Those processes are based on chemical quantitative analysis and require extreme precaution &dedicated laboratory facilities, differentiating among … 1: 100% cotton warp and weft threads;-Fabric composition no. Total: 500 yards needed for entire project. In case different types of warp thread or weft thread is used then this formula may not work accurately. ... whether i can calculate count of warp and weft and ends per inch & picks per inch . As a result, fabric consumption should be done accurately after receiving the order. Post Cancel ... 2nd one is that how we found the yarn consumption in towel Comment. Higher GSM fabric is heavier and lower GSM fabric is lighter. 1. In this regard I request you to kindly teach me a formula to calculate the wrap and weft yarn required for a standard 100 meters of fabric in required widths of 47" and 60". Yarn count of Warp and Weft. Therefore . 25.6 Cloth weig ht in GSM = + Warp Count Weft Count × 9. Moderator . The place where you can find practical solution of your problems. The invention relates to a production method of a wool and spandex warp-weft bidirectional elastic fabric produced in the textile industry. Our example: 254.7 yards of weft total. In the above example, with the cost of the raw material being 86% of the total cost, it is clear that any % in saving in the raw material (for example by reducing the scrap rate) will lead to a proportional reduction of … comes through the nozzles from a high pressure tank, though the energy consumption is much bigger than that of the other weaving machine types. × × = 6. Unsure what epi, ppi, or sett mean, or how to choose the right one for your project? Post Cancel. Technical formula used for GSM calculation, Yarn Diameter Calculation: In indirect system of yarn count, higher the yarn count finer the yarn. Answer: (120 + 60) x 47 / (40 + 40) + 5 = 110 GSM (We should called around 110 as there are a lot of formulas & no formula can reach the actual amount of GSM till now) Formula: ( warp + weft) x 47 / (warp count. Total ends Tape length in meter. my quastion is that how i found the towel weight 2nd one is that how we found the yarn consumption in towel. As its vast importance on garments merchandising, today I will discuss the knit fabric consumption formula for a T-Shirt. please advise some calculation for the similar things Comment. Due to the high acceleration at initiation of movement, an impact load is applied to the yarn. Therefore, Cloth weight = Weight of warp + Weight of weft + Weight of size (All in lbs.) share to twitter share ... yarn count conversion table, table of yarn count calculation formula. knitting calculations, both warp and weft knitting. Uncategorized. 8. ... weft; [tex]. RS in centi -meters × Cloth Length in meters × PPI 4301.14 Weft Count Weft weight in Kg. 1. Abstract: Yarn Count, yarn composition and structure of repeat are responsible to change fibre percentage in a fabric.There are standard process of ASTM*5& ISO*6 to find out fabric composition or fibre percentage. yarn consumption in multi - count weft fabric method of yarn consumption calculation in multi - count weft in the fabric. The whole range of steps and calculations involved in the fabric formation process from amount of raw material to the costing of final product have been included in the book. More twist for warp yarns, medium twist for weft yarns and less twist for hosiery yarns. As its importance, this article … This post explains it all . You can add 10% if you want to make sure you have a comfortable amount: buy 550 yards of material.When you have more weft ends per inch (or less) than the warp, you need to make a similar calculation as you did for the warp. ... WEFT KNITTING: In a weft knitted structure a horizontal row of loops can be made using one thread and the thread runs in horizontal direction. fabric count and construction formula. Weft weight for any given Flat woven fabric . In the first article, I showed how Elleci could generate an average gain of 15,9% on the raw material costs, by moving a set of articles to more efficient technologies. Faulty woven fabrics hamper the total quality of woven garments such as shirts, pants, trousers, jackets, etc.As a textile engineer, you should know about the major woven fabric faults produced during woven fabric manufacturing. With: -Fabric composition no. Micron (Wool): Fineness is expressed as fibre diameter in microns(0.001mm) Conversions: TPI vary according to end use of yarn. + Weft Count.) A woven garments merchandiser must have to know the GSM calculation method to ensure the right GSM fabric that is ordered by the buyer (though suppliers are regularly mentioned about the fabric GSM). Analysis: The shape of a loop is not circular, but the yarn for that loop or stich length can be taken as equal to the circumference of a circle (Figure 1). One of my colleagues used to use this formula in the testing lab. + 5 = GSM. Yarn Count Conversion Calculation from One System to Another. 5) Washing shrinkage if any. For the weft insertion mechanisms of air jet looms, the profile reeds with sub-nozzle systems are the most advantageous in terms of improving high speed weaving and wider cloth width. P.O. × = PPI EPI 7. Weight of yarn in a cloth : The weight of cloth manufactured on loom depends upon the weight of yarns in the warp and weft : ends/inch, picks/inch and the weight of size on the warp. 25+ years experience in textile industry. Use this free, easy calculator to calculate your warp and weft yarn for rigid heddle or multi-shaft loom weaving. The profit of the order mostly depends on it. GSM of the fabric 2. = Total mtrs x reed space x picks per inch x wastage % x denier of weft/ 9000000 = 100 x44 x 90 x 1.08 x 50 / 9000,000 = 2.376. Considering you haven't mentioned the type of fabric under study, I will consider you are mentioned the plain fabrics used for shirting. Fabric GSM = (EPI/warp count + PPI/Weft count) x (100+crimp %) X 0.2327 If twist is given in CW direction it is ‘Z’ twist. Woven Fabric Defects and Their Images: In the textile industry, woven fabric is produced by interlacing warp and weft yarn. 1693.6 Warp Count Warp weight in Kg. (Ounze) per Sq. 1. If it is given in CCW direction it is ‘S’ twist. the end. Knit Fabric Consumption Formula: Knit Fabric Consumption Formula is a very important task for garment merchandisers about the clear concept of correct fabric consumption and … Read more Knit Fabric Consumption Formula. Consultancy service available for new and cost effective weaving and processing projects, efficiency ,product quality optimization. JohnS. Total = Warp Weight+Weft Weight = 0.2152+0.1076 = 0.3228Lbs/Mtr ... size(68 X 68 cms).in 500 G.S.M. Before calculate the woven fabric consumption, you must need the followings information as mentioned below: 1) Measurement chart with technical spec. Total inches of weft = inches / 36 = Total yards for weft yards Exemple, if you need 18 000 yds for the warp in 8/2 cotton, you will need: 18 000 yds / 1 680 yds per bobbins = 10.71 bob 11 bobbins WARP AND WEFT CALCULATIONS Imperial Metric 1573 Savoie. Total No. Weft knits can be produced on either a circular knit machine or a flat bed machine. GSM Calculation for Woven Fabric: GSM (Gram per square meter) is an important matter in the textile sector. 4) Fabrics width/weight. In warp knitting, one yarn is used for each knitting needle. The weft insertion granting the lowest energy consumption is projectile weaving with about 4 kWh. 2: 100% cotton warp yarn and weft yarn in 95% cotton and 5% elastane;-Fabric Composition no. Academia.edu is a platform for academics to share research papers. Consumption Formula for any Bottom Knit Garments (Measurement in CM) (Inseam + B.R + W.B + Allowances) X (1/2 Thai Circular + Allowances) X 4 X GSM X 12 ÷ (10000 X 1000) kg/dz. GSM (Grams per Sq.Meter) 34 Oz. Pick density 2. [ As from the above formula , 453.6 gm means 1lb and 0 .9144 meter means 1 yd which came from the definition of Ne where weight unit is fixed to 1lb and length unit to 840 yds as a constant in the formula] The number of hanks required of each having 840yds (1 hank) of yarn that can make 1 lb weight is called the count (Ne) of that yarn. Micronaire Value (Cotton): The unit is micrograms per inch.The average weight of one inch length of fibre, expressed in micrograms(0.000001 gram). 3: 100% cotton warp yarn and weft yarn in 71% cotton, 5% elastane, and 24% polyester.The studied denim fabrics were fabricated using a SULZER P7300 weaving loom … In an afterfinish process, non-overfeeding in a warp direction or small tension of 0-8 percent is adopted in heat setting of grey cloth, and a warp-direction 5-20% selvage relaxing overfeeding technology is adopted in wool drying or heat … Weft knits are made by feeding yarn to all needles horizontally to construct a course. at may 26, 2019. email this blogthis! The main factors involved in calculating yarn consumption are, 1. This formula is as under: Formula = Length X Width / Fab width X Fab Unit 3) Fabric Description. In case different counts of warp thread or weft thread are used then this formula will not give you correct GSM. 2) Style Description. It is also known as conversion formula from fabric construction to fabric weight. I hope, this book is equally beneficial for the beginners, textile engineering students and professionals of the field. 1 The insertion rates are similar to those of rapier weaving. Yard = 10. Twist is given in ‘Z’ direction or ‘S’ direction. Please suggest the formula in cotton counts." of Ends x Tape length in yds. but i misplaced the formula can anybody help pls. fabric count and construction formula. Fabric Consumption: Fabric consumption is an important factor in garments merchandising. Denier (Man-Made Fibres): Weight in grams per 9000 meters of fibre. We need a few things to start Calculating the weight.