Web/Roll Handling

AccuWeb Receives High Honor

Published: May 01, 2007

AccuWeb recently was recognized as a 2006 Wisconsin Manufacturer of the Year in the Small Company Grand Award.

Baggy Webs: Part II Measuring

Published: May 01, 2007

I'm not usually a big fan of management adages, but this is one I often can support: You can't manage what you don't measure. How do you expect a defect

Baggy Webs: Part I Nightmares

Published: April 01, 2007

This is the first of four columns on baggy webs, starting with understanding the problems they create. To most converters, the ideal web is one that is

Under Pressure (Revisited...and Revised)

Published: March 01, 2007

If I have any repeating theme to understanding web handling, it is to follow the stresses and strains. In nipped processes, you need to follow the compressive stress (aka pressure).

Don't Get Bent out of Shape

Published: February 01, 2007

Bending a web is like bending a pencil or a wire. A little bending is no problem, but if you go too far, something will get bent out of shape or break.

Twist & Shout

Published: January 01, 2007

A wrinkle is the web’s equivalent of a shout—stop it, you’re hurting me! To avoid your web shouting at you, think about how to apply uniform tension across it.

Dancer Rollers: Trust but verify

Published: November 01, 2006

In last month’s tension quiz, I gave out five points if your process had a calibrated tension transducer roller. Those of you with dancer rollers might have wondered why you didn’t get any points. Why am I “dissing” dancers?

Web Tension: A Pop Quiz

Published: October 01, 2006

Today's column is a pop quiz on web tensioning. Feel free to work as a team on the answers. If you score poorly, don't worry, but it's worth your while

Maxcess Launches Online Video Log

Published: September 28, 2006

Maxcess Intl. has launched an online video log for customers who were unable to attend the Labelexpo show earlier this month. Content will include technology, interviews, and equipment demonstrations.

Difficult Winding: Part II

Published: September 01, 2006

Last month I introduced you to roll modulus ratio, the first of the terrible trifecta of difficult winding. This month let's move on to the next two of

What Makes Winding Difficult?

Published: August 01, 2006

What is it that allows one product to run all year with 2% waste and another can't get on the core without problems? Consider this a lesson in product

Whatever Floats Your Web

Published: May 31, 2006

Why float a web? Because air floating can do things a roller can’t.

The Pressure of Winding Rolls

Published: April 27, 2006

Too much pressure inside a roll means more wound roll problems. Too little pressure inside a roll has its own negative effects. Worse still is having both high and low internal pressure occuring at the same time.

Deflecting Nip Roller Problems?

Published: March 31, 2006

What causes nip roller deflection? How can you compensate for nip roller deflection?

If Not Rough, How About Groovy?

Published: February 28, 2006

Even though rough surfaces have a bad reputation, rough is better than smooth to fight lubrication from air or liquid lubrication. But is rough the best solution?

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