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Wednesday, July 29, 2020 | History

2 edition of generalized geometry of weft-knitted fabrics found in the catalog.

generalized geometry of weft-knitted fabrics

T. S. Nutting

generalized geometry of weft-knitted fabrics

by T. S. Nutting

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  • 4 Currently reading

Published by Hosiery and Allied Trades Research Association in Nottingham .
Written in English


Edition Notes

Reprinted from the Journal of the Textile Institute, vol.55, no.1, January 1964.

Other titlesJournal of the Textile Institute.
Statementby T.S. Nutting and G.A.V. Leaf.
SeriesResearch reports -- no.14
ContributionsLeaf, G. A. V., Hosiery and Allied Trades ResearchAssociation.
ID Numbers
Open LibraryOL13881373M

The 1 × 1 rib knitted fabric is mostly used for collar, cuff, waistband, etc. of outerwear knitted garments and it is also very popular nowadays for using as preforms of knitted composite structures. A geometrical model to predict the dimensional properties of conventionally knitted 1 × 1 rib fabric is created and given in part I of this series of papers.   1. Chapter 9 Knitted Fabrics and Their Properties Knit fragments dating back to BC Compared to 9, years for wovens Introduced to Europe by the Arabs Did not gain popularity until around 1, AD 2. Knitting The act of interlooping yarn to create fabric as opposed to weaving, which is interlacing yarns to create fabric.

  Warp knitting is a method of fabric formation in which the loops are made in a vertical way along the length of the fabric from each warp yarns. Thus, there will be a needle for each yarn. The knitted stitches in warp knit fabrics have a crisscross diagonal appearance which feels smoother than weft knits. It shows less elasticity than weft. Topology-Based Modeling of Textile Structures and Their Joint Assemblies: Principles, Algorithms and Limitations pdf by Yordan Kyosev PM Others.

  The first attempt was to get a technical equation to calculate fabric diameter or width for factory use and for that several ways was followed, both searching books and trying to formulate new one. To have new equation, the proposed ideawas using circle for loops shape, then the same idea was used to calculate others parameters. The book contains figures and the bibliography contains about 89 entries. The book covers an active, interesting and fresh research area. It is very useful for researchers in differential geometry and related subjects." (Kazim Ilarslan, Zentralblatt MATH, Vol. , ).


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Generalized geometry of weft-knitted fabrics by T. S. Nutting Download PDF EPUB FB2

Textile - Textile - Weft knitting: The type of stitch used in weft knitting affects both the appearance and properties of the knitted fabric.

The basic stitches are plain, or jersey; rib; and purl. In the plain stitch, each loop is drawn through others to the same side of the fabric. In the rib stitch, loops of the same course are drawn to both sides of the fabric. (). 5—A GENERALIZED GEOMETRY OF WEFT-KNITTED FABRICS.

Journal of the Textile Institute Transactions: Vol. 55, No. 1, pp. TTCited by:   Doyle [1] initiated a new approach to fabric geometry by deriving his concepts from an interpretation of experimental data. He showed that for a range of dry, relaxed, plain weft knitted fabrics, stitch density could be obtained using the formula S - ksll2, where S is stitch density, l is loop length and ks is a constant independent of yarn.

Hurd and Doyle [8], Postle [9] and Kurbak [10] also studied the geometry of plain weft knitted fabrics. Furthermore, Demiroz and Dias [11] developed a mathematical model to generate 3D images of plain weft knitted fabric. They developed a stitched model by. To validate the numerical model, two types of weft-knitted fabrics (rib 1 × 1 and biaxial fabrics) are produced by a flat weft generalized geometry of weft-knitted fabrics book machine.

Epoxy resin is used to construct composite by the. Novel bifacial fabrics, with a woven structure on one face and a knitted structure on the other, were developed and produced on a purpose-built machine using conventional fibres.

Bifacial fabrics have two breakages in warp and weft directions, and better thermal comfort properties than traditional. gauge or with any yarn count to knit fabric factor to indicate the relative tightness or looseness of a plain knit structure. Nutting and Leaf3 () has proposed a generalized geometry of weft-knitted fabrics which introduced a term involving the yam diameter.

Smirfitt4 () defined the geometry. Single-jersey fabric is a weft knitted fabric made on one set of needles. Double-jersey fabric is a weft knitted fabric made on two sets of needles, usually based on rib or interlock gaiting, in a manner that reduces the natural extensibility of the knitted structure.

These fabrics can be non-jacquard or jacquard. Course is a row of loops across the width of the fabric. DIMENSIONAL CHARACTERISTICS Constants for geometry of plain worsted knitted fabrics at different stable states (imperial unit) 7. DIMENSIONAL CHARACTERISTICS Constants for geometry of plain worsted knitted fabrics at different stable states (SI unit) 8.

AREAL DENSITY • 9. FABRIC COVER • TIGHTNESS FACTOR • 5—A GENERALIZED GEOMETRY OF WEFT-KNITTED FABRICS. Nutting et al. Journal of the Textile Institute Transactions. Vol - Issue 1. Published online: 5 Dec Article.

43—The Geometry of a Plain Knitted Loop. Leaf et al. Journal of the Textile Institute Transactions. Wearing comfort of clothing is dependent on air permeability, moisture absorbency and wicking properties of fabric, which are related to the porosity of fabric.

In this work, a plug-in is developed using Python script and incorporated in Abaqus/CAE for the prediction of porosity of plain weft knitted fabrics. The Plug-in is able to automatically generate 3D solid and multifilament weft knitted.

Book Description. How Are Textile Fabrics Formed. Principles of Fabric Formation is a treatise on the modern production systems of woven, knitted, braided, nonwoven, triaxial, multiaxial, and 3D fabrics. This book offers a basic understanding of the technicalities involved in the formation of different types of textile fabrics, and brings out the relative merits and limitations of each.

Weft-Knitted Strain Sensor for Monitoring Respiratory Rate and Its Electro-Mechanical Modeling Abstract: In this paper, a textile-based strain sensor has been developed to create a respiration belt.

The constituent materials and the knitted structure of the textile sensor have been specifically selected and tailored for this application. Two complex weft-knitted glass fabrics were selected for the study: a triple rib knit and a Milano knit were impregnated with a tough epoxy resin and tested using a double cantilever beam geometry.

For both knitted composites, the influence of the growth direction was studied by investigating crack propagation in both the wale and course. Weft knitting is a knitted piece of fabric where the stitches run from left to right horizontally across the fabric. It is usually knitted with one piece of yarn, and can be made either by hand or using a knitting machine.

Weft knitting is the most common form of knitting as it. Principles of Fabric Formation is a treatise on the modern production systems of woven, knitted, braided, nonwoven, triaxial, multiaxial, and 3D fabrics.

This book offers a basic understanding of the technicalities involved in the formation of different types of textile fabrics, and brings out the relative merits and limitations of each. geometry and mechanical Book of Abstracts the number of took loops in the repeat of combined interloping on the structure`s parameters and the properties of the weft knitted fabric, which.

Knitted fabric is a textile that results from knitting. Its properties are distinct from woven fabric in that it is more flexible and can be more readily constructed into smaller pieces, making it ideal for socks and hats.

Weft-knit and warp-knit fabric. There are two basic varieties of knit. The process involves the use of two pairs of needles set at an angle to each other. Fibers that the generally used to make double knits are polyester and wool.

Double knits are weft knitted fabrics made with two sets of needle beds. The fabric structure is more stable and compact. The fabrics do not curl at the edges and do not ravel.

associated with knitting, weft-knitting machine, weft-knitted fabric structures, derivative knit stitches, geometry of weft knitted fabrics and air permeability of fabrics. Ample amount of literature is available on geometry of weft knitted fabrics from the research works. The dimensional and physical properties of weft knitted fabrics, particularly made with cotton, of the geometry, stability and forces held within the fabric.

Knitted fabrics are inherently difficult to The ultimate aim of the ongoing research project is to formulate a generalized model to predict, determine.Knitted fabric geometry 48 Mechanics of knitted fabric: 2D model 51 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 Knitted Fabric Geometry.

Introduction The earliest work on the physical and geometrical properties (knitting science) on the knitted structure can be traced back to Tompskin in A major advance in this field occurred when Doyle and Munden () reported that for an extremely wide range of relaxed plainknit fabrics, the fabric dimensions (width and length) are completely determined by the.