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- WEKO Web Moistening System RFS：Confidence and achievements
WEKO Web Moistening System RFS：Confidence and achievements
When printing the cover on a sheet-fed press and the text (bundle) on an offset rotary press and binding the book, the text may sometimes pop out from the cover over time.
RFS minimizes the dimensional changes in paper that occur due to the reduction in moisture content caused by the dryer in rotary offset printing.
WEKO’s unique rotor dampening spray method and a system that sprays water according to the speed of the printing machine make it possible to always apply the desired amount of water uniformly to the paper surface.In addition, by applying an appropriate amount of water, it is possible to reduce back cracking, a decrease in stitch strength, and various other problems caused by static electricity.
RFS contributes to improved quality and production efficiency.
・Allows for uniform spraying and stable water flow rate control.
・Allows for moistening width control depending on web width variation.
・A speed response capability to freely control the water flow rate curve.
・Offers an installation performance record on the presses of each manufacturer.
・Reduces rust problems with nearly no spray scattering.
・Either soft water or hard water can be used. No pretreatment equipment such as a demineralizer is required.