ABSTRACT Opening of the fibers is performed by an opening roller, in which sliver is fed from a single place, in standard rotor spinning machines. In our previous work, we have designed a system with two feed roller that can take advantage of dual-feed rotor spinning system and extract the cotton trash. In this study, a modified Laboratory RU11 rotor spinning unit of Rieter that was fed to two separate sliver were utilized. In the experiment, 2nd draw frame viscose sliver was used as raw materi.
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