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Hand and Commercial Processes Fabric Production and Weft Knitting

We will look at ?. WeavingNon wovenBonded WebFeltWeft knittingFully fashionedGarment lengthPiece goods (cut and sew). Woven Fabric Manufacture. Made by interlacing two sets of yarns at right angles to each other.The yarns from left to right are the weft.The weft do all the work picking up t

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Hand and Commercial Processes Fabric Production and Weft Knitting

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    1. Hand and Commercial Processes Fabric Production and Weft Knitting AS Textiles

    2. We will look at … Weaving Non woven Bonded Web Felt Weft knitting Fully fashioned Garment length Piece goods (cut and sew)

    3. Woven Fabric Manufacture Made by interlacing two sets of yarns at right angles to each other. The yarns from left to right are the weft. The weft do all the work picking up the warps. The warp yarns go from top to bottom. The lengthways edges of the fabric are called the selvedge.

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    5. Bonded Web Bonded with adhesives, solvents or thermoplastic properties. Layered in a carding machine to build up a batt of the required thickness. Layers are build across or down or in a combination of both.

    6. Bonded Web Adhesive bonded web Made from a web of fibres, bonded together by applying an adhesive. The adhesive is applied by spraying, dipping or foam spreading. The web is then pressed.

    7. Bonded Web Thermally bonded webs are made from a web of fibres bonded together through the thermoplastic property of the fibres. Heat and pressure are used to soften and fuse the fibres together.

    8. Bonded Webs Solvent Bonded Webs Bonded together using a solvent. The fibre surfaces soften and fuse together permanently at the touching points.

    9. Felt Made by interlocking fibres so they become matted. Needlefelt can be made in two ways: Mechanical process – batt (bulky web) of fibres are punched by a bank of barbed needles. Every needle drags fibres to the base of the web to form loops. This entangles the fibres to form the fabric.

    10. Felt Hydro-entangled needlefelt Staple fibres are entangled in a web with high pressure water jets. It’s also known as spun laced fabric.

    11. The principle of needle felting

    12. Manufacture of Weft Knits into Garments Fully Fashioned Knitting The individual components are knitted to shape They can be sewn to make the product without cutting the fabric. This reduces waste.

    13. Manufacture of Weft Knits into Garments Garment Length Knitting Panel knitting. Fabric is knitted in individual panels of a width to suit the end product. The start of the knitting is secured with a ribbed edge. Produces some waste.

    14. Manufacture of Weft Knits into Garments Piece Goods Also known as Cut and sew blanket knitting. Long lengths of knitted fabric are produced in the form of a tube on a circular knitting machine. The fabric can be processed in tubular form or cut open (usually after dyeing). It is then cut to shape and sewn to make the product. Can produce high waste but using CAD for lay planning waste is minimised.

    15. Manufacture of weft knits into garments 3D knitting Whole products are knitted in one piece. This incorporates all the garment shaping. There is minimal sewing and no fabric waste.

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