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30s
Longtai
What is OE yarn
Open-end (OE) spun yarn is produced using a rotor or open-end spinning technique, which is much faster than ring spinning—up to 10 times faster per spindle. From a cost perspective, it eliminates the need for the roving process and an additional winding step. The yarn is ready for use straight from the machine. Nowadays, the process is highly automated, with automatic piecing (restarting broken ends) and doffing (removing complete packages).
Rotor spinning may initially appear complicated. In this method, a sliver (a bundle of fibers) is fed into a small machine called an opening roll, which separates and organizes the fibers. These separated fibers are then drawn into a spinning rotor cup that is constantly rotating. Inside, they join with an existing yarn end, which is why it is referred to as open-end spinning. The yarn is then continuously pulled out, ensuring a continuous process.