What is Yarn Count | Yarn Count Calculation ||Tex Wahid.
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Yarn Count Understanding
At first saying sorry for slip of the tongue at 1.47th second of the video.where 40's will be finer then 30;s.
Yarn count is very important term which should be understood by every textile guys.
The yarn count tells you how thick a yarn is, which can tell you a lot about its durability, strength, and comfort. It's an important number, and that means it's one you don't want to estimate. You can probably guess where this is going. We're going to have to talk about math. In a textiles course. I know, I know.
Direct System:
In its most basic sense, the yarn count represents either the mass per unit length, or length per unit mass of the spun yarn. What's that mean? We're actually looking at two different ways to calculate this number, both of which ultimately tell us how fine or coarse the yarn is but which take different routes getting there.
Let's start with the first method for calculating yarn count: the direct system. The direct system treats the length of yarn as the constant in the formula, so what we are calculating is the weight of yarn. Basically, how much does a consistent length of yarn weigh? That's what the yarn count represents. In this system, a higher count represents a heavier, and therefore coarser yarn. Say it with me: In the direct system, higher yarn count= coarser yarnThe basic formula for the direct system looks like this:
N= (W/l) / (L/w)
Indirect System:
.If one way to calculate yarn count is called the direct system, then obviously the alternative method must be called the indirect system. The indirect system flips the formula around, treating the weight (not the length) as the constant. We're asking how long a yarn has to be to meet a specific weight, not how much a specific length weighs. Since we've flipped it around, the number means The formula for the indirect system is literally reversed. Whereas the direct system calculates yarn count as N= (W/l) / (L/w), the indirect system calculates it as N= (L/w) / (W/l). something different. In the indirect system, a higher count indicates finer yarn.
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