Lecture # 10 Knitting Elements and Basic Knitting Structures.

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Transcript of Lecture # 10 Knitting Elements and Basic Knitting Structures.

  • Lecture # 10Knitting Elements and Basic Knitting Structures

  • Knitting Elements Needle Sinker CamFeederWinder

  • Needles

  • Needle Parts Stem Used to hold the course of old loopsHook The hook is used to catch a thread and form loops.Rivet Holds the latch in place and allows it to pivot.Latch The latch combines the task performed by the presser bar and the beard of the bearded needle.Butt The butt enables the movement of the needle to be controlled by a cam mechanism. A track raises and lowers the needle.Tail Used to provide support to the needle.

  • Needle History Matthew Townsend, a Leicester hosier, patented the latch needle in 1849. Townsend spent much of his time developing new knitted fabrics and he investigated a simpler way of knitting purl fabrics.

  • Sinkers

  • CAMS Knit CamsTuck CamsMiss Cams

  • Yarn Feeder

  • Cylinder, Dial and Flat Bed Parts of machine to hold needleDetermines the gauge of the machine

  • Fabric Winder To pull fabric downwardTo wrap it on a bar or to make laps of fabricLimited weightTraditionally it was up to 30 kg but today more than 120 kgs is possible

  • Basic Four Knitting Structures PlainRibInterlockPurl

  • Technical Front

  • Technical Back

  • Plain Structure

  • Rib Structure

  • Purl Structure

  • Interlock Structure

  • Lecture # 11Flat Knitting Machines

  • Flat Knitting Flat knitting ---- Needle bed is flat

  • Single bed and double bed flat knitting machines

    ProductionCollars, arm bandsSweatersRibGloves

    For more information:http://www.shimaseiki.co.jp

  • Gauge

    3 to 14 3 to 10 for sweaters12 to 14 for collars and cuffs

  • Main characteristics

    Strong grip in fine gauge Soft feel in course gaugeLoose structureEasy designingMulti colors Slow production

  • Conti---Easy to operateWidth up to 70 inches

  • Significance of Flat Knitting MachinesPart of main bodyGarment in flat knitted fabricSweaters

  • Production

    400 collars per day Collar length is 3 to 4 inchesIn fabric form 40 to 50 meters Width 4 to 80 inches

  • Machines arrangements

    Number of feeders 2 to 14Jacquard TransferManualAutomatic

    Machine Specification

  • Quality ParametersGaugeWidthLengthNumber of stitchesKnitting faultOil problemEdges uneven

  • Carriage

    MovingTaking all cams and feeding systemChange of cam with in carriageChange of yarn with the help of change of feeder Movement restriction

  • Costing

    Per piecePer kg

  • Lecture 12Circular Knitting Most Common Machines

  • Types of circular knitting machines Single knit Double knit

    Fleece StripeJacquard Plush Terry

  • Main Parts Yarn feeding systemNeedle and sinker bed Fabric winder Power transmissionLubricationControl panels

  • Yarn Feeding Creels

  • Combi Creel

  • Fan Creel

  • Filter Creel

  • Yarn Feeding

  • Elastic Yarn Feeder

  • Lubricants

  • Uniwave

  • Knitting Cylinders

  • For more details http://www.memminger-iro.de/