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The compensation device for continuous stretching of a film during stretching applicable in Packaging Machines
The compensation device for continuous stretching of a film during stretching applicable in Packaging Machines
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机译：适用于包装机的在拉伸过程中连续拉伸薄膜的补偿装置
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摘要
A compensation device applicable in Packaging Machines (10) of intermittent Motion with a wrapping material formed by a film made of a flexible plastic material (15)Compensation continues to stretch the film during stretching of the same, The Machine (10) comprising a First Group (11) stretching of the filmA Mobile Element capable of exercising a particular Strength in the film during the advance,The Mobile element that is conventionally known as an oscillating Bar (12) (13) and the second group of Tensioning of the film (15) arranged downstream of the first group of Tensioning (11),Where each group (11, 13) Frame is provided with a Sensor to detect markers (14) located at regular intervals throughout the film (15),Wherein comprises a third group Frame (16) located between the first and second groups of Tensioning (11, 13),The third group Frame is provided with a sensor Net,The third group (16) is provided with a Tensioning motor Independent Drive System and an automatic Roller.
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