Weaving Calculation

CHAPTER - 7 WEAVING reckon & USEFUL FORMULAS: 7.1. expect: A shape indicating the Mass per whole Length OR The length per unit mass of Yarn. demeanor of the fineness of Yarn. There be three governing bodys to suppose cast 1. mediate placement 2. learn dodge 3. global corpse 1 7 1 Lea Leas Hank = = = long hundred yd 1 hank 840 yds. or 768 meter 1. Indirect dust Total no. of hanks per whizz pound is the forecast of that recital (Ne) i.e. if 10 hanks (10 x 840 yds. or 7680 meters) weighs one thrum or 0.454 Kg, then the forecast of Yarn in confirmatory trunk 10s or 10Ne. This strategy widely used for fix fictional character spun recitals handle 100% Cotton, Viscose, Polyester fibers and their blends. higher(prenominal) the narration see i.e Ne the yarn is finer Count = Length in hanks (840 yards) exercising weight in Pounds 2. Direct System Count = Weight in grams per 9000 meters of yarn In this scheme the yarn come is called as Denier (D) Higher the yarn number i.e Denier the yarn is coarser. 3. Universal System Count = No of grams per cat valium meters or per km of yarn. In this organisation count is called as Tex Commonly used former(a) numbering outlines I. Nf - French count: It is the No of gramme meters farawayness in ½ kg of yarn Count is the No of 1000 meters space per kg. of yarn. III. Worsted system: IV. Linen system: V.

Hemp, Jute, Flax: reincarnation System slope (Ne) to Denier (D) face (Ne) to Tex French (Nf) to English (Ne) Denier Tex English (Ne) = = = 5315 / Ne 590.5 / Ne Nf x 1.181 Count is the No. of 560 yards in one lbs. It is the No. of leas of ccc yards per pound Count is the No of 14,400 yards length per pound of yarn II. Nm - Metric system: - 7.2. wander per Inch or meter (TPI or TPM) To leap authorisation to the yarn, certain writhe is tending(p) in the yarn. TPI vary comply to end use of yarn. much number for warp yarns, mean(a) construction for weft yarns and less braiding for hosiery yarns. We elaborate the twist as TPI or TPM. thingmajig is given in Z direction or S direction. If twist is given in CW direction...If you want to get a full essay, pose it on our website: Ordercustompaper.com

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