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1、TheYarnCountSystemandCountingMethod纱线的支数系统及其计算法IndirectYarnCountSystem间接纱支系统1.EnglishCottonCount棉纱支数制(Ne)Definition:supposedcottonlength840yards,weight1lb,count=1’SIfcottonyarnlength10X840yards,weight1lb,count=10’SIfcottonyarnlength10X840yards,weight1/2lb,count=20’SFormula:Count=L(yard)/840xW(lbs)定
2、义:设棉纱长840码,重1磅,支数=1’S如棉纱长10X840码,重1磅，支数=10’S如棉纱长10X840码,重1/2磅,支数=20’S即每1磅重等于长度20X840码.YarnCountSystem纱线支数系统Usually,Neapplicationforthe2plyormultipleply100%cottonorcottonblendwithLinen/Ramie通常Ne适用于双股或多股100%棉或棉麻混纺.2.WorstedCount（w.c.)毛纱支数制Definition:ThesameastheEnglishCottonCount,thestandardlengthiss
3、ettobe560yards.定义：和棉纱支数制相似，标准长度定为560码Count支数=L(yard码数)/560XW(lbs磅重)3.MetricYarnCount(Nm)公制支数Nm=L(m米)/1000xW(g克)Thethreecountingmethodisinreverseratio,itmeansthatthebiggerthecount,thethinneryarn.以上三个计算方式均为反比,即支数越大,纱越幼。Countingmethodoffoldingyarn合股纱支数计算方法R/1=A/1+B/1+…YarnCountSystem纱线支数系统Nmapplicatio
4、nforthesinglecotton,woolorblendwithwool,fancyyarnandman-madefibreNm适用于单股棉,羊毛或羊毛混纺,花式纱和人造纤维.DirectYarnCountSystem直接纱支系统Denier（Td)旦尼尔(Applicationforthelong-stapleman-madefibre)适用于长人造纤维.Definition:1Denier,yarnlength9000m,weight1g定义：1Denier，纱长9000米，重1克100Denier,yarnlength9000m,weight100g100Denier,纱长900
5、0米，重100克Den=W(g)x9000/L(m)2.Tex(Tt)德氏纱线支数(Applicationforthelab-test)适用于化验室测试.Tex=W(g)x1000/L(m)Countingmethodoffoldingyarn:合股纱支数计算方法R=A+B+…YarnCountSystem纱线支数系统HowtoCalculate FinalYarnCount & Content怎样计算最终纱线支数和成份Definitions定义YarnCount纱线支数=Lineardensityoftheyarn纱线密度Thickorthinoftheyarn纱线粗幼YarnConten
6、t纱线成分=Whatistheyarnmadeof?纱线由什么组成?Whatmaterial(s)isintheyarn?纱线的成份是什么?Howtoreflectcorrectyarncount?怎样反映正确纱线支数?20/1Ne20/1Ne20/2Ne28/1Nm28/1Nm28/3Nm28/1Nm28/2Nm28/2Nm28/4Nm10/1Ne9.3/1Nm7/1NmExercise1:练习题1计算以下纱线组合的总公制支数及成份比例1end32/2S100%Cotton+1end84/1D85%Nylon15%LycraHowtocalculatefinalyarncount&cont
7、ent?怎样计算总支数成份?Answer答案1end32/2′S100%Cotton+1end84/1D85%Nylon15%Lycraa.32/2s=16/1s=1/(16x1.693)Nm=0.0369g/mb.84D=9000/84=107Nm(1/107=0.0093g/m)a+b=0.0369+0.0093=0.0462g/m1/0.0462=22m/g(Nm)Cotton:0.0369/0.046
