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Web Handling & Converting

Blogmaster: Dr. David Roisum

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(Other) Converting

17

Roll Handling Tattle-tales

Posted by David Roisum on May 17, 2012
Ever got a returned roll from a customer?  Looks nothing like when it left the winder.  Looks truly beat up.  Who dunnit?  Handling by your people, trucking/rail, your customer and what was the offending element?  Simple, put a roll handling tattle-tail in the core.  Th...

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Posted in: (Other) Converting, Winding
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06

Baggy Web Survival Strategy

Posted by David Roisum on September 6, 2011
The first time you get baggy material, send the roll back to the supplier. What will they do? They will pay the claim. What will they not do? Fix the problem. The second time you get baggy material, try to find some measure of bagginess and a threshold of pain. Candidates include roll hardness...

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Posted in: (Other) Converting, Problem Solving, War Stories in Web Handling, Web Manufacturing, Wrinkling & Flatness
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27

PFFC - RIP

Posted by David Roisum on August 27, 2011
PFFC - RIP
Wait a day before hitting the return button is good advice when you are upset.  I waited two days in this case, just in case. The owner of Paper, Film and Foil Converter magazine, Penton Media Inc., has decided to discontinue producing the print magazine and all its electronic media products. ...

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Posted in: (Other) Converting, Current Affairs, History, New & Noteworthy
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05

Web History III - Converting

Posted by David Roisum on June 5, 2011
Web History III - Converting
Judson Moss Bemis began his bag manufacturing business in 1858.  Since then the Bemis company has gone from producing cotton and burlap bags for millers along the Mississippi River to a global powerhouse producing technologically-advanced flexible packaging and pressure sensitive solutions for ...

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Posted in: (Other) Converting, History
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22

Web History I - Weaving

Posted by David Roisum on May 22, 2011
Web History I - Weaving
How old is web handling?  The oldest industry is weaving. Vertical, warp-weighted looms (where tension is kept by tying weights to bundles of threads) was well known in ancient Greece. By 1900 B.C., Egyptians also had a variation on this design, using a second bar in place of the weights. ...

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Posted in: (Other) Converting, History
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09

ICE – A few more bodies would have been nice

Posted by David Roisum on April 9, 2011
ICE – A few more bodies would have been nice
… but those that came were the best. I do not recall a conference or tradeshow where I met so many clients and colleagues. ICE 2011 has a dual legacy. First is the success in Europe as the International Converting Exhibition in Munich. Second is the remnant of CMM that in its peak a decade ag...

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Posted in: (Other) Converting, Current Affairs, Measurement, Web/Tech
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13

Robotic Roll Handling

Posted by David Roisum on March 13, 2011
Robotic Roll Handling
Rolls can be moved around in your plant in four different ways:  manual (limited to weights << 20 kg), machine assisted (carts, cranes, pallet trucks, forklifts, etc), hard automation (conveyors, upenders, wrappers etc) and robots.  Hard automation and robots both eliminate the need ...

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Posted in: (Other) Converting, Winding
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22

From Rags to Riches

Posted by David Roisum on February 22, 2011
From Rags to Riches
Paper, as a product, is more than 3,000 years old. Paper as a web product is more than 200 years old. Not only is paper the oldest web product, aside from textiles, it is also the largest (by volume) and probably the richest. Not surprisingly then, the industry has developed an extensive body of ...

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Posted in: (Other) Converting, Design, Rollers, Temperature/Moisture Effects
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17

Dan 'Dryer' Bemi does it again

Posted by David Roisum on December 17, 2010
Dan, along with principle authors Steve Zagar and Jeff Quass, have won best paper at the 2010 AIMCAL Fall Technical conference with their "Drying Laboratory Methods for the Development of Complex Empirical Drying Data.”  This is not the first time.  Back in 2006 he took the prize wit...

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Posted in: (Other) Converting, Current Affairs
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30

Lemon Gojo

Posted by David Roisum on October 30, 2010
Lemon Gojo
I learn so much from the people I work with.  Sometimes it is from my clients, other times from students and in this case from operators.  One of my students in a recent class remarked that they used Lemon Gojo for cleaning up sticky messes on rollers and other equipment.  The idea ca...

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Posted in: (Other) Converting, Maintenance, Problem Solving, Rollers, Safety
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Blogmaster

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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.