Raw material usage calculation Definition: How many grams of weft and raw materials are required to weave a gray fabric .  1 long fiber  The amount used ( g/m ) = total number of roots × (D/9000) × 1.1 Weft usage ( g/m ) = cloth weft density × machine door width × (D/9000) × 1.1 Or = finished weft density × finished door width × (D/9000) × 1.1 Note: 1.1 = 1+10 %, 10 % is the shrinkage rate + loss, generally FDY takes 1.08 , DTY takes 1.12  Example 1 Ditaf On the machine door width 168cm 17thç˜3 wear gray fabric weft density 28 / cm (168 × 17# × 3 in ) Raw material: 63DFDY×63DFDY request: The amount of raw materials used to solve: After the amount = 68 × 17 × 3 × 63/9000 × 1.08 = 64.77 g / m- usage = 168 × 28 × 63/9000 × 1.08 = 35.56g / m is the theoretical gram weight = 64.77 +35.56 = 100g/m  Example 2 75DFDY+100DDTY five satin 12 # ×5 into ×166 30 pieces /cm to find: The amount of raw materials used solution: The amount used = 12 × 5 × 166 × 75/9000 × 1.08 = 89.64 g / m the amount of the weft = 30 × 166 × 100/9000 × 1.12 = 61.97 g / m SHAPE * MERGEFORMAT  2 staple fiber  The amount used = 0.64984 × (via the dense / warp yarn branch ) × door width Weft consumption = 0.64984 × (Weft density / weft yarn count) × width Note: can also be converted to grow the staple fiber, with fiber length formula to calculate, D = 5315 / S  Example 1 70D nylon FDY×21S cotton 133×72 59†Seek: Raw material usage solution: The amount used = 133×59×70/9000×1.08 = 65.91 g/m The amount of weft used = 0.64984 x 72/21 x 59 = 131.4 g/m  Example 2 After: 70D Nylon DTY+30D Spandex Weft: 30S Cotton + 40D Spandex 86 × 58 59†Seeking: Raw materials and raw materials accounted for: Spandex has a draw ratio, typically 30D spandex is calculated as 10-13D , 40D is calculated as 15-18D , shrinkage ratio is generally desirable  Example 3 If 40/3 = 13.33 , press 15-18 The amount of nylon = 70 x 86 x 59/9000 x 1.12 = 44.2 The amount of spandex used = 86 x 59 x 13/9000 x 1.1 = 8.06 Latitude consumption cotton = 58×59×5315/30/9000×1.1 = 74.1 Weft spandex = 58 x 59 x 18/9000 x 1.1 = 7.53 Total = 44.2+8.06+74.1+7.53 = 133.89g/m Spandex ratio=( 8.06+7.53 ) /133.89 = 11.64 % Cotton ratio = 74.1/133.89 = 55.36 % Nylon ratio = 44.2/133.89 = 33 % The amount used = the total number of roots × D / 9000 × 1.1 × (1 + shrinkage ) × ( 1 + evaporative rate) The amount of weft used = gray cloth weft density × upper machine door width × D/9000 × 1.1 × (1 + shrinkage rate ) × ( 1+ steam shrinkage rate)  1 contraction rate Crowd rate = 0.0038× ( T/mm ) × ( T/mm ) × D A multiple D to 10D based 40D-0.1 → 40/10-0.1 = 3.9 50D-0.2 → 50/10-0.2 = 4.8 60D-0.3 70D-0.4 ... 120D-0.9→120/10-0.9=11.1 130D and 120D on the basis of a multiple of the above, the increase for each additional 0.8 10D For example: 150D→11.1+3×0.8=13.5  Example 1 75DFDY 22T/2S2Z Seeking: Resolution: Convergence rate = 0.0038 x 2.2 x 2.2 x ( 75/10-0.5 ) = 12.87 %  Example 2 150DDTY 8T/2S2Z Seeking: Resolution: Convergence rate = 0.0038×0.8×0.8× ( 11.1+2.4 )= 3.28 % 2 Vaporization rate Vapor shrinkage rate is 10T/cm or less, 10-20T/cm is 5 %, and 20T/cm or higher is 6.5% .  3 Addition type: 50D bright FDY 10T/2S2Z Latitude: 75DDTY+40D Spandex 16T/2S2Z On the machine 208 × 15 # × 5 into 30 / cm Seek: Raw material usage solution: The amount used = 208×15×5×50×1.08/9000×[1+0.0038×1×(50/10-0.2)] ×(1+5%)=100.07 Weft consumption = 208×30×1.12× ( 75+18 ) /9000[1+0.0038×1.6×1.6×(93/10-0.6)](1+5%)=82.18 Inverting workshop Sizing costs Polyester FDY 0.03-0.04 yuan / and DTY 0.04-0.05 Yuan / and Nylon FDY 0.05-0.06 yuan / and Batch warping Combined number = total number of roots /1680 pieces of 1680 is the maximum number of rows of raw materials Integer (only) Sub-section warping 0.1-0.5 yuan / m The maximum number of rows of cheese is generally 800 low- elastic network wire directly on the sub-strip 0.06-0.1 yuan / m  Example 1 The 70D nylon FDY 168×70 # × 2 into Seeking: sizing puzzling: 168 x 70 x 2/1680 = 4 and 4 x x 0.05 = 0.2 yuan / m Twisting costs 300 yuan / ton . Special 600 yuan / ton . 300 yuan / ton .æ» = 0.0003 yuan / g. æ» fee = amount of twisted silk (g) × degree of twist ( T/cm ) × 0.0003 yuan /g.  Example 2 Chiffon by: 75DFDY 20T/2S2Z Latitude: 75DFDY 20T/2S2Z 19 # × 2 into × 175cm 28 roots / cm Seeking: æ» æ» æ» æ» æ»: Raw material usage = 175 × ( 19 × 2 + 28 ) × 75/9000 × 1.08 [1 + 0.0038 × 2 × 2 × ( 75/10-0.5 ) ] × ( 1 + 6.5 %) = 122.5 g/m æ» fee = 122.5×20×0.0003 = 0.735 yuan weaving quotation Weaving quotation = cloth weft density × weaving fee (yuan / shuttle) The cost of weaving is related to the degree of weaving of the variety and the loom. Sprinkling product weaving cost reference 1 Dytax , Chun Yafang and other 170T, 180T, 190T210T 0.01-0.015 yuan / shuttle 240T, 260T, 290T, 310T 0.015-0.025 yuan / shuttle 370T, 380T, 390T, 400T 0.025-0.035 yuan / Shuttle Extinction than semi light variety 0.005 yuan / shuttle 2 peach skin, Hua Yao, satin, etc. 0.02-0.03 yuan / shuttle (encrypted species plus 0.01 yuan / shuttle) Large cycle, powerful, elastic species 0.03-0.05 yuan / shuttle Jet Variety Weaving Cost Reference Jinmian, Mianjin, etc. 0.05 yuan / shuttle (coarse and latitude coarse or encrypted plus 0.01-0.02 yuan / shuttle) Metal cloth, double cloth 0.0-0.2 yuan / shuttle Shuttle Weaving Machine Variety Weaving Cost Reference Flat cloth, poplin 0.02-0.03 yuan / shuttle  Example 1 170T polyester taffeta 61DFDY×61DFDY finished 150cm 166×17 # × 2 into Raw materials: 1.4 million / ton solution: Raw material price is 165/2.54×150×61/9000×1.08 = 71.33g/m 71.33×0.014=1yuan /m Note: Due to fierce competition, 170T polyester taffeta market is generally less than 170 , only 165 . The former price is 166×17×2/1680 = 3.4 ie 4 and 4×0.03 = 0.12 Yuan /m The weaving price is calculated as 0.01 and 26×0.01 = 0.26 Yuan /m According to 0.015 , 26×0.015 = 0.39 Yuan /m Grey cloth price = 1+0.12+0.26 = 1.38 yuan /m Or = 1+0.12+0.39 = 1.51 Yuan /m Case 2 Coronal Satin 11,760 pieces : 75D bright FDY 1.56 thousand / ton Latitude: 150DDTY 16T/2S2Z 1.38 million / ton Grey cloth weft density 30 / cm fabric door width: 168cm Solution: Raw material price is 11760×75/9000×1.08 = 105.84×1.56 = 1.651 yuan /m 168×30×150/9000×1.1× ( 1+0.0038×1.6×1.6×13.5 )( 1+5 %)= 109.76 109.76 ×1.38 = 1.515 yuan /m before the price sizing 11760/1680 = 7 and 7×0.03 = 0.21 yuan /m æ» Fee 109.76×16×0.0003 = 0.527 yuan /m Weaving price 0.025×30 = 0.75 yuan /m Grey cloth price = 1.651+1.515+0.527+0.75 = 4.44 yuan /m  Example 2 Jinmian metal cloth After: 70D Nylon FDY 28,000 / ton latitude: A 32S 22,000 / ton 32S + 68D B wire 110 000 / t 158 × 76 59 "3 A B Solution 1: The price of raw materials is: 158×59×70/9000×1.08 = 78.3g/m 78.3×0.028=2.19 /m Weijia = 0.64984 × 76/32 × 59 × 3/4 = 68.3g /m 68.3 × 0.002 = 1.5 RMB /m B = 68.3/3 = 22.76 g/m 68/9000 × 76 × 59 × 1.1 × 1/4 = 9.32 g/m (22.76 + 9.32) × 0.11 = 3.53 Yuan /m The former price is 158×59/1680 = 5.55 , which is 6 and 6×0.6 = 0.36 yuan / and Weaving price 5.9/2.54 = 29.92 29.92/1.05 = 28.5 Shuttle 28.5 x 0.13 = 3.71 yuan /m Grey cloth price = 2.19 + 1.5 + 3.53 + 0.36 + 3.71 = 11.29 yuan /m Open fare = 11.29×1.05 = 11.85 RMB /m A coil zipper is a type of zipper made from coiled plastic. 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