A method for preparing randomly cross-wound bobbin

申请公布号：IN192412(B)

申请号：IN1997CA35119

申请日期：1997.02.26

申请公布日期：2004.04.24

申请人：

W. SCHLAFHORST AG & CO.

发明人：HERMANNS FERDINAND JOSEF;KRUGER ANDREAS;FORCHE TORSTEN;TERORDE STEFAN;WEINGARTEN HEINRICH

分类号：B65H54/38;(IPC1-7):B6554/38

主分类号：B65H54/38

摘要：<p>A friction roller of a winding station of a winding machine is driven at a base angular velocity and is alternately accelerated and braked when the winding ratio is otherwise within a predetermined range of a selected whole number for causing slippage between the friction roller and a yarn package whereby the winding ratio is changed between values above and below the preselected range of the whole number. An evaluation device that calculates acceleration and braking values and a motor responsive to the evaluation device for driving the friction roller control the accelerating and decelerating of the friction roller when the winding ratio would otherwise be within the predetermined range of the selected whole number. Pattern windings of the yarn package are thus avoided.</p>

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