Last edited by Gardakus
Friday, April 17, 2020 | History

3 edition of Defects in knitted fabrics. found in the catalog.

Defects in knitted fabrics.

British Standards Institution.

Defects in knitted fabrics.

  • 177 Want to read
  • 35 Currently reading

Published by B.S.I. in London .
Written in English


Edition Notes

SeriesBS 7343 : 1990
ID Numbers
Open LibraryOL15071316M
ISBN 100580187993
OCLC/WorldCa655415905

Quality is the most perspective demand in the produced textile fabrics which mainly viable by two factors one is fabric properties and other fabric defects. We have done our experimental part with some process controlling data for six knit fabrics and we got shrinkage is the most problem of finishing process.   Little about Fabrics: Textile fabrics are available in three main categories - knitted, woven and non-woven fabrics. Fabrics are manufactured in textile mills, and power looms sectors. Later, greige fabrics are finished as per the buyer’s (garment manufacturers) requirement. For example, one piece 60 yards long would be allowed to have six defects. Another system for evaluating piece goods is the Four-Point System. In this system, you should inspect at least


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Defects in knitted fabrics. by British Standards Institution. Download PDF EPUB FB2

Knitted fabrics (Figure 12) are created by intermeshing loops of yarns using knitting needles (Leong et al., ).Depending on the direction in which the loops are formed, knitted fabrics may be broadly categorized into two types—warp knitted fabrics (Figure 12(a)) and weft knitted fabrics (Figure 12(b)).By controlling the loop (stitch) geometry and density, a wide variety of knitted.

30 Defects in Knitted Fabrics. Defects in Knitted Fabrics, skew, bias, bowing, twisting, knots, thick yarn, thin yarn, uneven yarn structure, course yarn, slub, needle line, needle run, fabric run, holes, cloth fall out, bunching up, shade bar, barre, fly yarn contamination, fabric.

It has been successfully applied for the detection of local fabric defects in weaves [33e44] and knitted fabrics [45]; the determination of fiber orientation in paper sheets [46], nonwovens [47, About this Item: McGraw-Hill, publishers, New York, hardcover, 6¼" x 9¼" (lacks jacket) Within this book's pages actual defects encountered by the author in his experience of 20 years in close contact with the manufacture, dyeing, and finishing of cotton, rayon, and other man-made fobres and blended yarn fabrics are described, as well as the garments fabricated therefrom.

Lastly, the most common defects in knitted fabrics are highlighted, with a discussion of their causes and the precautions that can be taken against them.

Knitted fabric quality. Before discussing quality control in the knitting process, it is necessary to clearly define the term ‘fabric quality’.Author: K.F. New book: Advances in Knitting Technology 0 comment With knitted textiles and apparel representing approximately one third of the global textile market, the book provides an updated reference to knitting technology, with specific focus on the developments in knitted fabric production and textile applications.

If thick & thin places remain in yam & fabric is knitted with that yarn, then, this problem found in fabric. Fig: Thick Thin Place 19 Causes of Fabric faults due to Knitting Almost all the defects appearing in the vertical direction, in the knitted fabrics, are as a cause of bad Knitting Elements.

for needle cut defects in knitte d fabric, and knitted fabrics are more pro ne to damages during sewing because of loop int erlacement and higher elastici ty. Therefore, a critical and.

Knitted fabric defects by Hailay 1. Hailay kidane,wollo university,[email protected] 2. defect of the knitted fabric A defect of the knitted fabric is an abnormality which spoils the aesthetics i.e. the clean & uniform appearance of the fabric & effects the performance parameters, like; dimensional stability etc.

A defect of the knitted fabric is an abnormality which spoils the aesthetics. Two knitted fabrics can be joined by embroidery-based grafting methods, most commonly the Kitchener stitch. New wales can be begun from any of the edges of a knitted fabric; this is known as picking up stitches and is the basis for entrelac, in which the wales run perpendicular to one another in a checkerboard pattern.

A Catalogue of Visual Textile Defects Aasim Ahmed TS3B. Foreword in a knitted fabric for example can turn up due to a variety of reasons. To name a few Defects have been illustrated in section 3 based on the procedure of arrangement explained in section Size: 1MB. List of Fabric Defects (Woven, Knitted, Terry and Velvet Fabrics) #Fabric_Defects #Woven #Knitted #Terry #Valvet.

These defects are classified as Defects in Yarns, Defects in Fabric, and Defects in Towels. Causes and Impacts of these defects are further explained and respective images are also attached with the defects. Defects in knitted fabrics: 1. Needle & sinker lines. 21 Defects in Knitted Fabrics ; 22 Testing of Knitted Fabrics ; 23 Production Calculations ; 24 Costing of Knitted Fabrics ; 25 Processing of Knitted Fabric ; 26 Relaxation of Knitted Fabric ; 27 Developement Process of Knitted Fabric ; 28 Sourcing of Knitted Fabric ; 29 Garment Manufacturing of Knitted Fabrics ; 30 Seamless Knitting.

Identification of knitted fabric defects: It is very natural that in the course of knitting fabrics, imperfections occur. The imperfections may be the result of faulty yarn, knitting machine. Textile - Textile - Dyeing and printing: Dyeing and printing are processes employed in the conversion of raw textile fibres into finished goods that add much to the appearance of textile fabrics.

Most forms of textile materials can be dyed at almost any stage. Quality woollen goods are frequently dyed in the form of loose fibre, but top dyeing or cheese dyeing is favoured in treating worsteds.

The causes of these defects are enlisted below: 1. Flushing/Wicking: Caused due to Low viscosity of print paste. It occurs when the printed area bleeds out into the unprinted area. The result is a haloing or shadowing effect around the outline of the pattern design. Mechanics of plain-weft knitted fabrics: 3D model 59 Knitted fabric mechanics: energy model 66 Knitted fabric pressure on a surface 72 Heat and water vapour diffusion in fabrics 80 References 83 Appendix: initial guess estimates 84 Part II Advances in knitting 87 4 Intelligent yarn delivery systems in weft knitting This book provides an updated reference to Knitting technology, with specific focus on the developments in knitted fabric production and textile applications.

The first set of chapters begin with a brief review of the fundamental principles of knitting, including the types and suitability of yarns for knitting as well as the properties achieved. The aim of this book is to provide the background of the warp knitting patterning with a large amount of simulated 3D images of the structures, corresponding to the modern available tools for this.

The warp knitted structures can have very complex architectures and very limited understanding exists. INTRO TO FABRIC CATEGORIES WEFT VS WARP KNITS SINGLE KNITS DOUBLE KNITS TRICOT KNITS RASCHEL.

ASTM's textile standards provide the specifications and test methods for the physical, mechanical, and chemical properties of textiles, fabrics, and cloths, as well as the natural and artificial fibers that constitute them. The textiles covered by these standards are commonly formed by weaving, knitting, or spinning together fibers such as.

The fabrics which are produced by interlacing one set of yarn are known as knit of knitted fabric. It should be noted here that, knit fabric and knitted fabric are same. #N#Fig: Knit fabric. Types of Knit of Knitted Fabric: There are so many knit fabrics produced in today’s modern textile knitting sector which are presented in the below.

Thanks for the most helpful info. Have made notes in my sewing book, but will also bookmark this. New to working with knits & with ordering fabric on line –.

Knitting techniques can be defined as follow. The processes in which fabrics are produced by set of connect loops from a series of yarns in warp or weft direction is defined as knitting.

Different knitting machines are use to perform this techniques. Mainly two types of. 8 Sewing Faults With Causes and Remedies: Sewing section is the most important department of garments manufacturing factory.

Maximum faults are arise here which hamper the total quality of apparel. There are mainly eight types of sewing faults seen in the sewing section of readymade garments factory which are explained in this article with their causes and remedies.

Analysis of knitted Fabric Faults & Their Remedies 3 3 Content Introduction Causes of Fabric faults due to yarn Causes of Fabric faults due to knitting Causes of Fabric faults due. causes analysis of knitted fabric faults.

To do so we. KnitUK shop: all products you need for your next handmade projects: knitting yarn, knitting loom, needles & hooks for knitting, crochet, tunisian, knooks, tapestry and cross-stitch.

Also, a variety of Knitting, Crochet and the Art & Craft Kits. Normally fabric roll containing 40 points per square yard are acceptable. Also Read: 4 Point System - Acceptable Level. Example: A fabric roll yards long and 46 inch wide contains following defects.

4 defects up to 3 inch length. 3 defects from 3 to 6 inch length. 2 defects from 6 to 9 inch length. 1 defect over 9 inch length. Textile School incorporates knowledge associated to textiles right from fibers to its end usage including textile processes, trade-offs, know-how and textile standards.

The site is intended for all spectrum of users to learn and share the textile knowledge from a single platform. Full text of "Fabric defects; case histories of imperfections in woven cotton and rayon fabrics" See other formats.

Woven fabrics are made by using two or more sets of yarn interlaced at right angles to each other. Knitted Fabric Knitted fabrics are formed by series of interlocking loops (example: knit wears) Sewing Thread 1. Sewing Thread is a type of yarn used for sewing. Various types of fabric. Bow or skew can be induced during fabric manufacturing, dyeing, tentering, finishing, or other operations where a potential exists for uneven distribution of tensions across the fabric width.

Bow and skew are more visually displeasing in colored, patterned fabrics such as plaids and horizontal stripes rather than in solid colors because the contrast makes the distortion more prominent.

fashion, later knitted pullovers, cardigans, skirts, men's underwear, sportswear and swimwear became popular. Developments in the 20th century increased the production speeds of the machines and offered wider choice to pattern the knitted fabrics.

Now computer controlled knitting machines have. come on the scene, which are highly versatile. fabrics because the apparatus is designed for woven and knitted fabrics. defects. Color contrasts often occur when printed fabrics are snagged.

distortion, n— in fabrics, a general term for a visible 4 Annual Book of ASTM Standards, Vol Once the color and aesthetics have been checked and approved, begin the visual inspection for defects.

Defects which are not desirable and are clearly detectable on the inspection frame will be assigned points as shown in the Four Point Table.

The Four Point system will be applied to all fabrics, i.e. woven, circular knit and warp knit. Knitted textiles and apparel represent approximately one third of the global textile market, together with the advances of new technical applications for knitted textiles. This book is an important text for designers, engineers and technicians involved in the manufacture and use of.

Knitted Fabrics Colouring Braiding Lace Nonwoven fabrics Bonded Fabrics Automatic weaving machine 3-D weaving processes Textile Wet Processes Cotton Textiles Sizing (Slashing) Desizing Scouring Bleaching Mercerizing Dyeing Printing Finishing Synthetic Textiles Wool Processing Wool Scouring Wool fulling Wool Carbonizing Water Usage Data.

Two fabrics are woven together on the same loom, one above the other & laced together with an extra set of warp or weft yarns called binder yarns (5 sets of yarns).

Pile fabrics are commonly prepared by this method. Produces a variety of fabrics, reversible, stable, may have different color or design on the two : Textile School. If you are a student or teacher then you can get any book of the above list which is your required.

For this you have to send article. It may be an assignment, project work, industrial attachment or any writing on textile, garment and fashion. Knitting - Basics. l Kumar, Senior lecturer, KCT,Coimbatore [email protected] Knitting Second Most frequently used method for making fabric Gaining immense popularity Construction is different from Woven Fabric Broadly 2 types of Fabric Weft Knitted and Warp Knitted Weft Knitting Most Common One Continuos Yarn forms Courses across the fabric Wales- Loops running Lengthwise /5(2).Free Download Latest Books on Technical Textile, Fiber, Spinning, Fabric, Weaving, Knitting, Garments, Fashion, Design, Dyeing, Printing and Finishing Textile is the ancient branch of engineering.

Now textile engineering study is becoming more demand-able then before.The finished fabric may involve raw material irregularities that may become more apparent after dyeing and finishing. It also includes yarn defects like thick and thin places.

In addition weaving or knitting imperfections occur, such as miss picks, broken ends, and miss stitches.