Section 1: Design requirements for craft (scared paper, size paper)
The design of the sweater scare is based on the product's style, size, feel and finished product weight. The production process of the sweater is based on the scary operation requirements. Because the scary design is correct or not. Will directly affect the quality of finished products and labor productivity.
Two: scare design content
The production of sweaters scares mainly include woven sheets (horizontal mobile phones, flower machines, computer machines), ready-to-wear (stitching) and post-finishing, as follows:
(1) Sample analysis, that is, according to the sample data, determine the raw material, the number of yarn counts, the model of the fabric (cloth) weave and density (word)
(2) According to the sample and contract requirements, formulate specifications and sizes, and initially determine the quota of materials used for one piece and auxiliary materials;
(3) Initially determine the shrinkage situation, calculate the first draft of the scare, and carry out the production of the sample.
(4) Based on the sample product, analyze, identify, and determine the production process of scary paper (including horizontal mobile phone, flower machine, computer machine, cutting and discharging plan, sewing plate size and finishing process, washing) Water, etc.)
(5) Calculate the weight of the shirt or the weight of a single piece, weaving, sewing, picking, loss rate and the amount of hair used.
(6) Formulating garment process and requirements.
(7) Determine the weight of the garment shipment.
(8) Organize the scare number and related information archive.
Section 2: Calculation of Square Density (Organization)
In the design process, the accuracy of the square density (hereinafter referred to as the organization) directly affects the level of scare calculation and product quality, so the organization plays an important role in the overall design process. Now that the organization is so important, how do we Let's make a reasonable and correct request. Here are the steps to introduce.
A: According to the order or the guest's request to select the type of needle type, the number of wool varieties and the amount of wool, to determine the word of the attached hand to weave a piece of 30CM × 30CM cloth.
Second: lock the woven cloth piece to seal the eye, sew it into a bag shape and then enter the washing water according to the requirements, dry and smooth, pay attention when ironing, can not forcefully expand or reduce the original area of ​​the cloth, hot time To make the piece of cloth, flat, positive.
Three: Take out the hot cloth piece, put it on the horizontal work surface, measure the number of stitches and the number of revolutions in a certain unit area, and then take out the number of stitches contained in 1CM or 1 inch, the number of revolutions For example, after a piece of 100-pin × 80-turn cloth is washed, the transverse density (width) of the piece is 30CM, the straight density is 30CM, and then the number of needles is 100 pieces. The width of the piece is 30cm=3.33. Support, then use the cloth piece rotation number 80 ÷ cloth piece length 30cm = 2.69 turn its cloth piece to calculate the organization as 1cm = 3.33 × 2.69 rpm, Note: When seeking the organization, in order to avoid reducing the difference in the scare calculation, so Generally only 3 significant digits are reserved.
Four: The calculation formula of the new square organization
In the production process of woolen sweaters, due to the limitation of product weight, the combing and changing of the fabric code is often caused. The change of the fabric code directly affects the square structure. In order to calculate the square structure quickly and easily, it can be calculated according to the following formula:
For example: the code of 10 2.5/8 organization (3.84 × 2.98 rpm) is more than the comb 1 woven 10 2.6/8 inch, now the original word is converted into a score, 2 inches = 16 points + 5 points = 21 points After combing, the code score is: 2 inches = 16 points + 6 points = 22 points, with the original word code 21 points ÷ 22 points = 0.95. Compared with the original code, the original organization is 3.84 ÷ 0.95 = 4.04, the number of revolutions is 2.98 ÷ 0.95=3.14 turns the comb code with the original organization 3.84×0.95=3.65, the number of revolutions is 2.98×0.95=2.83
The above formula is only applicable to the calculation when the word pull force does not change much. If the word code exceeding 3 points or more cannot be used, the square structure should be re-evaluated.

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