It should be pointed out that some fabric is called ‘chenille’ even though it does not contain chenille yarns. flat chenille threads) and cylindrical chenille threads, where the pile is distributed regularly and spatially around the longitudinal axis. The softness of chenille yarns makes them vulnerable to rubbing; consequently, fabrics containing them do not wear well because of a low abrasion resistance [4,18]. Fig. 4 Figure 2 - Textured Filament Yarn. In terms of high production efficiency, the current most popular method of producing chenille threads is one based on twisting with the use of a hollow spindle. Typically, slubs are randomly and irregularly spaced along the yarn axis. Fashion or novelty yarn: Any novelty structure. o. Regular yarns are those which have a regular straight profile and these can be twisted together, making ‘two-fold’ or ‘three-fold’ yarns for example. 13.4. A thick and thin yarn is typically a multifilament yarn in which diameter variations are deliberately induced via variation in the filament flow rate through the spinneret during extrusion. Single yarn/staple fiber yarn / spun yarn. Satin weave creates a super smooth fabric that has a soft hand and drapes well. Texturized yarns made exclusively from continuous filaments can also be considered as a form of fancy yarn. Similarly, a blend of fibres having varying shrinkage when combined with colour difference can also give fancy effects. Other articles where Novelty yarn is discussed: textile: Novelty yarns: Novelty yarns include a wide variety of yarns made with such special effects as slubs, produced by intentionally including small lumps in the yarn structure, and synthetic yarns with varying thickness introduced during production. Chenille: Velvety and smooth, can be tricky to knit with. Novelty yarns include a wide variety of yarns made with unusual features, structure or fiber composition such as slubs, inclusions, metallic or synthetic fibers, laddering and varying thickness introduced during production. In both yarns, the effect strand is twisted around the core strand, but ratiné yarns are usually larger and wavier than gimp yarns due to a larger effect strand. Bias: the diagonal or cross grain of a woven fabric. This is one type of novelty yarn. Slub yarns are made by uneven twisting of yarns creating thick and thin areas. Typically, slubs are randomly and irregularly spaced along the yarn axis. Binder yarns which are used in novelty-type yarns, such as bouclé yarns, to hold the loops, or in fancy/effect yarns to the core or base, are also considered as a reinforcement yarn. Thus, the core and the effect components pass through a roller drafting unit (though having different paths) and enter the axial inlet of the hollow spindle. 9.6J) resemble a caterpillar, hence the derivation of their name from the French word chenille, which means caterpillar [4]. Knitted garments have very good demand in export market. Novelty yarn: Definition. They both have an effect strand that lies closer to the core strand than is typical in boucle and loop [4]. (Fig. This makes it possible for producers to make large profits very quickly. Boucle, loop, and snarl yarns shown in Fig. The differences in the appearance of the various yarns are largely dependent on the extent of prominence of the effect strand. The thread does not create problems during processing due to the selection of optimal raw materials. Accordingly, fancy yarns are not necessarily intended for function-focus fibrous products. UN-2 Under intense pressure from the textile industry in the United States, the NAFTA agreement however ushered in a novelty in rules of origin, the so-called “ Yarn Forward” rule. C. reed. The evaporation of the ready yarn produces a wavy effect in the fancy thread. https://fibres2fabrics.blogspot.com/2013/01/construction-of-knit-fabric.html Chenille yarns (Fig. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9781845697570500040, URL: https://www.sciencedirect.com/science/article/pii/B9781845699307500013, URL: https://www.sciencedirect.com/science/article/pii/B9781845690489500090, URL: https://www.sciencedirect.com/science/article/pii/B9780081024881000095, URL: https://www.sciencedirect.com/science/article/pii/B9781845693725500012, URL: https://www.sciencedirect.com/science/article/pii/B9781845694449500139, URL: https://www.sciencedirect.com/science/article/pii/B9781845699314000088, URL: https://www.sciencedirect.com/science/article/pii/B9781855735736500060, URL: https://www.sciencedirect.com/science/article/pii/B9781845694449500073, URL: https://www.sciencedirect.com/science/article/pii/B9780857091086500016, Types and properties of fibres and yarns used in weaving, Structure and types of yarn for textile product design, Types and suitability of yarns for knitting, An overview of textiles and textile design from fibre to product purchase, It is possible to produce multi-count and multi-twist yarns with independent servo drives to the drafting rollers, by varying the main draft and front roller speed respectively. Fancy or novelty yarns are of decorative purpose. Nub and slash yarns have the effect strand twisted around the core strand a number of times in a small area to form an enlarged bump or ‘nub’. The effect is composed of tufts of yarn held between plied yarns that form the core of the chenille yarn. Additionally, what is fancy yarn in textile? e.g. Sharing Knowledge: Students, teachers and professionals can publish your article here. Devices used to create these types of yarn have been available since the 19th century. They are made by introducing spiral forms of irregularity or hairiness into either spun continuous filament yarn. In a slash yarn, the enlarged area is longer and thinner than in a nub yarn [4]. It is possible to produce a wide range of yarn structures with fancy appearance using inbuilt programs that control the servo motors in ring spinning. in the manufacturing of pillar stitch warp knit fabrics or in the introduction of weft thread as a pile. In order to improve the design potential in this group of yarns, new heat-shrinkable components are inserted at the last stage of the production process. yarn manufacturing plant, numerous bales are used in a lay-down to further blend out variation. Types of fancy yarn are classified according to their structure as well as the method of manufacturing. Wrapping Up ... Doubleweave is a fascinating and versatile structure. Both gimp and ratiné yarns (Fig. Fancy yarn, sometimes known as novelty yarn is a yarn that is made with a distinctive irregular profile or a construction that differs from basic single and folded yarns, the objective of which is to enhance the aesthetics of the end product with respect to visual and textural properties. Apart from these, there are many other novelty yarns like Chenille, Flake, metallic and textured yarns. Fancy yarns produced by using hollow spindle machines have a similar look to yarns produced with ring twisting and the combined system, but their structure and properties are different. The wrapping filament is the only one that imparts the necessary cohesion – Fig. There can be endless variety of novelty yarns. These threads are rich in design effects but have low usage parameters. A typical novelty yarn has three basic parts: 1.The ground or foundation or core. fWHAT ARE NOVELTY YARNS? KNIT Which of these stitches is used to create color effects or structural designs? The binder strand is usually small and is often not readily visible. A basic weave, characterized by long floats of yarn on the face of the fabric. We use cookies to help provide and enhance our service and tailor content and ads. There is a wide variety of novelty yarns that are produced using different techniques and … Academia.edu is a platform for academics to share research papers. Fancy yarns are produced with a multiplicity of structural features but the structure of a fancy yarn may be considered in terms of the following three basic components (Fig. Nub and slash yarns have the effect strand twisted around the core strand a number of times in a small area to form an enlarged bump or “nub.” A binder strand may or may not be used. The manufacturing cost that may be added as a result of using these accessories is largely counterbalanced by many other factors that can indeed result in a net cost reduction. C. reed. Capital investment for starting a new knitting unit is less than that required for other fabric-producing industries. In addition, the possibility of using a wide range of fibers including low quality fibers and a variety of fiber wastes also adds to the overall reduction in manufacturing cost [1]. Sublime Stitches Part 2: Basic Embroidery Stitches In the Spring 2016 issue of Spin Off, Kate Larson shared tips for embroidering with your handspun yarns. Yarns made under the air jet spinning method are of this structure. By mechanically assembly or twisting of staple fibers together spun yarns are made. It is built on a base of two core threads and one effective thread, which creates the loops on the surface. Cor-respondingly, the warp and weft densities were arrived at 53 and 33/cm respectively. 9.6f, 9.6g, and 9.6h, respectively, have dramatic effect strands.4,15 The effect strand in boucle yarns is usually the softest and bulkiest of this group and, typically, does not lie near the core strand. Soft and slightly tweedy, Kylie will make pullovers, cardigans, and wraps that are perfect to wear as the weather warms up. See more. Such combinations cause the price of thread to rise considerably, and dramatically increase the linear density of thread. having or displaying novelties: novelty … This thread belongs to the group of fancy threads with continuous effects – it is wavy thread produced on a base of weft knit fabrics. S-twist. In both boucle and loop yarns, the binder strand is necessary to hold the loops in place [4]. 5. The development of fancy yarns represents a model example of how a market can be dynamically stimulated using creative ideas that can attract consumers and draw attention to the products with minimum added cost. Chenille yarns are usually made from cotton, wool, rayon or polyester and are used in fabrics that are soft and velvety. Fancy yarns are generally produced by the irregular plying of staple fibre or continuous filaments and are characterised by the presence of abrupt and periodic effects. The machine is fully automated so requires no change of gears to modify draft, twist and speed. Modern knitting machines, particularly warp knitting machines can produce various types of technical textiles (medical textiles, automobile textiles, geo-textiles, etc.). Manufacture of fancy yarns often involves plying and cabling together different yarns of varying counts and twists. The twisting of the core and the effect component is done during the first stage. The classical ring system for production of fancy yarns includes two stages. 4,7,15 Accordingly, fancy yarns are not necessarily intended for function-focus fibrous products. Indeed, most fancy yarns merely represent random effects introduced to the traditional yarns using simple accessories mounted on conventional spinning machinery such as ring spinning or rotor spinning [7]. The yarn structure shown in Figure 8.7 clearly shows the alternation of colours, which is the primary effect of marl yarn, as well as demonstrating the plain structure, which is that of an ordinary folded yarn. Basic interlock knitted structure is a double 1/1 rib fabric (Figure 1 a, b). The hollow spindle method is one of the four methods, together with ring spinning, the combined system and the chenille method, for production of fancy yarns (Gong et al. The introduction of a heat shrinkage thread to the structure of the fancy thread has been used in the production of chenille threads using the hollow spindle method. Yarn refers to a structure composed of continuous length of interlocked fibers. In fact, it is possible to use natural raw materials, such as cotton, but the thermal-stabilization process must then be optimized and the parameters of this process must be matched for natural fibers. A blend of cotton, silk, wool, and viscose, this yarn will add texture to knit and crochet projects. For example, the corkscrew yarn shown in Fig. Fancy yarns are made with a distinctive irregular profile which is different from basic single and folded yarns. Single yarn, the simplest type of yarn, is commonly produced by twisting together staple or filament fibers. 6.1). These yarns … It is also produced on a knitting base – i.e. Video Lesson: Twill Gamps. They both have an effect strand that lies closer to the core strand than is typical in boucle and loop.4. The floating yarn is then passed under one of the opposite yarn before repeating the process again. Nevertheless, the number of design variants of threads created from various types of fancy thread is infinite. These fabrics are essentially tufted, and they are often used for bathrobes and bedspreads [4]. chenille yarn, loop yarn, slub yarn, snarl yarn. The idea of a compound fancy yarn is to combine two or three strands together so that one of them acts as the fancy or effect strand, another acts as the yarn core and perhaps a third one acts as a binder to secure the effect strand to the core strand. Flat thread is produced using a weaving method based on plain or gauze weave with a very low production efficiency. Yarns are grouped into simple and novelty (specialty) yarns. Knitting is more flexible than weaving, i.e. 2. The term fancy, complex and novelty are considered synonymous. The compound fancy yarns shown in Fig. R. Alagirusamy, A. Das, in Textiles and Fashion, 2015. Pinter has developed a small ring-spinning machine – ‘Merlin’ – with six or 48 spindles that allow it to work with a range of fibres to produce all types of special yarns and their combinations: slub (multi-count and multi-twist), core spun, devore and double rove yarns. Blending of regular polyester fibres with cationic dyeable polyester can be used to get attractive colours, contrast and fancy effects. - The base/core strand provides the structure and strength. Bouclé- Bumpy and loopy. Fancy yarn, sometimes known as novelty yarn is a yarn that is made with a distinctive irregular profile or a construction that differs from basic single and folded yarns, the objective of which is to enhance the aesthetics of the end product with respect to visual and textural properties. They add interest to any knitted garment. The common kinds of novelty yarns are: Chenille-It is smooth and velvety and can be tricky to work with. In the context of design, it is important to point out that in addition to the deliberate irregularities induced in fancy yarns, fiber strands of different physical characteristics can also be used to make fancy yarns [4,7]. 2. Miss. These fabrics are used for many products such as dresses, draperies, and bedspreads. The fancy or effect 3. This type of yarns provides a unique surface texture to the fabric made from the yarns similar to that of linen fabrics. In a slash yarn, the enlarged area is longer and thinner than in a nub yarn. D. shed. that ties the effect yarn to the base yarn if binding is necessary. (of yarn) having irregularities within the fibrous structure. In both yarns, the effect strand is twisted around the core strand, but ratiné yarns are usually larger and wavier than gimp yarns owing to a larger effect strand. A thick-and-thin yarn is typically a multifilament yarn in which diameter variations are deliberately induced by variation in the filament flow rate through the spinneret during extrusion. 2002). All the yarns listed may be found in any fiber. All the yarns listed may be found in any fiber. Slub yarn is basically a spun yarn (ring- or rotor-spun yarn) in which thickness variations are deliberately induced via variation in yarn twist combined with a control of fiber feed so that thick areas will exhibit lower twist than thin areas. Rengasamy, in Advances in Yarn Spinning Technology, 2010. Fancy yarns are invariably used to create fashion fabrics. In this way, we obtain natural wavy thread. Texturized yarns made exclusively from continuous filaments can also be considered as a form of fancy yarns. The fancy or effect 3. They are made of artificial yarn blends and provide texture. strand that provides structure and strength. 3.0 Staple Spinning Systems 3.1 Ring Spun Yarns The processing of a cotton ring spun yarn must go through a carding machine. A slub yarn is basically a spun yarn (ring or rotor-spun yarn) in which thickness variations are deliberately induced by variation in the yarn twist combined with control of the fiber feed so that thick areas will exhibit lower twist than thin areas. The same effect can be obtained through the use of extreme differences in tension on the ring twister frame or hollow spindle during the manufacturing process. A binder strand may or may not be used. Boucle yarns are found in both woven and knit fabrics that are often called boucle fabrics. Novelty Yarns: Novelty yarns are made primarily for their appearance. The core strand in loop yarns is usually coarser and heavier than in boucle yarns. In both boucle and loop yarns, the binder strand is necessary to hold the loops in place. - The base/core strand provides the structure and strength. Each strand of single yarn is referred to as a ply; two single yarns twisted together would form a 2-ply yarn. Many novelty yarns are composed of: o. Base/core . Novelty yarns are classified according to the single or ply structure: Single yarns are Tweed and Slub Yarns. It is also observed that the loops of frotte-type threads differ from those of boucle-type threads. Where once the extreme complexity and difficulty of making and using fancy yarns inhibited their production in sufficient quantity or at a low enough price for the mass market, improved process control has now greatly extended their market penetration. Another member of the group of threads with continuous effect is loop-thread. Basic structure of knit fabrics Knitted fabrics are an alternative to the woven or loom fabrics. Selvedge: The weft yarns are wrapped around the warp yarns to create an edge to the fabric, known as the Selvedge. Sadhan Chandra Ray, in Fundamentals and Advances in Knitting Technology, 2012. These fabrics are essentially tufted and they are often used for bathrobes and bedspreads. Vigurex printing can be done on the tape of staple fiber, followed by a process of elongation and twisting. A snarl yarn uses a twist-lively strand to form the projecting snarls. Fashion or novelty yarn: Any novelty structure. Metallic fibers will give you and your work special sparkle. Fancy yarns produced by using hollow spindle machines have a similar look to yarns produced with ring twisting and the combined system, but their structure and properties are different. a soft and bulky strand spiraling around a fine strand), the yarn is commonly called a spiral fancy yarn. Plied yarns are produced by twisting two or more single yarns. Fancy yarns, also called novelty or effect yarns, represent another category of yarns in which deliberate irregularities, discontinuities and color variations are introduced into the yarn structure with the primary intention being to produce enhanced esthetic and fashionable impressions. See more ideas about Novelty yarn, Yarn, Ribbon yarn. Bouclé: This highly bumpy, textured yarn is composed of loops. Effect of Yarn Twist Direction and Woven Design on Certain Novelty Fabrics from Cotton/Polyester Trilobal Filament 3-ply Yarn ... because of the loose structure of the sateen weaves. This profile enhances the visual and textural properties of the fabric. Manufactured By a solution in forced through very … Novelty yarns are often weak and have poor abrasion resistance. Crepe Fabrics Crepe weave fabrics is special novelty fabrics from basic weaves may be defined as fabrics characterized by a crinkled, pebbly surface. Many fancy yarns are produced using conventional staple-fiber spinning systems equipped with special accessories. Examples of how to use “novelty yarn” in a sentence from the Cambridge Dictionary Labs Typical fancy yarns include snarl, spiral, loop, chenille, slub and nep. These yarns are used to make discreet pinstripes in men’s suiting or to produce a subtly and irregularly patterned knitted fabric with a relatively simple fabric construction. The effect is achieved through the continuous and smooth twisting of many component multi-colored threads. There is also a modification of this method, which involves the periodic input of pile to obtain chenille thread with a point effect. Thread is a type of yarn intended for sewing by hand or machine.Modern manufactured sewing threads may be finished with wax or other lubricants to withstand the stresses involved in sewing. Common types of Novelty Yarns: Bouclé: Loopy and bumpy. Knitted fabrics results wrinkle-free and ease-of-care garments with better form fitting and comfort. Cotton is the most important of the raw materials for the textile industry. Ply yarn: Definition. Slubs of varying dimensions can be produced by using differential fibre length in the core and effect components. Manufactured By a solution in … Warp knitting is a family of knitting methods in which the yarn zigzags along the length of the fabric; i.e., following adjacent columns, or wales, of knitting, rather than a single row, or course.For comparison, knitting across the width of the fabric is called weft knitting. Novelty yarn is a relatively new trend that has enabled a variety of new looks for knitters who prefer to depart from traditional yarn. For example, fancy yarns that are a result of induced irregularities and discontinuities require quality constraints and testing procedures that are much less than those implemented for traditional yarns. Hollow spindle spinning gives the possibility of integrating the two stages of the traditional ring system into one. Yehia E. Elmogahzy, in Engineering Textiles (Second Edition), 2020. Fancy Yarn: Yarn refers to a structure composed of continuous length of interlocked fibers. Single yarns include spun, monofilament, and multifilament yarns. Such types of threads are produced by the Polish spinning industry. B. harness. Novelty yarn. However, they are also characterized by more flexibility, which is very important for knitting purposes. Figure-6: Gimp yarn: Although it is common to overfeed the effect in the first twisting stage, this is not essential. Jacquie Wilson, in Handbook of Textile Design, 2001. 1 . The thread is also less flexible. It should be pointed out that some fabric is called “chenille” even though it does not contain chenille yarns. By continuing you agree to the use of cookies. Figure 1 b shows the structure of interlock. harness. The base or core yarn 2. When this situation is reversed (i.e. It has many desirable fibre properties making it an important fibre for textile applications. Various fancys By definition, fancy yarns are any type of yarn with a deliberate interruption or discontinuity in color or form. 13.4. o. Binder . They may also be used to provide a Lurex or other metallic yarn with strong support, while at the same time creating a more subtle effect (Gong & Wright, 2002). Ply yarn. In loop yarns, the effect strand is usually made of long, rigid fibers that may also be lustrous, such as mohair or wool or untwisted thick filament strand. See more ideas about novelty yarn, yarn necklace, yarn. 9.6D and E) exhibit a slightly wavy appearance. Chenille yarns are also used in knit fabrics for the purpose of making bulky sweater knits. The former are made from a single staple-fiber strand or multifilament yarn in which irregularities are introduced during the conversion from fibers to yarns; the latter consist of two or more fiber strands used to provide the desired combined effects. In these types of threads the pattern-effect of the yarn is applied to the whole length of the thread. The most common novelty yarn material is wool. It is important to point out that although interest in classical solutions for the production of smooth fancy threads is constant, it has a tendency to decline unless new interesting solutions for the structure of such threads are developed. As noted from the definition most fancy yarns are either single or plied. Corkscrew, spiral, chenille, gimp, loop, snarl and boucle have all found acceptance in apparels and for the production of furnishings and upholstery. Did you scroll all this way to get facts about novelty yarn? harness. The component thread, which is fed at a higher tension, will form the core, and the thread fed with a lower tension will be wound round the core and will form a continuous wavy structure. Advanced Yarn Manufacturing Azmir Latif, MSc in TE Figure 9: Structure of Slub Yarn Fasciated Yarn Fasciated yarn is a staple fiber yarn that consists of a core of a parallel fibers bound together by wrapper fibers. Chenille yarns are usually made from cotton, wool, rayon, or polyester and are used in fabrics that are soft and velvety. This simple, crew-neck, drop-shoulder, bottom-up, seamed cardigan can be worked in any gauge with any weight yarn, though it’s shown here in a worsted weight. These fabrics are used for many products such as dresses, draperies and bedspreads. Frotte threads are characterized by low resistance in comparison with boucle-type threads. Others are produced using special spinning preparation in which blends of various fiber colors or fiber types forming fancy slivers are used. This is typically controlled by a number of structural factors including the following: the size of the effect strand, the configuration assumed by the effect strand (wavy, looped, snarled, etc. In this way, we can also create a rainbow effect on the yarn. The binder. In weaving, the warp, or lengthwise, yarns are subjected to greater stress and are usually stronger, smoother, and more even and have tighter twist than the weft, or crosswise, yarns. All textile yarn is classified according to structure, or how they are made. Novelty Yarns. Novelty yarns include a wide variety of yarns made with such special effects as slubs, produced by intentionally including small lumps in the yarn structure, and synthetic yarns with varying thickness introduced during production. Compound fancy yarns can be found in an unlimited number of varieties and textures. S-twist: Definition. The chenille threads are usually imported from Italy. If you're striving for the smoothest, most even worsted or the loftiest woolen yarn, stopping to add in locks without drafting them or even tossing some commercial yarn into the mix may seem like a distraction. Novelty yarns are usually uneven is size, varied in color or modified appearance by their formation. Textile - Textile - Classification based on use: Almost any textile yarn can be used to produce such interlaced fabrics as woven and knitted types. Of the major fibers, rayon is the least likely to be Used in the hand made yarn business. These fabrics are stretchable, soft and quick to recover from wrinkles, unlike, woven fabrics knitted fabrics would not become stiff or board even if you make it heavy. El Mogahzy, in Engineering Textiles, 2009. Ply Yarns are Ratine, Spiral, Knot, Snarl and Boucle. This explains why it has a greater bending stiffness and a lower ability to form waves. Copyright © 2020 Elsevier B.V. or its licensors or contributors. Fig. ASTM defines a fancy yarn as a yarn that differs significantly from the normal appearance of single or plied yarns due to the presence of irregularities deliberately produced during its formation. The basic structure of a gimp yarn is illustrated in Figure-6 . 9.6c to 9.6j are listed in the order of their prominence if they are visualized side-by-side in a piece of fabric. In loop yarns, the effect strand is usually made of long, rigid fibers that may also be lustrous, such as mohair or wool, or untwisted thick filament strand. Fancy yarn, sometimes known as novelty yarn is a yarn that is made with a distinctive irregular profile or a construction that differs from basic single and folded yarns, the objective of which is to enhance the aesthetics of the end product with respect to visual and textural properties. knit - basic stitch; wales = front, courses = back 2. purl - reverse of knit stitch courses = front, wales = back 3. miss - float stitch used to create color effects 4. tuck - elongated skipped stitch that creates holes in fabric; used to create lacy, textural design effects. Yarn is a long continuous length of interlocked fibres, suitable for use in the production of textiles, sewing, crocheting, knitting, weaving, embroidery, or ropemaking. Continuous filament yarn Continuous filament yarns are the simplest in the structure. (of a fabric or garment) having a pattern or design produced by a novelty weave. Types of Neckties | How to Wear Men’s Tie or Neckwear to Fashion. Both gimp and ratiné yarns (Fig. Novelty: Novelty yarns are easy to recognize because their appearance is so different from traditional yarns: Ribbon: A knitted ribbon in rayon or a rayon blend. From chain stitch to couching, thread a needle and create beautiful needlework with your handspun. Generally, this yarn involves a strand or two of "normal" yarn combined, often by twisting, with something else to create a more interesting color pattern or texture. Carry along feathers, loops or eyelash yarns to create new textures and bring drama to your garments. This weave can be made on a loom with only two harnesses. Here the effective thread is braided on the base of one core with a big surplus, which creates the loops. It is a platform to express your knowledge throughout the world. They are suitable for use in the production of textiles, sewing, crocheting, knitting, weaving, embroidery and rope making.However, fancy yarn deviates from the normal yarns. As well as changing the appearance of a fabric, the introduction of a fancy yarn will affect the handle and performance of that fabric. For many years the main spinning systems could be given as woollen, worsted and cotton, and these systems gave rise to the woollen, worsted and cotton industries. These yarns can be produced using a wide range of accessories attached to commercial spinning machines. Let's look at each of them. Similarly to the ring system, the production of a fancy yarn with a hollow spindle requires three different components: core, effect and binder. Textured and many other fancy yarns can easily be knitted and converted to light weight fashion garments. At its simplest, yarn production is essentially about taking fibres, organising them so that they lie in a lengthways direction and twisting them to create a yarn. In: Journal of Thermoplastic Composite Materials 17 (2004), No. E. batten. An example is boucle yarn, formed by allowing one yarn to form loops around a core or central yarn, while a third yarn holds or binds these two yarns together. Under conditions of steam and high temperature, a thin filament thread with the heat-shrinkage property can tend to get inside the yarn core and modify the structure of the smooth thread. Key structural parameters associated with slub yarns include the following: slub size with respect to yarn diameter, slub length, and slub spacing or frequency. Figure 8.8 shows the basic structure, which is straightforward, except in the differing lengths of the two yarns involved, and is very similar to the structure of a marl yarn. Fancy yarns can be created by deliberately introducing irregularities or intermittent effects along their length. Of the major fibers, rayon is the least likely to be Used in the handmade yarn business. Novelty Yarn comes in a variety of colors and textures and add interest to a knitted garment. The differences in the appearance of the various yarns are largely dependent on the extent of prominence of the effect strand. The fancy effect yarn 3. Fancy yarns, also called novelty or effect yarns, represent another category of yarns in which deliberate irregularities, discontinuities and color variations are introduced into the yarn structure with the primary intention being to produce enhanced esthetic and fashionable impressions.4,7,15 Accordingly, fancy yarns are not necessarily intended for function-focus fibrous products. 9.6C–J are listed in the order of their prominence if they are visualized side by side in a piece of fabric. Yarn producers or spinners buy in natural and/or man-made fibres to make these into yarns of different sizes and characters; regular and fancy yarns. The part of the loom through which the filling yarn is inserted is the A. shuttle. The second stage involves the twisting of the binder around the first two components, thus fixing the effects and giving additional strength to the final yarn. Ring spinning, Rotor spinning, wrap spinning, Air-jet spinning etc. Novelty, Speciality & Fancy Knitting & Crochet Yarn For fun, creative projects bursting with character, jump into our pool of joyous novelty, speciality and fancy knitting and crochet yarns. Download : Download full-size image; FIGURE 8.8. Novelty yarns include a wide variety of yarns made with unusual features, structure or fiber composition such as slubs, inclusions, metallic or synthetic fibers, laddering and varying thickness introduced during production. ), and the core-effect arrangement used [7,18]. Time required to get an order executed is less than weaving. - The effect strand creates decorative detail such as knots and loops. In the context of design, it is important to point out that in addition to the deliberate irregularities induced in fancy yarns, fiber strands with different physical characteristics can also be used to make fancy yarns. The core strand in loop yarns is usually coarser and heavier than in boucle yarns. Novelty bulky yarns may make the fabric hard to handle. Novelty yarns are available in different types of colors and textures. Today, yarn spinning or production is a highly advanced technology that enables the engineering of different yarn structures having specifically desired properties suited for particular end use applications. As an adult who's crochet crazy, the idea of fancy yarns delights me. another term for a fancy yarn: Term. Classification according to their structure; The yarn may be divided into three types according to their structure. … Key structural parameters associated with slub yarns include slub size with respect to yarn diameter, slub length and slub spacing or frequency. They differ from simple yarns that their structure is characterized by irregularities. 9.6F–H, respectively, have dramatic effect strands [4,18]. Currently, customers of fancy yarn are especially interested in KDK thread (Knitt de Knitt). 9.6d and 9.6e) exhibit a slightly wavy appearance. By combining fibre types, and using different spinning systems and machinery, yarns can be developed with individual profiles suitable for a vast range of end uses. The most common types of novelty yarn are bouclé yarn, Figure 9.6a and 9.6b represents two examples of the first type of fancy yarn, namely slub yarns and thick and thin yarns. Loop yarns are frequently used in coating and suiting fabrics, for interior furnishings and for specialty fabrics, either knit or woven [4]. May 26, 2019 - Explore Leslie Carey's board "novelty yarns", followed by 153 people on Pinterest. Y.E.
2020 basic structure of novelty yarn