CN107142531A - A kind of electrostatic spinning injection apparatus - Google Patents
A kind of electrostatic spinning injection apparatus Download PDFInfo
- Publication number
- CN107142531A CN107142531A CN201710590611.XA CN201710590611A CN107142531A CN 107142531 A CN107142531 A CN 107142531A CN 201710590611 A CN201710590611 A CN 201710590611A CN 107142531 A CN107142531 A CN 107142531A
- Authority
- CN
- China
- Prior art keywords
- needle
- pedestal
- nozzle
- rhombus
- needle nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention discloses a kind of electrostatic spinning injection apparatus, including pedestal and needle nozzle, and needle nozzle is arranged at top surface and two sides, and each needle nozzle and the plane at respective place are mutually perpendicular to；The projection of four groups of needle nozzles in a horizontal plane is positioned at four summits of rhombus, and its line can surround rhombus.The projection join line of every four needle nozzles constitutes a diamond structure in the present invention, and four needle nozzles for constituting rhombus are symmetrical on the middle vertical plane of base top surface.Relative to traditional nozzle arrangements arranged in parallel, after application of a voltage, the electric field that each needle nozzle is formed influences each other, due to having certain angle between the needle nozzle of different surfaces, component of the electric field force in each needle nozzle vertical direction can be offset, makes the bearing of trend made a concerted effort along each needle nozzle of electric field force, the distribution of sophisticated electric field is more uniform, spinning can be made, to moving along its length, to obtain high-quality spinning in the guiding of electric field force.
Description
Technical field
The present invention relates to electrostatic spinning technique field, a kind of electrostatic spinning injection apparatus is further related to.
Background technology
Electrostatic spinning is the special shape of polymeric fluid electrostatic atomization, and electrostatic spinning uses the non-ox of viscosity higher
Pause fluid, in the presence of HV generator, high-voltage electrostatic field is formed between spinning appts and reception device, polymer is molten
Liquid forms drop and is electrically charged at nozzle, and charged drop is accelerated in the Taylor vertex of a cones under electric field force effect, works as electric field force
When sufficiently large, charged drop overcomes surface tension formation electrified jet, can run considerably long distance, electrified jet is in electrostatic
When spinning space is run, with solvent volatilization, bending and stretching, finally collected by reception device, solidify to form fibrous material.
With the development of nanometer technology, electrostatic spinning is used as a kind of simple and effective new processing for producing nanofiber
Technology, will be huge in bio-medical material, filtering and the performance of the field such as protection, catalysis, the energy, photoelectricity, food engineering, cosmetics
Effect.
, it is necessary to multiple-needle nozzle be set while spraying a plurality of spinning, to meet production in enormous quantities in industrial processes
Requirement.Currently used for industrialized production electrostatic spinning apparatus be generally arranged side by side between multigroup shower nozzle, each shower nozzle mutually put down
OK, but between each shower nozzle interfered between the electric field formed, electric field line is distributed not along the length direction of shower nozzle, therefore
The spinning that shower nozzle is sprayed will by other directions component, influence final finished quality.
The content of the invention
The present invention provides a kind of electrostatic spinning injection apparatus, makes the Electric Field Distribution uniformity of needle nozzle, can improve spinning
The final product quality of silk, concrete scheme is as follows：
A kind of electrostatic spinning injection apparatus, includes the pedestal of column, and the pedestal at least includes top surface and two sides,
Angle between top surface and each side is obtuse angle, and needle nozzle is set respectively on top surface and two sides；The pin type spray
Mouth and the plane at respective place are mutually perpendicular to, and the needle nozzle is provided with liquid outlet channel, and the solution being communicated in the pedestal
Chamber；The projection of four groups of needle nozzles in a horizontal plane is on four summits of rhombus, the pedestal along length
Direction sets multigroup needle nozzle for constituting rhombus.
Alternatively, the section of the pedestal is isosceles trapezoid, and the angle at trapezoidal base angle is 20~25 degree.
Alternatively, in four needle nozzles for constituting rhombus, plane setting two, trapezoidal where trapezoidal upper bottom
Two waists where plane on each set one.
Alternatively, the sharp angle that the line of four needle nozzles and the pedestal tie point constitutes rhombus is 60
Degree；Four needle nozzles are symmetrical on the perpendicular bisector of the pedestal trapezoid cross section.
Alternatively, in the rhombus being made up of on the pedestal the needle nozzle line, the spacing of two neighboring rhombus with
The length of side of rhombus is equal.
Alternatively, a diameter of 0.5~1.5mm of the needle nozzle, length is 10~20mm, each needle nozzle
Size it is identical；The rhombus length of side that the line of the needle nozzle is constituted is 15~25mm.
Alternatively, the upper surface of the pedestal is 150~175mm apart from the spacing of collection device；Trapezoidal section of the pedestal
A height of 6~7mm in face.
Alternatively, the pedestal, the needle nozzle and the collection device are made of copper, and are applied at the needle nozzle
Plus voltage be 20kV.
The invention provides a kind of electrostatic spinning injection apparatus, including pedestal and needle nozzle, needle nozzle is fixedly connected
On pedestal, needle nozzle is provided with liquid outlet channel, and is communicated in the solution cavity in pedestal, and solution enters needle nozzle from pedestal
Liquid outlet channel, sprays, the caliber of the liquid outlet channel of needle nozzle is gradually reduced, made from bottom to top in the guiding of electric field force to outside
The jeting effect of solution is more preferable；Pedestal is column structure, at least including a top surface and two sides, and needle nozzle is set herein
On three surfaces, and each needle nozzle and the plane at respective place are mutually perpendicular to；Four groups of needle nozzles are in horizontal plane
In projection positioned at rhombus four summits, its line can be surrounded sets multigroup composition rhombus along its length on rhombus, pedestal
Needle nozzle, constitute rhombus four needle nozzles it is symmetrical on the middle vertical plane of base top surface.
The projection join line of every four needle nozzles constitutes a diamond structure in the present invention, is parallel to each other relative to traditional
The nozzle arrangements of setting, after application of a voltage, the electric field that each needle nozzle is formed influence each other, due in different tables
It is not parallel to each other between the needle nozzle in face, in certain angle, electric field force can be offset to a certain extent and is sprayed in each pin type
Component in mouth vertical direction, makes the bearing of trend made a concerted effort along each needle nozzle of electric field force, reduces other needle nozzles to certainly
The influence that body is caused, the distribution of sophisticated electric field is more uniform, can make spinning in the guiding of electric field force to moving along its length,
Obtain high-quality spinning.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of front view of specific embodiment of electrostatic spinning injection apparatus of the present invention；
Fig. 2 is a kind of side view of specific embodiment of electrostatic spinning injection apparatus of the present invention；
Fig. 3 is a kind of top view of specific embodiment of electrostatic spinning injection apparatus of the present invention；
Fig. 4 is the electric field intensity map that a kind of concrete structure of electrostatic spinning injection apparatus of the present invention is obtained；
Fig. 5 A are the uniform equidistant structure chart in ranks setting nozzle in plane；
Fig. 5 B are the uniform electric field intensity map equidistantly obtained in ranks setting nozzle in plane；
Fig. 6 A are the structure chart that rhombus nozzle is set in plane；
Fig. 6 B are that the electric field intensity map that rhombus nozzle is obtained is set in plane.
Including：
Pedestal 1, needle nozzle 2.
Embodiment
The present invention core be to provide a kind of electrostatic spinning injection apparatus, make the Electric Field Distribution uniform one of needle nozzle
Cause, the final product quality of spinning can be improved.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing and specifically
Embodiment, to the present invention electrostatic spinning injection apparatus explanation is described in detail.
As shown in figure 1, being the front view of electrostatic spinning injection apparatus of the present invention, electrostatic spinning injection apparatus of the present invention includes
Pedestal 1 and needle nozzle 2, needle nozzle 2 are fixedly connected on pedestal 1, and needle nozzle 2 is provided with liquid outlet channel, and is communicated in base
Solution cavity in seat 1, solution enters the liquid outlet channel of needle nozzle 2 from pedestal 1, is sprayed in the guiding of electric field force to outside, pin
The caliber of the liquid outlet channel of formula nozzle 2 is gradually reduced from bottom to top, makes the jeting effect of solution more preferable；Pedestal 1 is in the form of a column structure,
Fig. 2 be electrostatic spinning injection apparatus of the present invention side view, pedestal 1 at least include top surface and two sides, top surface with each
Angle between side is obtuse angle, sets on needle nozzle 2, i.e. pedestal 1 totally three surfaces respectively on top surface and two sides
Upper setting needle nozzle 2；Needle nozzle 2 and the plane at respective place are mutually perpendicular to, because having angle between each plane, therefore
There is angle, after voltage is applied, the electric field between each needle nozzle 2 is mutual between needle nozzle 2 on different surfaces
Influence, can offset, the distribution of electric field force is more in the electric field force perpendicular to the axial direction of needle nozzle 2 with adjacent electric part or all
Plus it is uniform, so that the electric field force at needle nozzle 2 extends along the direction guiding spinning of line, obtain the higher spinning of quality.
Four needle nozzles 2 are symmetrical on the middle vertical plane of the top surface of pedestal 1, and needle nozzle 2 is on pedestal 1 in specification identical array point
Cloth, two groups of adjacent diamond structures are symmetrical arranged.In four needle nozzles 2 for constituting rhombus, the plane where trapezoidal top
Set and one is each set in two, the plane where two trapezoidal waists, the needle nozzle of every group of composition rhombus is evenly distributed.
The projection of four groups of needle nozzles 2 in a horizontal plane is on four summits of rhombus, pedestal 1 along length side
To the needle nozzle 2 for setting multigroup composition rhombus；As shown in figure 3, be the top view of electrostatic spinning injection apparatus of the present invention, from bowing
Seen in apparent direction, four needle nozzles 2 are located at four apexes of rhombus, the line of four needle nozzles 2 constitutes rhombus, rhombus
The distance between needle nozzle of the needle nozzle 2 of apex with believing apex is equal；Come from the entirety of the whole structure of pedestal 1
See, the mode of rhombus distribution can improve the density of setting of needle nozzle 2, and more spinning can be obtained under unit area,
Favorably improve industrial efficiency.
On the basis of such scheme, the section of pedestal 1 is isosceles trapezoid in the present invention, the angle at trapezoidal base angle for 20~
25 degree, namely angle between top surface and two sides is that between 155~160 degree, this paper number range includes endpoints thereof.Cause
Setting needle nozzle 2 of the pedestal 1 only on three surfaces, therefore shape for other positions and be not construed as limiting, it is set to
The section of isosceles trapezoid can reduce the volume of pedestal 1, trapezoidal bottom position can also be set into multiple surfaces or arc
The forms such as face, these specific set-up modes should be also included within protection scope of the present invention.
Needle nozzle 2 is constituted in two diagonal of rhombus, and longer one is vertical with the length direction of the pedestal 1,
More to make full use of the space on pedestal 1.
The sharp angle that the line of four needle nozzles 2 and the tie point of pedestal 1 constitutes rhombus is 60 degree, namely four pins
Formula nozzle 2 may be constructed two equilateral triangles, the spacing of the needle nozzle of the obtuse angle apex needle nozzle adjacent with both sides
Equal, the minimum spacing between two needle nozzles 2 should be greater than striking distance.
Specifically, in the rhombus being made up of on pedestal 1 line of needle nozzle 2, the spacing of two neighboring rhombus and rhombus
The length of side is equal, and the side shape length of rhombus is set slightly larger than striking distance in the present invention, by the spacing and rhombus between two rhombus summits
The length of side sets isometric, it is possible to increase the density of setting on pedestal 1.The obtuse angle of two neighboring rhombus is relative, can make full use of base
The width of seat 1.
A diameter of 0.5~1.5mm of needle nozzle 2 in the present invention, length is 10~20mm, the chi of each needle nozzle 2
It is very little identical；The rhombus length of side that the line of needle nozzle 2 is constituted is 15~25mm.
The upper surface of pedestal 1 is 150~175mm apart from the spacing of collection device；A height of the 6 of the trapezoid cross section of pedestal 1~
7mm。
Pedestal 1, the needle nozzle 2 and the collection device are made of copper, and the voltage applied at needle nozzle 2 is
20kV。
Carried out during production by procedure below, spinning solution is evenly applied to each needle nozzle 2 by outside coating unit
On, pedestal 1 is fixed relative to collection device, and needle nozzle 2 is towards device 4, and spinning solution is in needle nozzle 2, collection device
Produce induced jet under the induction electric field formed, induced jet is induced to collection device formation fiber, can continue without
Discontinuously carry out spinning.
In order to show the technique effect achieved by the present invention, the present invention provides a kind of instantiation and illustrated herein,
As shown in figure 4, the electric field intensity map obtained for a kind of concrete structure of the invention, institute's power taking is electric field at nozzle tip 0.5mm.
The diameter 1mm of needle nozzle 2, length 15mm, the spacing of adjacent needle nozzle subpoint is bottom on 20mm, trapezoid cross section
18mm, go to the bottom 52mm, high 6.28mm, and quadrangular length is 200mm.Quadrangular face top line is 165mm apart from collection device distance,
The a width of 60mm of collection device, a length of 240mm, thickness is 2mm；Application voltage is 20kV.
As reference, present invention also offers two groups of structures using the distribution of nozzle in the prior art, as shown in Figure 5A, it is
The uniform structure chart equidistantly set in ranks in plane, a diameter of 1mm of nozzle is highly 15mm, and adjacent nozzle spacing is
20mm, the top of nozzle is from being 150mm, a width of 60mm of collection device with a distance from collection device, and a length of 240mm, thickness is 2mm, is applied
Making alive is 20kV.Available electric field intensity map as shown in Figure 5 B.
As shown in Figure 6A, it is the structure chart of setting rhombus nozzle in plane, a diameter of 1mm of nozzle, length is 15mm, phase
Adjacent injector spacing is 20mm, and the top of nozzle 51 is 150mm apart from collection device distance, collection device a width of 60mm, a length of
240mm, thickness is 2mm, and application voltage is 20kV, can obtain the electric field intensity map shown in Fig. 6 B.
The electric-field intensity difference of adjacent needle nozzle is smaller in the electric field intensity map of comparison diagram 4, Fig. 5 B and Fig. 6 B, Fig. 4, and often
The electric-field intensity difference of individual region (every two or four crests are by one group of curve formed) is smaller；And it is adjacent in Fig. 5 B and Fig. 6 B
The electric-field intensity gap of nozzle is substantially than big in Fig. 4.Therefore the electric field for using this electrostatic spinning injection apparatus to be obtained is more equal
It is even, and syringe needle number in unit area doubles.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle, can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase
Consistent most wide scope.
Claims (8)
1. a kind of electrostatic spinning injection apparatus, it is characterised in that the pedestal (1) including column, the pedestal (1) at least includes top
Face and two sides, the angle between top surface and each side is obtuse angle, and pin type is set respectively on top surface and two sides
Nozzle (2)；The needle nozzle (2) and the plane at respective place are mutually perpendicular to, and the needle nozzle (2) is provided with liquid outlet channel,
And the solution cavity in the pedestal (1) is communicated in, the caliber of the liquid outlet channel of the needle nozzle (2) gradually contracts from bottom to top
It is small；The projection of four groups of needle nozzles (2) in a horizontal plane is on four summits of rhombus, the pedestal (1)
Set along its length it is multigroup composition rhombus the needle nozzle (2), constitute rhombus four needle nozzles (2) on
The middle vertical plane of pedestal (1) top surface is symmetrical.
2. electrostatic spinning injection apparatus according to claim 1, it is characterised in that the section of the pedestal (1) is isosceles
Trapezoidal, the angle at trapezoidal base angle is 20~25 degree.
3. electrostatic spinning injection apparatus according to claim 2, it is characterised in that the needle nozzle (2) constitutes rhombus
Two diagonal in, longer one is vertical with the length direction of the pedestal (1).
4. electrostatic spinning injection apparatus according to claim 3, it is characterised in that four needle nozzles (2) and institute
The line for stating pedestal (1) tie point constitutes the sharp angle of rhombus for 60 degree.
5. electrostatic spinning injection apparatus according to claim 4, it is characterised in that by the pin type on the pedestal (1)
In the rhombus that nozzle (2) line is constituted, the spacing of two neighboring rhombus is equal with the length of side of rhombus.
6. electrostatic spinning injection apparatus according to claim 5, it is characterised in that the needle nozzle (2) it is a diameter of
0.5~1.5mm, length is 10~20mm, and the size of each needle nozzle (2) is identical；The line of the needle nozzle (2)
The rhombus length of side of composition is 15~25mm.
7. electrostatic spinning injection apparatus according to claim 6, it is characterised in that the upper surface distance of the pedestal (1)
The spacing of collection device is 150~175mm；A height of 6~7mm of pedestal (1) trapezoid cross section.
8. electrostatic spinning injection apparatus according to claim 7, it is characterised in that the pedestal (1), the needle nozzle
(2) it is made of copper with the collection device, the voltage that needle nozzle (2) place applies is 20kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590611.XA CN107142531A (en) | 2017-07-19 | 2017-07-19 | A kind of electrostatic spinning injection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590611.XA CN107142531A (en) | 2017-07-19 | 2017-07-19 | A kind of electrostatic spinning injection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107142531A true CN107142531A (en) | 2017-09-08 |
Family
ID=59775741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710590611.XA Pending CN107142531A (en) | 2017-07-19 | 2017-07-19 | A kind of electrostatic spinning injection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107142531A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137093A (en) * | 2018-09-05 | 2019-01-04 | 东华大学 | A kind of electrospinning process of the more water-spraying fabrics of free surface |
| CN112892898A (en) * | 2021-01-15 | 2021-06-04 | 江苏大学 | Electrostatic atomization nozzle capable of controlling jet quantity and jet angle and system thereof |
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| CN101556288A (en) * | 2009-04-10 | 2009-10-14 | 南通市伊士生物技术有限责任公司 | Reagent card for detecting human ABO/RHD blood-grouping and detection method using same |
| KR20110026185A (en) * | 2009-09-07 | 2011-03-15 | 한국생산기술연구원 | Apparatus and method for manufacturing nanofiber web using electro-spinning |
| CN103334163A (en) * | 2013-06-18 | 2013-10-02 | 清华大学 | Electrospinning sprayer unit, electrospinning liquid filamentation device and electrostatic spinning machine |
| CN106119989A (en) * | 2016-08-11 | 2016-11-16 | 广东工业大学 | The electrostatic spinning nozzle of face of cylinder rhombus spaced array and electrospinning process |
| CN106167921A (en) * | 2016-08-11 | 2016-11-30 | 广东工业大学 | The electrostatic spinning nozzle of face of cylinder tetragon symmetric array and electrospinning process |
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2017
- 2017-07-19 CN CN201710590611.XA patent/CN107142531A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556288A (en) * | 2009-04-10 | 2009-10-14 | 南通市伊士生物技术有限责任公司 | Reagent card for detecting human ABO/RHD blood-grouping and detection method using same |
| KR20110026185A (en) * | 2009-09-07 | 2011-03-15 | 한국생산기술연구원 | Apparatus and method for manufacturing nanofiber web using electro-spinning |
| CN103334163A (en) * | 2013-06-18 | 2013-10-02 | 清华大学 | Electrospinning sprayer unit, electrospinning liquid filamentation device and electrostatic spinning machine |
| CN106119989A (en) * | 2016-08-11 | 2016-11-16 | 广东工业大学 | The electrostatic spinning nozzle of face of cylinder rhombus spaced array and electrospinning process |
| CN106167921A (en) * | 2016-08-11 | 2016-11-30 | 广东工业大学 | The electrostatic spinning nozzle of face of cylinder tetragon symmetric array and electrospinning process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137093A (en) * | 2018-09-05 | 2019-01-04 | 东华大学 | A kind of electrospinning process of the more water-spraying fabrics of free surface |
| CN112892898A (en) * | 2021-01-15 | 2021-06-04 | 江苏大学 | Electrostatic atomization nozzle capable of controlling jet quantity and jet angle and system thereof |
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