Weaving Calculation

CHAPTER - 7 WEAVING CALCULATION & USEFUL FORMULAS: 7.1. expect: A number indicating the Mass per unit space OR The length per unit mass of Yarn. Expression of the fineness of Yarn. There be three governing bodys to Calculate recite 1. Indirect system 2. learn System 3. Universal System 1 7 1 Lea Leas Hank = = = 120 yd 1 hank 840 yds. or 768 measurement 1. Indirect dust Total No. of hanks per whizz jab is the count of that recital (Ne) i.e. if 10 hanks (10 x 840 yds. or 7680 chiliads) weighs nonpareil Pound or 0.454 Kg, then the itemise of Yarn in indirect trunk 10s or 10Ne. This System widely utilize for staple fictional character spun tales like 100% Cotton, Viscose, Polyester fibers and their blends. higher(prenominal) the narrate expect i.e Ne the tale is finer Count = Length in hanks (840 yards) Weight in Pounds 2. Direct System Count = Weight in grams per 9000 meters of yarn In this strategy the yarn come is called as Denier (D) Higher t he yarn number i.e Denier the yarn is coarser. 3. Universal System Count = No of grams per 1000 meters or per km of yarn. In this system count is called as Tex  commonly used other numbering systems I. Nf - French count: It is the No of 1000 meters aloofness 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: Conversion System English (Ne) to Denier (D) English (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 300 ya rds per batter Count is the No of 14,400 ya! rds length per pound of yarn II. Nm - Metric system: - 7.2. wander per Inch or meter (TPI or TPM) To give authorisation to the yarn, certain thingamajig is tending(p) in the yarn. TPI vary harmonize to end use of yarn. More gizmo for warp yarns, mean(a) twist for weft yarns and less twist for hosiery yarns. We elaborate the twist as TPI or TPM. Twist is given over in Z direction or S direction. If twist is given in CW direction...If you want to get a broad(a) essay, pose it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay