Novelty yarns, typically made of two or more stands, are produced to provide decorative surface effects. In this method, it is recommended that raw materials with shrinkage properties (such as PAN or filament man-made fiber) are used in order to obtain the desired effect. Bias: the diagonal or cross grain of a woven fabric. Well you're in luck, because here they come. The part of the loom through which the filling yarn is inserted is the A. shuttle. Metallic fibers will give you and your work special sparkle. Boucle yarns are found in both woven and knit fabrics that are often called boucle fabrics. They differ from simple yarns that their structure is characterized by irregularities. 9.6J) resemble a caterpillar, hence the derivation of their name from the French word chenille, which means caterpillar [4]. Time required to get an order executed is less than weaving. Basic interlock knitted structure is a double 1/1 rib fabric (Figure 1 a, b). The way that fibers are spun and twisted determines a yarn’s structure. The compound fancy yarns shown in Fig. They are made by introducing spiral forms of irregularity or hairiness into either spun continuous filament yarn. effect strand. 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. … Effect . Compound/Complex/Novelty Weaves o. 2002, Petrulytė and Petrulis 2004). Fancy Yarn: Yarn refers to a structure composed of continuous length of interlocked fibers. 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. The binder strand is usually small and is often not readily visible. The classical ring system for production of fancy yarns includes two stages. In this way, we can also create a rainbow effect on the yarn. This is one type of novelty yarn. C. reed. Many fancy yarns are produced using a conventional staple-fiber spinning systems equipped with special accessories. These devices are now available as optional accessories with most commercial spinning machines. Manufacture of fancy yarns often involves plying and cabling together different yarns of varying counts and twists. The core and the effect components are not twisted in the hollow spindle or have very small twist, compared to the twist of the filament around them (Gong et al. Chenille yarns are usually made from cotton, wool, rayon or polyester and are used in fabrics that are soft and velvety. There is also a modification of this method, which involves the periodic input of pile to obtain chenille thread with a point effect. 2002). 13.4. Differences in individual yarn fineness is employed to make corkscrew and spiral yarns. B. harness. A deliberate difference in length, denier, cross-section and modulus of component fibres can be exploited to position them at predetermined zones of the yarn cross-section, with short and coarse fibres occupying the yarn surface. E. batten. 13.3). Novelty yarns like spike yarns are also being used in making soft toys. 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. This profile enhances the visual and textural properties of the fabric. Various fancys By definition, fancy yarns are any type of yarn with a deliberate interruption or discontinuity in color or form. 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. Cotton melange yarn has been highly successful in enhancing the appeal of knitted garments such as T-shirts, etc. another term for a fancy yarn: Term. Yet, I don't often know what to do with them. The twisting of the core and the effect component is done during the first stage. Capital investment for starting a new knitting unit is less than that required for other fabric-producing industries. Many fancy yarns are produced using conventional staple-fiber spinning systems equipped with special accessories. 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. Of the major fibers, rayon is the least likely to be Used in the hand made yarn business. Structure of spiral or corkscrew yarn. Similarly, which is the novelty yarn? As an adult who's crochet crazy, the idea of fancy yarns delights me. Fancy yarns have wide-ranging application in apparel at all levels of the market. 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. In Chapter 3, a number of important business and marketing issues related to product development were discussed. In addition, the importance of stimulating and attracting consumers was addressed. When this situation is reversed (i.e., a soft and bulky strand spiraling around a fine strand), the yarn is commonly called a spiral fancy yarn. 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. This technique has an efficiency of 18 m/minute and makes it possible to produce round chenille threads with various lengths of pile along the yarn. S-twist: Definition. In a slash yarn, the enlarged area is longer and thinner than in a nub yarn. 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. 9.6C typically has a fine strand spiraling around a soft and bulky strand. Soft and slightly tweedy, Kylie will make pullovers, cardigans, and wraps that are perfect to wear as the weather warms up. The term fancy, complex and novelty are considered synonymous. In this way, we obtain natural wavy thread. R.S. Rengasamy, in Advances in Yarn Spinning Technology, 2010. Figure 9.6a and 9.6b represents two examples of the first type of fancy yarn, namely slub yarns and thick and thin yarns. Classification of yarn according to structure: Continuous filament yarn Staple yarn Core spun yarn Novelty yarn Stretch yarn High bulk yarn 7. Chenille: Velvety and smooth, can be tricky to knit with. A basic weave, characterized by long floats of yarn on the face of the fabric. 13.4. In woven fabrics, the yarns may be laid so that all the tufts lie on one side of the fabric or so that some tufts appear on both the face and the back [4]. Fancy yarns are invariably used to create fashion fabrics. Plied yarns are produced by twisting two or more single yarns. 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. For example, fancy yarns being a result of induced irregularities and discontinuities require quality constraints and testing procedures that are much less than those implemented for traditional yarns. 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. Boucle, loop, and snarl yarns shown in Fig. Figure 1 b shows the structure of interlock. For details: Submit Article. The most popular color? Made of synthetic fibers these yarn blends, novelty yarns provide texture and interest. This weave can be made on a loom with only two harnesses. These fabrics are essentially tufted, and they are often used for bathrobes and bedspreads [4]. These fabrics are used for many products such as dresses, draperies, and bedspreads. fWHAT ARE NOVELTY YARNS? Textile - Textile - Classification based on use: Almost any textile yarn can be used to produce such interlaced fabrics as woven and knitted types. At present, these threads are mostly found in the textile industry and are known not to generate problems during the manufacturing process or subsequent processing. Types of fancy yarn are classified according to their structure as well as the method of manufacturing. S-twist. 9.6C–J are listed in the order of their prominence if they are visualized side by side in a piece of fabric. Flat thread is produced using a weaving method based on plain or gauze weave with a very low production efficiency. Classification according to their structure; The yarn may be divided into three types according to their structure. There can be endless variety of novelty yarns. In both boucle and loop yarns, the binder strand is necessary to hold the loops in place [4]. 9.6D and E) exhibit a slightly wavy appearance. covered by . B. has twice as many filling yarns as warp yarns. R. Alagirusamy, A. Das, in Textiles and Fashion, 2015. - The base/core strand provides the structure and strength. 2. The binder is, in general, a filament, which is wound onto the pirn, placed on the hollow spindle. Most fancy yarns are produced by specialist fancy spinners, using machines modified or developed for the purpose. A snarl yarn uses a twist-lively strand to form the projecting snarls. They are made of artificial yarn blends and provide texture. - The effect strand creates decorative detail such as knots and loops. 1. flat chenille threads) and cylindrical chenille threads, where the pile is distributed regularly and spatially around the longitudinal axis. Novelty yarn: Definition. 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. The former is 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 desired combined effects. As well as changing the appearance of a fabric, the introduction of a fancy yarn will affect the handle and performance of that fabric. 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. This is typically controlled by a number of structural factors including the size of the effect strand, the configuration assumed by the effect strand (wavy, looped, snarled, etc.) 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. Moreover, the requirement to match the twist of base thread is reached at the weft knit fabric manufacturing stage. 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’. This type of yarns provides a unique surface texture to the fabric made from the yarns similar to that of linen fabrics. All the yarns listed may be found in any fiber. e.g. 9.6c typically has a fine strand spiraling around a soft and bulky strand. Chenille yarns are used as crosswise yarns in a woven fabric to create a velvet-like surface or occasionally placed in the filling to add surface effects. Lang Kylie is a unique natural fiber yarn with a subtle thick and thin bouclé structure. 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. 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. Loop yarns are frequently used in coating and suiting fabrics, for interior furnishings and for speciality fabrics, either knit or woven. Ring spinning, Rotor spinning, wrap spinning, Air-jet spinning etc. 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. See more ideas about novelty yarn, yarn necklace, yarn. 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. Crepe Fabrics Crepe weave fabrics is special novelty fabrics from basic weaves may be defined as fabrics characterized by a crinkled, pebbly surface. See more. Fancy yarns are also termed novelty yarns, specialty yarns, effect yarns and fashion-oriented yarns, and can incorporate deliberate ‘defects’ or variations distributed randomly or in a pre-defined order, along with colour to give visually and texturally attractive difference to the fabric. 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. D. shed. Of the major fibers, rayon is the least likely to be Used in the handmade yarn business. The production efficiency of these types of threads when applied in modern production techniques (hollow spindle) is very high, and could even reach 200 m/minute (meters per minute), in comparison with the classical method (ring twisters method), reaching 15 m/minute at most. See more ideas about Novelty yarn, Yarn, Ribbon yarn. 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. From chain stitch to couching, thread a needle and create beautiful needlework with your handspun. Knitting is more flexible than weaving, i.e. 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 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. In both boucle and loop yarns, the binder strand is necessary to hold the loops in place. They add interest to any knitted garment. In a slash yarn, the enlarged area is longer and thinner than in a nub yarn [4]. These fabrics are essentially tufted and they are often used for bathrobes and bedspreads. Based on the purpose, each strand is referred to as base/core, effect, or binder. KNIT Which of these stitches is used to create color effects or structural designs? The twist of the effect strand is usually in the same direction as the twist that holds the effect and core strands; the binder strand is usually twisted in the opposite direction. 5. Hollow spindle spinning gives the possibility of integrating the two stages of the traditional ring system into one. 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]. 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. Wrapping Up ... Doubleweave is a fascinating and versatile structure. Novelty Yarns: Novelty yarns are made primarily for their appearance. Slub yarns are made by uneven twisting of yarns creating thick and thin areas. - The effect strand creates decorative detail such as knots and loops. 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. 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. Another term for a fancy yarn. harness. 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. Ply yarn: Definition. Yarns can be combined together as components of new yarns with different effects and properties from their component parts. Each strand of single yarn is referred to as a ply; two single yarns twisted together would form a 2-ply yarn. 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. Key structural parameters associated with slub yarns include slub size with respect to yarn diameter, slub length and slub spacing or frequency. Developments in spinning, however, have led to new spinning systems including ‘open-end’, ‘self-twist’ and ‘jet’ spinning. Corkscrew, spiral, chenille, gimp, loop, snarl and boucle have all found acceptance in apparels and for the production of furnishings and upholstery. Basic structure of knit fabrics Knitted fabrics are an alternative to the woven or loom fabrics. 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. Jul 15, 2020 - Explore Martha Vickery's board "Novelty Yarn Patterns" on Pinterest. 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. The effect is composed of tufts of yarn held between plied yarns that form the core of the chenille yarn. From a comparison of the external appearance of boucle and frotte threads made from the same raw materials and at the same parameters of the twisting frame machine, it can be seen that the threads of the boucle type are more attractive, but are thicker and more rigid. El Mogahzy, in Engineering Textiles, 2009. Texturized yarns made exclusively from continuous filaments can also be considered as a form of fancy yarns. There is a wide variety of novelty yarns that are produced using different techniques and … 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 attentions to the products at minimum added costs. 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. 6. Novelty definition, state or quality of being novel, new, or unique; newness: the novelty of a new job. This type of yarn provides a unique surface texture to the fabric made from the yarns similar to that of linen fabrics. strand that provides structure and strength. Apart from these, there are many other novelty yarns like Chenille, Flake, metallic and textured yarns. It has many desirable fibre properties making it an important fibre for textile applications. These yarns are providing us with a huge variety of surface ornamented fabrics at a low cost. 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. Satin weave creates a super smooth fabric that has a soft hand and drapes well. It should be pointed out that some fabric is called “chenille” even though it does not contain chenille yarns. 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 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. 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. Y.E. 4,7,15 Accordingly, fancy yarns are not necessarily intended for function-focus fibrous products. The boucle loop has a very clear shape, which is regular along the whole length of this fancy thread. The density (tpi) and direction of twist (S/Z) are often manipulated during plying and cabling so as to create particular effects. For increased lustre, fibres with a flat cross-section, such as trilobal and ribbon-shaped yarns, are often employed. https://fibres2fabrics.blogspot.com/2013/01/construction-of-knit-fabric.html Unfortunately, the introduction of thermoplastic thread to the structure of chenille raises the price of the yarn and only a few producers of chenille thread can afford to adopt such an innovation. Typically, slubs are randomly and irregularly spaced along the yarn axis. Basic/Simple Weaves; Compound/Complex/Novelty … Varying widths and colors, laddering, twists and curls define this category of wonderfully unique yarns. An example of this is frotte-type thread produced with a core made of PAN, joined with effective thread such as chenille, which creates the loop. Novelty Yarn comes in a variety of colors and textures and add interest to a knitted garment. The most common novelty yarn material is wool. 9.6j) resemble a caterpillar, hence the derivation of their name from the French word chenille, which means caterpillar. The fancy or effect 3. Typically, slubs are randomly and irregularly spaced along the yarn axis. E. Mielicka, in Advances in Knitting Technology, 2011. Classification of Woven Fabrics. 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. Such types of threads are produced by the Polish spinning industry. These yarns can be produced using a wide range of accessories attached to commercial spinning machines. in the manufacturing of pillar stitch warp knit fabrics or in the introduction of weft thread as a pile. The basic twill types: straight, point, extended point, and broken twills; ... Twill with Novelty Yarn. Such combinations cause the price of thread to rise considerably, and dramatically increase the linear density of thread. However, they are also characterized by more flexibility, which is very important for knitting purposes. Loop yarns are frequently used in coating and suiting fabrics, for interior furnishings and for specialty fabrics, either knit or woven [4]. This thread belongs to the group of fancy threads with continuous effects – it is wavy thread produced on a base of weft knit fabrics. 9.6A and B represents two examples of the first type of fancy yarns, namely, slub yarns and thick and thin yarns. Ply Yarns are Ratine, Spiral, Knot, Snarl and Boucle. 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. 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. Video Lesson: Double-Faced Twill. effect filament. 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. 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. Here the effective thread is braided on the base of one core with a big surplus, which creates the 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 of different physical characteristics can also be used to make fancy yarns [4,7]. The fancy or effect 3. Video Lesson: Twill Gamps. 9.6F–H, respectively, have dramatic effect strands [4,18]. strand that creates decorative details, knots, or loops. Novelty yarns are created by special spinning, twisting or combining these processes. Similarly to the ring system, the production of a fancy yarn with a hollow spindle requires three different components: core, effect and binder. 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. - The base/core strand provides the structure and strength. Structure of Cotton Fiber: Cotton, the seed hair of plants of the genus Gossypium, is the purest form of cellulose readily available in nature. Yarns made under the air jet spinning method are of this structure. The simplest among the fancy yarns, marl yarn is made by twisting two different-coloured yarns in a doubling process. 9.6d and 9.6e) exhibit a slightly wavy appearance. In woven fabrics, the yarns may be laid so that all the tufts lie on one side of the fabric or so that some tufts appear on both the face and the back. Both the appearance is the same on both sides. Others are produced using special spinning preparation in which blends of various fiber colors or fiber types forming fancy slivers are used. Slubs of varying dimensions can be produced by using differential fibre length in the core and effect components. The core strand in loop yarns is usually coarser and heavier than in boucle yarns. C. reed. D. shed. harness. Fig. o. Binder . Natural fibres, including some linens, wools to be woven… (Fig. 2. 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 the production of enhanced aesthetic and fashionable impressions [4,7,18]. The twist of the effect strand is usually in the same direction as the twist that holds the effect and core strands; the binder strand is usually twisted in the opposite direction [4]. Under the category of the structure of chenille threads, there are two sub-groups – chenille threads with flush pile (i.e. The following examples belong to the groups of threads with continuous effects: wavy threads, spiral threads, loop threads (boucle, frotte) and chenille threads. Novelty yarns are available in different types of colors and textures. These fabrics are used for many products such as dresses, draperies and bedspreads. The evaporation of the ready yarn produces a wavy effect in the fancy thread. It is also produced on a knitting base – i.e. Sharing Knowledge: Students, teachers and professionals can publish your article here. A binder strand may or may not be used. A return to our classic Basics line, this time for crochet! In this case, the thermoplastic core of the chenille thread is inserted in order to strengthen the hairy effect of the chenille thread and to prevent fibering off during processing on knitting machines and also during the use of knitted goods. Vigurex printing can be done on the tape of staple fiber, followed by a process of elongation and twisting. 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. binder strand . This makes it possible for producers to make large profits very quickly. Narrow ribbon-like fabrics with one or more rows of stitched thread forming the basic structure of the yarn. Fancy or novelty yarns are of decorative purpose. 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). The most common types of novelty yarn are bouclé yarn, consists of two or more strands of fibers held together by twist or some other mechanism ... narrow ribbon-like fabrics with one or more rows of stitched thread forming the basic structure of the yarn: Term. 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. 6.1). 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. Download : Download full-size image; FIGURE 8.8. 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. The thread does not create problems during processing due to the selection of optimal raw materials. The floating yarn is then passed under one of the opposite yarn before repeating the process again. In general, fancy yarns may be divided into two major categories [4,7,18]: monofancy yarns and compound fancy yarns. Computer-aided designing and manufacturing in knitting have made it possible to manufacture any desired structure within a short time at reasonable price. 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. A blend of cotton, silk, wool, and viscose, this yarn will add texture to knit and crochet projects. Continuous filament yarn Continuous filament yarns are the simplest in the structure. Another member of the group of threads with continuous effect is loop-thread. KEYWORDS: Fancy Yarn Quality & Fancy Yarn Structure INTRODUCTION Fancy yarns, or novelty yarns, are defined by as “special products of carding, drawing, Dref spinning, rotor If the direction of twist in the component yarns is kept different, the plying operation will produce an unbalanced twisted spiral yarn. Textured and many other fancy yarns can easily be knitted and converted to light weight fashion garments. yarn manufacturing plant, numerous bales are used in a lay-down to further blend out variation. Types of Neckties | How to Wear Men’s Tie or Neckwear to Fashion. Chenille yarns (Fig. 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. The difference between these two types of thread derives from differences in the production process. Classification of yarn according to structure: Continuous filament yarn Staple yarn Core spun yarn Novelty yarn Stretch yarn High bulk yarn 7. This weave is achieved by ‘floating’ the warp or weft yarn over four or more of the opposite yarn. Chenille yarns are also used in knit fabrics to make bulky sweater knits. Novelty bulky yarns may make the fabric hard to handle. Common types of Novelty Yarns: Bouclé: Loopy and bumpy. It should be pointed out that some fabric is called ‘chenille’ even though it does not contain chenille yarns. By mechanically assembly or twisting of staple fibers together spun yarns are made. The fasciated structure of bouclé yarns made by using a hollow spindle machine. 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. The common kinds of novelty yarns are: Chenille-It is smooth and velvety and can be tricky to work with. According to the classification, depending on the structure of the thread, there are fancy threads with continuous effects and point effects. Yehia E. Elmogahzy, in Engineering Textiles (Second Edition), 2020. The differences in the appearance of the various yarns are largely dependent on the extent of prominence of the effect strand. Others are produced using a special spinning preparation in which blends of various fiber colors or fiber types that form fancy slivers are used. It is a platform to express your knowledge throughout the world. In general, there are three basic classifications. 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. Single yarns include spun, monofilament, and multifilament yarns. 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. 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]. R.A. Angelova, in Advances in Yarn Spinning Technology, 2010, The commercial significance of fancy yarns increases continuously due to the abundance of possible effects and their aesthetic influence on the look of knitted and woven fabrics. 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. The chenille threads are usually imported from Italy. (of a fabric or garment) having a pattern or design produced by a novelty weave. Single yarn, the simplest type of yarn, is commonly produced by twisting together staple or filament fibers. Blending of regular polyester fibres with cationic dyeable polyester can be used to get attractive colours, contrast and fancy effects. Chenille: Although tricky to knit with, this yarn … Simple yarns consist of single or plied yarns that are uniform in size, smooth and have an equal number of twists and turns along the strand. Currently, customers of fancy yarn are especially interested in KDK thread (Knitt de Knitt). Let's look at each of them. 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. In the simplest weaving arrangement, alternate warp yarns are over or under the shuttle as it moves in one direction and the warp yarn positions are reversed for the return stroke of the shuttle. Sadhan Chandra Ray, in Fundamentals and Advances in Knitting Technology, 2012. It is composed of two 1/1 ribs interlocked together with crossed sinker wales (Figure 1 a). They are used in ladies outerwear, mens jackets, knitwear, ties, furnishings, curtains and upholstery. base strand . Fancy yarns are made with a distinctive irregular profile which is different from basic single and folded yarns. Copyright © 2020 Elsevier B.V. or its licensors or contributors. Novelty yarns are classified according to the single or ply structure: Single yarns are Tweed and Slub Yarns. Novelty yarn. The binder strand is usually small and is often not readily visible. 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. Cotton is the most important of the raw materials for the textile industry. It is built on a base of two core threads and one effective thread, which creates the loops on the surface. 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. The softness of chenille yarns makes them vulnerable to rubbing; consequently, fabrics containing them do not wear well because of a low abrasion resistance.4,15 Chenille yarns are used as crosswise yarns in a woven fabric to create a velvet-like surface or occasionally placed in the filling to add surface effects. Spiral = Mock spiral, mouliné, jaspé, Gimp = Frisé, caterpillar, ondé, Slub = Ground slub, injected slub, injected flame (also called tear-off flame), Knop = Knot, nep, noppé, button, reverse caterpillar, flake, Loop = Bouclé, frotté, prong, mock-spun chenille, Chenille = Woven chenille, plied chenille, Figure-2: Structure of fancy yarns with type of effects, Yarn not found available or yarn delivery is delay, Fancy Yarn | Types and Classification of Fancy Yarns | Basic Principle of Fancy Yarn, Basic Parts of Sewing Machine and Its Function, Step by Step Fashion Design Development Process, Different Types of Seams and Their Uses on Garments. The differences in the appearance of the various yarns are largely dependent on the extent of prominence of the effect strand. Shetland yarn: The 2-ply yarn used for sweaters. Examples of fancy yarns [4,7,18]. 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 the third one acts as a binder to secure the effect strand to the core strand. Texturized yarns made exclusively from continuous filaments can also be considered as a form of fancy yarn. 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. 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. that ties the effect yarn to the base yarn if binding is necessary. This group contains threads known as frotte. E. batten. They both have an effect strand that lies closer to the core strand than is typical in boucle and loop [4]. You guessed it: blue. chenille yarn, loop yarn, slub yarn, snarl yarn. Yarns are grouped into simple and novelty (specialty) yarns. 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. 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. 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. A woven fabric with a count of 144 X 76 A. is unbalanced. In: Journal of Thermoplastic Composite Materials 17 (2004), No. Novelty yarns are often weak and have poor abrasion resistance. The binder. For example, the corkscrew yarn shown in Fig. The base or core yarn 2. Devices used to create these types of yarn have been available since the 19th century. Carry along feathers, loops or eyelash yarns to create new textures and bring drama to your garments. Chenille yarns (Fig. of or pertaining to novelties as articles of trade: novelty goods; novelty items. 1 . Novelty yarns include a wide variety of yarns made with unusual features, structure, or fiber composition. Both gimp and ratiné yarns (Fig. All the yarns listed may be found in any fiber. 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