basic warp knits

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    Basic Warp Knits

    Source: Europea, Lethmittel,Clothing Technology

    CharacteristicrAellarres a fu I eiarp shee1.Tl:e loop-iornring yBflts are Jed in ihe C,rection of theength of lhe iabric.Cac nol be unr3velled, usuaily doas not laddel\n.rrirrg reedlos i:lways (orl toget_ct ds o Lr'l

    Basic Warp Knits

    'rra rp beamwarp sheet

    guide bar Source: EuroDea, Lethmittd,Clothing Technologygurcies

    needles

    needte bar

    ).

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    J

    Warp Preparation

    Warp Beam

    Basic Warp Knits

    Basic knitting elements:L. Needle bar2. Guide bar3. Sinker

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    Basic Warp Knits

    Karl Maver Tricot MachineSource: I(arl Mayer

    Warp Knitting Technology

    Source: Karl MayerKarl Mayer Raschel Machine

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    ,

    Knitfing Actionqt 9VHfld4tN\Fd-ililll\l ltll.bc'll

    Principle of Knitting

    Basic Warp Knits

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    I

    Basic Warp Knits

    Yarn Lapping Motion

    Warp Knitted Fabric Structure

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    LappingClosed lap with overlapand underlap in oppositedirectioo - closed lap

    .- /.,--_- overlap

    \;\lfuno'"uo

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    Basic Warp KnitsRelationship of Front Guide Bar (FGB) and Back guide bar(BGB)

    /,3ack guiae Back guide bar

    Front guide barPlating by 2 guide bars:FGB yarn found in technical faceBGB varn found in technical back

    a

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    Basic Warp KnitsWarp Knit

    ISingle Knit(Single needle bed with 1 or- more guide bars)

    IDouble Knit(Double needle bed with 2or more guide bars )

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    TricotTricot Machine. Equipped with compound needles. Two to four yarn guide bars. Higher productivity and fast speedTricot fabrics. A wide variety of fabric weights and designs.. Tricot fabrics for making lingerie, sleepwear, blouses,shirts, etc. Most lingerie tricots are two-bar fabric

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    Basic Warp KnitsTricot knitting

    Compoundneedle

    Holding-downsinker

    Source: Karl Mayer

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    Basic Warp Knits

    Tricot Fabric(Single Needle Bed andGuide Bar)

    Tricot Knittine

    Source: Karl Mayer

    Srvimrvcar and SportslYear

    ll--.1

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    Basic Warp Knits

    . Closed lap give more rigid fabric construction. Open lap give more elastic fabric constructionHalf tricot (single needle bar and guide bar)

    1a

    Warp Knitting Technology

    Technical face (closed lap) Technical back (closed lap)2 x 1 plain (2 x I lap) tricot differs technically from the half tricotconstruction by the underlappings which are increased by one needle space sothat each sinker loop in the texture moves one wale, The longer sinker loopalso alters the properties of the fabric (more rigid)

    2 x 1 Plain Tricot (single needle bar and guide bar)

    Technical face (closed Iap)

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    2 x 1 Plain Tricot with Closed Lap

    Technical face Tcchnical back

    lVarp Knitting Technologyt''-'-'1". -:-Ji(. P r. >-r.)".210

    Technicirl flce {open lap) Technical back (open lap)

    2 x 1 Plain Tricot (single needle bar and guide bar)

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    Warp Knitting Technology

    Tricot Knitted Fabric(Single Needle Bed and More Than L Guide Bar)

    Tricot Knitting

    B ackguide baroverlapFrontguideoaroverlaPi.(; IJ l,(ilJ

    Technical face of two-bar tricotTwo-bar Tricot

    t4

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    Tricot KnittingLocknitFront guidebar underlapthreadBack guidebarunderlapthread

    Locknit,schematic

    Fabric is made with two guide bars and has tryo threads to eyery needle.The Locknit is probably the most widely used rvarp-knitted fabric becauseof its ladder-resistant properties, and smooth surface,Source: Europea, Lethmittel, Clothing Technology

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    Tricot Knitting

    '$rilfil{

    Locknit

    Source: Europea, Lethmittel, Clothing Technology

    ItIII: Locknit, face

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    3: Locknit. back

    Tricot Knittine

    I(;tJ !J(;I.thl \:rrl cx:1"-)1 )-rr,i O(=10 43210

    This has even greater rigidity than Sharkskin because the front bar makesthe shortest possible underlap, rvhich tightly ties in the back bar underlapsgiving it less shrinkage . . , ,.Queenscord i\\/r \\lSource: Cotton llandbook 2000

    t6

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    Basic Warp Knits

    Raschel Fabrics

    Raschel Knitting

    {MGuide Bar System of Raschel Machine

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    Raschel KnittingRaschel Machine. Equipped with compound needles. More guide bars (e.g. some more than 80 guide bars). Lower productivityRaschel fabrics. Sophisticated and complicated designs, includingstructure. Raschel fabrics for making intimate garment,decorative, ladies outerwear, etc.

    3D

    Raschel Knitting

    Fru. ._,utff;. #uqx

    :ffi.,H ;n;-fir=%;,^'*ry,:$-T*7: Raschel laceSource: Europea, Lethmi(tel, Clothing Technology

    Raschel net

    l8

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    Net Fabric

    Source: Cotton Ilandbook 2000

    Raschel Knittingrl rll ti(iR

    t9

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    Powernet FabricSpandex yarn

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    \r,,,t"*",Fancy Lace pattern is created try yarn LayingmovementsA Lace Fabric with Tulle Nt Ground Structure

    Raschel

    Source: CottonHandbook2000

    A Lace Fabric with Tulle Ground Structure