In this paper, experiments on preventing wrinkles by using concave rollers compared with cylindrical rollers are described. Wrinkle generation is examined using the following four test rollers: a cylindrical roller with a uniform axial diameter, a cylindrical roller with micro-grooves, a concave roller with a diameter that increases towards the two ends, and a concave roller with micro-grooves. Moreover, the relationship between the use of a concave roller and wrinkle generation is clarified by comparing all experimental results.
Experimental Study on Preventing Web Defects Under Transportation of High Performance Optical Films With Micro-Groove and Concave Rollers
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Hashimoto, H. "Experimental Study on Preventing Web Defects Under Transportation of High Performance Optical Films With Micro-Groove and Concave Rollers." Proceedings of the ASME/STLE 2011 International Joint Tribology Conference. ASME/STLE 2011 Joint Tribology Conference. Los Angeles, California, USA. October 24–26, 2011. pp. 127-129. ASME. https://doi.org/10.1115/IJTC2011-61065
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