Teach you how to calculate fabric tightness!

The covering coefficient of the fabric or the tightness of the fabric, the tightness is small, there are gaps between the yarns; the tightness is large, the gap between the yarns is small, and there are superposition phenomena. Tightness Unit: % Longitude (ET) or Weft Tightness (EW):



Calculation Description: For the calculation of the fractional number under the root number, the final data is directly followed by the root number and is equal to the final calculation result.
For example: C30×C30 165×100 63” machine tightness is 48.3
c. Select the corresponding loom according to the different machine tightness (A):
200,000 - 400,000/Taiwan Toyota/Tsudaji
Plain on the tightness range: 40-42
2/1 Twill upper machine tightness range: 42-43
2 or 3/1 on the tightness of 43-45
Satin on the machine tightness 45-47
400,000-600,000 Heavy Weaving Machines (Sumiter/Bicheno Weaving Machines)
Plain thread tightness range: 42-44
2/1 Twill upper machine tightness range: 44-46
2/2 or 3/1 on the tightness 46-48
Satin on the machine tightness 48-50
Above the above tightness range, Dorian or imported rapiers are used.
Super heavy loom 800,000 / Taiwan / Germany Doller loom
Due to equipment limitations, it is not possible to limit the fabric tightness without limit. In comparison, heavy weaving machine weaving costs are higher than the average looms, pedal machine 3.8 points / weft-4 points / weft, jacquard 4 / weft -4.5 points / weft. Although some types of tightness are generally looms weaving, the quality level is not as good as that of a heavy machine. It is like a person with strong physique who pulls a car to run fast and steady, and a person with weak physique is slow to pull a car. It's not too far away.

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