In this article, A-Z of producing the woven fabrics from swatch to the finished fabric delivery has been precisely outlined. I have been putting 24″ in my calculations. Recommended Explore personal development books with Scribd . You May Like also: Loom Calculation Formulas in Weaving. Today's market is very competitive so merchandiser's should give attention on thread consumption also. Weft: Finished piece: woven width desired: 58 inches (without fringe) Shrinkage due to fiber content: 10 % Draw-in in weave (esp. Additionally, it was pointed out that thermal energy alternating between 1.1 MJ/kg and 4.7 MJ/kg is necessary for processes such as fixation besides electrical energy needs. Expression of the fineness of Yarn. Indirect systems calculate the length per unit weight as yarn count. Calculation Of Yarn Consumption Of Multi-Count Weft Fabric फुल लेक्चर इन... at November 19, 2020 . General assessment for energy consumption and conservation in fiber-producing and textile industries was done while determining … 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). Yarn clearer efficiency =_____x 100 Total objectionable thick faults present in yarn before winding Total breaks during winding (at faults) 3. Universal System 1 Lea = 120 yd. Specifc energy consumption for the yarn concerned was determined as 3.32 kWh/kg which can also be seen from the table. See more of Textile Calculation on Facebook We are using this yarn calculator software for required weaving calculation. In another article, I have presented some mathematical problems and solutions to sizing. The yarn that remains from the woven piece that goes through the heddles and to the rod at the end of the weaving is also waste. GSM Calculation for Woven Fabric: GSM (Gram per square meter) is an important matter in the textile sector. 1. In another article, I will try to present the other method of weft yarn weight calculation … on the electricity consumption of each step of weaving processes [14]. Calculate the Yarn Consumption of a Loom #Loom #YarnConsumption. 74kg cotton consumption calculations is that the output The Conversion Rate from fibre to yarn is therefore 74% The Fibre Loss Rate is 26% (100% - conversion rate) The Yarn to Fibre Multiplier is 1.35 (ratio of 100 to 74) Calculating the total cotton consumption given the weight of yarn involves multiplying the yarn weight by 1.35. Usually, the bigger the loom, the larger the waste. ... this tool, you will input the finished width and length you want, your sett, and a number of other details, and it will calculate exactly how much yarn you need. Considering you haven't mentioned the type of fabric under study, I will consider you are mentioned the plain fabrics used for shirting. Specific energy consumption of 20 tex combed weaving yarn is recorded as 3.64 kWh/kg whereas; the calculated consumption in the present study takes the value of 3.32 kWh/kg for the same yarn. The main factors involved in calculating yarn consumption are, 1. Alpay [16] showed the calculation of energy consumption during basic weaving func-tions, such as shed opening, weft inser-tion, beating up in weaving machines and Loom Speed Calculation: The speed of a plain loom depends on the reed space of the loom. So when you order more yarn or go to your local yarn shop, you can’t find the same dye lot, and you are left with a project which is not up to your standards. Knot factor =_____ No. Not only do you now know how to calculate … Calculate the yarn consumption of a loom per hour running at 180 PPM for producing 40 60 56 72 48 × ′′× × fabric. Weaving is a method to produce fabrics by the right angle interlacement of 2 sets of yarn –named as warp [longitudinal direction or length-wise direction] and weft [transverse direction or width-wise direction]. 1. Wider the loom more is the time taken by the shuttle to pass from one box to another, the speed of a loom fitted with a dobby, jacquard, or a drop-box mechanism will be less than the speed of a plain loom of the same reed space because some other factors come into play. He was developed a yarn calculator which can help to determine how much yarn is required for a weaving project. Direct System. GSM of the fabric 2. Solution: Fabric consumption for the woven bottom will be discussed below in part by part: Let, Fabric width- 56” (Here, the given fabric width is 56”, during sewing, we cannot use the edge of a fabric. In air-jet weaving, the filling yarn is inserted with the help of a jet or puff of compressed air. • Expression of the fineness of Yarn. THE END. Similarly, for the width, dividing the 10” width at reed by the 9” I ended with, I get a ratio of 1.111. WEAVING CALCULATION & USEFUL FORMULAS: Count: A number indicating the Mass per unit Length OR; The length per unit mass of Yarn. Thursday, November 19, 2020. Indirect System 2. Electronic yarn clearer = 3 cm x 3 diameter Diameter in inch for Blended yarn = 1/( 28 x √count ) = 10 to 15% more settings No. So, all time we must exclude 1” from the given fabric width. There are three Systems to Calculate Count - 1. Yarn hairiness is a means of counting the broken fibres that protrude from the surface of a spun yarn, giving the yarn a fuzzy appearance. 1 Hank = 840 yds. Since the highest energy consumption occurs in spinning … Energy consumption for ring spinning machine. *Calculate the costing/pricing of a men’s sweater with crew neck, raglan shoulder, long sleeve, allover 6 line normal cables, and 4 lines normal diamond in 5G 100% acrylic yarn. After calculate the consumption of all t part this way, now we will add all that separate parts consumption tighter ,than we will add wastage percentage based on the fabric nature which we are going to use for that particular garments. Email This BlogThis! Higher GSM fabric is heavier and lower GSM fabric is lighter. of objectionable thick faults removed 2. or 768 meter 1. There are three Systems to Calculate Count - 1. It appears that the differences in manufacturing parameters cause this discrepancy. Running time for 100,000 picks =100,000/loom speed =100,000/180 = 555.5min. Yarn count is a numerical value, which expresses the coarseness or fineness of the yarn. Fabric and yarn sourcing available. Now, calculate the required fabric consumption for the above order. (yes, the exact factor is 12.6, but you will need a little tail for weaving in anyways). Universal System 1 Lea = 120 yd 7 Leas = 1 hank 1 Hank = 840 yds. Labels: warp consumption , weft consumption , Yarn consumption in multi - weft count fabric , yarn contamination. Şenol [15] studied energy consumption and con-servation in weaving preparation. 2. It needs sound knowledge and good practical experience to find out the fabric consumption. or 768 meter. at May 26, 2019. Rigid heddle looms have little waste. Pick density 2. 1. Since the compressed air travels extremely fast, it propels the filling through the warp shed at a much faster rate than the conventional fly shuttle. Indirect System. Electrical energy consumption of 1 kg of yarn changes between 2.7 kWh/kg and 4 kWh/kg. This varies from loom to loom. The required amount of thread to make garments called thread consumption. The online consultancy available. 3. weaving applications. Shipment: 10th September. Dear Bipul vai Thanks for your post. Total No. Direct System 3. Mean Velocity in Weaving Calculate the mean weft velocity in a loom running at 235 picks/min if the shuttle begins to move from 100° to 210° and shuttle movement is measured at 125 cm. Solution: First, we want to find out the running time per 100,000 picks. This weaving yarn calculator helps you figure out how much yarn you need for warp and weft for your weaving projects. we must pay more attention to find out the fabric consumption more accurately or closely. For my little swatch (which is 12 cm wide), I needed a whopping 161cm of yarn to cast off all stitches. Count: • A number indicating the Mass per unit Length OR • The length per unit mass of Yarn. So my warped width, to achieve 10” finished, would be 11.11” at the reed (or 10” x 1.111). Indirect system. Consultancy service available for new and cost effective weaving and processing projects, efficiency ,product quality optimization. 7 Leas = 1 hank . Here is how you can prevent all of that from happening! If you do the math and round it up a bit for good measure, that means you’ll need around 13 times as much yarn as your work is wide for an i-cord bind off. In the case of the weaving process, warp and weft yarn weight calculation is too much important.This article has presented an easy method of warp yarn weight calculation. Weaving calculation 1. Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest. Inches of weft for 1” of weaving = inches Total length of warp* X inches 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. For a 15” wide fabric, I would warp 16.66” wide. Newer Post Older Post Home. True | False 6. Now, this article presents some important formulas for sizing calculations, which are too much important to calculate sizing math. 6.7.1 Air consumption calculation 79 6.7.2 Weaver’s allocation 80 6.7.3 Number of air changes 80 6.8 Fabric inspection 81 6.8.1 Grading systems 81 6.8.2 Points per linear meter/square meter 83 6.9 Exercise 84 7. Sewing threads are basic element of making any kind of apparel so it it highly needed to calculate actual consumption for making any item. Weight: 15 lbs/dzn FOB Factory merchandising say yarn … I have a easy way to calculate Yarn dyeing Booking. Please see as bellow Fabrication : S/J 160 gsm 100%CTN BL : 73cm Slv : 19.5cm Chest : 52 cm If consumption 2.78 kgs Then we have to calculate like this Total consumption/Repeat measurement* Stripe measurement. Min and Maximum Shuttle Velocities The yarn width in the reed is 100cm and the shuttle length, with the curved ends neglected, is 30 cm. METHOD OF YARN CONSUMPTION CALCULATION IN MULTI - COUNT WEFT IN THE FABRIC. P.O. True | False 5. Sizing Calculation Formula in Weaving: To achieve the required quality sized yarn we have to know the calculation method of sizing in weaving. How to calculate the consumption of fabric for a particular garment? CHAPTER - 7 WEAVING CALCULATION & USEFUL FORMULAS: 7.1. Specifc energy consumption for 20 tex combed ring yarn changes between 3.49 and 3.62 kWh/kg among the chosen countries. The yarn characteristic thought to have the most effect on yarn velocity (and therefore, Air Index value) is the yarn hairiness, which is a quantitative means of describing the surface roughness of a cotton- based spun yarn. Let us analyze here how to make this calculation.
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