The Kadant Blog

Welcome to the Kadant Toolbox, the official blog of Kadant. We know running an efficient operation with a reliable process is what your operational performance relies on, so we put our team to work for you to provide instruction, best practices, and technical know-how. 

Latest Articles

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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Kadant Johnson to Offer Donahue Steam Products

Kadant Johnson Inc. has expanded its corrugator steam and condensate handling systems to now include Donahue steam systems, Donahue steam traps, and corrugator audit services.

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Steam Joints for the Corrugating Industry

Rotary steam joints have been a part of the corrugating manufacturing process since the 1930’s. Since then, there have been significant advances in sealing technology, rotary joint design, and materials to extend the application range of the conventional pressure-type rotary joint.

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Paper Dryer Fabric Tension Impacts Dryer Performance

Dryer fabrics, often called dryer “felts”, are used to hold paper against the outer surfaces of steam-heated drying cylinders. The pressure from the dryer fabrics increases the rate of heat transfer from the dryer to the paper. The pressure that is applied to the paper depends on the fabric tension and the diameter of the dryer. The pressure can be calculated, as a first approximation, by the equation:

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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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Clean Rolls Make a Difference in Metal Processing Lines

Processing strip metal in continuous form is full of challenges. The strip is conveyed over and through numerous rolls, many of which contact the strip and have a direct effect on quality. Adding roll cleaning systems has proven to help maximum run rate, yield and improve product quality in these processing lines.

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