Application of OptiDwell Shoe Nip Calender

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Other Title
  • OptiDwellシューニップカレンダーの応用
  • OptiDwell シューニップカレンダー ノ オウヨウ

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Abstract

Metso Paper has developed OptiDwell shoe nip calender which enables achievement of long dwell time, reduction of compression pressure and coutour calendering with extremely soft belt. This technology is based on Valmet shoe press and soft calender technologies. The first OptiDwell was started up to produce coated liquid packaging boards and coated white top liner boards at Korsnas PM 5 in Sweden in 1994. Bulk saving and improvement of surface qualities of boards were easily achieved with Opti Dwell. The second OptiDwell was started up at Korsnäs PM 4 in 2000. Two other OptiDwell were also delivered to other customers and started up.<BR>Metso paper has studied various kinds of applications of OptiDwell. OptiDwell is applicable not only for a final calender but also for a precalender. Pilot test results proved the effectiveness of new application of OptiDwell as a precalender for high-quality coated boards.

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 57 (8), 1130-1137,028, 2003

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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