加拿大外贸
I have been told that there is a mathematical formula regarding the initial twist ratio of the yarn to the twist ratio when the strands of yarn are plied together. Some of your samples seem to have some spring or tension that makes them behave undesirably, I suspect that this relates to either the initial strands being under or over twisted. I suspect that it would be easy to correct, but that the settings on the spinning frames when plying the yarn may not be correct. Again, I am not a technical person but you can see that the yarn does not want to lie straight.什么意思啊 ？
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有人告诉我，有一个数学公式是计算纱线捻成股时毛线的初始捻比相对于纱线捻比的。你的样品中好像有弹力或张力使其性质有些不对，我怀疑这和初始捻比无论是低于或高于捻比有关。我觉得这很容易纠正，就是在捻线时纺纱机的设置可能不正确。同样，我也不是技术人员，但你可以看到纱摊平时不直。
FYI.
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I have been told that there is a mathematical formula regarding the initial twist ratio of the yarn to the twist ratio when the strands of yarn are plied together.
我提到过一个公式来计算纱线合股时的起捻率和捻率的比值
Some of your samples seem to have some spring or tension that makes them behave undesirably, I suspect that this relates to either the initial strands being under or over twisted.
贵司样品看起来松紧不对，我怀疑是起捻的股数过多或不够所致
I suspect that it would be easy to correct, but that the settings on the spinning frames when plying the yarn may not be correct.
我想要改正并不太困难，但是也有可能是合股时spinning frame的设置不正确的原因
Again, I am not a technical person but you can see that the yarn does not want to lie straight.
当然，我并不是技术……你看纱线并没有拉直
FYI
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