Geometrical instruments – Gauge – Movable contact probe – per se
Patent
1995-06-29
1997-10-14
Fulton, Christopher W.
Geometrical instruments
Gauge
Movable contact probe, per se
33556, 33702, 33503, G01B 5004
Patent
active
056759029
ABSTRACT:
A probe head for a coordinate measuring machine is provided with a heat control management system which regulates the amount of heat generated within the probe head in order to provide thermal stability thereof. The heat control system includes a processor which determines the amount of current passed to one or more motors within the probe head over a predetermined time interval. The processor then determines whether auxiliary heat sources should be activated in order to provide thermal stability. In one embodiment the auxiliary heat sources are provided by passing a high frequency current through the motors of the probe head.
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Fulton Christopher W.
Renishaw plc
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