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PFFC Pilot/Lab/Technical Facilities Directory

(Magazine)

November 30, 2007, ... range of thicknesses: 1200 micron; dryer type: single-side impingement, IR; 2 zones; dryer capacity: 12 ft; solvents: water, flammable, organic Coating Techniques | gravure, reverse roll, rod, slot die ...

In Search of Tension Isolation

(Magazine)

September 30, 2007, In web handling, one of the myths told most frequently is that of the independent tension zone, protected from other tension zones by the protective powers of the tension isolation. Like most myths, we ...

Cause & Defect

(Magazine)

April 30, 2007, ...  Temperatures Vibration levels Dryer In all zones Web temperature Dry bulb, web bulb, or dew point Supply Return Air Flow Supply Return Slot velocity ...

Converter Clips

(Magazine)

March 31, 2007, ... system for Chemsultants Intl., Mentor, OH. The project involves dryers for two coating lines: One is a 30-in. dryer with three zones, and the second is a 10-in., single-zone dryer. The dryer modules, ...

Shrink Film Folding

(Archive)

December 27, 2006, ... packaging of CDs, greeting cards, foodstuffs, and more. Features include rewind tension control profiling, shaftless unwind, multiple tension zones, air-lubricated A-frame, center surface winding, shaftless ...

LABELEXPO new product digest

(Magazine)

August 31, 2006, ... to apply coatings or PSAs in zones (stripes) down the web. Applications for this configuration include labels, adhesive edge tags, and tapes with uncoated edges. Visit booth 2036. PFFC-ASAP 462 Track ...

A Bunch of Hot Air

(Magazine)

April 29, 2006, ... of design options. So what causes most of the headaches that we in the web process industries suffer? Four problems: the wrong heating system, lousy instrumentation, not enough zones, and pushing the dryer ...

18 Ways to Cut Coating Costs

(Magazine)

June 29, 2005, ... the oven zones to speed up the drying rate. #7 If you shut down the coater after each coated roll to put up a new one, consider installing a dual unwind and rewind to allow continuous operation.  ...

You're Too Tense

(Magazine)

May 30, 2005, ...  machines are just poorly built. You can put the world's best tension control system on a line, but if it's got a very poor brake, your tension will be no better than what it was." Which zones in the proces ...

New Products, Part 2

(Magazine)

May 30, 2005, ... nirecoamerica.com Digital infeed press tension control system utilizes a 32-bit DSP microprocessor motion controller and is designed to control web tension at intermediate zones automatically and precisely. ...

Drawing Conclusions: Part II

(Magazine)

May 30, 2005, ... still isn’t enough information to know the draw zone web strain. How are draw zones time-dependent? The draw zone’s time constant is equal to the web length between the first and last draw-controlled ...

Drawing Conclusions: Part 1

(Magazine)

April 29, 2005, ... is the anticipated steady strain in the draw zone. That was a qualified "yes." I chose my words carefully. To truly know draw zone strain, we need even more information. Why? Because draw zones have ...

New Product Digest, Part 2

(Magazine)

March 30, 2005, ... ensure flexibility and allow the conversion of even the most delicate work. Featuring 12 independent heating zones, the machine features the Job Saver system for positioning foiling dies. This is said ...

Ipex 2006 Adds 6000 sqm to Broaden Reach

(Archive)

January 09, 2005, ... "Hall 20 will provide visitors with an exciting mix of product developments and market intelligence through the cutting-edge technology on show. Bespoke zones focusing on areas such as MIS, large format ...

Web Tension 101

(Magazine)

November 29, 2004, ... to occur. Where Is Tension Control Important? Most converting applications include three types of tension zones—unwind, internal, and rewind. Each zone must be controlled independently. Multiple zones ...

The Harms of Harmony

(Magazine)

November 29, 2004, ... Now drive and idler rollers both are suspects. Initially, look at the local tension zone, but also look at the immediate upstream tension zones. Don’t be fooled into thinking a high-friction drive roller ...

Mechanics of Tension Control, Part II

(Archive)

November 29, 2004, ... an air regulator adjusting the air pressure and therefore the torque output of an air brake or clutch. This control method can be used in all three tension zones. Obviously, it is the least accurate of ...

High & Low

(Magazine)

March 30, 2004, ... by Winpak. It was upgraded first three years ago with new drives, tension controllers, and five sets of load cells (transducers) that controlled five tension zones. Unfortunately, the upgraded laminating ...

Exopack Introduces Easy Open Feature for Small SOS Bags

(News | New Products)

November 04, 2003, ... the card back onto the adhesive patch on the bag. Label-free zones, at both sides of the seal, allow for the positive identification of tamper." SOS bags are found in many consumer markets, and Exopack ...

Products

(Magazine)

August 31, 2003, ... Product or process changes can be made electronically. Teach-in functionality, programmable safety zones, and integrated programmable limit switches make machine operation easy and reliable, co. adds. ...