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Web to roller traction is important.

Your web is not in traction with rollers when air entrainment causes your web to "float" over idler rollers. Generally, this problem shows itself in high speed applications where nonporous webs (most films for example) are processed.

Roughening the surface of rollers will help to keep webs in traction. A roughened surface helps the air to escape from between the webs surface and the rollers face. Plasma coating helps to roughen surfaces and can be a high traction coating further helping with web traction. Simply machining a light knurl or groove in the rollers surface will eliminate most air entrainment problems. Rubber covering rollers with a rough grind to the rubber surface will help to keep your web in traction.

Keep in mind, no matter how you get there; it is very important to keep webs in traction with rollers in almost any converting operation.



Written By: Jeffrey Damour, Sales Manager, Converter Accessory Corporation, Wind Gap, PA, Phone - 800-433-2413




**DISCLAIMER - A great deal of time has been invested in the development of our weekly tech tips. To the best of our knowledge, they are accurate. It is up to the user to verify all results.

THE AUTHOR ASSUMES NO LIABILITY CONNECTED WITH THE USE OF THIS INFORMATION OR THE RESULTS OBTAINED FROM IT.



Converter Accessory Corporation
201 Alpha Road
P.O. Box 188
Wind Gap PA 18091-0188

Phone (800) 433-2413 or (610) 863-6008
Fax (800) 709-1007 or (610) 863-7818

sales@converteraccessory.com

www.converteraccessory.com


      
What is Web Handling?
Web Handling is the science, engineering and equipment necessary to successfully transport a continuous flexible material through various processes without defect. Enhancing Web Handling with proper equipment will ensure materials are processed at their maximum efficiency, allowing the process to generate maximum profits.

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