Abstract
We got the remarkable improvement of the CD basis weight profile by introducing the stock consistency control. New adjusting device and sensor for CD fiber orientation profile control are developed and we will be able to control the fiber orientation profile as well as basis weight profile. However the headbox has influenced the various fields of paper making not only CD profile control but also formation, variation on the MD, easy operation and simple maintenance. The Module Jet headbox of IHI-Voith Sulzes Paper Technology which was released in 1994 has achieved high performance on those any fields, and about eighty (80) Module Jet headboxes are operating all over the world.This report shows our design concept and newest technology of headbox.
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