[Knowledge] Types of knitted fabrics and related knowledge

Knitted fabric

According to the weaving method, it can be divided into two types: weft knitted fabric and warp knitted fabric. Below we will introduce the knitted fabric in detail according to its structure and composition.

Weft knitting

Weft-knitted fabrics are often made of low-elastic polyester yarn or special-shaped polyester yarn, nylon yarn, cotton yarn, wool yarn, etc., using flat needle structure, changing flat needle structure, ribbed flat needle tissue, double ribbed flat needle tissue, jacquard tissue, hair Circle organization, etc., woven on various weft knitting machines. It has many varieties, generally has good elastic elongation, soft fabric, strong anti-wrinkle, strong hair feel, and easy to wash ears and dry. However, its hygroscopicity is poor, the fabric is not stiff enough, and it is easy to disperse and curl. The chemical fiber fabric is easy to fluff, pilling and hooking. .

Main species

1. Polyester yarn-dyed knitted fabric: The color of the fabric is bright, beautiful, with color tone, the texture is tight and thick, the texture is clear, the hair style is strong, and there is a woolen tweed style. Mainly used for men's and women's tops, suits, windbreakers, vests, skirts, cotton jacket fabrics, children's wear, etc.;
2, polyester knitted fabric: This fabric is tight and thick, firm and wearable, crisp and flexible. If the raw material is made of spandex containing spandex, it can be woven into elastic knit denim with better elasticity. Mainly used for trousers for men and women;
3, polyester knit wick fabric: the fabric is well-defined, thick and full, strong elasticity and warmth. Mainly used for men's and women's tops, suits, windbreakers, children's wear and other fabrics;
4, polyester cover cotton knitted fabric: the fabric dyed after the shirt, jacket, sportswear fabric. The fabric is crisp and anti-wrinkle, firm and wear-resistant, and it is moisture-absorbing and breathable on the body, soft and comfortable;
5, artificial fur needle fabric: fabric feel thick, soft, warm. According to different varieties, it is mainly used for coat fabrics, garment linings, collars, hats, etc. Artificial fur is also woven by warp knitting.
6, velvet knitted fabric: fabric feel soft, thick, firm and wearable, fluffy thick towering, soft color. Mainly used as outerwear fabric, collar or hat material. It can also be made by weaving, for example: warp knitted looped fabric;
7. Hong Kong-style knitted woolen cloth: It has the smooth, soft and bulky feel of cashmere fabric, and the silk fabric has the characteristics of soft gloss, good drape, no shrinkage and breathability. Mainly used as spring, autumn and winter fashion fabrics.

Warp

Warp knitted fabrics are often made of synthetic filaments such as polyester, nylon, vinylon and polypropylene, and are also woven from cotton, wool, silk, hemp, chemical fiber and blended yarn. The utility model has the advantages of good longitudinal dimensional stability, firmness of the fabric, small dissociation, no curling, good air permeability and the like. However, its lateral extension, elasticity and softness are not as good as weft-knitted fabrics.

Mainly

1. Polyester warp-knitted fabric: The cloth surface is flat and the color is bright, and it is thick and thin. The thin type is mainly used for shirts and skirt fabrics; the medium-thick and thick type can be used for men's and women's clothing, windbreakers, tops, suits, trousers and other fabrics;

2, warp knitted fabric: mainly used for winter men's and women's coats, windbreakers, tops, trousers and other fabrics, fabric drapability, easy to wash, fast drying, non-iron, but in the use of static electricity accumulation, easy to absorb dust;
3, warp knitted mesh fabric: taking the mesh fabric texture is light, elastic and breathable, feel smooth and soft, mainly used as summer men's and women's shirt fabric;
4, warp knitted velvet fabric: surface fluff thick towering, feel thick, full, soft, flexible, warm, good for winter clothing, children's clothing fabric;
5, warp knitted terry fabric: This fabric has a full and thick hand, the body is firm and thick, elastic, hygroscopic, warm, good terry structure, good performance, mainly for sportswear, lapel T-shirt , sleepwear, children's wear and other fabrics.

A pure wool worsted fabric. Most of the texture is thin, the surface is smooth, and the lines are clear. The luster is naturally soft and has a smooth glow. The body is crisp, soft and flexible. After loosening the material, it is loosened, basically no wrinkles, and even if there is a slight crease, it can disappear in a short time.
Two pure wool woollen fabrics. Most of the texture is thick, the face is full, the shade is soft and the light is full. The noodles and suede are not exposed. The textured weave is clear and rich. Gentle, firm and flexible.

What is the difference between knitted fabric warp knitting and weft knitting?


Warp-knitted warp knitting with multiple yarns simultaneously looped along the longitudinal (warp direction) of the fabric

Weft knitting weft knitting with one or more yarns in the order of the transverse (weft) of the sector

Weft-knitted knitwear can be formed with at least one yarn, but in order to improve production efficiency, a plurality of yarns are generally used for weaving; and a warp-knitted fabric is a fabric that cannot be formed, one yarn Only a loop of one coil can be formed.

All weft knits can be detached into a line in the reverse weaving direction, but the warp knit can not .

Warp knit fabrics cannot be hand woven.

Warp knitted fabrics are divided into two categories:
One is Raschel fabric, the main feature is that the flower shape is large, the cloth surface is rough, and there are many holes, mainly for decorative fabric;
The second is tricol fabric, the fabric is fine and the color is small, but the output is high. It is mainly used for covering fabrics and printed fabrics. These fabrics are mostly used for chemical fiber filaments, otherwise the production efficiency is extremely low.

Precautions for garment design using knitted fabrics

1. Using the flexibility of knitted fabrics

Knitted fabrics have good stretchability, and can minimize seams, pleats, splicing, etc. designed for styling during model design. Secondly, knitted fabrics are generally not suitable for the use of the technique of retraction and ironing. Instead, they use the elasticity of the fabric itself or the appropriate application of the wrinkle technique to suit the human body curve. Then the size of the fabric's flexibility becomes an important basis for the design of the model.

The sample of woven garments is generally larger than the area required for wrapping the human body, that is, it has a certain amount of looseness relative to the human body; and the knitted fabrics are particularly flexible fabrics according to the fabric structure used. The yarn is related to the structure.) When designing the sample, not only does it not leave a loose amount, but its sample size can be the same as the human size, and the elastic modulus can be used to reduce the size.

Second, the use of knitted fabrics

The curling property of the knitted fabric is the edge fabric wrapping phenomenon due to the disappearance of the stress in the edge coil of the fabric. Curling is a disadvantage of knitted fabrics. It can cause unevenness in the seam of the garment piece or dimensional change of the edge of the garment, which ultimately affects the overall styling effect of the garment and the size of the garment. However, not all knitted fabrics have curling properties, but fabrics of individual structure such as weft knitted fabrics. For this kind of fabric, the embossing can be carried out by inserting and arranging the embossing. Or the method of piping and inlaying the edge of the garment to solve the problem. The curling of some knitted fabrics has been eliminated during the finishing of the fabric, avoiding the trouble of the design of the template.

It should be pointed out that many designers can take advantage of the fabric's performance and take advantage of the fabric's curling properties. They are designed at the neckline and cuffs of the model, so that the garment has a special appearance and is refreshing. In particular, in the weaving of the formed garment, it is also possible to form a unique pattern or dividing line by utilizing its curling property.

Third, pay attention to the disengagement of knitted fabrics

Knitted fabrics are different in style and characteristics from woven fabrics. The style of their garments must not only emphasize the advantages of fabrics but also overcome their shortcomings. Due to the dispersibility of individual knitted fabrics, it is necessary to pay attention to the design and production of some knitted fabrics. Do not use too much exaggeration. Cut the provincial and cutting lines as much as possible, and the stitching should not be too much to prevent the knitting. The dissociation of the coil affects the take-up of the garment, and the simple and soft lines should be used in harmony with the soft and versatile style of the knitwear.

Source: Network

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