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Do Your Homework to Solve Telescoping Roll Problems

(Web Handling)

December 03, 2014, Answer this list of questions to identify the source of your telescoping roll problems. I've been busy, even though some of you may have seen me live a couple months ago at CPP EXPO, but that kicked off ...

Do You Need a Roller That Is Chillin' and Groovy?

(Web Handling)

March 30, 2014, Web handling expert Timothy J. Walker of TJWalker+ Assoc. describes options for solving air lubrication of a big chilled or heated roller. How can you help a big chilled or heated roller that air lubricates, ...

Erhardt+Leimer Unit Measures Thickness and Grammage

(Controls News)

June 16, 2013, ... numerical display, roll, trend, min/max average values, zoom, filter function, statistics, recipe. Database is compatible with Excel. Applications also include lab measurement for blowing film and flat ...

Webex Carbon Fiber Rolls Have Custom Finishes

(News | New Products)

June 05, 2013, Outer layer is said to provide extra durability and to offer surface suited for special coatings   NEENAH, WI | Webex offers carbon fiber rolls with an extra-thick, outer epoxy layer said to protect ...

Eliminating Tin-Canning Rings on Your Wound Rolls

(Web Handling)

January 24, 2013, The elimination of roll rings that simulate rings on a tin soup can is a perennial problem for web handling experts. This list of possible solutions might work for you. Question: Why does my roll look ...

WebHandlersQuiz #18: Which Rolls Tighter—Paper or Film?

(Web Handling)

August 09, 2012, Which—paper or film (with equal dimensions and winding conditions)—will likely have higher internal roll pressures? WebHandlersQuiz 18 continues the Q&A format I began this past February with our quest ...

Flexonomics | Anilox Roll/Ink Selection

(Print)

July 01, 2012, ... roll is critical to print quality, process efficiency, and the overall cost of printing and coating applications. With endless offerings of cell count, cell shape, and volume combinations from anilox suppliers, ...

Web Lines | Blocking in Rolls

(Web Handling)

January 12, 2012, Get out of the hockey puck business… Hockey pucks. That is one name for the worst case of blocked rolls. You can’t unwind them, so what are they good for? Answer: hockey pucks. Unwinding a roll should ...

Web Lines: Is Wound Roll Pressure Greater Than Tire Pressure?

(Tension)

June 30, 2011, I'll bet you that your wound roll has more internal pressure than a car tire. To win this bet, I have to prove that internal roll pressure is above 30 I'll bet you that your wound roll has more internal ...

Web Lines: Web Length per Roller Revolution=?

(Editorial)

September 30, 2010, When a roller rotates, how much web does it feed forward per revolution? At first, the answer seems obvious: It feeds forward a length of web equal to When a roller rotates, how much web does it feed ...

Web Lines: How To Control Roller Nips

(Web Handling)

July 31, 2010, ... want to take the need for skill out of the repeatability of the compression. Nipped rollers, used in many processes, rely on high pressure created by rolling a web between two pinching rollers. In nipping ...

Web Lines: The Spin on Idler Roller Testing

(Web Lines)

May 31, 2008, ... pundits and offer some spin of my own, but my spin will be free of political opinions. Instead, I'll be giving you my spin on free-spinning rollers. Not every converter needs to consider improving idler ...

Idler Rolls Shipped in 48 Hours

(Archive)

February 26, 2007, Webex's emergency roll service delivers precision idler rolls within 48 hours, helping OEMs to complete converting machinery orders, or converters and printers to get process lines up and running again. ...

Roll Stand System

(Archive)

October 24, 2006, The pre-engineered XP Express roll stand system from Davis-Standard is equipped for the full range of sheet and packaging applications, including capabilities for laminating, solution coating, auxiliary ...

Automatic Roll Change

(Magazine)

August 14, 2006, Web Exclusive Large converting machines may have as many as two or more unwinds besides the rewind. In such a machine, the operator will be kept quite busy just changing rolls, if operator intervention ...

Ready to Roll

(Magazine)

April 29, 2006, Inventive materials are serving challenging applications in both wide and narrow web markets. What's new for your product line? New Materials DocuCheck Ghost artificial watermark ...

The Pressure of Winding Rolls

(Magazine)

April 26, 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 ...

Converting Rx for Bowed Rollers

(Web Lines)

October 30, 2005, At the top of my list of converting controlled substances: bowed rollers. Let’s read the “Directions for Use” fine print on the bowed roller bottle. Web Lines In pharmaceuticals, certain drugs are controlled ...

A Menu for Thickness Control

(Magazine)

August 30, 2005, Some applications require a heavy coating weight of an adhesive, coating, or primer, but others might require a lower coating weight. The choice depends on the particular adhesive, coating, or primer in ...

Get Out of the Scroll Business

(Magazine)

February 27, 2005, Curl will kill your product. How do webs end up curly? Let’s go over the top causes and consider how to eliminate them. Web Lines Whatever happened to scrolls? Scrolls were good business until about ...