The Kadant Blog

Doctoring, Cleaning, Filtration


Big Ideas Discovered At IDEA16

Earlier this month, more than 7,000 people from around the world descended on Boston for IDEA16, the largest nonwovens tradeshow in the world. IDEA is a triennial show presenting the latest developments in the nonwovens industry. The exhibition and conference was attended by industry sectors ranging from automotive to medical, and hygiene to geotextiles.

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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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Tissue Makers Jazz Up New Orleans

Last week tissue makers and converters from around the globe visited Tissue World in New Orleans, Louisiana. The exhibition and conference, themed Beyond Sustainability – Leading a Culture of Innovation & Responsible Production, offered a variety of opportunities for learning. Speakers covered ways to improve Yankee efficiency and runnability, and technological innovation and energy efficiency in tissue production.  

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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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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 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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