3803 光学フィルムの高速搬送を目的としたマイクログルーブローラの最適化(S59-1 柔軟媒体ハンドリングと画像形成システム(1),21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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In the manufacturing fields of optical films, the web handling systems are supported by guides and rollers. In such systems, the moving web brings the surrounding air into the gap between web and roller or web and guide, and then the web is lifted slightly by the film pressure generated due to viscosity of entrained air and consequently it becomes the reason of slippage. Tb protect the slippage, a micro-grooved roller is used in the manufacturing fields. However, the dimension and shape of micro groove has been decided experimentally. This paper describes theoretical model for the prediction of slippage onset condition between optical films and micro-grooved roller. Theoretical model is formulated, and predicted results by the model are compared with the experimental results. Moreover, the dimensional of micro-groove is optimized for preventing the slippage.
2008-08-02