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A FILM PRE-STRETCHER FOR AN AGRICULTURAL BALE WRAPPER
A FILM PRE-STRETCHER FOR AN AGRICULTURAL BALE WRAPPER
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机译:农用捆包机的薄膜预肥机
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摘要
A film pre-stretcher (7) for an agricultural bale wrapper where the stretch rollers (1, 2, 3) are connected with a transmission unit (8), which determinate the peripheral speed relationship between the rollers in such a way that the peripheral speed of roller situated downstream along the path of the film always is higher than the peripheral speed of the upstream roller and where the film when it is pulled through the pre-stretcher will be stretched in at least two from each other clearly separated pre-stretch zones in such a way that the pre-stretch in each separate stretch zone is kept below the yield point for the film in question.
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