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How Static Bars Work

(Static-Beat)

November 30, 2009, ... RFIDs and printed electronics, bring electrostatic discharge (ESD) sensitivity to roll-to-roll manufacturing. Static bars are highly effective in controlling static in operations that demand excellent ...

Parkinson Technologies Adds Seven Layer Capability to Pilot Lab

(News | New Products)

November 16, 2009, ... 7-layer capability, the die also brings vacuum box pinning as an option to the existing air knife, electrostatic wire, and polishing nip roll options currently available in the pilot lab. The die is equipped ...

Cores | The Foundation of Winding

(Web Lines)

October 31, 2009, ... winding roll by losing both outer and inner diameter. Excessive inner diameter loss can make a roll impossible to remove from a shaft. Core compression is especially troublesome for stiff materials ...

Parkinson Adds 7-Layer Capability to Pilot Lab

(News Clips Archive)

October 31, 2009, ... the die also brings vacuum box pinning as an option to the existing air knife, electrostatic wire, and polishing nip roll options currently available in the lab. Ken Forziati, business development manager, ...

Dissipating Static

(Static-Beat)

September 30, 2009, ...  In Figure 1, PP film runs over a hard-coated aluminum idler roller. The film already has some negative charge because it has touched some rollers. When different materials touch and separate, one will ...

Time for Unwinding Upgrade?

(Archive)

August 31, 2009, How do you know when its time to upgrade from a brake-controlled to a driven unwinding process? How do you know when its time to upgrade from a brake-controlled to a driven unwinding process? When ...

Spool Rules

(Winding Unwinding Rewinding)

August 31, 2009, ... and programmed traverse adjustment settings. An encoder provides a signal of the precise rotational spool position to the traverse controller, which maintains the preset winding pattern from core to full ...

Web Exclusive: Matching Laser Cutters to Labels

(Archive)

April 01, 2009, ... for controlling heat during laser cutting, one finds that the adhesive layers melt, causing release paper and labels to adhere and making high-speed extraction of labels impractical, if not impossible. ...

Cleaning at the Cutting Edge

(News | New Products)

August 17, 2008, ... which in turn raises dust. To further complicate matters many of these particles can become statically charged, so they cling to the slit edges and become wound with the roll(s). This surface dust or ...

Winding: What We Know & What We Don't Kno

(Winding Unwinding Rewinding)

July 31, 2008, Winding is an amazingly complex process. Our understanding of winding can be broken into three areas: the winding process, winder design, and wound roll Winding is an amazingly complex process. Our understanding ...

Web Lines: Thinking About New Equipment?

(Web Handling)

January 31, 2008, ... web handling in the same order I cover the web handling process fundamentals in classes: web properties, tension control, rollers and traction, guiding, wrinkling/anti-wrinkling, winding and unwinding. ...

Picking Up the Pace

(Web Handling)

December 31, 2007, ... operator contact with the web or reduces the size of the rolls coming off the press. For example, Parkinson recently developed a new winder design for the contractor and consumer roll market that produces ...

New Publication on Winding Machines

(Archive)

August 22, 2007, DEStech Publications, along with TAPPI Press, announces the publication of "Winding Machines: Mechanics and Measurement," a guide to how winding machines work and how wound rolls are formed. PRESS RELEASE ...

Baggy Webs: Part III-Causes

(Magazine)

June 30, 2007, ... is uneven, if foil rolling and decurling processes are uneven, then the sheet quality of the web just prior to winding may be so bad that nominal tension won’t pull the web flat. But in a vast majority ...

Baggy Webs: Part I Nightmares

(Archive)

March 31, 2007, ... cut an ideal web, it will form into rolls, slit strands, or sheets that are identical and will delight customers. Ideal webs often are seen in elevation drawings of web lines, represented as perfectly ...

the PLACE

(Magazine)

February 28, 2007, ... in statistical control but not able to meet specifications as a result of excess common cause variation. Short time machine direction (STMD) variation cannot be controlled by an on-line gauging system ...

WHAT'S NE

(Magazine)

January 31, 2007, ...  Two-sided coater is designed to apply an overall coat of temperature-controlled fluid to two sides of the web simultaneously. Enclosed reverse-angle doctor blade systems are used for precise fluid application ...

Twist & Shout

(Web Lines)

December 31, 2006, ... ensuring all rollers are cylindrical and parallel to a tight tolerance. The two most common exceptions to our uniform tension plan are twists and bends. If a web twists or bends too much, it will “feel” ...

The Laser's Edg

(Magazine)

July 31, 2006, ... are without the burn-throughs or pinholes that indicate poorly shaped and inadequately controlled laser beams. Many converters also use contract-manufacturing services offered by reputable laser-cutting ...

New Products, Part 1

(Magazine)

May 30, 2006, ... nonfood packaging applications. Readily removes organic and inorganic compounds in the presence of water. Anilox Rolls are Long Lasting Apex Europe, Hapert, The Netherlands; +31 (0) 497 36 11 11; ...