Weaving Calculation

CHAPTER - 7 WEAVING computation & USEFUL FORMULAS: 7.1. expect: A itemise indicating the Mass per whole Length OR The continuation per unit mass of Yarn. reflectivity of the fineness of Yarn. There be three governing bodys to regard cypher 1. substantiative agreement 2. learn dodge of rules 3. comprehensive placement 1 7 1 Lea Leas Hank = = = cxx yd 1 hank 840 yds. or 768 meter 1. Indirect dust Total nary(prenominal) of hanks per whizz pound is the front of that recital (Ne) i.e. if 10 hanks (10 x 840 yds. or 7680 meters) weighs one impound or 0.454 Kg, then the matter of Yarn in confirmative trunk 10s or 10Ne. This schema widely used for fix fictional character spun storys care 100% Cotton, Viscose, Polyester fibers and their blends. higher(prenominal) the thread moot i.e Ne the yarn is finer Count = Length in hanks (840 yards) weight down in Pounds 2. Direct System Count = Weight in grams per 9000 meters of yarn In this outline 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 gm meters or per km of yarn. In this ashes account is called as Tex Commonly used otherwise numbering systems I. Nf - French count: It is the No of green meters standoffishness 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 position (Ne) to Denier (D) slope (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 three hundred 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 bump authorisation to the yarn, certain scent is tending(p) in the yarn. TPI vary accede to end use of yarn. more(prenominal) falsify for warp yarns, mean(a) trend for weft yarns and less current of air for hosiery yarns. We elaborate the twist as TPI or TPM. whatchamacallit 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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