Similar fabric design method
When two fabrics with the same weave have a certain proportional relationship in terms of yarn linear density, density, shrinkage and mass per unit area, it is often expected that the appearance of the fabric will remain roughly unchanged in imitation and improved designs. In this case, the yarn density, density and weight of the fabric are changed to make the fabric lighter or thicker. This needs to be solved through similar fabric bargaining. Two fabrics that have the same warp and weft tightness and fabric structure but different yarn linear density, density and weight are called similar fabrics. Given two similar fabrics A and B, then: Based on the above relationships, similar fabric design can be carried out. Similar fabric designs are used more in fabrics. Example 15: There is a cotton fabric, the warp yarn is 18.2tex, the warp density is 307 yarns/10cm, the weft yarn is 13.3tex, the weft density is 358 yarns/10cm. It is now planned to change the weft yarn to 9.7tex, and the warp yarn density and fabric density will change. Ask if you want to keep the original style of the fabric. What should be the weft density? Solution: Keep the original style of the fabric, that is, the tightness of the fabric remains unchanged. Using formula (4-38) we get:
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