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Tuesday, July 28, 2020 | History

2 edition of Bowing and creasing of weft knitted fabric found in the catalog.

Bowing and creasing of weft knitted fabric

P. Stacey

Bowing and creasing of weft knitted fabric

by P. Stacey

  • 222 Want to read
  • 31 Currently reading

Published by HATRA in Nottingham .
Written in English


Edition Notes

Statementcompiled by P. Stacey.
SeriesHatra note -- 14
ContributionsHosiery and Allied Trades Research Association.
ID Numbers
Open LibraryOL18233755M

The weft knitted fabric, which is produced in tubular or flat form, is not that easy to unravel. In warp knitting, the needles knit concurrently for all yams, and in weft knitting, the needles just knit in a series for each yam. Warp knitting only produces yardage whereas weft knitting produces yardage as well as shaped : Prabhat S. Start studying Ch. 6 TYPES OF WEFT KNIT FABRICS. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Weft knitted fabrics may be approximately divided into single or double jersey ('double-knit') according to whether they were knitted with one or two sets of needles. It may be preferable to include some of these fabrics in separate groupings of underwear and speciality fabrics. Pelerine eyelet, sinker wheel mesh structures, and float plated fabrics are mainly used for underwear whilst high.   Weft and Warp knitting are technical terms that describe two different types of knitting used by either machine or hand. They refer to the widths and lengths of the thread and how many needles are used. Weft Knitting vs Warp Knitting Weft and warp.

The two classes of knitted fabrics are the filling knit and the warp knit. Filling knit fabrics are quickly iden- tified. They can be raveled readily, and they easily develop runs, or ladders, when a yarn is broken. In a flat piece, the yarn is raveled back and forth; in a circular 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.


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Bowing and creasing of weft knitted fabric by P. Stacey Download PDF EPUB FB2

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.

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. Bowing and creasing of weft knitted fabric book 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. Weft knit definition is - a knit fabric produced in machine or hand knitting with the yarns running crosswise or in a circle.

Weft Knitting • In weft knitting, the loops are formed across width of the fabric • Each weft thread is fed, more or less at right angles to the direction in which the fabric is produced.

In this method the fabric is produced by simple up and down movement of the needles, which is provided by the profile of a cam system.

Weft-knit and warp-knit fabric. There are two basic varieties of knit fabric: weft-knit and warp-knit fabric. Warp-knitted fabrics such as tricot and milanese are resistant to runs, and are commonly used in lingerie.

Weft-knit fabrics are easier to make and more common. When cut, they will unravel (run) unless repaired. This test method covers the determination of bow and skew of filling yarns in woven fabrics and the courses in knitted fabrics. This test method can also be used to measure the bow and skew of printed geometric designs such as plaids.

The values stated in either SI units or inch-pound units are to be regarded separately as the. Apr 2, - Explore isamarburgess's board "Weft knit" on Pinterest. See more ideas about Wefts, Knitting, Threads magazine pins. Double Knits are made from the interlock stitches and its variations.

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 Author: Textile School.

Like weaving, knitting is a technique for producing a two-dimensional fabric made from a one-dimensional yarn or thread. In weaving, threads are always straight, running parallel either lengthwise (warp threads) or crosswise (weft threads). By contrast, the yarn in knitted fabrics follows a meandering path (a course), forming symmetric loops (also called bights) symmetrically above and below.

K-C Knitted Fabrics have better handling properties than either mat or woven roving and, due to their porosity, offer short lamination times.

To suit a variety of end-use specifications, fabric weight can vary from to g/m2 of fabric (special applications), while the supporting layer of mat or veil can range from to g/m2.

Weft knitting is "a common type of knitting in which one continuous thread (yarn) runs crosswise in the fabric making all of the loops in one course. Weft knitting types are circular and flat knitting." In circular knitting, "the fabric is produced on the knitting machine in the form of a tube, the threads running continuously around the fabric.".

Weft knitting: In a weft knitted structure a horizontal row of loops can be made using one thread and the thread runs in the horizontal direction. Most of the knitted fabrics are produced by weft knitting.

Difference between warp and weft knitting: Basically warp and weft knitting process are totally different from one to another. Following are. In theory, knitted loops move towards a three-dimensional configuration of minimum energy as the strains caused during production are allowed to be dissipated so that eventually, like all mechanical structures, a knitted fabric will reach a stable state of equilibrium with its surroundings and will exhibit no further relaxation shrinkage.

significant role on the fabric properties. The fabrics produced from compact yarns are found to have better abrasion resistance, higher burst strength, less pilling tendency, better dye absorption, and dyeability in more vivid colors.

Keywords: Burst strength, Compact yarn, Pilling, Ring yarn, Weft knitted fabric 1 Introduction. Plain knitted fabrics If a weft or warp knitted fabric has one side consisting only of face stitches, and the opposite side consisting of backstitches, then it is defined as a plain knitted fabric.

It is also very frequently referred to as a single jersey fabric (single fabric). Plain File Size: KB. 1. CLASSIFICATION OF KNITS CLASSIFICATION OF KNITS 1/21/ By Sunil Talekar, Student handout-SOFT -P 2.

CLASSIFICATION OF KNITS KNITTIN G WARP TRICO T WEFT RASCH EL V BED 1/21/ SEAMLE SS FLAT PURL CIRCULA R SINGLE NEEDLE BED COTTON PATENT 3. WEFT KNITTING In weft knitting; • yarn is fed to knitting needles. The equations for some knitting parameters of circular knitted fabric are. Where, R=constant that depends on fabric types.

D=Machine Diameter and G= Machine gauge Sl=Stitch Length (mm)& Ne=Yarn count (English count) Knitted fabric is dimensionally unstable fabric. Here value of ‘R’ can be different for different types of variables. This lesson is the first in our 7-part series on working with knit fabrics.

We start by demonstrating the difference between woven and knit fabrics and then how knits are structured. You will learn the meaning of terms like knit and purl, wale and course and how a weft knit differs from a warp knit. We will teach you about how knits are made and about the different types of yarns, so that when.

Fabric is produced in sheet or flat form using one or more sets of warp yarn. The yarns are fed from warp beams to a row of needles extending across the width of the machine. Warp Knitting are four types. Tricot Knit: Tricot fabric is soft, wrinkle resistant & has good drapability.

Tricot knits are used for a wide verity of fabric weights & design. Chiffon knitted fabric on circular knitting machine, also known as georgette (from France georgette), georgette, is a strong twist crepe, crepe weave a silk fabric.

Warp and weft with S twisting and Z twisting two different twist strong grab yarn, according to 2S, 2Z arranged between the phases to plain weave, the weft density of [ ].

Hand knitting is essentially weft knitting. When fabric is produced through the weft knitting machines, individual yarn is fed to a single or multiple needles at a time. A weft-knitted fabric consists of horizontal, vertical courses of yarn and necessarily needs only a single yarn.It is the most common fabric formation technique for knitted 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 is simpler than warp knitting, the other form of knitting. There are four basic weft knitted fabric structures.

The influence of preform stretching on mechanical properties of weft knitted PP/glass fibre composites was estimated. Stretching of Rib weft knitted fabric was performed prior to consolidation in a wale or course direction and biaxially. Preform stretching increased tensile and bending strength of composite as a result of additional orientation of the reinforcing fibres in the stretching Cited by: 8.