Pdf characteristic and application of knop fancy yarn. Below a chapterwise list is given for you to download. Flow chart of yarn manufacturing process textile flowchart. Wright, in specialist yarn and fabric structures, 2011. These mills start with raw bales of cotton and process them in stages until they produce yarn fibers twisted into threads used in weaving or knitting or cloth fabric or material constructed from weaving or knitting.
In this meeting product design, production schedule and responsibilities, buyer requirement in all aspect of product quality, and production completion deadline are discussed. Yarns play an important role in the fabric manufacturing process since a majority of the textile materials are constructed with yarns. By this process, the yarn has been divided into two parts, base yarn part and slub. In ultraspin, the thin places are completely avoided by. How to build a hinged hoophouse for a raised bed garden duration. Fancy yarn, gradient yarn, mottle yarn, injected slub yarn, mosaic yarn, variosiro yarn, glow yarn cite this paper. The basic principle behind the production of injection slub yarn is, slub portion will be injected at random over the continuous running of base yarn. Process control and yarn quality in spinning woodhead.
If you want to make a yarn you will have two method to follow. Whirl inserts in the shaft may produce special effect slub yarns. A computerbased system for evaluation of slub yarn. A slightly smaller faceplate combined with a larger rotor may enhance the slub effect. Our product range is used in fashion industry for designing garments, woolen clothes, highend shirting, household linens and many more. Our company holds specialization in manufacturing, exporting and trading high quality slub yarn. Amsler has developed a special flameeffect yarn which is designed to stir the emotions. For the process of weaving a warp yarn requires greater strength which a single ply yarn is insufficient to provide. As a textile engineer you should know about the major woven fabric faults which produced during woven fabric manufacturing. Therefore, the first step for the manufacture of slubyarn fabric is to analyze the parameters of the slubyarn. In ring spinning system traveller is the most essential component for spun. Garment manufacturing process from fabric to finished product. Textile mills purchase cotton and receive the bales from gin yards or cotton warehouses. Study on the production techniques for various colorful mono fancy yarns in ring spinning frame and glow yarn figure 6.
Each pair of rollers spins faster than the previous one. Faulty woven fabrics hampers the total quality of woven garments such as shirt, pant, trouser, jacket etc. Slub yarn manufacturing equipments spinning yarn making. Sampling process helps production team start the bulk production without many issues. By this process, the yarn has been divided into two parts, base yarn part and slub part. Recognition the parameters of slubyarn based on image analysis. Basic information on amsler sde mc tc system long slub is not a mc yarn type twist characteristic is different on thick place which is called slub when comparing with normal yarn base yarn ideal base and thick length of mc,tc yarn should be min.
Spinning includes all the processes required to prepare and clean the fibers from the opening of the bale to the twisting of the yarn in its preparation for the textile loom. Yarn dyeing initially, the yarn is soaked in soap water for 24 hours to remove the dirt and other foreign. This video will show how to process spin inject yarn special type of yarn. Improper utilisation of the features of the winding machine. Production process the main operational process for production of towels and bed sheets in cluster units are. All yarns are originally spun as single yarns, but for certain end uses, single yarns may be twisted together to produce a ply yarn. Introduction cotton incorporated developed a process for producing a random slub rotor yarn by using small. Slub is produced by the speed variation of back and middle rollers. Khalilur rahman khan, study on the production techniques for various colorful mono fancy yarns in ring spinning frame and glow yarn, international journal of textile science, vol. Basic principle behind the production of injection slub yarn is, slub portion will be injected at randomover the continuous. The practical count range of yarn from this process is projected to be ne 301 and coarser. The spindle is driven usually at an angular velocity that is either constant or changes only slowly and the. Yarn spinning system is the collective term which describes the sequence of processes that are required to produce a yarn where spinning is the last process in the production of a single yarn. Lrt has predicted the demand well in advance and joined hands with caipo, italy, a forerunner in slub yarn manufacturing systems, which cater the needs of this market since 1963.
Recognition the parameters of slub yarn based on image analysis. The main aim of this study is to determine the statistically significant descriptive parameters that. The samples were produced using a practical slub yarn production system. Amsler tex ag brings diversity to textiles and an air of extravagance to classic wears, socalled saltandpepper effects on knitted garments. Different types of fancy yarns and their uses textile course. In the ring frame, there is a servo motor with slub gear and another with twist gear. Method of producing slub yarns us3309752a en 19660328. Tufting is the process of manufacturing some carpets and similar structures. Therefore, if the slubs are shorter than 20 millimeters, they were considered as base yarn part. Process for manufacturing slub yarn us3312052a en 19650507. To ensure the fibers form standing piles on the core strand, flocking is usually carried out in an electrical field. Fancy yarns have wideranging application in apparel at all levels of the market. A surface yarn system of loops is sewn or stitched through a primary backing fabric, usually a woven or nonwoven fabric.
The present research study was aimed to evaluate the quality characteristics of slub fancy yarn by changing slub length, inter slub distance, slub thickness and twist multiplier t. In textile industry, woven fabric is produced by interlacing warp and weft yarn. The statistical summary of ring spun and slub yarns properties measurements are given respectively in tables 4a and 4b. The title of our project is comparative study on ring, rotor and airjet spun yarn. Pdf effect of descriptive parameters of slub yarn on strength and. Pdf effect of machine setting parameters on ring slub carded. Inject yarn manufacturing process spinning process. The twisting process by which fibers are formed into a yarn is referred to as spinning. A faster and more economical process for making chenille yarns is flocking.
Strength and elongation have a great effect on slub yarn performance in production and usage. By spinning slub yarn with predictable, repeating slubs, the material woven from it. Doubling in the doubling process, thin single yarn is converted to double yarn for strengthening the yarn by using doubling machine. The gardening channel with james prigioni recommended for you. Yarn countsliver hank yarn count is the numerical expression of yarn, which defines its fineness or coarseness. Pdf a computerbased system for evaluation of slub yarn. The strength of a single yarn is always lesser than that of a double ply yarn. Lakshmicaipo, leader in slub yarn system provider, successfully installed 1,80,000 spindles in a short period of two and a half years. Process for making alternating twist slub yarn using a fluid vortex. Introduction to spinning process online clothing study.
The yarn issuing from the drafting rollers passes through a threadguide, round a traveller that is free to rotate around a ring, and then onto a tube or bobbin, which is carried on a spindle, the axis of which passes through a center of the ring. Prior to the actual production, we are able to project on a computer screen the virtual. Cotton expert ms welcome to the world of fancy yarn by amsler tex. One is carded yarn manufacturing process and another is combed yarn manufacturing process. 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. While it was once seen only as a defect, slub yarn is now intentionally created to give fabric more personality. Spinning is the twisting together of drawn out strands of fibers to form yarn. Slub yarns are frequently used for fabric production. For exam ple, the actual slub length of slub yarn is not exactly equal to the length designed in actual yarn production. Automatic determination of slub yarn geometrical parameters. Pdf effect of descriptive parameters of slub yarn on. Textile spinning process of cotton yarn textile learner.
Liu and lu 5 introduced a method for recognition of the three slub yarn parameters based on fft. Authority us united states prior art keywords yarn slub slubs jet length prior art date 19660729 legal status the legal status is an assumption and is not a legal conclusion. Mosaic yarn production injection slub yarn is a specialized fancy yarn and it is made up of two different materials, one for slub portion and the other for base yarn shown in fig5. Yarn is a generic term for a continuous strand of textile fibers, filaments, or material in a form suitable for knitting, weaving, or otherwise intertwining to form a textile fabric. The slub yarn samples required were produced, bforce and elongation tests were. Some of end products images are given below for your. The loops are arranged in vertical columns rows and horizontal lines stitches. Us4124924a process for making slub yarn from continuous. Recognition the parameters of slubyarn based on image. The traditional method for analyzing the parameters. Study on the production techniques for various colorful.
Effect of descriptive parameters of slub yarn on strength and. Spun yarns are produced by placing a series of individual fibres or filaments together to form a continuous assembly of overlapping fibres, usually bound together by twist. Injection slub yarn is a specialized fancy yarn and it ismade up of two different materials, one for slub portionand the other for base yarn. Yarn winding can thus be viewed as simply being a packaging process, forming a link between the last few elements of yarn manufacturing and the first element of fabric manufacturing process. Fiber processing specifications for producing random slub ring yarn general procedure. Slub yarn refers to yarn that has been purposely spun with slubs thicker sections along the yarn. In this machine, the packages made in the autoconer are used. Theoretical profile of ringspun slub yarn and its experimental. Types in todays market most of fancy yarn systems available produce thin place occur before and after slub yarn, which leads to more breakages in down streaming process of knitting and weaving. This process is done by thresholding slub yarn signal using the initial approximated value of base yarn mean as a. By doubling the yarn the strength of the yarn increases many folds.
A computerbased system for evaluation of slub yarn characteristics. Wider groove rotors are recommended for slub yarn production. A pre production meeting is conducted at the factory by the merchandising team. A study of the basic parameters describing the dynamical analysis of. The development work was based on an injection process. Expired lifetime application number publication date. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. The results of tested slub yarn samples showed that actual slub geometrical. The plying twist is in the opposite direction of the singles twist. Both the material will be dissimilar in nature, colour and character. Drawing, in yarn manufacture, process of attenuating the loose assemblage of fibres called sliver q.
Slub yarn process and product download pdf info publication number us3433007a. Among them ring, rotor and airjet spinning are mostly used. In this process, two yarns are twisted together and short fibres are injected into the formlocking connection. Traveller wire profile f flat dr half round udr ultra wide half round fr flat round traveller shape low bowed low to medium bowed high bowed only for cotton fine cotton yarns, blends, synthetics and slub yarn for cotton, blends, slub yarn for core yarn with pes core acrylics, delicate fibers and core slub yarn fine cotton and. Injected slub yarn manufacturers, poly injection cotton. An automatic method for characterizing the parameters of ring slub yarn is. This random slub process can be a costeffective alternative for producing novelty slub yarns on rotorspinning machines. Fluted navels may enhance the spinning stability of slub yarns. Back and middle rollers get motion from the same gearing and the front rollers get motion from separate gearing. For the slub yarn, the properties u%, thik, thin, bout and pilo were not measured as the flame yarn presents provocative irregularities in its.602 1187 663 727 652 965 629 38 1039 1587 914 577 965 886 1137 517 86 1384 1030 902 908 1236 1586 691 1210 1180 98 1427 1011 180 413 368