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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Written by Jack Allen
on February 23, 2016.
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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Written by Jack Allen
on January 26, 2016.
2015 was a year of innovation for Kadant, so in case you missed it, these are the top five Kadant Toolbox blog posts from the past year based on popularity.
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Written by Kandi Hagenbuch
on December 15, 2015.
What is the single most expensive and critical piece of equipment in a tissue mill? The Yankee dryer, of course. And when chatter marks and other damage to the Yankee dryer surface are found, they require expensive grinds which can reduce the operating life of this important asset.
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Written by Jerry Vandoros
on November 17, 2015.
MP Hygiene, now in its fourth generation of ownership, recently seized the leadership position for hand towels in France. This fully integrated tissue maker and converter provides paper and non-woven wipes, disposable safety products, and hand cleaners for automotive, janitorial, medical, and food processing industries.
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Written by Martin Koepenick
on September 22, 2015.