Blind drilled, grooved, and suction drilled rolls are commonly used on presses in the papermaking process. The open areas in these rolls are designed to accept water from the fabric. It is important all the water in these rolls be evacuated before the nip to prevent re-wetting the sheet and to ensure optimum press nip performance. In some cases these rolls rely solely on centrifugal force to evacuate water, but this is often not sufficient, especially when the fabric becomes filled and cannot accept as much water.
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Written by Jerry Vandoros
on April 08, 2014.
Selecting filtration equipment that performs efficiently under the dynamic process conditions of paper machine white water loops can be a challenge for many papermakers. Variability in furnish, paper grades and the operating conditions of the machine, can lead to large swings in the type and amount of solids that must be removed from the white water before it can be reused in the process.
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Written by Pat Long
on March 10, 2014.
Removing sharp doctor blades can be a challenging task. The function of a doctor blade is to scrape glues, wood pitch, stickies, and fibers from rolls.
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Written by Korey Jerome
on February 10, 2014.
Kadant Solutions entered the blogosphere in October 2013. And the entire year was full of research, development, and learning. Escorting out 2013 and ushering in the new year wouldn’t feel right without some reflection.
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Written by Vicki Hunsberger
on January 10, 2014.
Regardless of industry or application, every production facility is looking to operate equipment as long as possible before replacing worn-out components. This is especially true for roll cleaning, wrap prevention, and surface treatment applications found in the carbon fiber industry.
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Written by Jerry Vandoros
on November 19, 2013.
