As the cotton fiber elongation of 7% to 12%, so the cotton yarn in the water jet loom is not woven yarn; Secondly, the hydrophobic fiber fly less, will not cause due to fly due to no reason to stop, yarn hairiness More need to focus on the effective parts of the clean.

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The weft yarn is almost parallel to the reed during the weft insertion process, so that the weft yarn from the gripper to the twist yarn is parallel to the reed when the shed is closed and the length of the reed does not change. When the weft is moved, the weft is moved in the direction of the weaving, and the weft from the gripper to the twist yarn becomes the length from the gripper to the weaving position. If the weft is not added, this weft yarn to withstand greater elongation, due to the elongation of cotton yarn elongation is small, resulting in weft breakage, so that weaving can not be normal, this is the water jet loom can not weave the key to cotton. To solve this problem, we must add a part of the weft in the process of playing the weft, cotton yarn to achieve continuous weaving.