Download it once and read it on your kindle device, pc, phones or tablets. The tight belts on the surface of the selected yarn samples were counted, and the. Yarn twist impacts the yarns appearance, fineness, strength, and absorption. Pdf effect of twist on yarn properties researchgate. Sock yarns are are wonderfully versatile and can be used for knitting many other types of project. Analysis on the defects in yarn manufacturing process. The spinning process, yarn folding, yarn preparation winding, tensioning. Making fibers into yarnsyarns o short staple or long filament fibers formed into long continuous strandsspinning o the conversion of fibers into yarnshand spinning o carding process of straightening fibers before spinning by hand or machine carder pair of wooden paddles, bent wire hooks o combing additional step using a comb, aligns fibers usually longer length fibers o spindle. Statistical analyses and predicting the properties of. Use features like bookmarks, note taking and highlighting while reading spun yarn technology. Crepe yarns used for plain and crepe weave fabrics have high twist. Effect of elastane denier and draft ratio of corespun. Elastohydrodynamics 96 fundamentals and applications in lubrication and traction, proceedings of the 23rd leedslyon symposium on tribology held in the institute of tribology.
Our high quality dynamic tfo spares ensure excellent yarn quality and evenness. Advances in yarn spinning technology woodhead publishing series. Ring spun yarn has retained its position as the system that produces the. Nowadays, blending of spinning waste with virgin cotton is a common phenomenon in rotor spinning intended to lower the production cost. Eric oxtoby, spun yarn technology, butterworths, 1987. Mar 28, 2003 fundamentals of spun yarn technology presents complete coverage of yarn manufacture and technology and current research findings on the structure and properties of spun yarns. Written by a wellknown and respected authority on textile technology, it not only introduces the subject, but it provides students with an advanced understanding of the. The yarn technol ogist has to understand the importance of the various fiber. Chapters are devoted to topics on spun yarn technology such as yarn production, properties of yarn, opening and cleaning loose fibers, fiber blending, the process. Eric oxtoby, spun yarn technology, butterworth publication, edition 1987, 2526. Import data and price of polyester spun yarn zauba.
Most spun yarns used for woven fabrics have average twist. Schema of the twistingandspinning mechanism of a ring spinning frame 4 the process of siro spun yarn formation is presented in. This yarn is composed from two rovings twisted together. In a similar manner to spun yarns, commercial cf yarns may be classified as natural or manufactured yarns i. According to fiber length staple, continuous filament according to structure single, plied, cabled according to fiber type fiber material like metal, glass, cellulose according to twist zero twist. Click download or read online button to get yarn texturing technology book now. Why sock yarn is worthwhile using the knitting squirrel. Eric oxtoby, spun yarn technology, butterworth publication, edition 198 7, 2526. The extension of the corespun yarn tends to reduce at higher twist levels. Single fibers of component b have thick portions and thin portions successively alternating in the longitudinal direction. As a result, understanding the relationships between properties of. Making fibers into yarns making fibers into yarns yarns. Bharti department of mechanical engineering integral university, lucknow, india yarn. This site is like a library, use search box in the widget to get ebook that you want.
Fundamentals of spun yarn technology crc press book. Find all the books, read about the author, and more. Delete and rename a file display all files with the extension. In winding department where the final package of yarn is make. In addition, the amount of hand spun yarn in india decreased from 1884 to 1914. Openend spinning, on the other hand, is a faster and more costeffective method for producing coarser yarns. Spun yarn technology kindle edition by oxtoby, eric. Measure of the spiralling orien tation of the fibres in a spun yarn or of the filaments in a filament yarn.
Page 47 the spindle, which hangs from the fibers, twists the fibers as it rotates downward, and spins a length of yarn as it pulls away from the fiber bundle. Yarn texturing technology download ebook pdf, epub. A corespun yarn containing a metal wire manufactured by a modified vortex spinning system article pdf available in textile research journal october 2017 with 349 reads how we measure reads. In addition, the amount of handspun yarn in india decreased from 1884 to 1914. Chapters are devoted to topics on spun yarn technology such as yarn production, properties of yarn, opening and cleaning loose fibers, fiber blending, the process of carding, and roller drafting, doubling, and fiber control. Name and explain the three ways in which producers of manufactured fibers usually sell their products to fabric manufacturers. Packages may be comprised of unsupported yarn, such as balls, or supported yarn, such as skeins, cakes, bobbins, cops, cones, pirns, spools, tubes or beams. Read spun yarn technology online by eric oxtoby books. Ym2011 yarn a textile yarn is an assembly of substantial length. Mukerjee states that there has been a rapid decline of the handwoven cloth industry on account of the competition of machine manufactures. Fundamentals of spun yarn technology textile study center.
Imports of polyester spun yarn in usa manufacturers of polyester spun yarn buyers of polyester spun yarn in usa. Also offer package center assly for murata tfo, package center for dewon tfo, package center for tsudakoma tfo. Eric oxtoby, spun yarn technology, butterworth publication, edition 1987. Structural and physical properties of yarn made on the integrated composite spinning syst. Corespun yarn production by rotor spinning system nield and ali have developed a technique in rotorspinning machine to produce corespun yarns as shown in fig. Apr 26, 2017 basically, a textile yarn is made from short fibers like cotton, polyester, rayon, etc spun together into a continuous yarn. Fundamentals of spun yarn technology presents complete coverage of yarn manufacture and technology and current research findings on the structure and properties of spun yarns. It is used to produce the finer spun yarns as they cannot be spun on an openend spinning system. Read on to find out why sock yarn is worthwhile using.
Jun 12, 2015 the extension of the core spun yarn tends to reduce at higher twist levels. In the combing operation, fibres shorter than length of fibres or certain fixed percentage of short. The component yarn b is shorter in yarn length or larger in shrinkage at least after heat treatment. Basically, a textile yarn is made from short fibers like cotton, polyester, rayon, etc spun together into a continuous yarn. Pdf yarn testing plays a crucial role in gauging product quality. Effect of twist on yarn properties nmims engineering shirpur. Our professionals use latest technology to manufacture technologically advanced and dimensionally accurate spares for spun tfo i. To a point, the fineness and strength increase with an increase in twist, but excessive twist causes yarn strength to decrease. Lawrence, fundamentals of spun yarn technology, c rc press wood head publication, edition. Read spun yarn technology online by eric oxtoby books free. Spinning is the twisting together of drawn out strands of fibers to form yarn. Final package of yarn is the end and may chance the customer complaint. The purpose was to determine not only the positive or negative effect of elastane percentage on the mechanical properties of the fabric but also to see whether the method of changing the elastane.
Core spun yarn production by rotor spinning system nield and ali have developed a technique in rotorspinning machine to produce core spun yarns as shown in fig. Date hs code description origin country port of discharge unit quantity value inr per unit inr nov 22 2016. They are the perfect choice for knitting shawls, scarves, cowls, mittens, gloves and hats as well as socks. The unique construction and coating make it a great economical choice for fine art reproduction, indoor displays, wall murals and other art decor applications. Mukerjee states that there has been a rapid decline of the handwoven cloth industry on. You may be unsure where sock yarn fits into the yarn family. Document 6 is from the perspective of an indian economist named radhakamal mukerjee in 1916. Spun yarn technology isbn 9780408014649 pdf epub eric. Schema of the twistingandspinning mechanism of a ring spinning frame 4 the process of siro spun yarn formation is presented in figure 2 4. Standard practice for designation of yarn construction. Fundamentals of spun yarn technology 1st edition carl. Eric oxtoby, spun yarn technology, butterworths, london. Khare, elements of carding and drawing, sai book centre, bhandup, mumbai.
486 1481 1308 332 420 1576 517 1583 1295 560 67 1546 537 247 415 1394 1240 126 174 609 284 526 1284 924 83 651 1240 44 190 46 453 929 1326