Open End Spinning
Open end spinning is a process used to create yarn from fibers. It is an alternative to the more traditional ring spinning method, which produces a finer, smoother yarn. Open end spinning is commonly used for producing coarser yarns that are used in applications such as denim, towels, and blankets.
The open end spinning process uses a rotor or a spinning drum to create the yarn. The rotor is a cylindrical spinning element that is placed inside a housing. The fibers are fed into the housing and drawn through the rotor, which twists them together to form the yarn. The yarn is then wound onto bobbins or cones for further processing.
One of the advantages of open end spinning is its speed. The process is much faster than ring spinning, which makes it a more efficient method for producing large quantities of yarn. It is also more energy-efficient, as it requires less power to operate the rotor than it does to drive the spinning ring in ring spinning.
Another advantage of open end spinning is its versatility. It can be used with a wide range of fibers, including cotton, wool, and synthetic fibers. It can also produce a variety of different yarn sizes and qualities, depending on the type of fiber and the settings of the spinning machine.
Open end spinning is used in a variety of textile applications, including denim, towels, blankets, and other types of apparel and home textiles. Some of the top users and manufacturers of open end spinning equipment include Rieter, Tr?tzschler, Murata Machinery, and Marzoli. These companies are known for their innovative open end spinning machines that are designed to produce high-quality yarns with maximum efficiency.
Rieter is a Swiss-based company that specializes in textile machinery and systems. They offer a range of open end spinning machines, including the G 37 and G 38 models, which are designed for high productivity and flexibility. The G 37 is a compact machine that can produce up to 250 kg of yarn per hour, while the G 38 is a larger machine that can produce up to 500 kg of yarn per hour.
Tr?tzschler is a German company that specializes in spinning and carding equipment for the textile industry. Their open end spinning machines, such as the Autocoro 9 and the Autocoro 8, are known for their high productivity, reliability, and energy efficiency. The Autocoro 9 is capable of producing up to 400 kg of yarn per hour, while the Autocoro 8 can produce up to 300 kg of yarn per hour.
Murata Machinery is a Japanese company that specializes in textile machinery and automation systems. They offer a range of open end spinning machines, including the Vortex 870 and the Vortex 861, which are designed for high productivity and quality. The Vortex 870 is capable of producing up to 300 kg of yarn per hour, while the Vortex 861 can produce up to 250 kg of yarn per hour.
Marzoli is an Italian company that specializes in spinning and winding equipment for the textile industry. Their open end spinning machines, such as the MDS 3 and the MDS 1, are designed for high productivity and flexibility. The MDS 3 is capable of producing up to 320 kg of yarn per hour, while the MDS 1 can produce up to 120 kg of yarn per hour.
In conclusion, open end spinning is a versatile and efficient method for producing yarn from fibers. It is commonly used in textile applications such as denim, towels, and blankets. Some of the top users and manufacturers of open end spinning equipment include Rieter, Tr?tzschler, Murata Machinery, and Marzoli, all of whom offer innovative machines that are designed to produce high-quality yarns with maximum efficiency
Open-End Spinning
A Spinning System In Which Sliver Feedstock Is Highly Drafted, Ideally To Individual Fibre State, And Thus Creates An Open End Or Break In The Fibre Flow. The Fibres Are Subsequently Assembled On The End Of A Rotating Yarn And Twisted In. Various Techniques Are Available For Collecting And Twisting The Fibres Into A Yarn, The Most Noteworthy Being Rotor Spinning And Friction Spinning.
Open End Spinning
System of spinning based on putting twist into the yarn without turning the bobbin. This is done by rotating the yarn end at a gap or break in the flow of fibers between the delivery system and the yarn take-up (bobbin). Open end spinning is usually not as smooth and soft as ring spinning.
Open end Spinning
A spinning system in which sliver feedstock is highly drafted and thus creates an open end or break in the fibre flow. The fibres are subsequently assembled on the end of a rotating yarn and twisted in. Techniques for collecting and twisting the fibres into a yarn include rotor spinning and frictionspinning.
Open-End Spinning
The production of spun yarns by a process in which the sliver (q.v.) or roving (q.v.) is opened or separated into its individual fibres or tufts and is subsequently reassembled in the spinning element into a yarn. (See also spinning).
Open end
A high speed yarn spinning process that creates yarn by transferring twist from previously formed yarn to fiber or sliver continuously fed into the spinning machine. The twisting may be done by mechanical methods, rotors or air jets.
Open End Spinning
The production of spun yarns by a process in which the sliver (q.v.) or roving (q.v.) is opened or separated into its individual fibres or tufts and is subsequently reassembled in the spinning element into a yarn.