A roving frame is used in the spinning process to produce roving, which is a loosely twisted strand of fiber that can be feed into a spinning machine to produce yarn. The roving frame is part of the spinning process and is used to further align and draft the fibers into a more uniform strand as preparation for the ring spinning machine.
The process starts with the roving creel, which holds the bobbins of roving. The roving is then fed into the machine, where it is drafted and twisted to create a more uniform strand. The strand is then wound onto a bobbin by al rotating wing (Flyer) which is giving the twist into the material. The speed and tension of the roving frame can be adjusted to produce different weights and qualities of roving.
The roving produced by the roving frame is then used as a feedstock for ring spinning machines, which further stretch and twist the fibers to create finished yarns. Roving frames are used primarily in the production of wool, cotton, and synthetic fibers.