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Web Handling & Converting

Blogmaster: Dr. David Roisum

01
Perhaps the most common question I get is “what is the best tension for me?”  Curiously, the as important “and how close do I need to hold it?” is almost off the radar until the web goes on the floor. Web201.36c Web Handling Matters – Tension https://www...

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27
by not going to my Web Handling and Converting and Winding schools or by not enrolling in the online video-on-demand versions.  Last chance to enroll in the last public class of the year. Also, if your company slits webs you should know about slitting.  Last chance here as well.&nbs...

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25
Width, perhaps more than any other factor, has the greatest influence on both economics and web-handling.  Find out why.  (P.S, you were probably thinking about speed and we will get to that shortly because its affects on economics are notable but its affects on web-handling are mostly uni...

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20
DOE (Design of Experiments) is a formal technique for problem solving that, when done right, can show unknown correlations between adjustable factors and something you care about in a most efficient and reliable way.  The discipline of the plan and execution can improve the quality of the resul...

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18
There are many factors that influence web handling behaviors.  Some are weak.  Others are strong.  As problem solvers, we would prefer to work with the strong factors first; all else being equal.  This is the first in a series of clips on strength.   Let me know if you ...

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13
Trying/trialing something on your production machines can be expensive and limiting.  Sometimes it is not even an option because your company does not own the required equipment.  Why not consider pilot machines? http://www.pffc-online.com/coat-lam/9486-lab-pilot-technical-facilitie...

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13
Trying/trialing something on your production machines can be expensive and limiting.  Sometimes it is not even an option because your company does not own the required equipment.  Why not consider pilot machines? http://www.pffc-online.com/coat-lam/9486-lab-pilot-technical-facilitie...

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11
There are so many winding defects that are either made by profile or made worse by profile that we could write a paper.  Here, we will just summarize. Web201.35d Profile and Winding Defects – Other Defects https://www.youtube.com/watch?v=Wxr4iO3z59k ***201.35d – Pr...

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01
10th Anniversary of this Blog
Welcome Web Handlers!  I am very excited to author this blog dedicated to the must-know subjects of rollers, nips, tension control, wrinkling and much much more.  This is how it all began 10 years ago.  Since then, much water has ‘passed over the dam’ so to speak.  Po...

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30
You used punch cards for computer programming in school. You were the last generation of engineering students to use a slide rule (and the very first student in my college to use a scientific calculator; the Bowmar Brain). You were the very first to write a thesis at your university us...

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Blogmaster

David Roisum photo

Dr. David Roisum

Dr. Roisum is a well-known authority in the area of web handling and converting. He has authored seven books, including Winding, Rollers and Web-Handling and has coauthored or edited several others. He was a technical editor for Converting Magazine with a monthly column entitled "Web Works." An accomplished professional speaker and instructor, Roisum has been praised for his skill at translating highly technical information into a common sense practical reference. Dave has been honored by TAPPI with their Finishing & Converting Division Award, Thomas W. Busch Prize and Finest Faculty awards and is a TAPPI Fellow. Dave received his Ph.D. from the Web Handling Research Center where he later became an Industrial Advisory Board member.

Dave has worked for the Beloit Corporation as a designer of winding machinery and later as a manager of research, and for Kimberly-Clark as a converting expert serving all business units. He is now a principal of Finishing Technologies Inc., providing consulting services to more than 300 clients who convert or manufacture: paper, film, foil, nonwovens, textiles and many other materials. He has accumulated much practical experience working in nearly 1,000 plants over the course of more than three decades.

Converting School

Dr. David Roisum's
Upcoming Classes
Sep 21 - 22, 2015 - Chicago, IL
Web Handling and Converting
Sep 23 - 24, 2015 - Chicago, IL
Winding: Machines, Mechanics and Measurements

View the entire AIMCAL Converting School class schedule »
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