring-machine-side bearing secti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FUCHS Anton, KERN Rudolf
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A method and an apparatus for monitoring a bearing state of a probe or probe part of a coordinate measuring machine, wherein the apparatus comprises at least one evaluation device and at least one monitoring circuit. A probe-side bearing section is mountable on a measuring-machine-side bearing section via a plurality of bearing devices. The monitoring circuit comprises at least one subcircuit per bearing device. A variable dependent on a resistance of the monitoring circuit is determinable. A resistance value of the subcircuit in a closed state of the bearing device is different than a resistance value of the subcircuit in the open state of the bearing device. The monitoring circuit is designed in such a way that an open or closed bearing state of each bearing device is determinable depending on the variable dependent on the resistance of the monitoring circuit.