time2021/07/29
Try to separate the wefts of similar colors and don't put them on the adjacent color selection needles to avoid picking mistakes.
The warp stop motion moves forward, and the second half of the shed is shortened, which is beneficial to improve the clarity of the shed and reduce the fabric defects, but the warp breakage will increase.
The nominal reed width of a rapier loom is one of the signs of the rapier loom model. If it is a four-link beating-up loom, the nominal reed width refers to the distance between the two cranks' center; if it is a conjugate cam beating-up loom, The nominal reed width refers to the distance between the centers of the conjugate cams on both sides. The effective reed width refers to the maximum reed width that can be actually used. Relationship between the two--the nominal reed width is bigger than the effective reed width, the difference between the two is around 5cm, e.g., if the loom nominal reed width is 190cm, the actual effective reed width is 185cm. If the loom nominal reed width is 230cm, the actual effective reed width is 225cm.
On-loom reed length = effective reed width + 5.5cm
The reed width should be the sum of the effective reed width and the waste yarn's width on both sides, which is generally 8~12cm according to each mill's situation. If the waste yarn's width is not considered, the volume of weft yarn will be insufficient.
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