Spinning Daily Presents: Spinning for Beginners
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Influence of Process Parameters on the Properties of Friction-Spun Yarns
Indian Journal of Fibre & Textile Research Vol.18,March 1993,pp.14-l9 Influence of process parameters on the properties of friction-spun yarns A R Padmanabhan & N Ramakrishnan The South India Textile Research Association, Coimbatore 641 014, India Received 9 June 1992; revised received 23 October 1992; accepted 24 November 1992 The effects of spinning drum speed, yam delivery rate, core-wrapper ratio and number of wrapper slivers on the quality characteristics of yams spun on a laboratory model DREF-3 friction spinning ma- chine have been studied. It is observed that by and large, drum speed and per cent wrapper fibres deter- mine the yarn tenacity while the delivery rate and the per cent core fibre content influence the yam un- evenness. Keywords: Carding drum, Drum speed, Friction-spun yarn, Yarn tenacity, Unevenness, Wrapper fibres t Introduction drafting unit II with different core-to-wrapper ratios The quality of the yarn obtained from any spinn- and at different delivery rates. ing system depends on the quality of raw material In each count, 12 yarn samples, three for each of used as well as on the process parameters employed the four process variables, were produced by suit- during spinning. Friction spinning is no exception to ably altering the spinning parameters as listed in this. While many research workers have studied in Table 2. While varying the parameters, care was tak- detail the influence of process variables on yarn en to ensure that only one parameter was changed at quality in both ring and rotor spinning, such an in- a time, keeping the other three at the following opti- formation with regard to friction spinning appears mum level as suggested by the manufacturer. -
Textile Industry Needs Christopher D
The Journal of Cotton Science 21:210–219 (2017) 210 http://journal.cotton.org, © The Cotton Foundation 2017 ENGINEERING & GINNING Textile Industry Needs Christopher D. Delhom, Vikki B. Martin, and Martin K. Schreiner ABSTRACT lthough the immediate customer of the gin is Athe cotton producer, the end user of the ginned The immediate customers of cotton gins are lint is the textile mill, retailers, and eventually the the producers; however, the ultimate customers consumer. Thus, it is essential for the ginner to are textile mills and consumers. The ginner has satisfy both the producers and the textile industry. the challenging task to satisfy both producers and Consequently, the ginner needs to be aware of the the textile industry. Classing and grading systems needs of the textile industry. are intended to assign an economic value to the The intent of the cotton classing and grading bales that relates to textile mill demands and the system is to assign an economic value to the bale that quality of the end product. International textile documents its properties as it relates to the quality of mills currently are the primary consumers of U.S. the end product. Since the last edition of the Cotton cotton lint where it must compete against foreign Ginners Handbook in 1994, the customers of U.S. origins. International textile mills manufacture cotton have changed radically, shifting from primar- primarily ring-spun yarns, whereas domestic mills ily domestic to international mills. International mills manufacture predominantly rotor spun yarns. Pro- have been accustomed primarily to hand-harvested ducers and ginners must produce cottons to satisfy cotton that has been processed at slow ginning all segments of the industry, i.e., domestic and in- rates. -
Self-Determined Family Living Division
2009 Clark County Fair Exhibitor Handbook 4-H Family & Consumer Science Division Page 21 of 48 SELF-DETERMINED FAMILY LIVING DIVISION SPINNING Superintendent: Deborah Reida (360) 687-5274 CLASS 675: BLENDING FIBERS 1. On a 3”x 5” index card, state your age and how long you’ve been enrolled in the spinning project. 2. Must provide clean, uncarded fibers of the same fibers used to produce the exhibit. Put the index card and fibers into a small ziplock bag, and attach this to the exhibit. 3. Lots A through E, submit three (3) rolag for each lot. 4. Lots F through J, submit 1 batt for each lot. Points: Blue-7, Red-5, White-3. LOTS: A. Sheep wool/sheep wool - hand carded B. Sheep wool/animal fibers - hand carded C. Sheep wool/natural fibers - hand carded D. Sheep wool/synthetic fibers - hand carded E. Other - hand carded F. Sheep wool/sheep wool - drum carded G. Sheep wool/animal fibers - drum carded H. Sheep wool/natural fibers - drum carded I. Sheep wool/synthetic fibers - drum carded J. Other - drum carded CLASS 680: ROLAGS Have the following information for each exhibit: 1. On a 3”x 5” index card, state your age and how long you have been enrolled in the spinning project. 2. Must provide clean fiber(s) used to produce the exhibit. 3. Lots A through C- submit three (3) rolags each. Put the index card and fibers into a small ziplock bag, and attach this to the exhibit. Points: Blue-6, Red-4, White-2. LOTS: A. -
Using Cotton Sliver Draft Force to Evaluate Textile Processing Efficiency, Part I
USING COTTON SLIVER DRAFT FORCE TO EVALUATE TEXTILE PROCESSING EFFICIENCY, PART I D. D. McAlister, III, J. D. Bargeron, L. C. Godbey ABSTRACT. Fiber bundles in sliver form more closely represent the fiber bundles commonly used in commercial testing. Therefore, this experiment focused on studying drafting force using untwisted fiber bundles (sliver) rather than twisted fiber bundles (roving) as had been previously studied. Four cottons of similar micronaire but different lengths were utilized for this experiment. Ring spun yarns of three different linear densities were produced from each cotton to cover the range of coarse to fine yarns commonly produced in a textile mill. Fiber quality, processing quality, and yarn quality were measured for each cotton in addition to finisher sliver drafting force. The analysis of the data indicates that short fiber content has the greatest impact on drafting force. In addition, it appears to be possible to determine processing waste and spinning efficiency levels through the determination of drafting force of sliver. Keywords. Cotton, Textile processing, Fiber quality, Short fiber content, Drafting force. pinning technology is advancing far beyond predict- and against metal (fiber-to-metal) and found a strong rela- ing cotton fiber performance from the fiber proper- tionship (r = 0.85) between fiber crimp and fiber-to-fiber co- ties reported by High-Volume Instruments (HVI) hesion with a RotorRing test method. In earlier work, and used for the marketing of cotton. Currently the convolutions in cotton fiber (similar to crimp in synthetic fi- fiberS properties measured by HVI are length, length unifor- ber) were found to play an important role in the friction be- mity, strength, micronaire, color, and trash. -
Man-Made Staple Fibres
Chapter 55 Man-made staple fibres Note. 1.- Headings 55.01 and 55.02 apply only to man-made filament tow, consisting of parallel filaments of a uniform length equal to the length of the tow, meeting the following specifications : (a) Length of tow exceeding 2 m; (b) Twist less than 5 turns per metre; (c) Measuring per filament less than 67 decitex; (d) Synthetic filament tow only : the tow must be drawn, that is to say, be incapable of being stretched by more than 100 % of its length; (e) Total measurement of tow more than 20,000 decitex. Tow of a length not exceeding 2 m is to be classified in heading 55.03 or 55.04. _________________ Heading H.S. Code 55.01 Synthetic filament tow. 5501.10 - Of nylon or other polyamides 5501.20 - Of polyesters 5501.30 - Acrylic or modacrylic 5501.40 - Of polypropylene 5501.90 - Other 55.02 Artificial filament tow. 5502.10 - Of cellulose acetate 5502.90 - Other 55.03 Synthetic staple fibres, not carded, combed or otherwise processed for spinning. - Of nylon or other polyamides : 5503.11 -- Of aramids 5503.19 -- Other 5503.20 - Of polyesters 5503.30 - Acrylic or modacrylic 5503.40 - Of polypropylene 5503.90 - Other 55.04 Artificial staple fibres, not carded, combed or otherwise processed for spinning. 5504.10 - Of viscose rayon 5504.90 - Other 55.05 Waste (including noils, yarn waste and garnetted stock) of man- made fibres. 5505.10 - Of synthetic fibres 5505.20 - Of artificial fibres Heading H.S. Code 55.06 Synthetic staple fibres, carded, combed or otherwise processed for spinning. -
Start Spinning: Everything You Need to Know to Make Great Yarn Ebook
START SPINNING: EVERYTHING YOU NEED TO KNOW TO MAKE GREAT YARN PDF, EPUB, EBOOK Maggie Casey | 120 pages | 01 Apr 2008 | Interweave Press Inc | 9781596680654 | English | Loveland, CO, United States Start Spinning: Everything You Need to Know to Make Great Yarn PDF Book To make two-ply yarn, take two singles strands or both ends of the same strand , attach them both to your spindle, and twist them around each other in the opposite direction from how you originally spun them. When you spin, you put twist into fibres so that they hold together to form a continuous thread. Navajo Plying - Making a three-ply yarn 8. Designed to appeal to the beginning spinner, tips and hints are provided that illustrate how easy, enjoyable, and relaxing spinning can be. When I was in Kenya, women spun Romney wool chiefly "in the grease," but it often locked in large amounts of dirt in the process. Spin spin spin! Covers fiber characteristics, preparation and spinning, choosing a wheel, and crafting the finished yarn into useful and attractive pieces. I Made It! Leave the original loop of fiber anchored on the spindle hook. Description If you are a knitter or crocheter looking to take the step from just using manufactured yarn to making your own this is a great book to get you started. A bunch of loose fibers will fall apart if you pull on their ends. Launching a Patreon! First and foremost, you want a balanced drop spindle that spins true. Either one will do just fine to learn on. It is also much easier to learn to spin wool than silk, or cotton and other vegetable fibres. -
Senior Textile Artist Badge Workshop
Senior Textile Artist Badge Workshop An At-Home Program GSCCC Senior Textile Artist Badge Workshop (At-Home) • When you see fabrics, yarn, or string off all colors and textures what do you think of? Do you envision all of the things you could create? Let’s turn those visions into reality! Program Outline Materials: - Computer - Internet access - Materials for craft of choice Step 1: Choose your textile art There are a number of textile arts in the world from macramé to crocheting to quilting and much more. In this step you will be doing some research to learn about a textile art that you find interesting and that you would like to learn. Some of the most common textile arts are macramé, embroidery, cross-stitch, needlework, knitting, crocheting, weaving, and quilting. Do some research to find out about these or other textile arts. Below are some helpful links to start with. Here are a few links to get your search started – crochet, macramé, embroidery, weaving. Click here to see what some current textile artists are doing. Step 2: Find your tools and materials Now that you have chosen your art, you need to gather materials. Crocheting needs crochet hooks and yarn. Embroidery needs needles, embroidery floss, hoops, and fabric. Do some research about what you will need for your chosen textile art form. What all is involved? Do you know anyone who already has the supplies? Would they be willing to lend you some materials? Below are some great resources to learn about materials needed for the most common textile arts. -
This Tutorial Will Explain What a Balanced Plied Yarn Is, and H
An HJS Studio Tutorial: Spinning Silk Caps I am proud to welcome Carol Weymar, a self-taught spinner and dyer of silk caps. I was much struck by the beauty of her work when I saw her website, so I asked her to write an ar- ticle, as silk is something I have no skill spinning. I hope you'll be as inspired by her expla- nation as I was! About Silk Caps Silk caps are made from cultivated cocoons that have been degummed and stretched over a frame shaped like a bell. They consist of a number of extremely thin layers; each layer is one cocoon. A cap "bell" is roughly two dozen caps, weighing about a pound altogether, which are fastened together at their tops and covered by one large cap whose edges are drawn out and tied together at the bottom to make a neat bundle. Cap silk is one of the most underrated types of silk available to the handspinner. It has its quirks, certainly, but mastering this form of silk is well worth your effort. It displays the beau- tiful luster of all its sister silks, but has the advantage of being a nearly continuous fiber. This means you can spin it to a very fine thread and it will be strong. It makes an excellent warp. It is very versatile; you can spin it into beautiful yarns, you can draw it into fine roving and knit or embroider with it in its unspun form, and you can blend it with other fibers to add bright color and gleaming highlights. -
Reflecting Noble Luxury and Refinement, New Lightweight Wool Materials Are of Key Interest to Designers, Retailers and Bespoke Tailors
Reflecting noble luxury and refinement, new lightweight wool materials are of key interest to designers, retailers and bespoke tailors. Beyond demanding perfected fits and wool’s signature aesthetic, discerning consumers expect emotional, sensorial tactility in garments. Responding to luxury market demands, leading Italian and English spinners and weavers are introducing exclusive fine-micron yarns and fabrics, derived from rare Australian merino. Stylesight explores Baruffa Group’s finest wool yarns for first-class sweater knits, cut-and-sew jersey, and wovens. Vogue Australia December 2012 / Elizabeth Debicki in wool, on location at Haddon Rig, a Merino wool farm in New South Wales. With seductive, magnetic charm, lighter weight but often still densely constructed wovens and knits are key on men and women's runways and at textile trade shows. Wool—traditionally a winter fiber—evolves with cutting-edge superfine qualities from 150s and 180s up to 250s. Offering noble refinement and unique trans-seasonal possibilities, wool moves beyond its pastime connotations. Gossamer knits / Posh mesh / Lightweight jerseys / Dense, hefty yet lightweight wools Finest wool Fabrics F/W 13 Dormeuil Limited Edition - finest wool yarns Zegna Baruffa Lane Record Bale - finest wool fabric Loro Piana Borgosesia Finest wool Fabrics Taylor & Lodge Meticulous fiber selection from choice breeds, along with revolutionary spinning and weaving technologies, is core to new noble wool productions. Wools characterized by strength, elasticity, fluidity, low pilling and -
STITCH AWAY SCARF Pattern 1: “Quaker Ridging” (40 Sts) Row 1: Knit
STITCH AWAY SCARF Pattern 1: “Quaker Ridging” (40 sts) Row 1: Knit. Chicago Yarn Crawl Pattern 2019 Row 2: Purl. Row 3: Knit. This scarf was inspired by Barbara Walker’s Row 4: Purl. A Treasury of Knitting Patterns. There are seven Row 5: Knit. different stitch patterns used in this scarf, starting Row 6: Knit. out with easy and becoming more difficult. At Row 7: Knit. times you may need to increase or decrease the Row 8: Purl. number of stitches on your needles in order to Row 9: Knit. Row 10: Purl. accommodate the various stitch patterns. So, cast Row 11: Knit. on and “stitch away”! Row 12: Knit. Row 13: Purl. YARN: Kelbourne Woolens Germantown, 2 Row 14: Knit. skeins Repeat rows 1-14 until pattern 1 measures 8”. Needles: U.S. 8 Knit 5 rows. Knit 1 more row, increasing 1 after the initial K4. Cast on 40 stitches and knit every row for 6 rows. The first 4 stitches and last 4 stitches are knit Pattern 2: “Broken Rib” (41 sts) every row (garter stitch). You should place a Row 1: Knit th marker after the 4 stitch and before the last 4 Row 2: Purl stitches to “remind” you to work these stitches in Row 3: (K1, P1) repeat, end with K1. garter. The following stitch patterns are worked in Row 4: (P1, K1) repeat, end with P1. between these markers. Repeat these 4 rows until you have worked 8” in Pattern 2. Source: Walker, Barbara G., A Treasury of Knitting Patterns, published by Charles Scriber’s Knit for 6 rows. -
Sheep, Fleece, Wool, Staple Length, Fiber Diameter
International Journal of Textile Science 2015, 4(5): 97-101 DOI: 10.5923/j.textile.20150405.01 Variation in Fleece Characteristics of Tunisian Sheep T. Harizi1,*, F. Abidi1, R. Hamdaoui2, Y. Ben Ameur2 1Textile Engineering Laboratory, University of Monastir, Monastir, Tunisia 2Technical Center of Creation, Innovation, and Supervision in Carpet and Weaving, Tunis, Tunisia Abstract This experiment was aimed to identify wool quality of Tunisian sheep breeds. Fiber characteristics of different ages and various sheep breeds were studied. A total of 84 sheep were used in this study. Results show that the factor 'breed' had a highly significant effect on all controlled parameters accept scoured yield and fibre length. Breed was the most important factor. By conducting well-planned sorting, “Fine Queue of west” sheep breed can supply the wool needed for textile industries. The wool of other sheep breeds can be used in handmade carpets. Keywords Sheep, Fleece, Wool, Staple length, Fiber diameter special criteria. These include fibre diameter, fibre length, 1. Introduction luster (’shinyness’), crimp (’wavyness’) and percentage yield of clean fibre from raw fibre, following scouring Sheep farming in Tunisia occupies an important place in (washing) to remove vegetable and mineral contaminants the economic and social level, on the one hand, it can cover and wool grease. In the literature, several researches report 41% of the consumption of red meats [1] and secondly, it the effect of age, breed, sex… on fleece characteristics. contributes at 35-40% of agricultural GDP and 4 to 5% of In order to optimum use of Tunisian sheep wool, it is global GDP [2]. -
Technical Product Guide
strength in materials Technical Product Guide www.agy.com Table of Contents Corporate Overview AGY provides the best quality, highest performance, and broadest range of glass fiber yarns, rovings and chop products to Corporate Overview .............................1 a wide variety of markets and end uses. Although founded as an independent entity Glass Fiber Manufacturing ...................2 in 1998, AGY has a 50+ year history of serving the composites industry. Nomenclature ......................................3 Globally, AGY has over 600 employees Conversion Tables ...............................6 involved in production, sales, distribution and development of our products. Our AGY Glass Yarns .................................8 world headquarters, technology center and manufacturing facility are located in Aiken, AGY Glass Rovings ...........................14 SC U.S.A. AGY Chopped Glass ..........................16 We also have commercial and administrative offices in Lyon, France, and AGY Packaging Specificaions ............18 a commercial office in Shanghai, China. AGY Sizing Systems ..........................20 Typical Fiber Properties .....................26 Glossary of Terms ..............................28 strength in materials 1 Glass Fiber Manufacturing Glass Fiber Nomenclature AGY glass fibers are made from molten glass. The viscous liquid is General drawn through tiny holes at the base of the furnace to form hair-like Glass fiber yarns are typically identified by either an inch-pound based system (U.S. customary system) or a TEX/metric system (based on the SI*/metric system). filaments. A protective sizing, applied as the filament cools and This section gives a brief description of glass fiber yarn nomenclature, including hardens, helps prevent abrasion during additional processing and comparisons of the two systems (see table on page 4). A more comprehensive makes the glass compatible with various resin systems.