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Goldilocks and the Three Bears Deal with Traction Problems

(Magazine)

July 31, 2002, ... traction variables prevents these defects (such as more wrap angle or more tension). How will we know when we have “too much” traction? The top hazard associated with “too much” grip is web wrinkling. ...

Outsourcing Is Trendy, But Is It Right for Process Expertise?

(Magazine)

June 30, 2002, ... In other words, how will this internal web technology expertise create benefits? Waste is the first place to look for potential benefits. Web handling waste includes web scratches, misalignment, wrinkling, ...

Cutting to the Chase

(Magazine)

April 30, 2002, ... moment of inertia, with the added property of greater stiffness, notes Bowden, adding that stiffer rollers deflect less and reduce potential problems such as web wrinkling. Bowden says the carbon fiber ...

Web Line Knowledge Offers a Competitive Advantage

(Magazine)

January 31, 2002, ... and mainly, how this knowledge can increase profits. The primary motive for increased web line knowledge is defect prevention. The four main defect areas are abrasion, wrinkling, deformation, and breakage. ...

Workhorse Winders Do More Than Ever Before

(Magazine)

November 30, 2001, ... have to make it so generic it's not going to do anything great.” For winding material that's subject to wrinkling, McCarthy says constant geometry winding really minimizes or eliminates the rewinding ...

Wide Web Handling and the Problems It Can Bring

(Magazine)

November 30, 2001, As new film casting machines have grown in width during the past several years, so have casting machine windups. One problem that arises with wider rolls As new film casting machines have grown in width ...

In-Mold Labeling Makes Strides Worldwide

(Magazine)

December 31, 2000, ... stated that the "lack of a sharp interface between a label and a container greatly reduces delamination, loosening, and wrinkling of labels" when using IML. Steve Monroe of Polyweave Intl. described ...

Impression Rolls: Their Jobs and Their Maintenance

(Magazine)

November 30, 2000, ... wetting occurs. Insufficient pressure obviously will cause unacceptably low bond values. Excess pressure can cause wrinkling. Many converters are not aware of the importance of the hardness of the rubber ...

Creative Problem Solving

(Magazine)

November 30, 2000, ... of some complex problems in less than a day when techniques that are more common had failed completely. The examples involved roll edge quality, baggy edges, and wrinkling problems. An Incorrigible ...

Core selection - the difference between success and failure.

(Magazine)

January 31, 1996, ... for uniform winding tensions, to prevent wrinkling, and to ensure smooth running on unwinding reel stands. * Uncontrolled core moisture during manufacturing may result in core shrinkage, which can cause ...

Flexo/screen proves to be a winning combination

(Magazine)

January 31, 1996, ... or wrinkling while simultaneously staying in register. "A 1.5-mil film is one thing," explains Brown, "0.5 mil is something very different." Speedy Delivery, Superior Service Topflight relies on improving ...

Winders/Unwinders: Gettting Better Every Day

(Magazine)

August 31, 1995, ... defects, including corrugations, delamination, crepe wrinkles, stretching, wrinkling, blocking, cigars, bursts, out-of-round or eccentric cores, and the dreaded web break. Understanding this technology ...

Training is the key to success in '90s corporate climb.

(Magazine)

August 31, 1995, ... longitudinal dynamics and tension control; lateral dynamics and control; out-of-plane dynamics; wrinkling; measurement of tension and wound roll stress; and a variety of special topics such as air films ...