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BillerudKorsnäs continues upgrade at its paperboard mill in Frövi, Sweden

SWEDEN (News release) -- The older vibration monitoring system on the KM5 board machine at Swedish board mill BillerudKorsnäs Frövi has reached the end of its technical life, and the upgrade project launched in 2015 involving the Intellinova online system from SPM Instrument AB now continues with new investments.

In the fall of 2015, Intellinova was installed on three of the dryer groups in the board machine's dryer section. As the project now moves on, twenty additional Intellinova units with vibration modules are purchased to replace the older vibration system on the remaining dryer groups.

Existing cabling and vibration transducers for a total of 640 measurement points are retained, while the measurement units themselves are replaced. SPM's service engineers perform the exchange continuously during 2017.

With the upgrade to Intellinova, the board mill will be able to use the patented vibration enveloping technology HD ENV, which provides maximum early warning against deteriorating mechanical condition in gearboxes and bearings. Exceptionally clear and easy-to-interpret measurement results in both spectrums and time signals make it easy to verify the type and extent of the damage.

An Intellinova installation was also made in Frövi three years ago, to monitor rolling element bearings in a continuous digester with SPM HD, which is particularly well suited for low RPM equipment. For route-based measurement on less critical equipment, three Leonova Diamond instruments, acquired in conjunction with the investments in 2015, are used.

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