Menetelmä kiristekalvokäärintäkoneen esikiristysasteen muuttamiseksi, kiristekalvokäärintäkoneen esikiristyslaite, kiristekalvokäärintäkone sekä esikiristyslaitteen vaihdelaatikko
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机译:改变拉伸膜包装机的预张紧度的方法,拉伸膜包装机的预张紧装置,拉伸膜包装机和预张紧装置的变速箱
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摘要
Various embodiments of the present disclosure provide a pre-stretching device for a stretch-film wrapping machine that enables quick and easy modification of the pre-stretch level. Specifically, in various embodiments, the two power transmission gears that control the rotation of the two pre-stretch rollers (and thus the pre-stretch level) are located outside of the housing of the pre-stretching device. This enables an operator to easily access those gears when the operator desires to swap those gears with a set having a different transmission ratio (and thus corresponding to a different pre-stretch level).
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