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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Cable jetting ： ウィキペディア英語版 Cable jetting Cable jetting is a technique to install cables in ducts.〔http://web.archive.org/web/20070927181020/http://www.plumettaz.ch/en/products/optical_fiber/jetting_explanation.asp〕 It is commonly used to install cables with optical fibers in underground polyethylene ducts and is an alternative to ''pulling''. ==Pulling== Traditionally fibre optic cables were pulled through cable ducts in the same way as other cables, via a winch line. Every time a bend or undulation in the duct is passed the pulling force is multiplied by a friction dependent factor (which can be reduced by using lubricant〔(Cable Pulling Lubricants ) polywater.com 〕). This means that the higher the local pulling force is, the higher the friction will be which the cable is experiencing while being pulled against the internal duct wall. This "capstan effect" 〔(Mechanics of Friction in Rope Rescue ) jree.org〕 〔(Power Transmission Components )〕 leads to an exponential force build-up with pull distance, producing generally high pulling forces. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cable jetting」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.