With the gradual improvement of the quality of life, cashmere known as "soft gold" and "fiber diamond" has gradually entered the lives of ordinary people. Among them, cashmere sweaters are the most popular because cashmere sweaters have strong extension and good elasticity. Close to the human body, with a better warmth, comfortable to wear, so it is more and more popular with people, then how is this cashmere sweater that people hailed as "soft gold"? Here's a brief introduction:
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Cashmere is the “Golden A†of the garment industry. A mature goat can only collect 10 to 40 grams of cashmere each year. Weaving a cashmere sweater requires 3 to 5 sheep to “dedicateâ€. The velvet collected from these goats was selected, followed by washing, washing, carding, dyeing, drying, closing, combing, spinning, spinning, plying, twisting, and winding. The cashmere yarn, which is the basic material for weaving cashmere sweaters, was produced in this way. Next is the production of cashmere sweaters:
Cashmere sweater production process is roughly divided into the following steps:
Cashmere yarn into the factory → raw material inspection → flat knitting machine → film inspection → sleeve → hand sewing → seam inspection → light inspection → shrink hair → hair selection → light inspection → repair inspection → ironing → labeling → finished product inspection → sampling inspection → packaging → Out of the library.
(1) After raw materials of cashmere yarn are put into the warehouse for storage, the test and testing department shall take samples in time to inspect the items such as the calibrating line density of the yarn and the evenness of evenness of the yarns.
The raw material's linear density deviation, strip evenness, moisture regain, and color fastness have a direct impact on the quality of the product. Therefore, inspecting the raw materials and finding problems, the process can be revised in time, and technical measures can be taken to prevent the quality of the finished products from being affected.
(2) Cashmere sweater knitting equipment, cashmere sweater type knitting is the main process for the production of cashmere sweater. The knitting machines include ordinary flat knitting machines and computer flat knitting machines. Because the flat knitting machine has relatively more advantages, such as the use of increasing or decreasing the number of needles to weave garments adapted to the human body, without the need to cut through garments, saving raw materials and reducing processes, changes in pattern, change the varieties Convenience and so on, so most sweater companies choose flat knitting. The general knitting machine equipment is divided into two kinds of thick needles and fine needles. Therefore, the cashmere sweater is divided into different types of needles:
Cashmere sweater can be divided into the following needle types according to the knitting needle type: 16 needles, 14 needles, 12 needles, 9 needles, 7 needles, 5 needles, 3 needles, and rod needles.
According to the organizational structure is divided into: plane, twisted flowers, drawing, jacquard, intarsia, embroidery, printing, and other. According to the type of cashmere sweater weaving can be divided into two types: full forming and cutting, but most of them are formed.
(3) Inspection
After the garments produced on the flat knitting machine are unloaded, they must pass the inspection on a piece-by-piece basis to meet the requirements before entering the garment process. The content of the garment inspection includes the specifications of the garment (ie, the length of a single sheet, the length of the ribs, the number of rotations of the clips, the number of receipts, etc.), the weight and appearance quality of the single sheet, and the appearance quality including the missing needles, flower needles, and blank appearance sheets. Silk and so on.
The density and specifications of the garments should be checked after the garments are fully retracted. During the knitting process, the longitudinal stretching of the threading board, hanging hammer, etc., combined with the tension during the knitting, makes the density of the clothing after the next machine, the size of each part and the actual requirements of the finished product have great differences, so after the machine is down The garments, after being allowed to stand for a certain period of time, do not retract to reflect the actual density and specifications. However, this method of natural retraction (relaxation contraction) takes a long time. In practice, various external pressure methods are used, such as group contraction, contracture, and curling, to rapidly retract the garment.
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(4)
This link is the use of machine-stitched methods to form a ready-to-wear garment.
(5) Hand sewing
Some of the inconveniences of the cashmere sweater with the details of the machine stitches are that the parts to be joined are stitched by hand stitching, such as collars, cuffs, and buttons and other auxiliary materials of the clothes, and the effect of hand sewing will be better.
(6) Seam inspection
After all the pieces of clothing and accessories are sewn together, in order to prevent the joints from being firmly sewn and the needles or seams are unsightly, it is necessary to check them again.
Needle seam requirements: The seams of the cashmere sweater should have corresponding stretchability and strength with the shirt body, except for the pockets. In principle, the suture must be the same as the raw material, color, and yarn line density of the cashmere sweater, and the carded product should have a combed cashmere yarn used for the suture and the machine face. The bottom line of flat seams, overlocks, etc. must not be excessively twisted, and should be soft, elastic, smooth, and sufficiently strong.
(7) Light inspection
One of the key steps of the inspection is to put the cashmere sweater on a special mold. Through the lights, you can see the needles and needles on the cashmere sweater more clearly so that problems can be solved in time.
(8) Shrinkage
Hair shrinkage belongs to the wet finishing process. It uses the shrinking property of cashmere fibers to make the fibers wet and hot to infiltrate. The scales expand and soften. Under the action of friction, they exhibit short velvet, fullness of hand and improved appearance. The auxiliaries, temperature, bath ratio, time and other parameters used in the milling must be selected properly. During the process of puddling, the degree of puddling must be checked halfway, and the suede standard should be compared to avoid over-contraction.
(9) Selecting hair
Choosing some of the smirf and non-coloured fibers attached to the cashmere sweater makes the cashmere shirt look more tidy.
(10) Light inspection
The method of lamp inspection is the same as step 7 in order to detect the cut monofilaments caused by tools such as rakes in the process of hair selection.
(11) Examination
Repair all missing needles, broken needles, and broken monofilaments.
(12) ironing
The aim of ironing is to shape the product and maintain the style characteristics. The appearance is smooth and comfortable. When ironing, put the sweater on the template to meet the specifications, to prevent "hot yellow, aurora" during operation.
(13) Nailing
After finishing the ironing, a cashmere sweater is basically formed. At this time, it is generally necessary to nail the trademark, the washing standard, the size table, etc. to the prescribed position. If there is a tag, it is still necessary to hang the tag, so that the complete cashmere sweater is truly born. Now.
(14) Finished product inspection
Finished product inspection is a comprehensive inspection before the product leaves the factory. There are three special procedures for retesting, sorting, and sorting in the cashmere sweater inspection, including appearance quality (dimension tolerance, appearance defect), physical index (weight of a single piece, needle circle density) and so on.
In the process of finishing, a small number of defects that do not belong to the scope of return, such as the oil stains that can be removed, detachment, etc., can be repaired at any time.
(15) Testing
Some problems found after the inspection of the finished product are repaired, all products should be basically no problem, but in order to ensure that the product has a high quality, it is necessary to carry out another inspection from a random part of the goods, if the inspection is all qualified Can be rear.
(16) Packing
Qualified cashmere sweaters are folded as required, packed in bags, and placed flat in cartons.
(17) out of storage
All cashmere sweaters are qualified products after the above 16 steps. Only then can they be released as a commodity.
After reading the above production process, it can be seen that a cashmere sweater needs to go through such tedious steps before being worn on the body. It is not difficult for us to analyze why the cashmere sweater is called the "gold a" or "soft gold" of the garment industry. The reason is.
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