Friday, September 6, 2019

Knitted fabrics Essay Example for Free

Knitted fabrics Essay Weft-knitting fabric is made from continuous lengths of yarn, which is fed across the width of the fabric by a series of needles. Weft knits can be unravelled and if a stitch is dropped it will run down the length of the fabric, so weft-knitting fabric cannot be cut like woven fabric. This kind of knitting produces soft, comfortable that has variable stretch, depending on the structure. Hand made weft knitting can be make one off designer products, such as jumpers or cushions industrial computer-controlled knitting machines produced around 90 per cent of jersey, rib and jacquard fabrics. Warp-knitting fabrics are made on straight or circular CAD/CAM knitting machines. Each loop of the fabric is fed by its own separate yarn, which is fed into the knitting zone parallel to the fabric selvedge. These loops interlock vertically, along the length of the fabric. Warp knits have some elasticity, do not ladder and cant be unravelled. Although they can be cut like woven fabrics, warp knits have a limited application for clothing being mainly used for swimwear leisure and underwear linings laces ribbons and trimmings they are also used for net curtains furnishing and bed linen. Warp knits are mainly used in industrial end- uses including geotextiles. This is the most used weave construction, which can provide endless design variation though the use of plain, thick, and thin, fancy and coloured yarns plain weave is strong firm, and hardwearing and is used for many types of fabrics and end-uses, i. e. calico, gingham, muslin. calico is plain weave low-cost cotton fabric, made in different weights and widths, suitable for experimental textiles work. A fashion designer will often use calico to make a prototype garment to help in the development of the flat pattern for a new design. Interior designers sometimes used calico foe making low-budget furnishing. Voile is a lightweight plain weave sheer fabric made from cotton, silk, rayon, nylon or worsted. It used for blouses, dresses, childrens wear, and curtains. Ripstop nylon is a high performance plain weave fabric in witch some of the warp and weft are doubled up at intervals in a warp and weft. Twill weave products fabric with diagonal lines witch generally run bottom left to top right on the fabric face. Weaving twills in different directions produces weave variations, such as herringbone or chevron. Twill weave drapes well and is one of the most used weave constructions, making fabrics such as gabardine or denim. Twill is used for a wide range of products such as jackets, suit, trousers and curtains. viyella is a 2/2 twill fabric woven from wool/cotton blend fibres in the warp and weft. Viyella fabrics are 55%wool 45%cotton and can have plain, checked or striped they are used for products such as shirts dresses and childrens wear.

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