Study of Web Wrinkling Due to Roller Curvature
Abstract
This study was conducted to provide insight as to the effect of lateral forces due to roller curvature on webs. As a web travels over a curved axis roller steering effects and lateral forces are imparted to the web. The degree as to which these are present may cause a wrinkle in the web to form. Objectives of this research were to design and build an experimental setup to facilitate examination of Shelton's theoretical buckling model. A deflecting roller was constructed and the deflection profile mathematically modeled. This apparatus was used to test polyester films having a roll width of 6 inches with varying thickness .
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