CN112080838B - Weft-knitted sandwich fabric and knitting method - Google Patents
Weft-knitted sandwich fabric and knitting method Download PDFInfo
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- CN112080838B CN112080838B CN202010857430.0A CN202010857430A CN112080838B CN 112080838 B CN112080838 B CN 112080838B CN 202010857430 A CN202010857430 A CN 202010857430A CN 112080838 B CN112080838 B CN 112080838B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/02—Cross-sectional features
- D10B2403/023—Fabric with at least two, predominantly unlinked, knitted or woven plies interlaced with each other at spaced locations or linked to a common internal co-extensive yarn system
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/02—Underwear
Abstract
The invention discloses a weft-knitted sandwich fabric and a knitting method, wherein the fabric comprises the following raw materials: PES 75D/36F SD DTY; PES 40D/1F SD FDY and PU40D, the weaving method is that a double-sided circular knitting machine is selected, the inner diameter of a machine table conveying disc is adjusted, a conveying disc belt drives a yarn storage device, yarn is guided into a knitting loop forming area through a yarn feeding nozzle to be woven, different raw material yarns are matched and the length of yarn feeding is adjusted through the arrangement combination of machine table part triangles and knitting needles in the weaving process, and the weft-knitted sandwich fabric with the three-layer composite structure is obtained. The weft-knitted sandwich fabric has good air permeability, good heat preservation and heat insulation performance, good touch comfort, no rough feeling when being contacted with skin when being made into clothes, suitability for being made into close-fitting bra cups by compression molding, strong stereoscopic impression, capability of being directly molded at high temperature, no need of lamination, simple process and process cost saving.
Description
Technical Field
The invention belongs to the field of textiles, and relates to a weft-knitted sandwich fabric and a knitting method.
Background
With the continuous improvement of living standard, people have higher requirements on the wearing comfort and health of the garment materials. The bra is used as indispensable underwear for women, so that people continuously pursue the wearing effect, comfort and health of the bra.
Traditional bra cups are made of foam and various types of cloth. The foam is prepared by foaming TDI, PPG, MC and other chemical raw materials, has the defects of low toxicity, insufficient health, environmental protection, poor air permeability and the like, and is difficult to meet the requirements of health and comfort.
The sandwich fabric on the market consists of an upper fabric, a middle fabric and a lower fabric. The surface is usually a mesh design, with a middle layer of monofilaments connecting the surface to a bottom surface, usually a densely woven flat plate, commonly known as a "sandwich". The prior sandwich fabric is generally formed by weaving three layers of mesh fabrics with the thickness of 1-4mm at one time by using a precise warp knitting machine and adopting high-molecular synthetic fibers, and has the following characteristics: good air permeability, good rebound resilience, difficult deformation, wear resistance, no pilling, convenient cleaning and airing and fashionable appearance.
Because the sandwich fabric woven by warp knitting has rough hand feeling, the sandwich fabric is mainly used in different fields of shoe materials, bags, home textiles, seat cushions and the like, and is less used in clothing. CN105803647A discloses a weaving process of a high-thickness weft-knitted elastic sandwich, which comprises the special adjustment of a steel shuttle component, a loop withdrawing device of a dial coil, yarn tension control and the position movement of the steel shuttle component. The invention effectively solves the problem of weaving high-quality sandwich fabrics for clothing through the process adjustment.
CN109130375A discloses a sandwich fabric and a weaving method, comprising an upper surface layer, a lower surface layer and a middle layer; the fabric is characterized in that the middle layer is woven by warps formed by moisture absorption and sweat releasing fibers, the upper surface layer is woven by warps formed by cold feeling fibers in a criss-cross mode, the lower surface layer is woven by warps formed by bamboo fibers in a criss-cross mode, the upper surface layer, the lower surface layer and the middle layer are provided with uniform meshes, and the fabric has the effect of cooling. CN106968047A discloses a weaving method of a high-modulus low-shrinkage rigid thermal sandwich air layer fabric, which comprises the following steps: (1) selecting raw materials: selecting glass fiber for spinning, hemp and viscose fiber, high-strength polyester fiber and polylactic acid fiber as raw materials; (2) fiber pretreatment: respectively putting the raw materials into pretreatment liquid for pretreatment; (3) spinning: blending the pretreated raw material fibers into a first yarn and a second yarn; (4) weaving: preparing a sandwich air layer gray fabric by adopting a double-sided circular knitting machine; (5) the high-modulus low-shrinkage rigid heat-insulation sandwich air layer fabric is prepared by post-finishing, the knitting method of the knitted fabric is simple, and the knitted fabric can be widely applied to the work clothes which need high-modulus low-shrinkage rigid wear-resistant heat insulation in the building industry and the mining industry.
At present, the sandwich fabric is applied to the production of clothes in autumn, winter and spring, how to improve the touch comfort of the sandwich fabric, and how to develop and design the weft-knitted sandwich fabric suitable for underwear, so that the requirements of consumers are met, the product market is enriched, and the sandwich fabric has important significance.
Disclosure of Invention
In order to solve the technical problems, the invention provides a weft-knitted sandwich fabric and a knitting method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a weft-knitted sandwich fabric comprises: the method comprises the following raw materials:
PES 75D/36F SD DTY ；
PES 40D/1F SD FDY ；
PU 40D 。
preferably, the weft-knitted sandwich fabric comprises the following raw materials in proportion:
PES 75D/36F SD DTY 56%；
PES 40D/1F SD FDY 32%；
PU 40D 12%。
the "PES 75D/36F SD DTY" represents a 75D thick, 36F number of holes semi-dull draw textured yarn polyester; wherein 75D/36F represents a thickness of 75D and a number of holes of 36F; SD represents half extinction; DTY denotes draw textured yarn, and DTY fibers are crimped.
The "PES 40D/1F SD FDY" represents a semi-dull fully drawn yarn polyester having a thickness of 40D and a number of holes of 1F; wherein, 40D/1F represents that the thickness is 40D and the number of holes is 1F; SD represents half extinction; FDY means fully drawn yarn, and the FDY fiber is straight.
The "PU 40D" mentioned above represents spandex having a thickness of 40D.
The invention also provides a weaving method of the weft-knitted sandwich fabric, which comprises the steps of selecting a double-sided circular knitting machine, adjusting the inner diameter of a machine table conveying disc, driving a yarn storage device through a conveying disc belt, guiding the yarn into a knitting loop forming area through a yarn feeding nozzle for weaving, and matching different raw material yarns and adjusting the length of the yarn fed in through the arrangement and combination of machine table part triangles and knitting needles in the weaving process to obtain the weft-knitted sandwich fabric.
Preferably, the number of the incoming lines of the double-sided circular knitting machine is 78, and 6 lines are fed for one cycle.
Preferably, the distance between the upper dial and the lower cylinder opening of the double-sided circular knitting machine is 5.5 mm.
Preferably, the feed of the yarns is arranged as: 1. PES 40D/1F SD FDY is used for half-way 4, PES 75D/36F SD DTY with lining spandex PU40D is used for weaving a lower single-side weft plain weave for a lower needle bed, PES 75D/36F SD DTY with lining spandex PU40D is used for weaving an upper single-side weft plain weave for an upper needle bed, and PES 75D/36F SD DTY with lining spandex PU40D is used for weaving a lower single-side weft plain weave for 2 and 5 ways.
Preferably, the incoming yarn length is: the length of the incoming yarn of the PES 75D/36F SD DTY is 24.5cm/100 needles; the length of the incoming yarn of the PES 40D/1F SD FDY is 51.5cm/100 needles; the length of the inlet yarn of the PU40D is 8cm/100 needles.
Preferably, the machine transfer plate of the double-sided circular knitting machine has a diameter of 10 inches, and the running speed of the machine is adjusted to be 15 revolutions per minute.
Preferably, the PES 75D/36F SD DTY incoming line has a delivery tray inner diameter of 8 inches, and the yarn feeding amount per incoming line is 116 m/min.
Preferably, the PES 40D/1F SD FDY incoming line has a transport disc inner diameter of 9 inches, and the yarn feeding amount per incoming line is 244.7 m/min.
Preferably, the PU40D feed line has a transfer plate with an inner diameter of 7.5 inches and a feed rate of 38 meters per minute per feed line.
The invention has the beneficial effects that:
(1) according to the weft-knitted sandwich fabric, the bottom surface and the front surface of the upper needle bed and the lower needle bed are both weft-flat tissues, the cloth surface of a finished fabric is flat, and the fabric does not have a rough feeling when being contacted with skin when being made into clothes, so that the fabric is suitable for being pressed into close-fitting bra cups.
(2) The intermediate layer of the weft-knitted sandwich cloth is connected by weaving monofilaments, and an air flowing space is arranged in the intermediate layer, so that the weft-knitted sandwich cloth is good in air permeability and good in heat preservation and heat insulation performance.
(3) The elastic fiber spandex is added into the raw materials, so that the shape-preserving performance is good, and the elastic fiber spandex can recover and is not easy to deform after being stretched after being molded at a high temperature.
(4) According to the weft-knitted sandwich fabric, the bottom surface of the fabric knitted by the upper needle bed (dial needles), the front surface of the fabric knitted by the lower needle bed (cylinder needles) and the middle layer are connected with the two sides of the upper needle bed and the lower needle bed by polyester monofilament PES 40D/1F SD FDT through half-contained knitting, and the thickness of the finished fabric is 3mm due to the large yarn feeding length for monofilament knitting, so that the fabric is strong in stereoscopic impression, can be directly molded at high temperature without being attached, is simple in process and saves the process cost.
(5) Compared with the traditional sandwich filled with foamed cotton for lamination, the weft-knitted sandwich fabric provided by the invention has the advantages that the middle of the sandwich fabric is clamped into a support, so that the air permeability is better; meanwhile, the invention replaces the foam pressing cup, avoids the harm of chemical components in the foam to human body, is safer and accords with the modern health concept.
Drawings
FIG. 1 is a diagram of the needle arrangement of the present invention.
FIG. 2 is a schematic view of the triangular arrangement of the present invention.
Fig. 3 is a weave diagram of the present invention.
Detailed Description
For a better understanding and appreciation of the structure, features, and advantages of the invention, reference should now be made to the preferred embodiments illustrated in the accompanying drawings.
The invention provides a weaving method of a three-layer composite weft-knitted sandwich fabric, which comprises the steps of selecting a double-sided circular knitting machine, adjusting the inner diameter of a machine table conveying disc, driving a yarn storage device through a conveying disc belt, guiding yarn into a knitting looping area through a yarn feeding nozzle for weaving, and matching different raw material yarns and adjusting the length of yarn feeding through the arrangement and combination of machine table part triangles and knitting needles in the weaving process to obtain the three-layer composite weft-knitted sandwich fabric.
Specifically, the weaving method of the weft-knitted sandwich fabric comprises the following steps:
(1) raw materials:
52 PES 75D/36F SD DTY;
26 PES 40D/1F SD FDY;
PU40D 52.
(2) The weaving method comprises the following steps:
selecting a double-sided circular knitting machine of Taiwan refined magnesium JT/2F, wherein the stitch length is 28G, the tube diameter is 36', the number of inlet lines is 78, and 6 lines are fed for one cycle, such as knitting needle arrangement, triangular arrangement and knitting drawings shown in figures 1, 2 and 3;
the weaving process is as follows:
A. yarn feeding arrangement: 1. PES 40D/1F SD FDY is used for half-way 4, PES 75D/36F SD DTY with lining spandex PU40D is used for weaving a lower single-side weft plain weave for a lower needle bed, PES 75D/36F SD DTY with lining spandex PU40D is used for weaving an upper single-side weft plain weave for an upper needle bed, and PES 75D/36F SD DTY with lining spandex PU40D is used for weaving a lower single-side weft plain weave for 2 and 5 ways.
B. The length of the yarn is as follows:
the length of the incoming yarn of the PES 75D/36F SD DTY is 24.5cm/100 needles;
the length of the incoming yarn of the PES 40D/1F SD FDY is 51.5cm/100 needles;
the length of the inlet yarn of the PU40D is 8cm/100 needles.
C. The diameter of a machine conveying disc of the double-sided circular knitting machine is 10 inches, and the running speed of the machine is adjusted to be 15 revolutions per minute;
the inner diameter of a conveying disc of the PES 75D/36F SD DTY inlet wire is 8 inches, and the yarn feeding amount of each inlet wire is 116 m/min;
the inner diameter of a conveying disc of the PES 40D/1F SD FDY inlet wire is 9 inches, and the yarn feeding amount of each inlet wire is 244.7 m/min;
the inner diameter of the conveying disc of the PU40D inlet wire is 7.5 inches, and the yarn feeding amount of each inlet wire is 38 m/min;
the cloth sealing of the on-machine batching cloth is controlled to be 212cm, the warp density on-machine batching cloth is 26 threads/cm, the yarn feeding tension is 2N, and the machine speed is controlled to be 15 revolutions per minute.
D. Carrying out dyeing and finishing processing on the obtained weft-knitted sandwich fabric, and specifically comprising the following steps:
s1, performing pretreatment on gray cloth, adding an oil removing agent, and washing with water at 80 ℃, +90 ℃, +75 ℃, +65 ℃, +55 ℃ +30 ℃; tension force: 30N, the machine speed is 15m/min, and open-width washing is carried out for removing oil. The reel car is used for reeling and is to be pre-shaped after being taken out of the machine and is used for beating, so that the situation that middle monofilaments are not laid down and stiff due to folding is prevented;
s2, presetting the mechanical width of the machine at 165cm, the preset temperature of 200 ℃, the wind power of 100 percent and the machine speed of 10 m/min. After-booking specification control limit of 480g/m2 *165cm；
S3, dyeing by using a disperse dye and a dyeing auxiliary agent, and dyeing by using a high-temperature high-pressure overflow dyeing machine at the temperature of 120 ℃, wherein the dyeing time is as follows: dark color for 50min, light color for 20 min;
s4, finishing the finished product with a mechanical width of 175cm, and performing post-shaping treatment at a post-shaping temperature of 200 ℃, a wind power of 100% and a machine speed of 15 m/min.
S5, the width of the finished product of the machine-out cloth seal is as follows: 172cm, weight: 450g/m2And the thickness of the fabric is 3mm, and the weft-knitted sandwich fabric is obtained.
Comparative example 1
Sandwich fabrics prepared according to CN 106968047A.
Comparative example 2
Sandwich fabrics prepared according to CN 109130375A.
Comparative example 3
Cloth prepared according to CN108691081A (lacking dyeing process).
Experimental example I test of comfort in touch
12 women with textile and clothing specialities were selected as subjects. The subject has systematic knowledge for textile/clothing products, can comprehend the requirements of the experiment, has certain knowledge on the comfort of the clothing, can better distinguish and clear the feelings of different levels, and can express subjective feelings more accurately. The subjective evaluation test used two major sites, the medial forearm and the hand. In the beginning of the experiment, a test subject actively contacts with the test sample in sequence to evaluate the touch comfort of the back surface of the fabric, the evaluation result is subjected to mean value processing, and the higher the score is, the better the touch comfort of the fabric is. The subjective sensory index and the touch method involved in the evaluation test of the fabric tactile comfort are as follows:
the right hand of the testee wears the rubber gloves, the reverse side of the fabric is attached to the inner side of the left forearm of the testee, and the right hand is used for lightly pressing and lightly moving the fabric to enhance the itching feeling;
smooth feel, the ease with which the hand slides over the fabric surface is felt.
Fluffy feel, pressure applied by hand to the fabric in a direction perpendicular to the fabric, and the degree of fluffy or tightness of the fabric was evaluated.
Soft feel, repeated grasping and releasing of the fabric by hand, and evaluation of the stiff or soft feel of the fabric. The results are shown in Table 1.
TABLE 1 tactile comfort of weft-knitted sandwich fabrics
| Itching feeling/score | Slippery feel/score | Fluffy feeling/score | Soft feel/score | Haptic comfort/score | |
| The invention | 6.2 | 8.9 | 5.9 | 7.4 | 7.1 |
| Comparative example 1 | 4.9 | 4.6 | 4.2 | 6.5 | 5.1 |
| Comparative example 2 | 5.2 | 4.2 | 4.8 | 5.2 | 4.9 |
| Comparative example 3 | 5.5 | 4.8 | 4.9 | 4.8 | 5.0 |
As can be seen from Table 1, the touch comfort of the weft-knitted sandwich fabric prepared by the method is 7.1, which is much higher than that of other sandwich fabrics, and the touch comfort of the weft-knitted sandwich fabric is good, so that the weft-knitted sandwich fabric is more suitable for serving as an underwear fabric.
Experimental example two
The performance of the weft-knitted sandwich fabrics prepared according to the invention and the fabrics prepared according to comparative examples 1, 2 and 3 were tested, wherein,
and (3) heat preservation performance test, referring to GB/T11048-2008 'determination of thermal resistance and wet resistance of textile physiological comfort under steady state condition' static flat plate method, respectively cutting 3 samples of 30 cm multiplied by 30 cm by a YG606 flat type textile heat preservation instrument, and determining the heat transfer coefficient of the textile.
Moisture permeability test, reference GB/T12704.1-2009 section 1 of textile fabric moisture permeability test method: wet absorption method, 3 test pieces with a diameter of 70 mm were cut out, and moisture permeability test was performed in a test chamber to calculate the moisture permeability of the fabric.
Air Permeability test, see GB/T5453-1997 determination of air Permeability of textile fabrics. The test results are shown in table 2 below.
TABLE 2
As can be seen from Table 2, compared with the prior art, the weft-knitted sandwich fabric prepared by the invention has high air permeability and moisture permeability and low heat transfer coefficient, and the weft-knitted sandwich fabric prepared by the invention has good air permeability and moisture permeability and has good heat insulation and heat preservation functions.
In conclusion, the weft-knitted sandwich fabric has the advantages that the bottom and the front of the upper needle bed and the lower needle bed are both weft-plain tissues, the cloth surface of the finished fabric is flat, the manufactured clothes do not have rough feeling when contacting with skin, and the weft-knitted sandwich fabric is suitable for being pressed into close-fitting bra cups.
The intermediate layer of the weft-knitted sandwich cloth is connected by weaving monofilaments, and an air flowing space is arranged in the intermediate layer, so that the weft-knitted sandwich cloth is good in air permeability and good in heat preservation and heat insulation performance.
The elastic fiber spandex is added into the raw materials, so that the shape-preserving performance is good, and the elastic fiber spandex can recover and is not easy to deform after being stretched after being molded at a high temperature.
According to the weft-knitted sandwich fabric, the bottom surface of the fabric knitted by the upper needle bed (dial needles), the front surface of the fabric knitted by the lower needle bed (cylinder needles) and the middle layer are connected with the two sides of the upper needle bed and the lower needle bed by polyester monofilament PES 40D/1F SD FDT through half-contained knitting, and the thickness of the finished fabric is 3mm due to the large yarn feeding length for monofilament knitting, so that the fabric is strong in stereoscopic impression, can be directly molded at high temperature without being attached, is simple in process and saves the process cost.
Compared with the traditional sandwich filled with foamed cotton for lamination, the weft-knitted sandwich fabric provided by the invention has the advantages that the middle of the sandwich fabric is clamped into a support, so that the air permeability is better; meanwhile, the invention replaces the foam pressing cup, avoids the harm of chemical components in the foam to human body, is safer and accords with the modern health concept.
The present invention has been further described with reference to specific embodiments, which are only exemplary and do not limit the scope of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (1)
1. The weft-knitted sandwich fabric is characterized by comprising the following raw materials:
PES 75D/36F SD DTY；
PES 40D/1F SD FDY；
PU 40D；
the weft-knitted sandwich fabric comprises the following raw materials in percentage by weight:
PES 75D/36F SD DTY 56％；
PES 40D/1F SD FDY 32％；
PU 40D 12％；
the specification of the weft-knitted sandwich fabric is 172cmx450g/m2The thickness is 3 mm;
the weaving method of the weft-knitted sandwich fabric comprises the following steps: selecting a double-sided circular knitting machine, adjusting the inner diameter of a conveying disc, driving a yarn storage device through a belt of the conveying disc, guiding yarns into a knitting looping area through a yarn feeding nozzle for knitting, and matching different raw material yarns and adjusting the length of yarn feeding yarns through the arrangement combination of machine part triangles and knitting needles in the knitting process to obtain the weft-knitted sandwich fabric;
the arrangement of the knitting needles of the upper dial of the double-sided circular knitting machine is 12; the arrangement of the knitting needles of the lower needle cylinder of the double-sided circular knitting machine is 21;
the triangular arrangement of the double-sided circular knitting machine is as follows:
route 1: tucking, not weaving, tucking;
lanes 2 and 5: knitting, looping and looping are not performed;
lanes 3 and 6: looping, non-weaving and non-weaving;
and a fourth path: no weaving, tucking, no weaving;
the number of inlet lines of the double-sided circular knitting machine is 78, and 6 lines enter one cycle;
the yarn feeding arrangement of the yarn is as follows: 1. PES 40D/1F SD FDY is used for half-way 4, PES 75D/36F SD DTY with lining spandex PU40D is used for weaving a lower single-side weft plain structure for a lower needle bed, PES 75D/36F SD DTY with lining spandex PU40D is used for weaving an upper single-side weft plain structure for an upper needle bed, and PES 75D/36F SD DTY with lining spandex PU40D is used for weaving a lower single-side weft plain structure for a lower needle bed and for 5 ways;
the PES 75D/36F SD DTY is 24.5cm/100 needles; the PES 40D/1F SD FDY is 51.5cm/100 needles; the PU40D is an 8cm/100 needle;
the inner diameter of a conveying disc of the PES 75D/36F SD DTY inlet wire is 8 inches, and the yarn feeding amount of each inlet wire is 116 m/min;
the inner diameter of a conveying disc of the PES 40D/1F SD FDY inlet wire is 9 inches, and the yarn feeding amount of each inlet wire is 244.7 m/min;
the inner diameter of the conveying disc of the PU40D inlet wire is 7.5 inches, and the yarn feeding amount of each inlet wire is 38 meters per minute.
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| CN113481649B (en) * | 2021-07-22 | 2024-01-26 | 盐城工业职业技术学院 | Sandwich structure fabric and weaving method thereof |
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| CN105803647B (en) * | 2016-05-16 | 2017-09-01 | 江苏新凯盛企业发展有限公司 | A kind of weaving of the weft-knitted elastic force sandwich of high thickness |
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| CN108691080A (en) * | 2018-05-23 | 2018-10-23 | 清远万家丽针织印染有限公司 | A kind of weaving method and dyeing of two-sided discoloration cloth |
| CN110344163A (en) * | 2019-07-26 | 2019-10-18 | 广东德润纺织有限公司 | A kind of production technology of the two-sided cloth of napping class weft knitting interlayer |
| CN110965195A (en) * | 2019-11-30 | 2020-04-07 | 广东德润纺织有限公司 | Weft-knitted jacquard interlayer double-sided fabric with comfortable aesthetic feeling and production process thereof |
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2020
- 2020-08-24 CN CN202010857430.0A patent/CN112080838B/en active Active
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