CN108035048B - Weaving method of double-warp three-weft jacquard fabric with double-weft gradient color development - Google Patents

Weaving method of double-warp three-weft jacquard fabric with double-weft gradient color development Download PDF

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CN108035048B
CN108035048B CN201810013849.0A CN201810013849A CN108035048B CN 108035048 B CN108035048 B CN 108035048B CN 201810013849 A CN201810013849 A CN 201810013849A CN 108035048 B CN108035048 B CN 108035048B
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weft
warp
tissue
color
fabric
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CN108035048A (en
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周赳
陆爽怿
刘志娟
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D21/00Lappet- or swivel-woven fabrics
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00Double or multi-ply fabrics not otherwise provided for
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/004Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/54Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured

Abstract

The application relates to a double-warp three-weft jacquard fabric weaving method with double-weft gradual color development, and belongs to the technical field of float fabric weaving methods. Two groups of warps and three groups of wefts are adopted for interweaving, any two groups of wefts develop color gradually on the surface of the fabric, the rest group of weft backing does not develop color, and the gradual color development effect of the jacquard fabric is expressed by the mutual matching of the warps and the wefts in double-layer configuration, and the gradual color development effect comprises the following steps: (1) the novel structure designed by the technical scheme provided by the invention can be used for developing a new product of the double-warp three-weft jacquard fabric with the double-weft gradual color development effect.

Description

Weaving method of double-warp three-weft jacquard fabric with double-weft gradient color development
Technical Field
The application relates to a double-warp three-weft jacquard fabric weaving method with double-weft gradual color development, and belongs to the technical field of float fabric weaving methods.
Background
The proposal and practice of the layered combination design mode effectively solves the technical problem that the digital image is directly used for the structural design of the digital jacquard fabric, and makes the jacquard fabric design break through a plurality of limitations of the traditional jacquard fabric design. At present, a double-warp double-weft gradient color-developing jacquard fabric design method based on a layered combination design mode is already proposed, in order to increase the gradient color-developing effect of the fabric surface, a double-warp double-weft gradient color-developing double-warp three-weft jacquard fabric structure design method is proposed on the basis of the double-warp double-weft gradient color-developing jacquard fabric design method, and due to the fact that the double-warp three-weft structure is complex in change, a literature of the double-warp three-weft structure design method for double-weft gradient color-developing is not recorded at present.
The present application was made based on this.
Disclosure of Invention
In order to enrich the surface color development effect of the existing jacquard fabric, based on a layered combined design mode, a double-layer structure and a combined full color development structure of the jacquard fabric are effectively combined, the application provides a design method of a gradient color development jacquard fabric weave structure with double warps and three wefts as a combined mode, two groups of warps and three groups of wefts are adopted for interweaving, any two groups of wefts develop color gradually on the surface of the jacquard fabric, the rest one group of weft backings do not develop color, and the design of the double-warp three-weft jacquard fabric with double-weft gradient color development is completed through the mutual matching of the warps and wefts of double-layer configured yarns.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
the weaving method of the double-warp three-weft jacquard fabric with double-weft gradual color development comprises the following steps:
(1) construction of an organizational Structure model
In the weave structure design, according to different selections and combinations of surface warp and surface weft, six effective structure models are analyzed and summarized for color development of the fabric surface, wherein warp yarns are a warp A and a warp B, and the warp A and the warp B are respectively expressed from left to right according to the following formula 1:1 arrangement ratio, weft yarns are weft A, weft B and weft C, and the weft yarns are arranged from top to bottom according to the ratio of 1: 1:1 arrangement ratio arrangement;
secondly, when the color-developing surface warp is a first warp and the color-developing surface weft is a first weft and a second weft, the first warp, the first weft and the second weft are interwoven on the surface of the fabric for color development, the second warp and the third weft are used as a back warp and a back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the first warp and the color-developing surface weft is the second weft and the third weft, the first warp, the second weft and the third weft are interwoven on the surface of the fabric for color development, the second warp and the first weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the first warp and the color-developing surface weft is the first weft and the third weft, the first warp, the first weft and the third weft are interwoven on the surface of the fabric for color development, the second warp and the second weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the second warp and the color-developing surface weft is the first weft and the second weft, the second warp, the first weft and the second weft are interwoven on the surface of the fabric for color development, the first warp and the third weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is a second warp and the color-developing surface weft is a second weft and a third weft, the second warp, the second weft and the third weft are interwoven on the surface of the fabric for color development, the first warp and the first weft are used as a back warp and a back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the second warp and the color-developing surface weft is the first weft and the third weft, the second warp, the first weft and the third weft are interwoven on the surface of the fabric for color development, the first warp and the second weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric.
(2) Color-developing tissue design
The method comprises the following steps of designing a double-warp three-weft jacquard fabric color development organization with double wefts gradually changed, selecting a required basic organization I and a required basic organization II, wherein the effective selection range of the basic organization I and the basic organization II is twill or satin in an original organization, the number of warp and weft organization cycles is the same, N is between 5 and 48, and setting full color development technical points for the basic organization I and the basic organization II respectively according to the organization characteristics of the basic organization I and the basic organization II; wherein the content of the first and second substances,
setting a full-color technical point for the basic tissue I according to the tissue characteristics of the basic tissue II, wherein the method comprises the following steps: the tissue points of the basic tissue II are inverted and reinforced upwards along the warp direction 1;
setting a full-color technical point for the basic tissue II according to the tissue characteristics of the basic tissue I, wherein the method comprises the following steps: inverting the tissue points of the basic tissue I and reinforcing the basic tissue I downwards along the warp direction by 1;
based on the basic structure I, under the condition of not damaging the full-color technical points, a group of basic structures with the shadow effect is designed, based on the basic structure II, under the condition of not damaging the full-color technical points, a group of matched structures with the shadow effect is designed, the combined structure of the basic structures and the matched structures after being combined from top to bottom according to the ratio of 1:1 is the color development structure of the double-warp three-weft jacquard fabric with double-weft gradual color development,
when M is N, the number of the basic tissues and the number of the matched tissues are minimum, the corresponding number of the color development tissues is minimum, and the number is (N-2),
when M is 1, the number of basic tissues and matching tissues is the largest, the number of corresponding color development tissues is the largest, and the number is [ (N-2) + (N-3) x (N-1) ],
n represents the number of tissue cycles, and M is the number of tissue dot enhancements by the light.
(3) Design of internal tissue
According to the characteristics of the color-developing tissue and following the principle of interweaving balance, the number of the tissue cycles of the inner tissue is the same as or in integral multiple relation with the number of the color-developing tissue cycles, in order to meet the technical requirement of interweaving balance of a fabric structure, the requirements of the warp and weft interweaving times of the color-developing tissue and the inner tissue are the same, and when the double-warp three-weft jacquard fabric with gradually changed double wefts is designed, a group of weft yarns and the inner warp are interwoven to form the inner tissue.
(4) Tying weave design
The tissue cycle number of the binding tissue is the same as or integral multiple of the color development tissue cycle number,
secondly, when the color-developing tissue is a shadow-light tissue obtained by reinforcing the basic tissue in the weft direction, the color-developing tissue and the inner tissue are connected by selecting an inner warp and outer weft connection method, the connection points are designed to be warp tissue points, the tissue points of the left and right outer warps adjacent to the connection points are required to be warp tissue points, the connection points are ensured to be covered by the outer warps,
(5) color card organization process design
Drawing a color-developing tissue at the interweaving position of the surface warp and the surface weft, drawing an inner tissue at the interweaving position of the inner warp and the inner weft, and lifting all the warps at the interweaving points of the surface warp and the inner weft, namely all the warps are warp tissue points; the warp yarns at the interweaving points of the inner warp yarns and the outer weft yarns are all sunk, namely all the warp yarns are weft tissue points, and the preferred arrangement mode of the first warp yarns and the second warp yarns is from left to right 1:1, the preferred arrangement mode of weft A, weft B and weft C is from top to bottom 1: 1:1, the first and second arrays are arranged in a row,
secondly, drawing a binding structure at the interweaving position of the inner warp and the surface weft when the color developing structure is a shadow-light structure obtained by reinforcing the basic structure in the weft direction,
and thirdly, sequentially finishing the tissue combination design of six interwoven structures according to the characteristics of the two-warp three-weft jacquard fabric organizational structure model with double-weft gradual color development, and establishing organizational libraries, wherein the organization libraries comprise a first warp and a second weft interwoven color development organizational library on the fabric surface, a first warp and a second weft third weft interwoven color development organizational library on the fabric surface, a first warp and a first weft third weft interwoven color development organizational library on the fabric surface, a second warp and a second weft third weft interwoven color development organizational library on the fabric surface, and a second warp and a second weft third interwoven color development organizational library on the fabric surface.
(6) Digital pattern design
The maximum color developing capability of the double-warp three-weft jacquard fabric structure with double-weft gradual color development is related to basic tissue circulation, and the maximum color developing number is as follows: [ (N-2) + (N-3) × (N-1)]2X 6, N represents the number of basal tissue cycles.
The designed digital pattern is in a computer bitmap mode, the digital pattern is formed by six colors, each color is designed with gradient color, the grade of the gradient color is less than the maximum color-developing tissue number, and the digital pattern with six gradient color-developing effects is formed.
(7) Design of combined structure
The six gradient colors in the digital pattern are respectively corresponding to six tissue banks, and each gradient color is replaced by the tissue in the corresponding tissue bank by a one-to-one corresponding method, so that a double-warp three-weft fabric combined structure chart with double-weft gradient color development is formed.
(8) Production of textile applications
The method comprises the steps of adding weft selection information to a double-warp three-weft jacquard fabric combined structure diagram with double-weft gradual color development, setting a proper warp and weft density, selecting two groups of warps, and selecting three groups of wefts, wherein the fabric structure diagram can be directly used for producing the double-warp three-weft jacquard fabric with double-weft gradual color development.
The working principle and the beneficial effects of the application are as follows:
the method is characterized in that a double-layer structure and a combined full-color structure of the jacquard fabric are effectively combined, two groups of warps and three groups of wefts are interwoven, any two groups of wefts develop color gradually on the surface of the fabric, the rest group of weft backing does not develop color, and the gradual color development effect of the jacquard fabric is expressed by the mutual matching of the warps and the wefts which are configured in a double-layer mode.
According to the technical scheme, the combined full-color development structure and the double-layer structure are effectively combined, the double-warp three-weft jacquard fabric with double-weft gradient color development can be developed, the double-warp three-weft in the fabric structure simultaneously participates in the gradual color development of the surface of the fabric, the surface of the fabric can achieve six gradient color development effects, under the constraint of the technical scheme, six groups of gradient effects in a designed digital image can be randomly inserted, a corresponding tissue library can be randomly selected according to the six groups of gradient effects of the design effect, the design and production of the double-warp three-weft jacquard fabric with double-weft gradient color development with various effects are achieved, and the technical requirement of mass production of the fabric is met.
Drawings
FIG. 1 is a schematic view of a pattern of a jacquard fabric according to the present application;
FIG. 2 shows the basic structure and full coloration of the jacquard fabric of the present application;
FIG. 3 shows a basic organization design based on basic organization I in the present application;
FIG. 4 is a schematic illustration of a cooperative organization design based on basic organization II in the present application;
FIG. 5 is a medial, binder weave design of the present application;
FIG. 6 is a schematic view of a structure type double warp three weft jacquard fabric color card weave design in FIG. 1;
FIG. 7 is a color card tissue library of a double-warp three-weft jacquard fabric with double-weft gradient color development, in which the tissue after the combination of the basic tissue and the matching tissue of the structure type weft transition in FIG. 1A is used as a color development tissue;
fig. 8 is a diagram of an actual effect of obtaining jacquard fabric according to the application.
Reference numbers in the figures: 1. carrying out weft knitting; 2. weft insertion; 3. weft insertion; 4. the first meridian; 5. and (B) meridian passage.
Detailed Description
The method of carrying out the present invention will be described in detail by taking 8 satins as an example of the basic structure.
1. In the organization structure design, according to different selections and combinations of surface warp and surface weft, six structural types are obtained through analysis and induction, as shown in figure 1, wherein the warp combination is that a warp 4 and a warp 5 are combined from left to right according to the ratio of 1:1 arrangement ratio, and weft yarns are combined into a weft A1, a weft B2 and a weft C3 according to the following proportion of 1: 1:1 alignment ratio alignment. In fig. 1, the black part represents the weaving position of the front warp and the front weft, and the gray part represents the weaving position of the back warp and the back weft. When the first warp 4 is used as the surface warp and the first weft 1 and the second weft 2 are used as the surface weft, the first warp 4, the first weft 1 and the second weft 2 are interwoven on the surface of the fabric for color development according to the interweaving rule of a color development tissue, the second warp 5 and the third weft 3 are backed on the reverse side of the fabric (see the A structure type in figure 1), and the tissue configuration rules of the B structure type, the C structure type, the D structure type, the E structure type and the F structure type in figure 1 are the same as the A structure type.
2. In fig. 2, 8 sateen picks are used as a base structure I and a base structure II (i.e., (a) and (c) in fig. 2), and the full-color-rendering technique points are set for each of the base structure I and the base structure II in accordance with the structure characteristics of the base structure. Setting a full-color technical point for the basic tissue I according to the tissue characteristics of the basic tissue II by inverting the tissue point of the basic tissue II and strengthening 1 downwards along the warp direction, as shown in (b) of FIG. 2; setting a full-color technical point for the basic tissue II according to the tissue characteristics of the basic tissue I by inverting the tissue point of the basic tissue I and strengthening 1 upwards along the warp direction, as shown in (d) in FIG. 2; based on the basic structure I, under the condition of not destroying the full-color-rendering technical point, the reinforcement is performed by using N-R-8 points, the reinforcement direction is right, left and right, when the full-color-rendering technical point is met, the reinforcement is crossed to form a group of (R-2) -6 basic structures, as shown in figure 3, based on the basic structure II, under the condition of not destroying the full-color-rendering technical point, the reinforcement is performed by using N-R-8 points, the reinforcement direction is left, right and left, when the full-color-rendering technical point is met, the reinforcement is crossed to design a group of (R-2) -6 matching structures, as shown in figure 4. And combining the basic tissue and the matched tissue from top to bottom according to a ratio of 1:1 to obtain 36 combined tissues, namely the color development tissues of the double-warp three-weft jacquard fabric with double-weft gradual color development.
3. According to the characteristics of the color-developing tissue, the design of the lining tissue is carried out, the number of the tissue cycles of the lining tissue is the same as or in integral multiple relation with the number of the color-developing tissue cycles, in order to meet the technical requirement of the interweaving balance of the fabric structure, the requirements of the warp interweaving times and the weft interweaving times of the color-developing tissue and the lining tissue are the same, and the lining tissue designed by matching with the color-developing tissue is shown in figure 5.
4. The color-developing tissue and the inner tissue are bound by selecting an inner warp surface weft binding method through analyzing the structural characteristics of the color-developing tissue, two groups of weft yarns are colored on the surface of the fabric, a basic tissue is selected to be bound with the inner tissue, the binding points are warp points, the binding points are guaranteed to be distributed between the warp points of the left and right surface warps through binding tissue design, so that the binding points are well covered by the surface warps, the first tissue in the basic tissue is selected to be matched with the inner tissue by combining the structural characteristics of the basic tissue and the inner tissue in the color-developing tissue of the double-warp three-weft jacquard fabric with double-weft gradient color development, and the obtained binding tissue meets all the shadow-light transition color-developing tissue. According to the structural characteristics of the color-developing tissue and the interior tissue, a unique and reasonable binding tissue can be obtained, and the binding tissue and the interior tissue are the same tissue, as shown in fig. 5.
5. According to the design of a double-warp three-weft jacquard fabric tissue model with double-weft gradual color development, the tissue structure of a double-warp three-weft jacquard fabric color card with double-weft gradual color development can be designed according to the design idea of a double-layer tissue, and the first warp and the second warp are determined to be 1 from left to right: 1, arrangement, weft A, weft B and weft C from top to bottom 1: 1:1, arranging, drawing a color-developing tissue at the interweaving position of the surface warps and the surface wefts, drawing an inner tissue at the interweaving position of the inner warps and the inner wefts, and lifting all the interweaving point warps of the surface warps and the inner wefts, namely all the interweaving point warps are warp tissue points; and (3) all the warps at the interweaving points of the inner warps and the outer wefts sink, namely all the warps are weft tissue points, and the tying tissues are drawn at the interweaving positions of the inner warps and the outer wefts.
According to the characteristics of a double-warp three-weft tissue structure model with double-weft gradual color development, the designed color development tissue, the designed lining tissue and the designed binding tissue are combined according to fixed positions, and due to the combination mode of six color development warps and wefts and backing warps and wefts, six groups of gradual color development tissues can be obtained after combination, and six tissue libraries are constructed; the structure type A in figure 1 is taken as an example to illustrate the color card tissue design process of the double-warp three-weft jacquard fabric with double-weft gradual color development, the combined tissue of the last basic tissue in figure 3 and the last matched tissue in figure 4 is taken as an example of a color development tissue, color development tissues are drawn at the interweaving positions of the first warp and the first weft and the second weft, lining tissues are drawn at the interweaving positions of the second warp and the third weft, warp tissue points are drawn at the interweaving positions of the first warp and the third weft, binding tissues are drawn at the interweaving positions of the second warp and the first weft, the binding tissues are arranged and unfolded according to the weft direction (1: 1: 1) and the warp direction (1: 1) in sequence, and the color card tissue design schematic diagram of the double-warp three-weft jacquard fabric with double-weft gradual color.
6. Based on the design of the color development tissue, the inner tissue and the binding tissue, the color card tissue of the double-warp three-weft jacquard fabric with double-weft gradual color development is summarized and sorted in consideration of the convenient application of the tissue, and a complete color card tissue library is established. Taking the structure type a as an example, a two-weft gradient color chart tissue library taking a tissue formed by combining a base tissue with a matched tissue in weft transition as a color developing tissue is shown in fig. 7. (for easy observation, the warp structure points on weft A, weft B and weft C are respectively represented by black, dark grey and light grey)
7. The designed digital pattern is in a computer bitmap mode, the digital pattern is composed of six colors, the subject matter of the pattern is not limited, and each color is designed with gradient color to form the digital pattern with six gradient color effects, the six gradient color effects cannot form superposition in the digital pattern, and the maximum color number of the digital pattern is [ (N-2) + (N-3) x (N-1)]2×6。
8. The designed digital pattern is in a computer bitmap mode, the digital pattern is composed of six colors, the subject matter of the pattern is not limited, and each color is designed with gradient color to form the digital pattern with six gradient color effects, and the six gradient color effects cannot be overlapped in the digital pattern.
9. Six gradient colors in the digital pattern are respectively corresponding to six tissue banks, and each gradient color is replaced by the tissue in the corresponding tissue bank by a one-to-one corresponding method to form a double-warp three-weft jacquard fabric combination structure chart with double-weft gradient color development.
10. The method comprises the steps of adding weft selection information to a double-warp three-weft jacquard fabric combined structure diagram with double-weft gradual color development, setting a proper warp and weft density, selecting two groups of color silk yarns as warp yarns, and selecting three groups of color silk yarns as weft yarns. The fabric effect is shown in fig. 8: the surface of the fabric comprises six color hue gradient color development effects.
The above description is provided for the purpose of describing the preferred embodiments of the present invention in more detail, and it should not be construed that the embodiments of the present invention are limited to the description above, and it will be apparent to those skilled in the art that the present invention can be implemented in many different forms without departing from the spirit and scope of the present invention.

Claims (1)

1. The weaving method of the double-warp three-weft jacquard fabric with double-weft gradual color development is characterized by comprising the following steps:
(1) constructing an organization structure model: according to different selections and combinations of surface warps and surface wefts, six effective structural models are analyzed and summarized for color development of the surface of the fabric, wherein the warp yarns comprise first warps and second warps, the weft yarns comprise first wefts, second wefts and third wefts, the warp yarns are combined into the first warps and the second warps from left to right according to the ratio of 1:1 arrangement ratio arrangement, and weft yarns are combined into weft A, weft B and weft C according to the following ratio of 1: 1:1 arrangement ratio arrangement;
when the color-developing surface warp is the first warp and the color-developing surface weft is the first weft and the second weft, the first warp, the first weft and the second weft are interwoven on the surface of the fabric for color development, the second warp and the third weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the first warp and the color-developing surface weft is the second weft and the third weft, the first warp, the second weft and the third weft are interwoven on the surface of the fabric for color development, the second warp and the first weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the first warp and the color-developing surface weft is the first weft and the third weft, the first warp, the first weft and the third weft are interwoven on the surface of the fabric for color development, the second warp and the second weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the second warp and the color-developing surface weft is the first weft and the second weft, the second warp, the first weft and the second weft are interwoven on the surface of the fabric for color development, the first warp and the third weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is a second warp and the color-developing surface weft is a second weft and a third weft, the second warp, the second weft and the third weft are interwoven on the surface of the fabric for color development, the first warp and the first weft are used as a back warp and a back weft, and the back lining is arranged on the back surface of the fabric; when the color-developing surface warp is the second warp and the color-developing surface weft is the first weft and the third weft, the second warp, the first weft and the third weft are interwoven on the surface of the fabric for color development, the first warp and the second weft are used as the back warp and the back weft, and the back lining is arranged on the back surface of the fabric;
(2) designing a color development structure: the color-developing organization design of the double-warp three-weft jacquard fabric with double weft gradual change selects the required basic organization I and basic organizationBasic organization I and basic organizationThe effective selection range of the method is twill or satin in the original structure, the number of the warp and weft structure cycles is the same, N is between 5 and 48, and the base structure I are selected according to the effective selection range of the methodFor the basic tissue I and the basic tissue respectivelySetting a full-color technical point, designing a group of basic tissues with the shadow effect based on the basic tissues I under the condition of not damaging the full-color technical point, and designing a group of basic tissues with the shadow effect based on the basic tissues IOn the basis, under the condition of not damaging the full-color development technical points, a group of matching tissues with the shadow effect are designed, the combined tissues formed by combining the basic tissues and the matching tissues according to the ratio of 1:1 from top to bottom are the color development tissues of the double-warp three-weft jacquard fabric with double-weft gradual color development,
according to basic organizationThe method comprises the following steps of (1) setting a full-color-rendering technical point for a basic tissue I: is to organize the basic tissueIs inverted and reinforced upwards along the warp direction 1; according to the tissue characteristics of the basic tissue I, the basic tissue is processedThe method for setting the full-color-rendering technical point comprises the following steps: inverting the tissue points of the basic tissue I and reinforcing the basic tissue I downwards along the warp direction by 1; based on the basic organization I, a group of basic organizations with the shadow effect is designed under the condition of not damaging the full-color technical points, and the basic organizations are usedOn the basis, under the condition of not damaging the full-color-rendering technical points, a group of matching tissues of the image-light effect are designed;
when M = N, the number of the colored tissues is the minimum, being (N-2),
when M =1, the number of the colored tissues is the largest [ (N-2) + (N-3) × (N-1) ],
n represents the number of tissue cycles, and M is the number of reinforcement of the tissue points of the shadow;
(3) according to the characteristics of the color-developing tissue and following the principle of interweaving balance, the number of the tissue cycles of the inner tissue is the same as or in integral multiple relation with the number of the color-developing tissue cycles, in order to meet the technical requirement of interweaving balance of a fabric structure, the requirements of the warp and weft interweaving times of the color-developing tissue and the inner tissue are the same, and when the double-warp three-weft jacquard fabric with gradually changed double wefts is designed, a group of weft yarns and the inner warp are interwoven to form the inner tissue;
(4) and (3) binding structure design: the tissue cycle number of the binding tissue is the same as or in integral multiple relation with the color development tissue cycle number;
secondly, when the color-developing tissue is a shadow-light tissue obtained by reinforcing the basic tissue in the weft direction, the color-developing tissue and the inner tissue are connected by selecting an inner warp and outer weft connection method, the connection points are designed to be warp tissue points, the tissue points of the left and right outer warps adjacent to the connection points are required to be warp tissue points, the connection points are ensured to be covered by the outer warps,
when the color-developing tissue is a shadow-light tissue obtained by reinforcing the basic tissue in the weft direction, a back warp and front weft connection method is selected to connect the color-developing tissue and the back tissue, the connection points are designed to be warp tissue points, and the tissue points of the left and right front warps adjacent to the connection points are required to be warp tissue points, so that the connection points can be covered by the front warps;
(5) designing a color card organization process:
drawing a color-developing tissue at the interweaving position of the surface warp and the surface weft, drawing an inner tissue at the interweaving position of the inner warp and the inner weft, and lifting all the warps at the interweaving points of the surface warp and the inner weft, namely all the warps are warp tissue points; the warp threads of the interweaving points of the inner warp threads and the surface weft threads are all sunk, namely all the warp threads are weft texture points; drawing a binding tissue at the interweaving position of the inner warp and the surface weft when the color developing tissue is a shadow-light tissue obtained by reinforcing the basic tissue in the weft direction; thirdly, according to the characteristics of a double-warp three-weft jacquard fabric organizational structure model with double-weft gradual color development, sequentially finishing the organizational combination design of six kinds of interweaving structures, and establishing organizational libraries, wherein the first warp and the first weft and the second weft are interwoven on the fabric surface to form a color development organizational library, the first warp and the first weft are interwoven on the fabric surface to form a color development organizational library, the second warp and the second weft are interwoven on the fabric surface to form a color development organizational library, and the second warp and the first weft are interwoven on the fabric surface to form a color development organizational library;
(6) designing a digital pattern: the designed digital pattern is in a computer bitmap mode, the digital pattern is formed by six colors, each color is designed with gradient color, the grade of the gradient color is less than the maximum color-developing tissue number, and the digital pattern with six gradient color effects is formed; the maximum color developing capability of the double-warp three-weft jacquard fabric structure with double-weft gradual color development is in direct proportion to the basic organization cycle, and the maximum color developing number is as follows: [ (N-2) + (N-3) × (N-1)]2X 6, N represents the number of basal tissue cycles;
(7) the design of a combined structure: respectively corresponding six gradient colors in the digital patterns to six tissue banks, and replacing each gradient color with tissues in the corresponding tissue bank by a one-to-one corresponding method to form a fabric combination structure chart;
(8) weaving: and (4) adding weft selection information to the fabric combination structure diagram in the step (7), setting the density of warps and wefts, selecting two groups of warps and three groups of wefts, and weaving according to the fabric combination structure diagram to obtain the double-warp three-weft jacquard fabric with double-weft gradual change color development.
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