Things to note when splitting flowers
2. Precautions for splitting flowers: The location of splitting flowers should be selected where there are many colored yarn roots, light color and tight tissue. Specific precautions are as follows: (1) No matter whether the number of flowers in the whole frame is an integer or there are addition and subtraction heads, the split flowers are generally split in the place where the white or light-colored grid pattern is relatively large. And make the color warp arrangement on both sides symmetrical or nearly symmetrical to keep the fabric appearance neat and facilitate parquet. (2) For varieties with higher requirements for complete patterns, such as bedsheets, etc., the relationship between the effective width of the product and the size of the pattern should be considered when designing. For example, quilt fabric, in order to facilitate the use of double width, the number of flowers in the whole width should be an integer. For domestically sold women’s yarn, it is better to use an integer number for the entire pattern. If there are additions and subtractions, the amount should be reduced completely to reduce waste during sewing. (3) The characteristics of the tissue should be taken into consideration when splitting. For jacquards with looser textures, satin strips, bubble parts of seersucker, wick strips and flowered warp yarns, etc., they should not be close to the edge of the fabric. That is to say, it cannot be used as the starting point for splitting. There should be a plain or twill weave about 1 to 1.5cm away from the edge of the cloth. Because the floating lines of these tissues are long or the structure is loose, it is easy to cause curling during weaving, or the edge yarns are pulled and broken, resulting in unclear openings or side brace defects, and they are easily caught by fabric clamps when finishing the tenter. break. When the above requirements cannot be met, the number of edge yarns can be appropriately increased (for example, 48 original edge yarns can be increased to 56). (4) Split all the flowers in the light-colored parts or the parts with larger patterns. Because when dark yarn is dyed, there are more counter-dyes, and it is easy to break when it is placed on the edge of the cloth during weaving. (5) When splitting flowers, pay attention to the color of the fabric body that is close to the edge of the cloth. It should be the same or similar to the edge of the cloth. This will make the appearance of the fabric uniform. (6) When splitting flowers, pay attention to the number of reed teeth inserted into the machine. . If the number of threads is 2, the number of warp threads on each side after splitting must be an even number. For example, there are 70 light blue strands and 35 strands on each side after splitting. It is inconvenient to put them through the box. It should be changed to 34 strands on one side and 36 strands on the other side. If the number of threads is 3, a total of 13 foil teeth are needed for 39 red strands. When splitting flowers, they should be divided into 6 reeds and 7 reeds, that is, there are 18 and 21 yarns on each side. (7) When splitting flowers, you should avoid towel lines, knot lines, etc. as the starting point, because when the shuttle enters the shed, the opening height is small. When using towel line and knot line as the starting point. As friction increases, breakage increases.
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