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Web Handling & Converting

Blogmaster: Dr. David Roisum

Here we continue our series on some of my favorite measuring tools for troubleshooting web handling and talk about some uses for the force gage.  I know the list here is woefully incomplete, perhaps the readers might add more ideas in the comment section. Web201.39c Web Handling Toolbox ...

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I have written and taught on this subject on many occasions, and I hate to repeat myself because there are so many other things to talk about, but the message does not seem to be getting to the builders and buyers of machinery.  That is, in general, roller skewing (intentional misalignment by a...

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Here we continue our series on some of my favorite measuring tools for troubleshooting web handling.  Here we find out some of the many ways a tool small enough that you can fit it into the palm of your hand can be so useful. Web201.39b Web Handling Toolbox – Dial Indicator htt...

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There is an evolution of understanding from ideas (I believe/think), to theories (i.e., with equations), to theories verified by measurement (usually called ‘laws’), to theories that have a verified failure prediction.  Only when we have a failure theory does the theory truly become...

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Here we begin a whole new series on some of my favorite measuring tools for troubleshooting web handling.  We begin with the Pi Tape, a tool I used on both of my visits just this week. Web201.39a Web Handling Toolbox - Pi Tape ***2...

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We have just reached several milestones in this information service that I launched two years ago.  You can either use the Web 201 by AbbottApp to do your search, or just subscribe to the AllWebHandling channel on YouTube.  Note, YouTube’s own search engine is worse than worthless fo...

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It is difficult to capture the richness of the roller grooving world, but let me try.  My first engineering job was for the once-largest and oldest web machine builder in the world, the Beloit Corporation.  This paper machine company had over 2,000 grooving styles in their portfolio. ...

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Posted in: Design, Rollers
A smashing success by any measure.  Total attendance over 400; a new record.  Web handling session attendance often over 60; a new record.  Vendor participation; a new record.  Well, I could go on, but we will do that in upcoming posts where we review a dozen stellar web handling...

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Posted in: Current Affairs
Those who have taken my 2-day Web Handling course will recall one of the scores of terms I have coined:  TTP processes.  Many processes are sensitive to Time, Temperature, Pressure and chemistry.  These include coating and laminating.  These include many pressure dependent Windin...

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It is difficult to capture the richness of the dancers versus load cell debate.  The following clip lists some of the more important considerations.  If you want an even better understanding, come to my 2-day Web Handling course.  If you do machine design or especially tension control...

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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.

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