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Tracking Wrinkles: Part II

(Magazine)

May 31, 2004, ... as beam bending, the force required to shift the web will go up with span length cubed. As spans get shorter, there may not be enough traction to drive the web to buckling and wrinkling. Eliminate tracking ...

Fast & Flawless

(Magazine)

April 29, 2004, ... films, because that's where the growth in our market is,” says Conway. “I was looking at whether these machines could handle thin-gauge material and wind it with the proper uniform tension, without wrinkling ...

When Rollers Fight, Webs Lose

(Archive)

March 31, 2004, ... arms to translate this alignment, and then ensure the roller is square. Poor alignment at winding leads to crossweb wound-in tension variations and wrinkling. Nip pressure is extremely sensitive to misalignment. ...

Drupa New Product Digest

(Magazine)

March 30, 2004, ... eliminating a source of wrinkling and material waste. Unit uses a lay-on roller for greater winding control, company adds. Visit Hall 3, Stand E47 at Drupa. Gravure Press Changeovers Are Quick Uteco ...

The Family Breadwinner

(Flexpack)

February 28, 2004, ... and wrinkling while in use, exhibiting no flake off. Hole-in-One Favorite A marketing award in the Packaging: Nonfood category goes to a debossed, holographic box for Power Distance Gold Balls ...

Migration of Fluorescent Whitening Agents from Food Packaging Made from Recycled Paper

(Magazine)

February 28, 2004, ... Teflon disk (to provide slippage and prevent the wrinkling of paper while tightening the nut), a paper sample, aluminum mesh disk, and retaining curled nut. The latter has a 1/4 in. extending flat lip ...

Products

(Magazine)

January 30, 2004, ...  Automatic web-in slitter is a sheeter innovation that permits order size changes without web removal, said to reduce downtime, tearouts, and wrinkling. Company adds automatic positioning ensures slitter ...

Doctor Blade Systems: A Cure for What Ails Your Printing Process

(Magazine)

October 31, 2003, ... source of lost press time, labor costs, and printed waste.” Much time and effort are needed to tighten them without distorting the blade holder jaws and wrinkling the doctor blade. Today's equipment ...

Small Flexing, Big Benefits

(Magazine)

October 30, 2003, ... more than 50-150x the mechanical deflection. It wouldn't seem 10-30 mils of spreading would be significant, but compared to a standard idler, this roller was 5x less sensitive to wrinkling from misalignment. ...

Converter Panel Attracts Interest at Conference

(The Place)

September 30, 2003, ... machine limitations such as width or speed,” he said. “Because they are not as familiar, they may catch us off guard.” The challenges described in his paper include wrinkling, air entrainment, tension ...

Where Does a Spreader Spread?

(Magazine)

September 30, 2003, ... rollers, empirically demonstrating their ability to prevent wrinkling and spread a slit web. Ron's simple spreading test started with a 12-in.-wide web, under controlled tension and speed, tracking from ...

Winding Better Rolls

(Archive)

May 31, 2003, ... (non-cylindricity), wrinkling, excessive air entrainment, and loose winds. Understanding the importance of winding entry span length and the use of nip and gap rollers at winding will lower your waste ...

Can't Touch This (Web): Part

(Magazine)

April 30, 2003, ... web line. Tracking and sailing problems are more likely to limit span length than is gravity. Increased web flexibility in long spans magnifies tracking errors, leading to misalignment and wrinkling ...

What's New in Narrow We

(Magazine)

April 30, 2003, New products from: Avery Dennison, Convertech, CTC Intl., FLEXcon, National Adhesives, and Raflatac. New Products for the Narrow Web Converting Industry Film Achieves “No-Label Look” on White Containers ...

AIMCAL Winners Pulsate with Panache

(Corrugated)

March 31, 2003, ... a laminate that displaces air and attendant reflections so visibility does not diminish as layers are stacked while eliminating wrinkling and adhesive transfer as layers are removed. A printed logo identifies ...

Products

(Magazine)

January 31, 2003, ... rolls designed to reduce or eliminate web wrinkling. A variety of rubber elastomers are available with physical properties said to endure strong solvents, excessive heat, and web hardness, mfr. says. Grooving ...

Differential Rewinding: Part Three

(Magazine)

December 31, 2002, ... differing diameters, and quick width changes makes pack-winding many rolls on a differential shaft a daunting task. Using a short-entry web span ahead of differential rewinding will reduce wrinkling and ...

Opportunities in Academia

(Magazine)

November 30, 2002, ... dynamics; wrinkling; air films between webs and rollers; aerodynamic effects in transport; and measurement of tension, wound roll properties, and physical properties. Materials considered in these research ...

Products

(Magazine)

October 31, 2002, ... machinery significantly in performance and capability at a fraction of the cost for a new machine. Updating rollers can eliminate web wrinkling, improve web handling, and increase line speed, co. says. ...

Five Questions and Answers on Lubrication

(Magazine)

September 30, 2002, ... in wrinkles; thus, lubrication reduces wrinkling sensitivity. Air entrained in winding rolls helps to fill the valleys of crossweb caliper variation. Understanding air lubrication can help you prevent ...