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- Unwinding Static
- (Static-Beat)
- August 21, 2011, ... The outside film surface is nearly neutral, so static will reside on the inside film surface. As the charged film approaches the first conveyance roller, a static discharge called pre-nip ionization will ...
- Best Papers Named At IWEB Conference
- (Web Handling)
- July 31, 2011, ... Kevin Cole, Optimation Technology, for “Measurement and Modeling of 2-D and 3-D Web Feed Rates in Rubber-Covered Nip Roller Applications” WHRC | www.webhandling.okstate.edu Emral Ltd. | www.emral.co.uk ...
- Slit Many Substrates
- (Slit)
- May 31, 2011, ... film, foil, and laminates, it is available in widths from 1,000-1,800 mm. Vacuum roller for tension isolation point means no nip rollers or S-wraps. Ashe America | 802-254-0200 | www.ashe.co.uk ...
- Static Beat: Off-Line Charging Measurements
- (Static Elimination)
- March 31, 2011, ... for measuring triboelectric charging performance. If you know of such standards, I invite you to send me an e-mail! Of the many “practical” tests for static charging, one of the best is the “nip roller” ...
- Show Preview - Forecast for Orlando: ICE
- (Trends/Management)
- January 31, 2011, ... Blaige, Blaige & Co. Wednesday, April 6 10:00-10:30 a.m. Are New High Technology Coating Methods Better than the Old Reliable?: Edward Cohen, Edward D. Cohen Consulting Inc. Conveyance Roller Nip ...
- Green Converting: Recycled Roll Coverings
- (Web Handling)
- November 30, 2010, ... large winding or nip rolls require 700 lb of rubber. That covering is then discarded in a landfill. Now as much as 100% of that material can be saved by removing it carefully, testing it for foreign contaminants ...
- Reflections on Deflection
- (Winding Unwinding Rewinding)
- November 30, 2010, ... nip rollers or support arms can alleviate the woes of deflection. A shaft will have less deflection when winding a full width product. In these cases, the shaft often will be reinforced by the pressure ...
- Web Lines: Q&A on Roller Deflection
- (Web Handling)
- October 31, 2010, ... away from the supported end. A roller supported from both ends will have maximum deflection at the center of the roller. What causes roller deflection? Gravity, tension, nip loads, and intentional ...
- Web Lines: Web Length per Roller Revolution=?
- (Editorial)
- September 30, 2010, ... only to 99%. If you want to accurately estimate the feed rate, you need to consider other factors, including the effects of web thickness, web tension, nipping compression, and rubber covering elongations. ...
- Static Beat: Prevent Winter Static
- (Static Elimination)
- September 30, 2010, ... to the manufacturer's recommendations. The rubber or polymer coverings on drive, nip, cleaning, spreader, and lay-on rollers often are sources of sparks because static can accumulate on the surfaces ...
- How To Use an Electrostatic Voltmeter
- (Static-Beat)
- April 30, 2010, ... An aluminum hard-coated nip roller holds the film firmly against the polymer-covered roller. Nip rollers are common at the exit of the dryer in coating operations and just prior to the chopper in sheeters. ...
- AIMCAL & CEMA To Host AWEB Applied Web Handling Conference
- (News | New Products)
- April 13, 2010, ... Dr. David Roisum • Controlling Static in Winding Rolls, Dr. Kelly Robinson • Measurement & Modeling of Nip Roller Feed Rates: Dr. Kevin Cole • Curl in the Lab & on the Machine: Dilwyn Jones • Strain ...
- Web Guiding | Lateral Motion Causes
- (Web Lines)
- March 31, 2010, ... costs. Lateral Errors in Web Transport | The five big causes that shift the web are misalignment, diameter variations, web camber/bagginess, uneven nipping, and interaction of the web to air or fluid ...
- What Is the Right Tension?
- (Web Lines)
- November 30, 2009, ... Go lower or higher tension to match strains at laminating. Look out for processes like nipping or coating that can put extreme stresses or drags on your web. For laminate webs comprised of many layers, ...
- Get a Grip on Your Web
- (Tension)
- October 31, 2009, ... in nip rollers or “S” wraps. Vacuum rollers are designed to pull the web into intimate contact with the roll, preventing web slippage in either direction. The result is a highly effective web control ...
- Roller Coverings: Built 'TPU' Toug
- (Bag Pouch Main)
- September 30, 2009, ... PPC installed Menges's Tiger Max TPU-coated nip rollers on one of its blown film systems. Since then, the bag machine nip roller and winder nip rollers also have been replaced with Menges's Tiger Max TPU ...
- How To Prevent Winter Static
- (Static Elimination)
- August 31, 2009, ... surface. Maintain these rollers according to the manufacturer's recommendations. The rubber or polymer coverings on drive, nip, cleaning, spreader, and lay-on rollers often are static dissipative. Electrical ...
- Eliminate Ooze Build Up
- (News Eclips)
- August 04, 2009, ... edge of the paper that provides clean running on the press. No more shutting down to clean the vacuum box, nips, and rollers. Press maintenance and downtime will decrease, efficiency will increase, and ...
- Playing the Wrinkle Blame Game
- (Web Lines)
- June 30, 2009, ... changes over time, relaxing or shrinking, then buckles may form in the roll. If the process conditions form a wrinkle during roll starts, if the winding nip loses contact, if the tension is upset, if taper ...
- AIMCAL To Broadcast Free Webinar on Static
- (News | New Products)
- June 08, 2009, ... Machine maintenance, such as cleaning rollers and replacing bearings or belts. Process adjustments including lowering tensions and nip roller engagement pressures. Working with your supplier to reduce ...