This allows for piecing, and a continuous conversion of sliver to. Synthetic staple fibers such as polyester alone cannot be effectively open end spun due to a dusting of oligomer from the fibers that interfere with the. A method of open end spinning which uses the external surface of two rotating rollers to collect and twist individual fibres into a yarn is known as friction spinning. The purpose of this bulletin is to explain and describe how openend yarns are spun. Effect of cotton fiber fineness and strength on mechanical. Open end spinning jobs, 16854 open end spinning openings.
If you could open the door and pull out a sheet, it would spin together as you pulled it out. Open end a venda pela texfield texconsult duration. Openend spinning operates at a rate up to five times that of ring spinning and can be effectively used for cotton, polyestercotton blends, as well as other short and medium staple systems. An openend method of spinning using a device comprising a supply device, a disintegrating means, a rotor, an outlet end member, a supply device and a winding device, characterized in that means are provided for giving the fibre deposition zone 11 a speed equal to that of the fibre formation zone and in that the zones are actuated so that the fibres 10 coming from the disintegrator. End breakage study on oe spinning was conducted on 20 rotors and for 80 spindle hours. A spinner cleans the spin box, the part containing the rotor. In considering attempts to spin at higher speeds, it should be noted that there are. It offers the fastest means of industrial production of staple fibre yarns. An open end spinning tenter is responsible for carrying out tenting activities. Openend spinning the problem of fiber opening and yam formation.
It was invented and developed in czechoslovakia in vyzkumny ustav bavlnarsky cotton research institute in usti nad orlici in 1963. The openend spinning was developed primarily to improve the spinning speed 55. The yarn withdrawal nozzle has a curved contact surface for deflecting a yarn to be withdrawn and simultaneously rotating the yarn in a cranklike manner, which. Open end spinning requires fewer steps than ring spinning, because roving is not needed, and a full. It is a process in which the input material to the spinning system is highly drafted, ideally to the individual fiber state. Apply to 16854 open end spinning jobs on, indias no. Rotor spinning, also known as open end spinning, was developed in the 1970s and early 1980s. Sliver from the card goes into the rotor, is spun into yarn and comes out, wrapped up on a bobbin, all ready to go to the next step. The yarn formation in this spinning frame was based on the open end oe method with the product continuity being broken during the yarn formation. We specialize in replacement parts for schlafhorst autocoro and rieter openend machines. Saurer launches the 3rd generation of revolutionary autocoro singlespindle technology. Vortex spinning system and vortex yarn structure intechopen. For short staple spinning, most rotors are 31 to 56 millimeters in diameter and may contain a shallow u or v shaped fiber alignment groove around their periphery.
At least one of the rollers is perforated so that air can be drawn through its surface to facilitate fibre collection. Fiber fineness was more important in openend than in ring spinning, because fiber paral lelization is poor in openend yarns. Pegu 24 sushant kumar 25 we use your linkedin profile and activity data to personalize ads and to show you more relevant ads. It is also known as break spinning or rotor spinning. Grey relational analysis to determine the optimum process parameters for open end spinning yarns hossein hasani, somayeh akhavan tabatabaei, ghafour amiri isfahan university of technology, isfahan iran correspondence to. Jun 27, 2018 textile school incorporates knowledge associated to textiles right from fibers to its end usage including textile processes, tradeoffs, knowhow and textile standards. Parts for open end spinning parts parts for open end spinning.
Since 1985, oe products has been selling replacement parts for openend spinning machines. In this method, the sliver is completely separated into individual fibers in an opening roll and contaminates are. Openend or carded or break or rotor spinning textile school. Open end spinning or openend spinning is a technology for creating yarn without using a spindle. The rate of end breakage and the proportion of different types of breakages vary with different process variables like yarn count, rotor speed, opening roller. The selftwist spinning method is another of these newer technologies designed to improve productivity in spinning. The fibre and yarn properties were determined by methods recommended by the american society for. Read about company and get contact details and address. Angelova, in advances in yarn spinning technology, 2010. Open end spinning operates at a rate up to five times that of ring spinning and can be effectively used for cotton, polyestercotton blends, as well as other short and medium staple systems.
Blends of a coarse and fine and a high and lowstrength cotton were varied to determine their effect on open end spinning and yarn properties. This is followed by a discussion of the problems of fiber opening and yarn formation. A spinning system in which sliver feed stock is highly drafted, ideally to individual fibre state, and thus creates an open end or break in the fibre flow. Dec 20, 2016 gama recycle how it is made regenerated open end yarn spinning duration.
Us7051508b2 yarn withdrawal device for openend spinning. Grey relational analysis to determine the optimum process parameters for openend spinning yarns hossein hasani, somayeh akhavan tabatabaei, ghafour amiri isfahan university of technology, isfahan iran correspondence to. Gama recycle how it is made regenerated open end yarn spinning duration. Unprecedented productivity due to intelligent automation and digitalization. Open end spinning or open end spinning is a technology for creating yarn without using a spindle. Openend spinning requires fewer steps than ring spinning, because roving is not needed, and a full. Learning open end spinning process textile knowledge and. Open end spinning is an excellent shortterm blending process. For short staple spinning, most rotors are 31 to 56 millimeters in diameter and may contain a shallow u or v shaped fiber. Grey relational analysis to determine the optimum process. Spinning is the twisting together of drawn out strands of fibers to form yarn. Synthetic staple fibers such as polyester alone can not be effectively open end spun due to dusting of oligomer from the fibers that interferes with the. The basic principle of open end yarn formation a constant stream of separated, individual fibers is allowed to flow to a rotating yarn end. Different types of yarn spinning system openend spinning.
Openend spinning is a technology for creating yarn without using a spindle. Explore open end spinning openings in your desired locations now. The system spins yarn directly from slivers, using a spinning rotor and a withdrawal system that imparts false twist to form the fibers into a yarn. Open end prev next we started with oe spinning across striving forward with the inspiration of success and customer satisfaction, with the strength of over 4500 rotors and annual production of over 7000 mt of single yarn, count ranging from rayon 12s to 40s and polyester 3. Open end spinning mills association osma enrolled with more than 400 members in tamil nadu with 60% of total indias open end spinning rotor capacity. The presence of short fibers in the material fed does not seriously affect the efficiency of open end spinning and it may be that process will have a bright future in the spinning of waste.
The principal behind open end spinning is similar to that of a clothes dryer spinning full of sheets. Project report on open end spinning unit manufacturing. Open end spinning machine operator textiles committee. Open end spinning the heart of the open end process is a rotor see exhibit 3, wherein fibers can be collected and then drawn off as a yarn. Since the 1960s new spinning technologies have been developed, including open endrotor spinning, friction spinning, airjet spinning, hollow spindle and siro spinning discussed in other chapters in this book. This method of spinning will produce a satisfactory, usable yarn from cotton which would normally be considered far too short for ring spinning. This activity ensures minimum machine stoppage and maximum production in an open end spinning machine. Rotor spinning, also known as openend spinning, was developed in the 1970s and early 1980s. The yarn formation in this spinning frame was based on the openend oe method with the product continuity being broken during the yarn formation. Exlibrary, with usual stamps and markings, in poor condition.
Airjet spinning is the most promising spinning method at the beginning of the twentyfirst century. Openendrotor spinning an overview sciencedirect topics. It was invented and developed inczechoslovakia in vyzkumny ustav bavlnarsky cotton researching institute in usti nad orlici in the year 1963. Influence of nozzle type on yarn quality in openend rotor spinning. Whenever the final judgment on open end spinning may be, it is a process that is here to say. The process of making yarns from the textile fiber is called spinning. Rieter is the worlds leading supplier of systems for shortstaple fiber spinning. Fiber fineness was more important in open end than in ring spinning, because fiber paral lelization is poor in open end yarns. Rieter is the only supplier worldwide to cover spinning preparation processes as well as all four. The first industrial pneumatic spinning frame, called pf1, was manufactured at the beginning of the 1970s in poland in the wifama textile machinery factory. The invention refers to a spinning rotor of an openend spinning machine for spinning the yarn with high proportion of up to 100% flax fibres. The main feature that distinguishes the morphology of airjet spinning from the other uptodate technologies, is the use of swirling. Open end spinning is faster than ring spinning and friction spinning is faster than rotor spinning.
Srz tube, 2017 yr loepfe yarnmaster 1n1 clearers, informator, no waxing, t40 or t46 mm rotors, kn4 navel years. Sinha department of textile technology, indian institute of technology, delhi, india, department of textile technology, national institute of technology, jalandhar, india. Parts for open end spinning parts parts for open end. Machines in used spinning machines open end 8 schlafhorst autocoro aco240 se9 open end 192 rotors. In this process the fiber sliver is separated into single fibers and in which the separated fiber material is brought by an air stream to a collecting surface from which it is drawn off while being twisted. Spinning calculations conversion of weight units o 1kg 2. Blends of a coarse and fine and a high and lowstrength cotton were varied to determine their effect on openend spinning and yarn properties. The open end spinning was developed primarily to improve the spinning speed 55. An open end spinning tenter should be able to creel the sliver cans, piece the sliver on breakage, doff the cone cheese package and carry out cleaning and. A yarn withdrawal device for open end spinning arrangements has a yarn withdrawal nozzle and a balloonbreaking insert which extends the axial channel of the yarn withdrawal nozzle. Fiber strength was more important in ring spinning. In this function, 80 to 90 % of ends get automatically pieced up during starting of. Openend spinning the heart of the openend process is a rotor see exhibit 3, wherein fibers can be collected and then drawn off as a yarn. Considerable progress in openend spinning for coarse yarns is predicted.
Considerable progress in open end spinning for coarse yarns is predicted. The market leader develops and manufactures machinery, systems and components. A staple yarn may be defined as a continuous collection of fibers held. Textile school incorporates knowledge associated to textiles right from fibers to its end usage including textile processes, tradeoffs, knowhow and textile standards. Detailed analysis ofcarding quality and its influence on. Openend rotor spinning is another most commonly accepted unconventional shortstaple yarn spinning technology. The site is intended for all spectrum of users to learn and share the textile knowledge from a single platform. Rohlena and a great selection of related books, art and collectibles available now at. An open end method of spinning using a device comprising a supply device, a disintegrating means, a rotor, an outlet end member, a supply device and a winding device, characterized in that means are provided for giving the fibre deposition zone 11 a speed equal to that of the fibre formation zone and in that the zones are actuated so that the fibres 10 coming from the disintegrator. The fibres are subsequently assembled on the end of a rotating yarn and twisted. Wo1998045514a1 spinning rotor of an openend spinning. Over years of pin and pinned product manufacturing experience 2. Open end spinning spinning textiles textile arts scribd. Airjet spinning the rate of yarn production using this method is as high as ten times that of ring spinning and twice as fast as open end spinning.
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