4分制布料检验英文版

1、This less on is to in troduce the kno wledge of the fabric inspection.A. The method of penalty scoresNormally we will not use the AQL to assess the quality of fabric, we use the 4 point system to score the defects on fabric for fabric inspection.The 4 point system provided a means of defining the de

2、fects according to the severity by assigning demerits and penalty points All fabrics including the grey and finished, woven and knitting, can be grading by this system. Visible defects were scored in proportion to the size of the defects.Penalty point, Defects in any directi on, with the excepti on

3、of specify, are scored as followings:Defects sizePenalty pointsDefects W 3 inches13inches Defects 6inches26inches 9inches4Note: No single Yard or single defects can be scored more than 4 points; Defects like holes, netting, dropped stitches, laddering and torn selvage are scored 4 points regardless

4、of the defects size;B. The sampling sizeIf not specified, the sampling size will follow below:Lot sizeSampling size 10OOOyards(Square root of lot size) X 10C. Acceptable points by fabric groupsWoven fabric:GroupFabric DescriptionIndividual rollsFor sample size1All synthetic 一 polyesteracetate-nylon

5、Dressing skirting ;Filament RayonWorsted Spun ;Silk/Silk blends ;20poin:s/100 square yards16points/100 square yards2Basic Denim/cotton TwillCotton canvas/plainCotton poplin/ oxford Gingham Shirting Spun ray onWoolen spunCotton chambray/lndigo yarn dyedAll jacquard/dobby/ PrintedCorduroy/ velvetStret

6、ched denim/corduroy/woven Cotton/synthetic blends ;28poin：s/100 square yards20points/100 square yards3Linen blendsRamie BlendsMuslin40poin:s/100 square yards32points/100 square yards4Duopioni silk/Light weight silk Patch work50points/100 square yards40points/100 square yards-Knitting Fabric:GroupFab

7、ric DescriptionIndividual rollsFor sample size1All synthetic 一 polyesteracetate-nylon Dressing skirting ;Filament RayonWorsted Spun ;LaceWarp knitted20points/100 square yards16points/100 square yards2All jacquard/Dobby Spun ray onSynthetic blendsWooled spunIndigo yam dyed Velour/ Stretched fabric Fl

8、eece/Terry/Inlay;25points/100 square yards20points/100 square yards3Basic knitting fabric(combed cotton/ cotton blended) - Plain30ints/100 square yards25ints/100 square yardsjersey/lnterlock/Lactose/Rib/Mesh4Basic knitting fabric Carded cotton/blended40ints/100 square yards32ints/100 square yardsD.

9、Second quality criteria1. The whole shipment would be Failed as below (any one):1.1 If the Penalty points per shipment over requiremer)t1.2 If the second quality percentage over 10%.1.3 The total measured inspected length was more than +/ 1% against the ticket len gth.1.4 Any in spected rolls design

10、/pattern/ con structi on was not con formed to description on order or approved color swatch.2 The in dividual roll would be con sidered as first quality (A grade) but the whole shipment would be pending, and no need to assignpenalty points to below defect:Hand feelRoll that dose not match the appro

11、vec sampleOdor & MildewRoll that exhibit odor or mildewWeight+/- 5%|Samples size: 2 different rolls per colorShade valuationRoll that is lighter or darker against th approved sample with Grey Scale 43. The individual roll would be considered as second quality (B grade) and no need to assign penalty

12、points to below defect:Shade evaluatio nRoll that is outside of the 4 Grey scale against the approved sampleShade continuityRoll that is outside of the 4-5 Grey scale within one rollLengthRoll that measures 2% less or 5% more than the roll ticketCuttable Width1 ” wider for woven fabrics2 wider for k

13、nit or stretched woven fabricsNo toleranee for Narrow width (Noted: Measure at Beginning, Middle and End of the fabric)BowingFor woven & knits: +/ 2% for print or checked, +/- 3% fro solidSkewingFor woven: +/-2% for print or checked. +/ 3% for solidPoor selvageRolls exhibits a notices degree of lose

14、 or tightness along either or bothselvedges, or ripples, puckers, folds or crease in the body of fabric that would prevent the fabric from lying flat when being spread in a conventional manner.4. The In dividual roll would be con sidered as sec ond quality (B grade) and assigned penalty points:Splic

15、esMinimum splice length of 30yards for all fabricsNo rolls shall be accepted containing more than one splice of two joined piecesFull width defectDefect running over 97230mmDefect in the first or last three yards5. The in dividual roll would be considered as sec ond quality (B grade) and need not count penalty points:Running DefectDefect running/