Development and process design of double-color stepped big-belly composite yarn
To increase the diversity of ordinary yams while changing their color and structure,a stepped large belly composite yarn with a special structure is developed using a three roller fancy twisting machine and a multi form computer control system.Large belly segments with different thicknesses and lengths are designed and their parameters into the system for spinning are inputted,and the structure of the spun yarn is analyzed.The finished yarn has a diverse structure,strong color contrast,and a well distributed belly.The surface of the yarn is uneven.The knitted fabric woven with this yarn has a dense and uniform structure,with distinct features,distinct layers,and a combination of light and dark colors.
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