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Turntable stretch wrapper : ウィキペディア英語版 | Turntable stretch wrapper Turntable stretch wrappers are a type of ''automatic'' and ''semi-automatic'' stretch wrapping system. A load is placed on a turntable, which rotates relative to the film roll, which is housed in a carriage attached to a vertical "mast" on which it may move up and down. In the simplest turntable systems, stretch is achieved by rotating the load at a speed in which the take-up demand on the load surface is faster than the rate at which the film is allowed to be fed, being limited by a brake system. More sophisticated systems also ''pre-stretch''〔(Crawford-Provincial: Stretch Wrap Terms )〕 the film before wrapping by means of fixed/variable gear ratios or other, even more sophisticated means, such as hydraulic ratios which can better take advantage of film "sweet spots", improving performance and film savings. ==References==
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「Turntable stretch wrapper」の詳細全文を読む
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