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Method for the resumption of the spinning process on an air-jet spinning machine, and an air-jet spinning machine for performing the method
Method for the resumption of the spinning process on an air-jet spinning machine, and an air-jet spinning machine for performing the method
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机译:在喷气纺纱机上恢复纺纱过程的方法以及用于执行该方法的喷气纺纱机
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摘要
A method is provided for resumption of a yarn spinning process on an air-jet spinning machine wherein, after an interruption of yarn spinning has occurred, the yarn is guided back to a working path downstream of a spinning nozzle, or the yarn is stopped in a controlled manner in the working path, with an end of the yarn situated downstream of the spinning nozzle. The yarn end is introduced into an outlet opening of the spinning nozzle, and the yarn is transported in a reverse path with the aid of the spinning nozzle and a sliver feeding device to a guide channel upstream of the spinning nozzle. A spinning-in yarn end is formed on the yarn in the guide channel, and a yarn reserve is formed in an underpressure yarn storage device upstream of a yarn winding device. Winding of the yarn onto a bobbin is started before, simultaneously with, or after the formation of the spinning-in yarn end. Before the yarn reserve from the underpressure storage device is used up by the winding of the yarn, withdrawal of the yarn by a drawing-off device is started. Following the start of the yarn withdrawal, the yarn is clamped by the sliver feeding device and feeding of new fibers through a drafting device to the sliver feeding device is started.
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