How it works
How it works
With TensionCam, the clamp load is measured using a specialized sensor module, with the TensionCam app serving as the user interface. The module features an image sensor that, when docked into a cavity of our custom-designed TensionCam nuts, captures images of a precisely machined circle at the bottom of the cavity.
The images are sent directly to our TensionCam cloud, where unique algorithms analyze the circle in the images and calculate its diameter. This is because the circle’s dimensions and shape change in response to the level of clamp load on the bolt joint and any potential eccentric bolt load.
Within seconds, the calculated change in diameter is converted into a clamp load and displayed in the TensionCam app. Additionally, the level of load eccentricity is shown as LOW, MEDIUM, or HIGH. If the load is classified as ‘HIGH,’ the operator should loosen the bolt joint and restart the tightening process.
All measured values are saved on our server and are presented in clear trend diagrams for each individual nut and bolt joint.
During the service life, the sensor is reapplied to examine the clamp load development based on the exact measurement of the diameter.
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