What is the difference in the organizational structure between knitted fabrics and woven fabrics?
What is the difference in the organizational structure between knitted fabrics and woven fabrics?
Difference between knitted fabric and woven fabric
Knitted fabrics and woven fabrics have their own unique characteristics due to their different methods of weaving, their processing technology, fabric structure, fabric characteristics, and finished product applications.
1, the composition of the fabric:
(A) Knitted fabrics: The yarns are sequentially bent into coils, and the coils are interspersed with each other to form a fabric, and the process of forming the coils by the yarns can be performed laterally or longitudinally. Lateral weaving is called weft-knitting and longitudinal weaving. Called warp knitwear.
(B) Woven fabric: It is composed of two or more sets of mutually perpendicular yarns, which are interlaced with warp and weft at an angle of 90 degrees. Longitudinal yarns are called warp yarns, and transverse yarns are weft yarns.
2, the basic unit of fabric organization:
(A) Knitted fabric: The loop is the smallest basic unit of the knitted fabric, and the loop is composed of a spatial curve of loops and extension lines.
(B) Woven Fabric: Each intersection between the warp and the weft is called the tissue point and is the smallest basic unit of the woven fabric.
3, fabric tissue characteristics:
(A) Knitted fabrics: Since the loops are made by bending the yarns in space, each loop consists of one yarn. When the knitted fabric is subjected to external tension, such as stretching in the longitudinal direction, the bending of the loop changes, and the loop The height of the coil is also increased, while the width of the coil is reduced. If the tension is transverse stretching, the situation is reversed. The height and width of the coil can obviously be converted to each other under different tension conditions, so the stretchability of the knitted fabric is large.
(B) Woven fabrics: Because warp yarns are intertwined with weft yarns where they are somewhat curved, and the warp bends in a direction perpendicular to the plane of the fabric, the degree of bending is related to the mutual tension between warp and weft yarns, and the stiffness of the yarn, when the shuttle is subject to External tension, such as stretching in the longitudinal direction, increases the tension of the warp yarn and decreases the bending, and the bending of the weft yarn increases, such as the longitudinal stretching, until the warp yarn is completely straightened, and the fabric shrinks laterally. When the woven fabric is stretched laterally by external tension, the tension of the weft yarn increases, bending decreases, and warp yarn bending increases, such as horizontal stretching, until the weft yarn is completely straightened, and the fabric is longitudinally contracted. In the warp, weft yarns do not change, unlike knitted fabrics.
4, the characteristics of the fabric organization:
(A) Knitted fabrics: They can stretch in all directions and have good elasticity. Because knitted fabrics are formed by hole-shaped loops, they have greater air permeability and feel soft.
(B) Woven fabrics: Because of the shuttle fabric weft, extension and shrinkage of weft yarn does not change much, and no change occurs. Therefore, the fabrics are generally tight and stiff.
5, physical and mechanical fabric organization:
(A) Knitted fabrics: The physical and mechanical properties of fabrics, including longitudinal, crosswise, square meters, elongation, elasticity, breaking strength, abrasion resistance, hemming, thickness, dispersibility, shrinkage, coverage Sex, bulk density.
(B) Woven fabrics: The physics and mechanics of woven fabrics, including the yarn densities of warp and weft yarns, cloth edges, front and back sides, reverse and reverse hair direction, and fabric coverage.
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