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What's New Product

(New Products)

November 30, 2008, ... wet lamination process. Adhesive is solvent-free and has excellent press stability with no drying on the plate or rollers during stoppages or makeready. DSI Group | 860-413-9510 | www.dsi-grp.com PFFC-ASAP ...

Who's Driving This Nip

(Web Lines)

November 30, 2008, What is the best way to drive a set of nipped rollers? Two rollers and two drive options (driven or not) lead to four options. To make this discussion What is the best way to drive a set of nipped rollers? ...

Shifty Answers to Nip-Induced Tracking

(Web Lines)

October 31, 2008, Nipping rollers are used in many value-adding processes in web converting roll coating, laminating, embossing, calendering, high-speed winding, and more. Nipping rollers are used in many value-adding processes ...

What's New Product

(Magazine)

September 30, 2008, ... Key components include the 8100 Power Module and the 8200 Manager Master Controller, said to provide excellent flexibility for control and monitoring. A single 8200 Manager can be used to monitor and control ...

Dyne Levels Part 2

(Process Management)

June 30, 2008, ... state. Ozone is generated during the process. It consists of a high-voltage electrical discharge across a fixed air gap between an electrode and a dielectric, usually a roller for web treatment applications. ...

A Recipe for Scratching

(Web Handling)

April 30, 2008, ... are five prerequisites to create a scratch or abrasive wear. All five are required to create the scratch. Let's review them. Contact The web must be touching something — roller, any nonmoving equipment, ...

Roll Winding Dynamics

(Web Handling)

January 31, 2008, ... bad enough, but in reality there are many more. For instance, the non-porous nature of films allows for easy entrapment of air between wrap layers and between web and rollers. The seemingly smooth nature ...

Get a Grip: Driving Your Web

(Archive)

December 31, 2007, In my October 2007 column, In Search of Tension Isolation, I myth-busted the belief that a high traction driven roller can completely isolate one tension In my October 2007 column, “In Search of Tension ...

Differential Winding Limits: Part II

(Magazine)

November 30, 2007, ... to lock onto hard plastic or metal cores. Differential winding after a well-wrapped surface drum or several idler rollers will have limited ability to pull out anything, but they have the most extreme ...

Differential Winding Limits: Part I

(Web Lines)

October 31, 2007, ... material density, and roll width, you probably don’t have this important capability. Two last factors that add to torque are nips and inertias. If you use a winding nip roller to prevent air lubrication ...

In Search of Tension Isolation

(Magazine)

September 30, 2007, ... “isolating” driven roller is greater than the tension differential between the two zones. I totally agree with the goal that each pull roller should have traction greater than the anticipated tension ...

Booth Listings & Product Highlights

(Magazine)

March 31, 2007, ... div. of American Roller Co.; Booth 949 Plastics Hotline; Booth 2403 Plastisoft Corp.; Booth 2613 Polymag Tek; Booth 751; www.polymagtek.com. See ad on pCMM18. Polytype America Corp.; Booth 3019; ...

Adding Up Additives

(Tech Reports)

December 31, 2006, ... in such problems as wet blocking and perhaps poor lamination, printing, and sealing. Overdosing also can cause organic additives to deposit rapidly on rollers, cutting knives, and other equipment surfaces. ...

How to Drive a Winding Roll

(Web Lines)

November 30, 2006, ... improved by using a close-proximity gap roller or a nip roller controlling the web’s entry into winding. In pure surface winding, the core is idling. All the work to drive the roll is applied to the ...

Web Tension: A Pop Quiz

(Web Lines)

September 30, 2006, ... sensing roller in your process, congratulations, give yourself 5 points. However, if you control your process with torque from a brake or clutch, if you control tension with a dancer roller, if you control ...

LabelExpo

(Magazine)

July 31, 2006, ... A-Korn Roller; #6508 Alden & Ott Printing Inks-Flexo Alliance; #5721 All Printing Resources; #6022 Allen Datagraph; #5800 Allison Systems Corp.; #5001; www.allisonblades.com Alpha Innovation; ...

If Not Rough, How About Groovy?

(Magazine)

February 27, 2006, ... air or liquid lubrication. But is rough the best solution? Creating a rougher roller surface from machining or bead blasting is effective and inexpensive, but rough surfaces do have drawbacks. Rough ...

A Communication from the PLACE Div. of TAPPI

(Magazine)

January 30, 2006, ... Hydroxyl comes from the activation of water that the combustion process creates. Besides cooling drum and exhauster the flame treating unit consists of an air/gas controller and special burners. The controller ...

New Products

(Magazine)

November 29, 2005, ... print and anilox rollers. System for cantilevered roll change from the side of the machine features a hydraulic platform lifting the reel into place without the need for inserting a shaft manually. Options ...

To Serve & Protect

(Magazine)

October 30, 2005, ... is formed. Avoid high shear so you can achieve maximum stability. Use only recommended application techniques: reverse gravure, smooth roll Mayer rod, fountain-less gravure with smoothing rollers, or ...