CN108004651A - The oblique programmable layer of yarn links structure in a kind of plane - Google Patents
The oblique programmable layer of yarn links structure in a kind of plane Download PDFInfo
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- CN108004651A CN108004651A CN201711497945.9A CN201711497945A CN108004651A CN 108004651 A CN108004651 A CN 108004651A CN 201711497945 A CN201711497945 A CN 201711497945A CN 108004651 A CN108004651 A CN 108004651A
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- yarn
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D25/00—Woven fabrics not otherwise provided for
- D03D25/005—Three-dimensional woven fabrics
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Abstract
The present invention relates to a kind of programmable layer of oblique yarn in plane to link structure, there is multilayer, and every layer forms by warp thread and oblique yarn two parts, and wherein warp thread is distributed along fabric length direction in sinusoidal wave form;Oblique yarn then with warp thread with the spiral extension forward or backwards along its length of certain angle, and and warp yarns, foregoing angle be acute angle;Oblique yarn while with this layer of warp yarns, also with adjacent layer warp yarns.The present invention can be improved in plane respectively to performance, it is easy to implement mechanization preparation, can preferably meet fabric uniformity, globality, damage tolerance height, impact resistance, anti-layering and it is antifatigue etc. require, have the advantages that uniformity is good, performance is excellent, it is easy to operate, beneficial to mechanization preparation, can high efficiency, low cost.Present invention can apply to the shaping of plate-type fabric, can also be applied to the shaping of the revolution build fabric such as tubular, taper, abnormity.
Description
Technical field
The present invention relates to a kind of programmable layer of oblique yarn in plane to link structure, belongs to stereo fabric manufacturing field.
Background technology
Fibre reinforced composites are the important development directions of material.It is a kind of preform structure that layer, which links structure, is one
Kind interlayer has the fabric construction of connection, and wherein 2.5D structures are exactly that a kind of common layer links structure.With the reinforcement of its preparation
Composite material has high intensity, high-modulus, high damage tolerance, impact resistance, anti-layering and the comprehensive performance such as antifatigue, is obviously improved
The performance of weapon, is paid close attention to, it has also become the research hotspot of high-performance composite materials technology be subject to composite material circle.2.5D
Structure is formed by warp thread and weft yarns, and warp thread is distributed along fabric warp-wise in cycle undaform, such as sinusoidal wave form;Weft yarn is vertical
In the undaform distribution plane of warp thread, it is of a straight line type or circumferentially distributed.But only have X, Y-direction fiber, Wu Fashi in the structural plan
Isotropism in existing plane.In addition the structural volume content is lower slightly, uniformity control difficulties are larger, efficiency is low, cost of labor compared with
Greatly.
With the development trend of stereo fabric, the requirement to fabric high uniformity, fast and low-cost is increasingly urgent, 2.5D knots
Structure cannot gradually meet the needs of field.Therefore, it is necessary to invent a kind of high uniformity, isotropism in plane can be achieved, easy
New construction and its forming method of fast and low-cost are realized to adapt to the market demand of stereo fabric.
The content of the invention
The object of the present invention is to provide a kind of programmable layer of oblique yarn in plane to link structure, which can improve in plane
Respectively to performance, mechanization preparation is easy to implement, can preferably meet that fabric uniformity, globality, damage tolerance be high, resistance to punching
Hit, anti-layering and it is antifatigue etc. require, have uniformity is good, performance is excellent, it is easy to operate, prepared beneficial to mechanization, can be efficiently low
The advantages that cost.
In order to solve the above technical problems, the technical scheme is that:
The programmable layer of oblique yarn links structure in a kind of plane of the present invention, there is a multilayer, and every layer by warp thread and oblique
Yarn two parts form, and wherein warp thread is distributed along fabric length direction in sinusoidal wave form;Oblique yarn is then with warp thread with certain angle
Spiral extension forward or backwards along its length,And and warp yarns, foregoing angle be acute angle。
Oblique yarn while with this layer of warp yarns, also with adjacent layer warp yarns.
Oblique yarn realizes the change of oblique yarn and warp thread angle theta by translating the change of step pitch D;
Foregoing translation step pitch D is the spacing that two adjacent oblique yarn yarns split, according to oblique yarn inclination angle, that is, oblique yarn and warp
Yarn angle theta and stitch length L design oblique yarn translation step pitch D, and as shown in formula 1, j is warp count to computational methods;
The translation step pitch of one spindle position of definition translation is 1, and the translation step pitch of oblique yarn have to be larger than equal to 2;
Structure of the present invention can also introduce weft yarn, and warp thread, the oblique yarn of every layer of weft yarn at the same time with same layer interweave at the same time,
Broadwise or the mechanical property of circumferential direction can be improved.
Compared with prior art, it is of the invention to have the following advantages that:
1st, the structure involved by the application has the characteristics that common layer links structure, has the advantages that layer links structure;
2nd, oblique yarn is introduced in the structural plan involved by the application, it can be achieved that isotropism in textile plane;
3rd, mechanization preparation is conducive to, it can be achieved that high efficiency, low cost;
4th, can be applied to the shaping of plate-type fabric, can also be applied to tubular, taper, abnormity etc. revolution build fabric into
Type;
5th, the structure has good mechanical property;By introducing weft yarn, knitting with the shaping structures can further improve
The mechanical property of composite material prepared by thing.
Through overtesting, friendship shallow to 2.5D is curved strong with construction stretch intensity of the present invention, compressive strength and interlayer shear
Degree is contrasted, and specific data are as shown in the table.
Brief description of the drawings
Fig. 1 connects structure diagram for common layer in the prior art;
Wherein Fig. 1 (a) hands over curved connection composition to be shallow, and Fig. 1 (b) is shallow friendship direct connection structure chart;
Fig. 2 links structure floor map for common layer in the prior art;
Wherein Fig. 2 (a) hands over curved plan to be shallow, and Fig. 2 (b) is shallow friendship direct connection plan
Fig. 3 connects the curved connection structure spindle motion diagram of shallow friendship for existing layer;
Fig. 4 connects shallow friendship direct connection structure spindle motion diagram for existing layer;
Fig. 5 (1) connects structure diagram for the oblique programmable layer of yarn in plane, is 1. warp thread, is 2. oblique yarn;
Fig. 5 (2) is that the oblique programmable layer of yarn connects structure diagram in the plane for introduce weft yarn, is 3. weft yarn;
Fig. 6 is the original state cloth yarn schematic diagram of embodiment 1;
Fig. 7 is that spindle moves schematic diagram under original state in embodiment 1;
Fig. 8 is 2 secondary motion schematic diagram of spindle 1 and spindle under original state in embodiment 1;
Fig. 9 is two times cloth yarn schematic diagrames of state in embodiment 1;
Figure 10 is that two times spindles of state move schematic diagram in embodiment 1;
Figure 11 is 2 secondary motion schematic diagram of two times spindles of state 1 and spindle in embodiment 1;
Figure 12 is annular cloth yarn schematic diagram in embodiment 2;
Figure 13 is that spindle moves schematic diagram under original state in embodiment 2;
Figure 14 is spindle 1 under original state in embodiment 2 to 6 secondary motion schematic diagram of spindle;
Figure 15 is two times cloth yarn schematic diagrames of state in embodiment 2;
Figure 16 is that two times spindles of state move schematic diagram in embodiment 2;
Figure 17 is two times spindles of state 1 in embodiment 2 to 6 secondary motion schematic diagram of spindle;
Figure 18 is wefting insertion schematic diagram under original state in embodiment 3;
Figure 19 is two times wefting insertion schematic diagrames of state in embodiment 3.
Embodiment
With reference to specific embodiment, the present invention is further explained.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than for limiting the scope of the invention.Further, it should be understood that after the content of the invention illustrated has been read, this area
Technical staff can make the present invention various changes or modification, and such equivalent forms are equally used for the application the appended claims
Limited range.
Embodiment 1:The standby plate-type fabric of structure is linked using the programmable layer of oblique yarn in plane of the present invention
Fabric size is length 20mm, width 8mm, thickness 2.5mm.
Fabric can design level link structure using oblique yarn in plane;It is required that oblique yarn angle of inclination is (oblique for 20~30 degree
Yarn and warp thread angle);Fiber uses 190Tex quartz fibres;Design 2 strands of warp thread, oblique 2 strands of yarn, 5 layers of warp thread, oblique 6 layers of yarn;
Warp count is 8.0/cm, and weft count is 2.0/cm.
Concrete technology implementation steps are described as follows:
1) initial cloth yarn:5 layers of warp thread, oblique 6 layers of yarn, arrangement mode are square matrix formula, arrangement quantity arranges for warp thread 6 ×
5 layers, oblique yarn 5 arrange × 6 layers, oblique yarn displacement steps are away from for 2 spindle positions.The high row of warp thread are arranged with low row 1 every 1, and high row
Than the low high 2 spindle positions of row, equipment is original state at this time for definition, as shown in Figure 6;
2) under equipment original state, the yarn on first layer 1, No. 2 spindle of oblique yarn is moved upward out into cloth yarn matrix, makes 1,2
Number spindle is vacated, as shown in Fig. 7 (1);
3) after completing step 2), by the yarn on first layer No. 3 spindles of oblique yarn to 2 positions of left to No. 1 spindle,
No. 3 spindles are vacated at this time, as shown in Fig. 7 (2);
4) after completing step 3), by the yarn on first layer No. 4 spindles of oblique yarn to 2 positions of left to No. 2 spindles,
No. 4 spindles are vacated at this time, as shown in Fig. 7 (3);
5) after completing step 4), by the yarn on first layer No. 5 spindles of oblique yarn to 2 positions of left to No. 3 spindles,
No. 5 spindles are vacated at this time, as shown in Fig. 7 (4);
6) after completing step 5), the yarn on No. 6 spindles of the second layer is bypassed into the right warp thread, is moved to No. 4 spindles of first layer
On, as shown in Fig. 7 (5);
7) after completing step 6), the yarn on No. 7 spindles of the second layer is bypassed into the right warp thread, is moved to No. 5 spindles of first layer
On, as shown in Fig. 7 (6);
8) after completing step 7), by the yarn on No. 8 spindles of the second layer to 2 positions of right translation to No. 6 spindles of the second layer,
As shown in Fig. 7 (7);
9) after completing step 8), by the yarn on No. 9 spindles of the second layer to 2 positions of right translation to No. 7 spindles of the second layer,
As shown in Fig. 7 (8);
10) after completing step 9), by the yarn on No. 10 spindles of the second layer to 2 positions of right translation to No. 8 spindles of the second layer
On, as shown in Fig. 7 (9);
11) after completing step 10), former No. 1 yarn of first layer is moved on No. 2 spindles of the second layer, as shown in Fig. 8 (1);
12) after completing step 11), former No. 2 yarns of first layer are moved on No. 1 spindle of the second layer, as shown in Fig. 8 (2);
13) the 3rd and the 4th layer, the 5th and the 6th layer of oblique yarn are equally operated respectively to step 12 with reference to step 2;
14) it is under original state after dislocation by the curved characteristics of motion of shallow friendship into ranks to dislocation after completing step 13)
High row 2 spindle positions lower than low row at this time, it is as shown in Figure 9 as state two to set this state;
15) under equipment state two, the yarn on first layer 1, No. 2 spindle of oblique yarn is moved upward out into cloth yarn matrix, makes 1, No. 2
Spindle is vacated, as shown in Figure 10 (1);
16) after completing step 15), by the yarn on first layer No. 3 spindles of oblique yarn to 2 positions of left to No. 1 spindle
On, No. 3 spindles are vacated at this time, as shown in Figure 10 (2);
17) after completing step 16), by the yarn on first layer No. 4 spindles of oblique yarn to 2 positions of left to No. 2 spindles
On, No. 4 spindles are vacated at this time, as shown in Figure 10 (3);
18) after completing step 17), by the yarn on first layer No. 5 spindles of oblique yarn to 2 positions of left to No. 3 spindles
On, No. 5 spindles are vacated at this time, as shown in Figure 10 (4);
19) after completing step 18), the yarn on No. 6 spindles of the second layer is bypassed into the right warp thread, is moved to No. 4 yarns of first layer
On ingot, as shown in Figure 10 (5);
20) after completing step 19), the yarn on No. 7 spindles of the second layer is bypassed into the right warp thread, is moved to No. 5 yarns of first layer
On ingot, as shown in Figure 10 (6);
21) after completing step 20), by the yarn on No. 8 spindles of the second layer to 2 positions of right translation to No. 6 spindles of the second layer
On, as shown in Figure 10 (7);
22) after completing step 21), by the yarn on No. 9 spindles of the second layer to 2 positions of right translation to No. 7 spindles of the second layer
On, as shown in Figure 10 (8);
23) after completing step 22), by the yarn on No. 10 spindles of the second layer to 2 positions of right translation to No. 8 spindles of the second layer
On, as shown in Figure 10 (9);
24) after completing step 23), former No. 1 yarn of first layer is moved on No. 2 spindles of the second layer, as shown in Figure 11 (1);
25) after completing step 24), former No. 2 yarns of first layer are moved on No. 1 spindle of the second layer, as shown in Figure 11 (2);
26) the 3rd and the 4th layer, the 5th and the 6th layer of oblique yarn are equally operated respectively to step 25 with reference to step 15;
27) after completing step 26), the curved characteristics of motion is handed over into ranks to dislocation by shallow, the equipment shape after dislocation at this time
State is identical with original state;
28) complete step 27) after, under equipment original state, repeat step 2 to step 16, respectively by the 1st and the 2nd layer,
3rd and the 4th layer, the 5th and the 6th layer of oblique yarn equally operated;
29) after completing step 28), repeat step 2 to step 28, until fabric length reaches 100mm.
Embodiment 2:The standby tubular woven fabric of structure is linked using the programmable layer of oblique yarn in plane of the present invention
Fabric size is diameter 12.7mm, wall thickness 4mm, height 200mm.
Fabric can design level link structure using oblique yarn in plane;It is required that oblique yarn angle of inclination is (oblique for 40~50 degree
Yarn and warp thread angle);Fiber uses 190Tex quartz fibres;Design 2 strands of warp thread, oblique 4 strands of yarn, 5 layers of warp thread, oblique 6 layers of yarn;
Warp count is 8.0/cm, and weft count is 1.5/cm.
Concrete technology implementation steps are described as follows:
1) initial cloth yarn:5 layers of warp thread, oblique 6 layers of yarn, arrangement mode are ring quasi array formula, and arrangement quantity arranges for warp thread 32
× 5 layers, oblique yarn 32 arrange × 6 layers, oblique yarn displacement steps are away from for 6 spindle positions.The high row of warp thread are arranged with low row 1 every 1, and high
Row are than the low high 2 spindle positions of row, and equipment is original state at this time for definition, as shown in figure 12;
2) under equipment original state, the yarn on first layer 1 to No. 6 spindle of oblique yarn is translated out into ring quasi array respectively, makes 1
Vacated to No. 6 spindles, as shown in Figure 13 (1);
3) after completing step 2), the yarn on first layer No. 7 spindles of oblique yarn is counterclockwise moved to No. 1 spindle position
Put, as shown in Figure 13 (2);
4) after completing step 3), the yarn on first layer No. 8 spindles of oblique yarn is counterclockwise moved to No. 2 spindle positions
Put, as shown in Figure 13 (3);
5) after completing step 4), the yarn on first layer No. 9 spindles of oblique yarn is counterclockwise moved to No. 3 spindle positions
Put, as shown in Figure 13 (4);
6) after completing step 5), the yarn on n spindles is counterclockwise moved to (n-6) number spindle position by method respectively according to this
Put, as shown in Figure 13 (4) to Figure 13 (26);
7) step 6) is repeatedly performed, until the yarn on No. 32 spindles of first layer is counterclockwise moved to No. 26 spindle positions
Put, as shown in Figure 13 (27);
8) after completing step 7), 1~No. 6 yarn that ring quasi array is translated out in step 2) is moved back to respectively, and side counterclockwise
To being moved on 27~No. 32 spindles, as shown in Figure 14 (1) to Figure 14 (6);
9) after completing step 8), according to step 2) to step 8), the 3rd, 5 layer of oblique yarn is carried out in a counterclockwise direction respectively
Same operation;With reference to step 2) to step 8), the 2nd, 4,6 layer of oblique yarn is subjected to similar operations in a clockwise direction respectively;
10) it is under original state after dislocation by the curved characteristics of motion of shallow friendship into ranks to dislocation after completing step 9)
Height row arrange low 2 spindle positions than low at this time, set this state as state two, as shown in figure 15;
11) after completing step 10), according to step 2) to step 10), equally operated, such as Figure 16 (1) to Figure 16 (27)
With Figure 17 (1) to Figure 17 (6) Suo Shi;
12) after completing step 11), the curved characteristics of motion is handed over into ranks to dislocation by shallow, the equipment shape after dislocation at this time
State is identical with original state;
13) after completing step 12), under equipment original state, repeat step 3) to step 12), equally operated;
14) after completing step 13), repeat step 2) to step 13), until fabric length reaches 200mm.
15) the specific forming method of taper revolving body fabric is similar with tubular woven fabric, increases and decreases in forming process according to technique and arranges
To yarn, omit enumerate embodiment herein.
Embodiment 3:The standby plate-type fabric of structure is linked using the programmable layer of oblique yarn in plane of the present invention
Fabric size is length 100mm, width 8mm, thickness 3mm.
Fabric using oblique yarn in plane can design level link structure, and introduce weft yarn;It is required that oblique yarn angle of inclination is 15
~20 degree (oblique yarn and warp thread angles);Fiber uses 190Tex quartz fibres;Design 2 strands of warp thread, oblique 2 strands of yarn, weft yarn 2
Stock, 5 layers of warp thread, oblique 6 layers of yarn;Warp count (broadwise or circumferential direction) is 8.0/cm, it is female to density be 2.0/cm.
Concrete technology implementation steps are described as follows:
1) initial cloth yarn:5 layers of warp thread, oblique 6 layers of yarn, arrangement mode are square matrix formula, and arrangement quantity arranges for warp thread 16
× 5 layers, oblique yarn 15 arrange × 6 layers, oblique yarn displacement steps are away from for 2 spindle positions.The high row of warp thread are arranged with low row 1 every 1, and high
Row are than the low high 2 spindle positions of row, and equipment is original state at this time for definition, as shown in Figure 6;
2) after completing step 1), by the 1st layer of upper surface warp thread and the 1st layer of oblique yarn and the 2nd layer of warp thread and the 2nd layer of oblique yarn
Between open, introduce weft yarn, as shown in figure 18;
3) after completing step 2), by the 2nd layer of upper surface warp thread and the 2nd layer of oblique yarn and the 3rd layer of warp thread and the 3rd layer of oblique yarn
Between open, introduce weft yarn, as Figure 18 institute shown in;
4) method according to step 2) and step 3), successively introduces weft yarn until lower surface, as shown in figure 18 from top to bottom;
5) after completing step 4), the yarn on first layer 1, No. 2 spindle of oblique yarn is moved upward out into cloth yarn matrix, makes 1, No. 2
Spindle is vacated, as shown in Fig. 7 (1);
6) after completing step 5), by the yarn on first layer No. 3 spindles of oblique yarn to 2 positions of left to No. 1 spindle,
No. 3 spindles are vacated at this time, as shown in Fig. 7 (2);
7) after completing step 6), by the yarn on first layer No. 4 spindles of oblique yarn to 2 positions of left to No. 2 spindles,
No. 4 spindles are vacated at this time, as shown in Fig. 7 (3);
8) after completing step 7), by the yarn on first layer No. 5 spindles of oblique yarn to 2 positions of left to No. 3 spindles,
No. 5 spindles are vacated at this time, as shown in Fig. 7 (4);
9) after completing step 8), the yarn on No. 6 spindles of the second layer is bypassed into the right warp thread, is moved to No. 4 spindles of first layer
On, as shown in Fig. 7 (5);
10) after completing step 9), the yarn on No. 7 spindles of the second layer is bypassed into the right warp thread, is moved to No. 5 spindles of first layer
On, as shown in Fig. 7 (6);
11) after completing step 10), by the yarn on No. 8 spindles of the second layer to 2 positions of right translation to No. 6 spindles of the second layer
On, as shown in Fig. 7 (7);
12) after completing step 11), by the yarn on No. 9 spindles of the second layer to 2 positions of right translation to No. 7 spindles of the second layer
On, as shown in Fig. 7 (8);
13) after completing step 12), by the yarn on No. 10 spindles of the second layer to 2 positions of right translation to No. 8 spindles of the second layer
On, as shown in Fig. 7 (9);
14) after completing step 13), former No. 1 yarn of first layer is moved on No. 2 spindles of the second layer, as shown in Fig. 8 (1);
15) after completing step 14), former No. 2 yarns of first layer are moved on No. 1 spindle of the second layer, as shown in Fig. 8 (2);
16) the 3rd and the 4th layer, the 5th and the 6th layer of oblique yarn are equally operated respectively to step 15 with reference to step 5;
17) it is under original state after dislocation by the curved characteristics of motion of shallow friendship into ranks to dislocation after completing step 16)
High row 2 spindle positions lower than low row at this time, it is as shown in Figure 9 as state two to set this state;
18) it is after completing step 17), the 1st layer of lower surface warp thread and the 1st layer of oblique yarn and the 2nd layer of warp thread and the 2nd layer is oblique
Opened between yarn, introduce weft yarn, as shown in figure 19;
19) it is after completing step 18), the 2nd layer of lower surface warp thread and the 2nd layer of oblique yarn and the 3rd layer of warp thread and the 3rd layer is oblique
Opened between yarn, introduce weft yarn, as shown in Figure 19 institutes;
20) according to step 18) and the method for step 19), weft yarn is successively introduced from lower to upper up to upper surface, such as Figure 19 institutes
Show;
21) after completing step 20), the yarn on first layer 1, No. 2 spindle of oblique yarn is moved upward out into cloth yarn matrix, makes 1,2
Number spindle is vacated, as shown in Figure 10 (1);
22) after completing step 21), by the yarn on first layer No. 3 spindles of oblique yarn to 2 positions of left to No. 1 spindle
On, No. 3 spindles are vacated at this time, as shown in Figure 10 (2);
23) after completing step 22), by the yarn on first layer No. 4 spindles of oblique yarn to 2 positions of left to No. 2 spindles
On, No. 4 spindles are vacated at this time, as shown in Figure 10 (3);
24) after completing step 23), by the yarn on first layer No. 5 spindles of oblique yarn to 2 positions of left to No. 3 spindles
On, No. 5 spindles are vacated at this time, as shown in Figure 10 (4);
25) after completing step 24), the yarn on No. 6 spindles of the second layer is bypassed into the right warp thread, is moved to No. 4 yarns of first layer
On ingot, as shown in Figure 10 (5);
26) after completing step 25), the yarn on No. 7 spindles of the second layer is bypassed into the right warp thread, is moved to No. 5 yarns of first layer
On ingot, as shown in Figure 10 (6);
27) after completing step 26), by the yarn on No. 8 spindles of the second layer to 2 positions of right translation to No. 6 spindles of the second layer
On, as shown in Figure 10 (7);
28) after completing step 27), by the yarn on No. 9 spindles of the second layer to 2 positions of right translation to No. 7 spindles of the second layer
On, as shown in Figure 10 (8);
29) after completing step 28), by the yarn on No. 10 spindles of the second layer to 2 positions of right translation to No. 8 spindles of the second layer
On, as shown in Figure 10 (9);
30) after completing step 29), former No. 1 yarn of first layer is moved on No. 2 spindles of the second layer, as shown in Figure 11 (1);
31) after completing step 30), former No. 2 yarns of first layer are moved on No. 1 spindle of the second layer, as shown in Figure 11 (2);
32) the 3rd and the 4th layer, the 5th and the 6th layer of oblique yarn are equally operated respectively to step 31) with reference to step 21;
33) after completing step 32), the curved characteristics of motion is handed over into ranks to dislocation by shallow, the equipment shape after dislocation at this time
State is identical with original state;
34) after completing step 33), under equipment original state, repeat step 2) equally operated to step 33);
35) after completing step 34), repeat step 2 to step 34, until fabric length reaches 100mm.
Claims (3)
1. the oblique programmable layer of yarn links structure in a kind of plane, there is multilayer, it is characterised in that every layer by warp thread and oblique yarn
Two parts form, and wherein warp thread is distributed along fabric length direction in sinusoidal wave form;Oblique yarn is then with warp thread with certain angle edge
Length direction spirally extends forward or backwards, and and warp yarns, foregoing angle be acute angle;
Oblique yarn while with this layer of warp yarns, also with adjacent layer warp yarns.
2. the oblique programmable layer of yarn links structure in plane as claimed in claim 1, it is characterised in that oblique yarn passes through translation
The change of step pitch D, realizes the change of oblique yarn and warp thread angle theta;
Foregoing translation step pitch D is the spacing that two two neighboring oblique yarn yarns split, according to oblique yarn inclination angle, that is, oblique yarn and warp
Yarn angle theta and stitch length L design oblique yarn translation step pitch D, and as shown in formula 1, i is warp count to computational methods;
The translation step pitch of one spindle position of definition translation is 1, and the translation step pitch of oblique yarn is more than or equal to 2.
3. the oblique programmable layer of yarn links structure in plane as claimed in claim 1 or 2, it is characterised in that weft yarn is further included,
Every layer of weft yarn interweaves at the same time with warp thread, the oblique yarn of same layer at the same time.
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