1204 ウェブ搬送時のしわ発生予測モデル : 第3報,ウェブ損傷図(要旨講演,柔軟媒体ハンドリング/画像形成機器)

概要

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In the transportation system for continuous flexible materials such as paper, plastic film, metal foil, textile, most webs are very thin and consequently easy to buckle or wrinkle. Especially, in the case of paper-web, the creation of wrinkles is more often as compared with the case of plastic film or metal foil. The web wrinkling affects significantly the product quality and sometimes it leads to less profitability in the manufacturing operation. The paper-web wrinkles treated in this paper are caused by the roller misalignment and traction characteristics between web and roller in the transportation systems. The prediction model of paper-web wrinkles is formulated and some numerical calculation results are shown with experimental verifications for coated and uncoated paper-webs. Moreover, the idea of "web defect map" is presented for designing and safety operating the web transportation system.
2005-03-21