针织学(双语)课件Chapter4.ppt

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1、Chapter4Thefourprimarybaseweftknittedstructures14.1Introduction引言FourprimarystructuresPlain纬平针Rib罗纹Interlock双罗纹,棉毛Purl双反面24.1Introduction引言FourmachinesSingle-jerseymachines单面机Ribmachines罗纹机Interlockmachines双罗纹机,棉毛机Purlmachines双反面机34.2Plainstructure纬平针组织IntroductionHosiery长袜Fullyfas

2、hionedknitwear全成形针织品Single-jerseyfabrics单面针织物Usedinthefollowproducts4IntroductionTechnicalfaceSmoothHavingtheappearanceofcolumnsofV’sinwales.5IntroductionTechnicalbackHavingtheappearanceofcolumnsofinterlockingsemi-circles.6IntroductionThepropertiesUnrove横向脱散Laddering纵向脱散7Introducti

3、onThepropertiescurl/卷边stretching/拉伸8IntroductionTheproperties3-dimensionalstructure94.2.1Productionofsingle-jerseyfabric/单面针织物onacircularlatchneedlemachine/舌针圆机Cone纱筒Overheadbobbinstand机顶纱架Free-standingcreel落地纱架Winding-downmechanism牵拉卷取机构10ComparedwiththeribmachineSimplerandmoreeco

4、nomicalMorefeedersHigherrunningspeedsKnittingawiderrangeofyarncounts114.2.1.1Theknittinghead编织机构Yarnfeederguide/导纱器Latchneedle/舌针Holding-downsinker/握持沉降片Needlecylinder/针筒Cylinderdrivingwheel/针筒托盘Cylinderdrivinggear/针筒传动齿轮Sinker-operatingcams/沉降片三角Sinkercam-cap/沉降片三角座129.Sinkertrick

5、ring/沉降片圆环10.Needle-retainingspring/箍簧11.Needle-operatingcams/织针三角12.Cam-box/三角座13.Cam-plate/三角底板14.Headplate/针筒底盘15.Cylinderdrivingpinion/小齿轮attachedtothemaindriveshaft/主传动轴134.2.1.2Theknittingaction成圈过程RestpositionClearingYarnfeedingKnock-overHolding-down144.2.1.3Thecamsystem三角系统

6、Clearingcam/退圈三角Stitchcam/弯纱三角,成圈三角Upthrowcam/回针三角6.Guardcam/护针三角Returncam/回针三角Theneedlecamrace针三角轨道15Racecam/平轨道三角Sinker-withdrawingcam/沉降片挺出三角Sinker-returncam/沉降片回退三角Thesinkercamrace沉降片三角轨道164.2.1.4Sinkertiming沉降片对位Pushpoint:Themostforwardpositionofthesinkerduringtheknittingcycle

7、.Sinkertiming:Therelationshipbetweenthepushpointandtheneedles.174.3Ribstructure罗纹组织Thesimplestribfabricis1×1rib.18CharacteristicsofribHasaverticalcord/凸条appearanceMoreexpensivetoproducethanplainBeelastic,form-fitting/适体,andretainwarmth/保暖betterthanplainRequiresfineryarnthanasimilar

8、gauge/机号plainmachine19Prop