ROTOR SPINNING MACHINE AND METHOD FOR OPERATING A ROTOR SPINNING MACHINE
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Oct 20, 2023
filing date -
Nov 14, 2022
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status (Latency Note)
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Abstract
The invention relates to a rotor spinning machine and to a method for operating a rotor spinning machine with a control device, an open-end rotor spinning device and a supply unit feeding at least two fiber slivers into the open-end rotor spinning device, which supply unit has an opening roller for opening fiber slivers and a feed apparatus with a first and a second feed roller, which can be operated independently of one another by means of the control device, for a first fiber sliver and a second fiber sliver. In order to provide a rotor spinning machine as well as a method for operating a rotor spinning machine, which enables easy setting of the drafting speeds of the supply unit having at least two feed rollers, it is provided that the control device determines an individual drafting speed of one feed roller for producing a yarn with predetermined yarn properties from a single fiber sliver fed by means of the first feed roller, and coordinates a first drafting speed of the first feed roller and a second drafting speed of the second feed roller with one another in such a way that the sum of the first and second drafting speeds corresponds to the individual drafting speed.
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