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2015-07-16

Voith: Rebuild of Gruvön PM 6 successfully completed

Voith has successfully completed the modernization of the paper machine PM 6 at BillerudKorsnäs AB in Gruvön, Sweden. As part of the rebuild project, the press section and parts of the dryer section have been modernized. BillerudKorsnäs manufactures on the PM 6 fluting for packaging paper from virgin fibers.
In the press section the existing roll press was taken out of the second position and installed in the first press position. Now a new NipcoFlex shoe press is being used as the second press. The NipcoFlex package delivered to BillerudKorsnäs is the first one which can achieve lineloads of up to 1,700 kN/m. This is only possible through an optimal combination of roll, shoe, press sleeve and press felt, which were all developed by Voith. Through the extremely high press pulse maximum dewatering is achieved with the highest paper quality. The closed web run through the press reduces sheet breaks and increases the runnability of the paper machine. Dryness and speed of the paper machine are increased simultaneously. In addition, the cantilevering structure in the shoe press position of the new press allows the use of endless felts.

For the conditioning of the press felt a ProLub cleaning system has been installed for the first time in a paper machine for packaging papers. ProLub cleans continuously the felt across the entire working width. The dryer section has been reduced by two dryers, resulting in further energy savings.

Also part of the scope of supply were MultiFlex machine clothings in the press and dryer section and an OnQ ModuleSteam steam box that ensures a uniform CD moisture profile and a higher dryness.

BillerudKorsnäs AB, headquartered in Solna, Sweden, emerged in 2012 from the merger of Billerud and Korsnäs and is one of the leading manufacturers of packaging paper made from virgin fibers.
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