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Web Handling & Converting

Blogmaster: Dr. David Roisum

New and Improved Web Machines
The best guide, in fact the only guide, to buying, selling and upgrading machines.  Machine sales and machine design and project engineers please note. Web201.33e – Web Machine Buying Guide ***201.33e – Web Machine Buyin...

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Slitter Rings
I have what appears to be ‘slitter’ rings, spaced at about 1” intervals on my winding roll.  My anvil roller runout appears to be OK. Much has been written about slitter rings; indeed at least two whole papers by David Pfeiffer (retired) as well as by slitter experts Re...

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Posted in: Slitting, Winding
Winding – (Almost) Everything You Need to Know
Winding is the best documented area of web-handling.  There are nearly a dozen books on the subject as you can find from the RoisumLibrary by AbbottApp.  Still, one stands out among the crowd. Web201.33d – Winding Machines, Mechanics and Measurements

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Posted in: Books, Winding
Baggy Edges N
I have baggy edges that get hung up going through the laminator nip.  Can you help? What do you mean by help?  If by that you mean understand why the web doesn’t make it through the nip, all you need to know was well covered in the wrinkling module of my Web101 course.  (...

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Rollers – (Almost) Everything You Need to Know
One of the longest-in-print books ever, is so for good reasons.  It is not just about rollers.  It is, in effect, the guide to web machine design and maintenance. Web201.33c – The Mechanics of Rollers ***201.33c – Th...

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Handling edges can be one great big pain in the ___.  By this I don’t mean vacuum trim systems.  These are mostly bullet-proof as long as it is done by people who do this for a living rather than a ‘do-it-yourself’ project.  What I mean here is carrying any edge that...

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Posted in: Slitting
The Ultimate ____ Guide
The title of the Ultimate Roll and Web Troubleshooting Guide speaks for itself.  Well, not entirely so let me add a few more words to the one, if you only had one, must-have book. Web201.33b - Roll and Web Defect Troubleshooting ***2...

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Posted in: Books
Roller Alignment Super Challenges
For the past three years I have given technical papers on the subjects of alignment mechanics and standards.  Though we have long known how close rollers should be, the calculations given in papers and books did not ‘sell’ and the practice continued pretty much as always amongst mac...

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More Photo Art
My latest book is just in time for spring and Mother’s Day. Nature by Dr Roisum is self-published through Shutterfly.  You can order the book directly from the print-on-demand company or just browse through it if you are curious.  In this book are nearly 100 nature photos from my cur...

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Web Handing Books
There are only a few books that could be considered as must-have’s for web-handlers.  This series introduces them. Web201.33a - Web Handling Books ***201.33a – Web Handling Books 07 Slides Duration 02.39 v 14.07.30 ...

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Posted in: Books


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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.

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