Sheeps wool briefly discuss the differences between woolen, semiworsted and true worsted yarns. Below mentioned is how the manmade fibers manufacturing process. Even today, ring spinning makes the widest range of yarn counts with the highest strength. The grey is blue faced leicester from my spinning lesson. In this system, aerodynamic forces are used to laterally condense the drafted fibre ribbon after the main drafting zone. The selftwist spinning method is another of these newer technologies designed to improve productivity in spinning. Since worsted yarns, however, should be smooth, the fibers are made to lie as parallel as this process will permit. This process helps in obtaining a fuzzy surface on the yarn. Stock dyeing, top dyeing, and tow dyeing occur at various stages of manufacturing, prior to the fibers being spun into yarns.
In textile industry, the size of yarns is determined by unit of tex, count, worsted, woolen, and denier. On average, sirospun technology lowers the processing costs of spinning by 56 per cent. Ramella spinning frame for fiber mills and textile. A wide variety of worsted spinning machine options are available to you, such as spinning method, automatic, and type. This paper reports a method for producing high bulk polyethylene terephthalate pet filament yarns composed of shrink and nonshrink filament yarns. Normally, high bulk yarns are mainly made out of shrink and nonshrink staple fibers especially polyacrylonitrile through semiworsted spinning process. As a result, the spinning triangle becomes so small that it is almost eliminated. Yarn countsliver hank yarn count is the numerical expression of yarn, which defines its. Company silvania worsted spinning srl tax code 14077080. The siro spinning yarn process adapted some of the selftwist discoveries of csiro to the ring spinning technology of the cotton and worsted system, and combined spinning and doubling in. Jul 02, 2016 36 process control and yarn quality in spinning 2. The fibres are passed between rollers covered with fine wire teeth. Analysis on the spinning process and properties of tencel yarn. When spinning, the worsted technique is used, in which, the fiber is first drafted and then twisted using the thumb and forefinger to flatten the loose fibers.
If youre feeling particularly adventurous, knitcrochetweave up a sample of each. Spinning is the process of conversion of textile fibers and filaments into yarns for weaving or knitting into fabrics. Dec 08, 2015 semiworsted processing system the semiworsted system, developed in the first half of the 20th century mainly for synthetics and blends, essentially consists of carding, gilling and spinning, and, when spinning medium and fine yarns, also a roving process prior to spinning. The invention relates to a wool semi worsted spinning process, including fearnaughting, feeding by a fb001 automatic feeding bucket, carding by a fb201 carding machine, drawing by a a272 drawing machine, treating by a a456g fly frame machine, spinning by a a5w spinning machine, cheese winding by an automatic winding machine, twisting by a twisting machine, twoforone twisting by a twofor. The method described in this paper involves blending two pet. Worsted spinning any way you want zinser worsted yarn spinning systems by schlafhorst are globally acknowledged as topquality technological products. A wide variety of worsted spinning machine options are available to you. Sequence of process in worsted spinning free download as word doc. Cassell, 1899, by walter stowe bright mclaren page images at hathitrust spinning woollen and worsted. In winding department where the final package of yarn is make. Grading this process allows experienced wool sorters to select wool at the correct length colour micron fibre thickness for worsted wool spinning which requires only the best quality of wool. A similar process is used to manufacture fine quality worsted wool yarns. This was the beginning of my trip into the world of worsted spinning. The compact spinning concept illustrated in figs 9.
The process of making yarns from the textile fiber is called spinning. The spinning method used to manufacture the yarn affects properties such as uniformity and strength. If we notice, we will see that the cotton fiber s are converted into carded yarn, combed yarn and rotor yarn. Silvania worsted spinning srl romania tax code 14077080 is a company from cehei city, salaj county. Over the years, worsted wool has been a popular choice for men. Slubbings drafted against false twist on spinning frame or mule and real twist inserted to form a yarn. Introduction to spinning process online clothing study. Cn101012590a process for production of ultrafine wool. The carding process for worsted yarn production is intended to disentangle and lay them as parallel as possible. In industrial textile production several different spinning methods are used, however ring spinning is still the most versatile method for spinning a wide range of fiber types with varying staple lengths. Textile spinning process of cotton yarn textile learner.
Mar 23, 2019 spinning is the process of conversion of textile fibers and filaments into yarns for weaving or knitting into fabrics. Request pdf predicting worsted spinning performance with an artificial neural network model for a given fiber spun to a predetermined yarn specification, the spinning performance of the yarn. The invention relates to a manufacturing method for superfine wool worsted fabric. Merits of the invention are that the high quality of superfine wool worsted fabric is outstanding. In manmade fibre production the name is applied to the extrusion of a solution to form a fibre, a process similar to. For knitters, worsted generally refers to a mediumweight yarn that measures approximately 11 wraps per inch and yields a gauge somewhere between 4 and 5 stitches per inch. Finer, smoother, better quality cotton yarns, known as combed cotton yarns, are produced by combing the fibres prior to spinning. Manufacturing of worsted yarns manufacturing of woolen. Before industrial revolution occurs, hand spinning method is widely used by people for making yarns. But cotton and artificial fibres emerged as serious competition, with special fibres like silk, linen and.
Nsc fibre to yarn world leader in the worsted and semi worsted spinning in the field of long staple fibres. Normally, high bulk yarns are mainly made out of shrink and nonshrink staple fibers especially polyacrylonitrile through semi worsted spinning process. Therefore, this lecture shall thoroughly deal with processing. Semiworsted processing system the semiworsted system, developed in the first half of the 20th century mainly for synthetics and blends, essentially consists of carding, gilling and spinning, and, when spinning medium and fine. Final package of yarn is the end and may chance the customer complaint. The initial stage of the spinning process involves converting cotton in bales into the cone winding. Originally there was little else but pure wool, for all felting, weaving and knitting. Textile course is online based textile learning platform which discuss on different sectors of textile like as spinning, weaving, knitting, dyeing and finishing. Request pdf predicting worsted spinning performance with an artificial neural network model for a given fiber spun to a predetermined yarn specification, the spinning performance of. Spinning, in textiles, process of drawing out fibres from a mass and twisting them together to form a continuous thread or yarn. Process control and yarn quality in spinning woodhead. The next stage is spinning which is similar to that of worsted production process.
The worsted process uses a sequence of steps, called drawing, to gradually reduce the linear. Solution dyeing solution dyeing, known as dope or spun dyeing, is the process of adding color to the solution before it is extruded through a spinneret. Worsted fabric made from wool has a natural recovery, meaning that it is resilient and quickly returns to its natural shape, but nonglossy worsted will shine with use or abrasion. We would learn the spinning process is the next section. Experience and sales figures in indonesia show that the major buyer of viscose staple fibres today is still the cotton spinner. Spinning twisting our yarn is spun on new semi automated. Spinners who began their fiber journey as knitters sometimes find the term worsted confusing. Bharti department of mechanical engineering integral university, lucknow, india yarn. Preface textile manufacturing process consists of subprocesses of spinning, weaving, dyeing, and chemical processing. Nsc fibre to yarn world leader in the worsted and semiworsted spinning in the field of long staple fibres.
The fundamental yarn formation concept, employing a wrapping of fine denier continuous filament around untwisted staple fiber, produces an integrated multicomponent yarn. In here we have discussed the process of cotton yarn manufacturing. Worsted yarn worsted yarn is spun using a long staple fiber that is prepared by combing with dutch combs or a flicker carder, to keep the fibers parallel, and to remove the shorter ones. The flexible zinser 451 model family comprises six models for classic ring spinning. I much prefer it now my fingers hurt less but i also felt like i was learning to spin again. Spinning is the process by which wool fibre is turned into yarn. Nsc fibre to yarn teams design and manufacture a wide range of industrial machinery which produces yarn from natural and synthetic fibres. The process takes a fiber mass roving, reduces the mass through fiber drafting, inserts twist for strength, and winds the yarn onto a bobbin. It is not possible to spin relatively fine, even yarns in the semiworsted process because the steps that eliminate the beneficial effects of sliver feed reversal and doubling are limited.
Pharaoh yarn with a mix of spinning sessions in it. Spinning and plying spinning is the process of adding twist to sliver or drafted roving in order to create yarn. Worsted yarns and worsted spinning spinners glossary. Jul 29, 2014 the grey is blue faced leicester from my spinning lesson. These steps of processing are carried out in the blow room of a spinning mill. Ring spinning is the oldest type of fiber spinning still in use. Spinning woolen and worsted from beginner to intermediate. There are various types of spinning methods for producing various types of yarn. About 55% of these are spinning machines, 3% are textile machine parts, and 15% are carding machines. Scouring this operation uses water and light detergent to wash the wool, removing oils lanolin, dirt, vegetable matter, short and dead fibres. Drawing 2 with auto leveler first thing in spinning process is converting highly. We owe this position in the market to our innovation leadership, which has grown over decades.
There are two classes of spinning process have been developed by people, hand spinning and machine spinning. But cotton and artificial fibres emerged as serious competition, with special fibres like silk, linen and cashmere providing the luxury end of the spectrum. Woolen, semiworsted and worsted refer to the arrangement of fibers in a single ply yarn. The fibers in woolen yarn are as randomly arranged as possible, to increase the number of air spaces. Ramella spinning frame for fiber mills and textile laboratories. Openendrotor spinning an overview sciencedirect topics. A new process called coverspun r, recently patented by the leesona corporation, is described. Radio frequency dryers were popular in the 19701980s, but most plants today use conventional hot air dryers and the main technological issue is to avoid overdrying. Spinning process tencel fiber can be spinned in cotton spinning system, wool processing system and many other systems, and the technological process of spinning is short. Predicting worsted spinning performance with an artificial.
Adapted to wool 17 to 33 technology of progressive process respecting the wool fibres. Spinning is the first steps of textile product processing. Then split each in half, so that youre spinning half of the woolen preparation woolen and half worsted, and half of the worsted spun woolen and half spun worsted. New developments in worsted spinning technology are driven by the increasing demand of yarn quality and productivity, and for a new technique to be widely accepted, it must also meet the. Although coarse yarn counts can be produced on the worsted spinning system in comparison to woollen spinning, much finer yarn counts can be, and are usually produced, both for knitting and weaving. Spinning is the twisting together of drawn out strands of fibers to form yarn. During spinning, wool fibres are drawn out and twisted together. Scribd is the worlds largest social reading and publishing site. The invention relates to a wool semiworsted spinning process, including fearnaughting, feeding by a fb001 automatic feeding bucket, carding by a fb201 carding machine, drawing by a a272 drawing machine, treating by a a456g fly frame machine, spinning by a a5w spinning machine, cheese winding by an automatic winding machine, twisting by a twisting machine, twoforone. Handbook of worsted wool and blended suiting process. Handspinning woollen and worsted yarn basic yarn design. Drawing the first process of spinning where the combed wool top is drawn out to prepare the sliver for the worsted spinning frame which requires wool to be presented to the spinning frame at the correct weight and levelness, thereby removing unevenness within the final yarn. The names refer to the stage at which the fiber is dyed.
517 861 1094 761 1451 514 596 769 16 679 1117 937 579 930 25 508 935 98 895 1598 430 402 293 1483 413 482 1202 1163 843 111 83 863 428 723 916 1247