Mini-Encyclopedia of Papermaking Wet-End
Part Three: Equipment & Unit Operations
Dragging the Sheet
Papermakers use the word "dragging" to describe the situation in which a forming fabric is moving faster than the jet of stock coming from the slice. On many paper machines a minor amount of drag, say 1-3%, can improve formation uniformity. Dragging also tends to give fibers a preferential alignment in the machine direction. As a consequence, the machine-directional strength properties are expected to be higher than the cross-directional properties. The opposite of dragging is rushing.
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