| 摘要 |
PURPOSE:To prevent the winding of a yarn defect part in a cheese and eliminate the need of rewinding, by providing a yarn defect sensor and a yarn cutter in each spindle of a spinning machine, stopping a spun yarn when the sensor senses the yarn defect and stopping the feed of a sliver to a yarn forming part. CONSTITUTION:A yarn cutter 9 and a yarn defect sensor 10 are provided in a spinning machine having a drafting part consisting of rolls 1, 2 and 3, yarn forming part consisting of conveyor bands 4, pneumatic device 5 and false twisting nozzle 6, delivery rolls 7 and cheese winding part. When the sensor 10 senses the presence of a yarn defect in a spun yarn, the cutter 9 is operated to cut the spun yarn. The pneumatic device 5 is operated almost simultaneously therewith to stuck the spun yarn. The feed of a sliver to the drafting part is then sopped. |
