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Fabric simple formula
Issues time:2013-3-23
But the above formula are all standing in the technical personnel from the point of view, the real sales, which have time in the face of the customer when, bother with computer a count.? So the best marketing personnel with the following formula:
1 of the most simple: (shop price, estimated using nuclear collar yarn)
One hundred meters for warp = warp density / count * width: *0.0065
One hundred meters with weft weft density / count * = width: *0.0065
Reasonable: (technician with)
A hundred meters for warp = (warp number * total number of warp / (1- ratio)) /10000*1.01
One hundred meters with weft weft weft count * = *3.937* (reed width + waste) /100000*1.003
Waste -- elastic yarn and 12cm yarn, general 8cm
200 meters of yarn (KG/ m) = (warp density and weft density) X1.1X0.059X width / yarn
Grey square Mick = (precision + weft density) of *1.1*59/ (2.54* yarn.)
= precision *1.1*59/ (2.54* yarn) + weft density *1.1*59/ (2.54* yarn)
Warp weft
A. (weft) dense /2.54-------- inch density conversion to metric density
B. coefficient 1.1------- is considered by (weft), the shrinkage (weft) yarn loss of about 10%, although there is deviation, but as a convenient and fast calculation, no big deal
C.59/ - is the inch of yarn yarn converted to metric count, is a combination of 583.1 cotton, polyester 590.5 conversion coefficient, the coefficient of 590, although there is error, no big deal
Specific unit system conversion D. involved I don't one one lists
Summary: the a * b * C + A * b * C weft
= precision + weft density) *1.1*59/ (2.54* saee) = grey square Mick
E.g. fabric cost accounting data
Each meter yarn weight = (warp density and weft density) X0.065X finished width X1.01
For example: 45s T/C*45sT/C 110*70 58/59 "(cotton yarn prices according to Famitsu: 26000 yuan / ton)
100 meters of yarn weight = (110+70) /45X0.065X59X1.01=15.5KG/ 100 meters per meter yarn weight 155G/M. Yarn dyed fee is 8000 yuan / ton, every meters offer: 15.5X (2.6+0.8) = 5.27 yuan / m, plus public pay 3 yuan / m, after treatment, 1 yuan / m, plus a profit of 0.5 yuan / m, is reported to bid for the 10 yuan / m.
3 for staple calculated square Mick can use the following formula:
The weight = (inch by inch of yarn density /) *23.25
The zonal weight = (inch weft yarn / inch) *23.25
For the filament kind to calculate square Mick can use the following formula:
The weight = (meridional denich * imperial warp density) /228.6
The zonal weight = (zonal denich * inch weft density) /228.6
Fabric weight and final weight conversion
Fabric weight and final weight conversion, such as formula, has the very big deviation and the actual may be, the main reason is divided into two aspects, cloth available formula, as long as the conditions are closer, more accurate results. Because of physical changes, weaving, processing into finished products by the cloth cloth, after finishing a plurality of process, fabric through physical and chemical change, variable increases, involved during the various types of machinery, process and so on, forming the enterprise has a standard different, so the fabric weight and final weight conversion, each enterprise has its standard.
How to establish enterprise conversion formula?
Suggest enterprise the fabric to finished fabric results were collected, then the computer screening the most results as the standard, according to the production condition of the enterprise, to assess its utility, and then set the conversion formula.
Examples: (general cloth, dyeing and finishing of textile technology in general)
Embryo weight = = order finished product weight x embryo weight coefficient
Cloth blank weight coefficient
Flat 92% lines
Double bead 88%
Double clothes 89%
A single bead 93%
Single bit clothing 89%
Plain À­¼Ü 100%
Towel 106%
Double surface 88%
Rib 91%
Luo Wen 83%
Core light 92%.
Lamp wick 87%
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