The Kadant Blog

Doctoring, Cleaning, Filtration


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. 

Read more

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.

Read more

Most Popular Blog Posts in 2015

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.

Read more

Yes, It’s Possible To Effectively Clean a Yankee Dryer

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.

Read more

Reduce Curling with Paper Moisture Control

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.

Read more

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.

Read more

Chapter 1: Common Definitions in the Tissue Industry

Jargon is used within just about any industry and is often confusing to newcomers. The tissue market is not excluded. The following is a list of common terms and definitions used within the tissue industry by operators, management and vendors.

Read more

Fluid Filtration 101: Understanding the Basics

If you have water or fluid in your process system, it’s likely you have solids build-up. These solids can cause difficulty in the production process. Basic knowledge about particle size measurement, total suspended solids, fluid types, and filtration screen basics is helpful when determining the correct filtration system to implement or when troubleshooting a problematic system.

Read more

Doctoring Tips from the Experts

I had the opportunity to sit down with Jon Olszak and Mike Six, regional applications managers for doctoring, to discuss doctor blade tips and applications for the pulp and paper industry. Jon and Mike have over 35 years of doctoring and rolling cleaning experience.

Read more

Yankee and MG Dryer Efficiency Explored at Tissue Clinic

Kadant Solutions Division recently hosted the Tissue and MG Machine Optimization Clinic where participants had the opportunity to learn best-in-class practices from various process experts and identify new ways of viewing Yankee dryer optimization.

Read more
© Kadant Inc.

Privacy  |  Terms