International technology Group ANDRITZ (Austria) started up the modernized BM3 board machine successfully in Arnsberg, Germany, for R.D.M. Arnsberg GmbH at the beginning of January 2019 after a delivery time of just eight months.

In this contract, ANDRITZ was responsible for the new design of feed system for the new headbox, adapting the required dewatering capacity, and for recirculation of the white water. The components supplied by ANDRITZ are set up for a future production speed of 1,000 m/min and enable a significant improvement in the quality of formation as well as enhancing the profile stability of the top ply to obtain better processability of the finished products. At the moment, the production speed is approximately 780 m/min and the working width is 3.63 m.

The scope of supply includes a PrimeFlow SW headbox for the top ply, including a new headbox pipe, new dewatering elements, as well as a new white water channel with white water tank. In addition to installation of new frame parts needed for the top ply wire, the couch press frame was also repaired and adapted to meet future production requirements.