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Optimization of Thin-Film Winding Conditions Considering Viscoelastic Property and Thickness Variation and its Experimental Verification

[+] Author Affiliations
Yuta Sunami, Hiromu Hashimoto

Tokai University, Hiratsuka, Japan

Paper No. ISPS-MIPE2018-8563, pp. V001T07A005; 3 pages
doi:10.1115/ISPS-MIPE2018-8563
From:
  • ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment
  • ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment
  • San Francisco, California, USA, August 29–30, 2018
  • Conference Sponsors: Information Storage and Processing Systems Division
  • ISBN: 978-0-7918-5193-7
  • Copyright © 2018 by ASME

abstract

Plastic films are produced using roll-to-roll systems, which allow the film to be wound into a roll and stored in a small space. Roll defects, however, can cause significant economic loss, and gage bands remain an open area of research. More recently, plastic films have become thinner, so we must now reconsider wrinkling and slippage, problems which depend on the in-roll stress condition. Therefore, predicting the stress condition is essential to preventing defects occurring in wound rolls. In addition, the in-roll stress will change over time as a result of viscoelastic properties. This study theoretically investigates and experimentally verifies winding condition optimization and in-roll stress in consideration of the viscoelastic property and web thickness profile at a constant rewinding tension. Results show that the predicted values are in agreement with the measured values.

Copyright © 2018 by ASME

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