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Cambered and Non-flat Polyethylene Webs Induced by Thickness Variation
(Oklahoma State University, 2007-05-01)
One of the most common web defects is web bagginess. Although it appears in most web materials, it is very difficult to categorize since its appearance changes from one case to the other; hence it has been given different ...
Development of wound-on-tension in webs wound into rolls
(2006-12)
Scope and Method of Study: The Wound-on-Tension (WOT) is the tension in the outermost layer of a winding roll. The WOT controls the stresses in the wound roll and hence, the defects that can arise due to these stresses. ...
Model Reference Adaptive Control of Web Guides
(Oklahoma State University, 2007-05-01)
The term web is used to describe materials which are typically manufactured in a roll-to-roll manner. A wide variety of materials such as textile, paper, plastics, composites and metals are manufactured in rolled form ...
Comparison of Active and Passive Dancers for Periodic Tension Disturbance Attenuation in Web Processing Lines
(Oklahoma State University, 2004-12-01)
This thesis compares the performance of passive and active dancers in a web process line in the presence of periodic tension disturbances. A sinusoidal disturbance, injected into the web line using an eccentric roller, is ...