Norske Skog touts application of Voith Paper Sky Top doctor blades to PM No. 4 at Bruck mill in Styria, Austria, for improved machine performance

HEIDENHEIM, Germany , August 9, 2011 (press release) – Voith Paper has enabled the long-time customer Norske Skog Bruck, Austria, to achieve success through the application of SkyTop doctor blades on their PM 4 as well as during the shift internal kart race. In the early summer “Team E” of line 4 organized a kart race in the Austrian city of Graz, where the tires squeaked and the focus laid firmly on having fun. The well-established cooperation between Norske Skog and Voith was evident on the racetrack, where even on the roughest of asphalt surfaces both high performance and speed were achieved.

This also applies to the success on PM 4. For more than three years Voith SkyTop doctor blades have been used on the center press roll of the paper machine in Bruck an der Mur where wood-containing graphic paper is produced. The application of SkyTop on the center roll significantly helps in achieving improved paper machine performance. Doctor contamination was greatly reduced and the running time was considerably extended.

Moreover SkyTop achieves a constant roughness of the roll surface affecting the paper quality in a positive way. “With SkyTop blades we succeed in maintaining the roughness of the center ceramic roll for the entire roll cover width on the designated high level over several years”, explains Gernot Christöfl, Assistant Line Manager PM 4. The performances on the racetrack and the increase in doctor blade efficiency together demonstrate the close and trustful cooperation between Norske Skog and Voith Paper.

Norske Skog Bruck PM 4 manufactures 57 to 90 g/m² wood-containing graphic paper at machine speeds of up to 1500 m/min.


Voith Paper is a division of the Voith Group and the leading partner to and pioneer in the paper industry. Through constant innovations, Voith Paper is optimizing the paper manufacturing process, focusing on developing resource-saving products to reduce the use of energy, water, and fibers.

Voith sets standards in the markets energy, oil & gas, paper, raw materials and transportation & automotive. Founded in 1867, Voith employs almost 40,000 people, generates € 5.2 billion in sales, operates in about 50 countries around the world and is today one of the biggest family-owned companies in Europe.

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