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Knowledge of hosiery and raw materials

Date: 2016-05-07 15:33:44 Clicks:

Knowledge of hosiery and raw materials

One: The difference between fully computerized hosiery and semi-automatic hosiery

The computer system of the fully computerized hosiery machine is completely different from the computer system of the semi-automatic hosiery machine. The control system fully computerized socks knitting machine adopts the rollerless design. The semi-automatic hosiery machines are chain and roller. The computerized hosiery knitting machine can complete the whole knitting process of the socks independently. The semi-automatic hosiery requires manual intervention.
There are many other technical differences, but it is not easy for laymen to understand. So I won't introduce them one by one.





two:   Some basic knowledge about the socks production process


A socks pattern design and program making
1: pattern design:

A pair of socks have different styles and different flower colors. This requires designing according to different needs. The form of socks design is a flat design. The format is designed by the craftsman. It uses the presence of a grid to form an overall pattern. The current design It has been replaced by a computer. Its design program principle is to convert the pattern code designed by the computer into the identification code of the hosiery machine. The jacquard needle is controlled by the jacquard blade of the needle selector to achieve the purpose of jacquard. Asymmetric, continuous on two sides and continuous on four sides.

What is the difference between 4F, 5F, 6F, and 8F machines? F is the code for the needle selector of the sock machine, 4F is the 4 needle selector of the sock machine, 5F is the 5 needle selector of the sock machine, and so on. There are multiple needle selectors in the socks machine, so more than a dozen colors can be programmed in the same row and column in socks. Note that two colors cannot be programmed in the same needle selector at the same time.

2: program design

A pair of socks has different stages. For example, single-needle jacquard socks are divided into nine stages: zipper mouth, lillo mouth, Luo mouth, upper tube, heel, lower tube, bridge, socks head, and machine thread. You must instruct the triangle and the trowel to advance and retreat. This requires program design. Generally, the basic programs of semi-computer equipment and full computer equipment have been set, but you need to reprogram the program when it encounters a special pattern.

3: pattern making

Pattern making refers to the process of converting graphic manuscripts into identification codes for hosiery machines through computer pattern codes. It includes the steps of designing the number of towns --- drawing patterns-setting yarn paths-setting control information, etc., pattern making and programs Design is tightly coupled.

B socks trial production proofing, stitching, shaping

In order to ensure that the designed product meets the required requirements and that all stages can be carried out smoothly in order to better control the product, a small amount of experiments are required before an order is produced for large-scale production to grasp various data.

According to the customer's instructions, the production model is first established, the number of stitches, the size of the socks include the stretching process, the raw materials of the product, and the fit mode. The second is to establish the auxiliary requirements.

In the process of proofing, establish the socks technology, the sample yarn color card, and the raw material ratio of the socks to prepare for the mass production.

In the proofing process, the seam, shaping and finishing processes are involved. The quality of the product's stitching directly affects the appearance. Today's socks are generally divided into two types: the seam head and the computer seam head.


C about knitting of socks
1: Sock composition: Socks are weft-knitted fabrics. The parts that complete this task in the socks machine are: triangles, socks needles, socks, jacquard needles, and thread shuttles. The specific functions are as follows:

The role of the triangle: make the sock needle, sock film and jacquard needle move according to a certain trajectory.

The role of socks: under the control of the triangle, the knitting needles make radial movement, and complete the work through the steps of adding yarn, bending yarn, long loop, knock-out, and loop-back to achieve the task of knitting.

The role of Sinkers: Under the control of the eyebrow triangle, the Sinkers perform weft movement to prevent the buckle when the sock is out of the loop.

The role of jacquard needle: under the control of triangle and jacquard blade, it can control the sock needle to achieve the purpose of making pattern.

The function of the thread shuttle: make the sock needle regularly knit the yarn.


D. Caliber and needle number of socks

The caliber of the syringe in the socks machine determines the size of the socks. According to age, socks are divided into: male socks, female socks, children's socks, etc. The commonly used calibers are 41/2, 4, 33/4, 31/2, 31/4, etc. , Thick needle machine is generally used: 4, 41/2, caliber of men and women socks are commonly used: 4, 33/4, 31/2. The caliber commonly used in baby socks and baby socks is 31/4.

The number of needles in the socks of the socks machine determines the thickness of the yarn. There are commonly used needles in cotton socks. 200, 176, 168, 156, 144, 132, 120, 108, 96, 84, etc. Common stockings are: 480, 400, 280, 240, 200, etc. The larger the number of stitches, the thinner the yarn.

E about socks

The thickness of the yarn determines the fineness of the socks. It is closely combined with spinning. The commonly used yarns are: 80, 60, 42, 40, 34, 21, 32, 28, 21, 20, 16, 10, etc. The larger the number, the finer the yarn used.


F about the raw materials of socks

Textiles can be roughly divided into the following categories: a: plant fibers b: animal fibers c chemical fibers and regenerated fibers.

Plants include: cotton and hemp. Kapok and so on.

Animals include: wool, rabbit hair, camel hair, silk, etc.

Chemical fibers include: polyester, polypropylene, acrylic, nylon, etc.

Synthetic fiber refers to the raw material of the combination of two kinds of raw materials, it includes: cotton clear, cotton polyester, wool clear, cotton and linen.


G socks raw material burning characteristics:

Cotton: Burn immediately after contact with fire, continue to burn after leaving the flame, smell of burning paper, a small amount of off-white.

Wool: Burns slowly after being ignited, and sometimes extinguishes itself after leaving the fire.

Nylon: It melts and shrinks when exposed to flames, burns slowly, and extinguishes itself after leaving the fire. It has a special odor and a loose and brittle black ash.

Polyester: close to the flame melting and shrinking, slowly burning, leaving the flame to continue burning, aromatic odor, very hard black beads.

Acrylic: It is close to the flame melting and shrinking, and it emits black smoke when burning, with a special odor, which urges the hard and irregular shaped lump.

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