The Newest High-Speed Board Paper Machine - Top Quality at Top Speed -

摘要

Even thogh targeted speeds are approaching each other on printing paper and board machines, there are many distinct differences in the machine lines. Two Former achieved essential strength properties for board paper. Closed transfer without the center roll is more important with low quality waste paper than with virgin pulp. Surface sizing of boards is different from fine paper. The need to achieve full penetration is essential. Full penetration means weaker runnability properties. The TurnDry contactless dryer is a great tool in this respect. Final dryness is reached by two tier felting in order to control the curl of the web. All these sections and components within each section makes a line-Opti Concpt line for Boards at high speed.