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Gill Sensors 60mm position sensors has been installed into one of the worlds’ leading manufacturers of tobacco processing machinery, to supply a reliable measurement solution for their cutting blade machines.
The company required the 60mm position sensor, a reliable sensor which could be installed into the tobacco cutting machinery to measure the position of 10 individual cutting blades. The machines have a high-speed rotating drum containing the ten cutting blades, whose position was currently being fed back to the control and automation software by linear potentiometers, over a 50mm movement.
Over time these potentiometers were succumbing to the highly dusty environment they were installed in. In addition to sourcing a robust linear position sensor that would continue to function despite tobacco debris producing a dusty environment, the sensor also had to withstand high g-loads, as the drum rotates at high speed during operation.
The solid-state, non-contact design of the Gill sensor provided the key benefits necessary for the application. Featuring Inductive technology, the 60mm sensor is unaffected by the dusty and high vibration conditions. Designed with no-contact between the sensor housing and activator, dust cannot penetrate the sensor causing wear or malfunction by clogging up, unlike the previously used potentiometers.
In addition to the proven durability and accuracy of the sensors, another key advantage to the sensors installation is its ability to provide fit and forget installation without extensive re-engineering. Furthermore the sensors can be re-calibrated to a 50mm measurement range through the sensors easy to use Graphical User Interface (GUI).
To test the sensors suitability under high ‘g’ conditions, a sample was supplied for installation onto a knife feed unit, which was placed in a centrifuge to test performance under realistic operating conditions. Throughout the testing programme the performance of the sensors provided exceptionally high reliability and accuracy resolution.
10 Gill position sensors are now installed as standard to the blade assembly of the tobacco cutting machinery, enhancing the reliability and reputation of the customer and its products.