Bolt tension Monitoring by Fibre Optic Sensor Screw "MoniBolt"
The fibre optic sensor screw "MoniBolt" simply replaces the previous scew , without any remarkable loss of stability compared to the previous system.
A fibre optic cable is simply connected to the fibre optic coupling placed in the screw head. This cable connects the evaluation unit to the sensor, so that both a permanent and a sporadic monitoring is realizable without recalibration.
This is of great advantage especially for quality and working process management.
The available bolt sizes run from M 16 to M 64 , bigger sizes on request.
Among appropriate applications are safety-relevant screw connections in power plants, high pressure machinery, chemical reactors and nuclear facilities. Early-warning systems for critical screw joints (leakage detection, prevention of costly material loss) are easily set up, in order to eliminate expensive maintenance teams with complex tool equipment.
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