The modernization of the KM3 to enhance the quality of the end product, to reduce specific energy consumption and to increase productivity across the entire product range.

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Andritz rebuilds of MM Board & Paper's board machine at Frohnleiten mill in Austria

MM Board & Paper, Austria, has successfully re-started its KM3 board machine at the Frohnleiten mill after Andritz completed a major rebuild.

The rebuild included several upgrade measures to improve the machine’s performance in line with the customer’s targets.

KM3 has a design speed of 800 m/min and a wire width of 5 m. It produces folding boxboard (chromo duplex quality) with 230–450 gsm. The rebuild comprised the modernization of the wire section including approach flow systems, headboxes and hybrid former. In addition, Andritz’s scope included a new press section, the rebuild of the pre-dryer section, an upgrade of two under-machine pulpers, machine clothing and roll covers, adaption of the automation system, as well as assembly, start-up and production assistance.

MM Board & Paper is Europe's largest board producer (excl. liquid packaging board). With a capacity of 540,000 t/y, the mill in Frohnleiten, Austria, is Europe’s largest recycled cartonboard mill.

Andritz Pulp & Paper provides sustainable technology, automation, and service solutions for the production of all types of pulp, paper, board and tissue.