The Kadant Blog

Doctoring, Cleaning, Filtration


Paper Moisture Control to Reduce Curling

During the paper manufacturing process, many scientific processes are manipulated to control the physical properties of the paper such as weight, thickness, color, strength, and moisture. While most of these variables remain fixed after the paper is made, the moisture content begins to change almost immediately.

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How to Choose a Roll Cleaning Blade

Doctor blade? Roll cleaning blade? Scraper? The term is used differently depending on the industry but the product’s purpose is the same–to clean or remove contaminants from a cylindrical surface.

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New Movie Shows Removal of Roll Surface Build-Up

The patented EzKleen™ roll polisher is a recent development used to clean and recondition process rolls. The simple device incorporates a pivoting shoe that holds a cleaning pad and adjusts to any roll diameter.

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Doctoring Suction Pressure Rolls on Tissue Machines

A suction pressure roll double doctor blade system is specially designed for dewatering suction pressure rolls in tissue making applications. The system is comprised of a specially designed holder in primary position that augments the natural vacuum created behind the blade tip to expel more water from the roll surface.

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Why is Checking the Doctor Blade Angle Important?

Doctor blades are used to clean rolls and remove stock accumulations, water, pitch, and filler buildup. Since paper, tissue, chemical, food, beverage, corrugating, construction, metals, textiles and nonwovens, it is important to make sure each doctor blade angle is set appropriately for the job to be accomplished.

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Roll Cleaning in the Food & Beverage Industry

I sat down with Kadant’s Mike Mercer, district sales manager, to better understand some of the challenges facing roll cleaning in delicate environments such as the food and beverage industry.

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Nanotechnology Enhanced Doctor Blades Meet the Challenge

Nanotechnology, as it applies to doctor blades, is a microscopic filler material that is used to enhance the doctor blade performance. It’s added to resin to make the blade denser with higher peel strength and improved chip resistance. This stands out from a typical composite blade and allows for better wear resistance and roll cleaning.

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