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The Kadant Blog

Doctoring, Cleaning, Filtration


What is TAD?

In the tissue industry, TAD is the acronym for Through Air Drying. The TAD process used in tissue manufacturing was developed by P&G, Kimberly-Clark, and Scott. TAD was first used commercially in the 1960’s in the manufacturing of tissue and towel products. Each company had a slightly different process which created an avalanche of patents around the TAD process.

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Causes of Yankee Chatter (Part 2 of 2)

In Part 1, two major sources of chatter causing vibration were highlighted: chemistry and doctors. In this post, we examine the impact excessive moisture can have on Yankee chatter.

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Are You A Nonwovens Manufacturer?

While many trade associations continue to revise their formal definition of nonwoven materials and fabrics, one thing is for sure: the definitions exclude papermaking. But why? Sure there is market pressure surrounding papermaking that seems to have no effect on the nonwovens industry. But if nonwovens producers distance themselves too far, they risk missing out on the process improving efficiencies developed for and perfected in the pulp and paper industry.

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In Case You Missed It

The year is half over and the marketplace is always evolving, so in case you missed it, these are the five most popular blog posts from the past six months.

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Panning for Gold the RotoFlex Way

What if you could collect large amounts of valuable resources in the form of raw materials, heat, and chemicals for almost no investment or maintenance costs? What if you could also reduce the cost of water treatment?

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Causes of Yankee Chatter (Part 1 of 2)

Chatter on a Yankee is a result of multiple process and mechanical issues in the manufacturing of tissue that cause the doctor blade to skip or flex, and eventually bounce on the dryer surface digging into the metal and leaving chatter marks. Chatter issues have plagued tissue makers for decades, causing substantial losses in production and profitability. When chatter becomes an operational problem and there is need to grind the Yankee to eliminate the defect, expect up to a week of downtime. Surface refinishing is an activity that is costly in labor, lost production, and the grinding service. 

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Chapter 2: Common Definitions in the Tissue Industry

As mentioned in Chapter 1, jargon is used within just about any industry and is often confusing to newcomers. The tissue market is not excluded. The following is a continuation of the list of common terms and definitions published earlier this month used within the tissue industry by operators, management and vendors.

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