Dilution Headbox Design Innovations and Mill Operating Results, 2001 Papermakers Conference Proceedings
An Italian mill produces testliner, medium and fluting from national OCC furnish. Retrofitting P.M.2 CD control from conventional slice-blade to dilution reduced CD basis weight dispersion by over 50%. Machine speed increased about 100m/min primarily due to dryer section changes.
Design, start-up and operating issues are discussed in the paper.