CN114986085B - Twisted waveguide processing method - Google Patents
Twisted waveguide processing method Download PDFInfo
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- CN114986085B CN114986085B CN202210426042.6A CN202210426042A CN114986085B CN 114986085 B CN114986085 B CN 114986085B CN 202210426042 A CN202210426042 A CN 202210426042A CN 114986085 B CN114986085 B CN 114986085B
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- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims abstract description 11
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 11
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 238000003801 milling Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 12
- 229910000679 solder Inorganic materials 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/02—Bends; Corners; Twists
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Waveguides (AREA)
Abstract
The invention relates to the field of microwave devices, in particular to a twisted waveguide processing method. The twisted waveguide processing method of the invention firstly completes the machining of the flange, the side plate and the upper and lower plates; then respectively twisting and forming the side plates and the upper and lower plates; then the side plates, the upper plate and the lower plate are assembled together, welded and molded, and then the first flange and the second flange are welded to form a twisted waveguide; then carrying out numerical control finish milling on the shape of the twisted waveguide and the flange; finally, conducting oxidation treatment is carried out on the twisted waveguide, so that the corrosion resistance of the twisted waveguide is enhanced. After the processing, the large-caliber twisted waveguide can be processed, deformation can not be generated, and the method is simple, reduces the processing difficulty and can ensure the performance of the large-caliber twisted waveguide.
Description
Technical Field
The invention relates to the field of microwave devices, in particular to a twisted waveguide processing method.
Background
In the field of navigation measurement and control, satellite communication and other generally practical waveguide systems, it is often necessary to rotate the polarization plane of electric field transmission by a certain angle, and the twisted waveguide is used as a connecting waveguide widely applied to microwaves and millimeter waves, so that it is important to ensure good structure and performance of the twisted waveguide.
The twisted waveguide is characterized in that the polarization direction of electromagnetic waves is changed by 90 degrees through the twisted waveguide, and the propagation direction is unchanged. In order to obtain the twisted waveguide, the most common processing mode directly twists a section of straight waveguide to a required angle through mechanical means, and the disadvantage of the mode is that the mode is difficult to process when the length is larger, deformation caused by deformation is difficult to control when the waveguide is stressed, the working performance of the twisted waveguide is difficult to ensure, and the influence on the reliability of a microwave and millimeter wave system is larger.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a twisted waveguide processing method which is simple, reduces the processing difficulty and ensures the performance of the large-caliber twisted waveguide.
The invention is realized by the following technical scheme: the twisted waveguide processing method comprises the following steps:
a. machining the first flange, the second flange, the two side plates and the two upper and lower plates according to the design requirement of the twisted waveguide;
b. respectively twisting and forming the two side plates and the two upper and lower plates;
c. assembling the twisted side plates, the upper plate and the lower plate together, welding and forming, and welding the first flange and the second flange to form a twisted waveguide;
d. performing numerical control finish milling on the shape of the twisted waveguide and the first flange and the second flange to remove the allowance;
e. the twisted waveguide is subjected to conductive oxidation treatment, so that the corrosion resistance of the twisted waveguide is enhanced.
In order to better realize the invention, in the step a, after finishing the machining of the first flange, the second flange, the two side plates and the two upper and lower plates, deburring treatment is respectively carried out.
In order to better realize the invention, in the step c, when the twisted waveguide is assembled, the side plate and the upper plate and the lower plate are fixed by spot welding, then the twisted waveguide cavity is formed by flame welding, and the twisted waveguide cavity is welded with the first flange and the second flange after the redundant solder is removed.
In order to better realize the invention, in the step d, after the allowance is removed, drilling is machined, and the first flange and the second flange are reamed.
In order to better realize the invention, in the step e, the twisted waveguide is immersed in the solution of 0.5 to 0.7 percent CrO during the conductive oxidation treatment 3 、0.05％～0.1％K 3 Fe(CN) 6 And 0.1 to 0.15 percent of NaF.
In order to better realize the invention, in the step e, after conducting oxidation treatment on the twisted waveguide, the twisted waveguide is washed by running water and dried.
In order to better realize the invention, a first connecting flange and a second connecting flange are respectively arranged at two ends of the upper plate and the lower plate, and a third connecting flange and a fourth connecting flange are respectively arranged at two ends of the side plate; the first connecting flange and the third connecting flange are connected with the first flange, and the second connecting flange and the fourth connecting flange are connected with the second flange.
In order to better realize the invention, the two sides of the upper plate and the lower plate are provided with steps matched with the side plates.
Compared with the prior art, the invention has at least the following advantages and beneficial effects: the twisted waveguide processing method comprises the steps of firstly finishing machining a first flange, a second flange, a side plate and an upper plate and a lower plate; then respectively twisting and forming the side plates and the upper and lower plates; then the side plates, the upper plate and the lower plate are assembled together, welded and molded, and then the first flange and the second flange are welded to form a twisted waveguide; then carrying out numerical control finish milling on the shape of the twisted waveguide and the first flange and the second flange; finally, conducting oxidation treatment is carried out on the twisted waveguide, so that the corrosion resistance of the twisted waveguide is enhanced. After the processing, the large-caliber twisted waveguide can be processed, deformation can not be generated, and the method is simple, reduces the processing difficulty and can ensure the performance of the large-caliber twisted waveguide.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a twisted waveguide of the twisted waveguide processing method of the present invention;
FIG. 2 is a left side schematic view of FIG. 1;
FIG. 3 is a right side schematic view of FIG. 1;
FIG. 4 is a schematic view of a side plate of the twisted waveguide processing method of the present invention;
FIG. 5 is a schematic view of a structure of upper and lower plates of the twist waveguide fabrication method of the present invention;
FIG. 6 is a schematic view of a structure of the twisted waveguide processing method of the present invention when the upper and lower plates are not twisted;
FIG. 7 is a left side schematic view of FIG. 6;
FIG. 8 is a schematic view of a side plate of the twisted waveguide processing method of the present invention when not twisted;
in the figure, the upper plate, the lower plate, the 2 side plate, the 3 first flange, the 4 second flange, the 5 step, the 6 first connecting flange, the 7 second connecting flange, the 8 third connecting flange and the 9 fourth connecting flange are arranged.
Detailed Description
The invention will be further elucidated with reference to the drawings and to specific embodiments. The present invention is not limited to these examples, although they are described in order to assist understanding of the present invention. Specific structural and functional details disclosed herein are merely representative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It should be understood that for the term "and/or" that may appear herein, it is merely one association relationship that describes an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a alone, B alone, and both a and B; for the term "/and" that may appear herein, which is descriptive of another associative object relationship, it means that there may be two relationships, e.g., a/and B, it may be expressed that: a alone, a alone and B alone; in addition, for the character "/" that may appear herein, it is generally indicated that the context associated object is an "or" relationship.
It should be understood that specific details are provided in the following description to provide a thorough understanding of the example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, a system may be shown in block diagrams in order to avoid obscuring the examples with unnecessary detail. In other instances, well-known processes, structures, and techniques may not be shown in unnecessary detail in order to avoid obscuring the examples.
As shown in fig. 1 to 8, the twisted waveguide processing method of the present invention includes the steps of:
a. machining the first flange 3, the second flange 4, the two side plates 2 and the two upper and lower plates 1 according to the design requirements of the twisted waveguide;
b. respectively twisting and forming the two side plates 2 and the two upper and lower plates 1;
c. assembling the twisted side plates 2 and the upper and lower plates 1 together, welding and forming, and welding the first flange 3 and the second flange 4 to form a twisted waveguide;
d. performing numerical control finish milling on the shape of the twisted waveguide and the first flange 3 and the second flange 4 to remove the allowance;
e. the twisted waveguide is subjected to conductive oxidation treatment, so that the corrosion resistance of the twisted waveguide is enhanced.
The twisted waveguide processing method of the invention firstly completes the machining of the first flange 3, the second flange 4, the side plate 2 and the upper and lower plates 1; then the side plate 2 and the upper and lower plates 1 are respectively twisted and formed; then the side plate 2 and the upper and lower plates 1 are assembled together and welded to be formed, and then the first flange 3 and the second flange 4 are welded to form a twisted waveguide; then carrying out numerical control finish milling on the shape of the twisted waveguide and the first flange 3 and the second flange 4; finally, conducting oxidation treatment is carried out on the twisted waveguide, so that the corrosion resistance of the twisted waveguide is enhanced. After the processing, the large-caliber twisted waveguide can be processed, deformation can not be generated, and the method is simple, reduces the processing difficulty and can ensure the performance of the large-caliber twisted waveguide.
Preferably, in the step a, after finishing the machining of the first flange 3, the second flange 4, the two side plates 2 and the two upper and lower plates 1, deburring is performed, so that the conductivity of the twisted waveguide can be improved.
Preferably, in the step c, when the twisted waveguide is assembled, the side plate 2 and the upper and lower plates 1 are fixed by spot welding, then the twisted waveguide cavity is formed by flame welding, and the twisted waveguide cavity is welded with the first flange 3 and the second flange 4 after removing the redundant solder, so that the conductive performance of the twisted waveguide can be further improved after the twisted waveguide is processed. In the step d, after the allowance is removed, machining and drilling are performed, and reaming is performed on the first flange 3 and the second flange 4.
Preferably, in the step e, during the conductive oxidation treatment, the twisted waveguide is immersed in the solution of 0.5 to 0.7 percent CrO 3 、0.05％～0.1％K 3 Fe(CN) 6 And 0.1 to 0.15 percent NaFEtching is carried out, so that the twisted waveguide forms an oxide layer, and the corrosion resistance of the twisted waveguide is enhanced. Preferably, in the step e, after conducting oxidation treatment on the twisted waveguide, the twisted waveguide is washed with running water and dried, so as to ensure the cleanness of the twisted waveguide.
Preferably, a first connecting flange 6 and a second connecting flange 7 are respectively arranged at two ends of the upper plate 1 and the lower plate 1, and a third connecting flange 8 and a fourth connecting flange 9 are respectively arranged at two ends of the side plate 2; the first connecting flange 6, the third connecting flange 8 are connected with the first flange 3, the second connecting flange 7, the fourth connecting flange 9 are connected with the second flange 4, after the design, solder can be prevented from entering the cavity when the twisted waveguide is assembled, and the conduction performance of the twisted waveguide is ensured. Furthermore, the steps 5 matched with the side plates 2 are arranged on the two sides of the upper plate 1 and the lower plate 1, so that solder can be prevented from entering the cavity, and the conduction performance of the twisted waveguide is ensured.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The twisted waveguide processing method is characterized by comprising the following steps:
a. finishing machining of the first flange (3), the second flange (4), the two side plates (2) and the two upper and lower plates (1) according to the design requirements of the twisted waveguide;
b. respectively twisting and forming the two side plates (2) and the two upper and lower plates (1);
c. assembling the twisted side plates (2) and the upper and lower plates (1), welding and forming, and welding the first flange (3) and the second flange (4) to form a twisted waveguide;
d. carrying out numerical control finish milling on the shape of the twisted waveguide and the first flange (3) and the second flange (4) to remove the allowance;
e. conducting oxidation treatment is carried out on the twisted waveguide, so that the corrosion resistance of the twisted waveguide is enhanced; in the step c, when the twisted waveguide is assembled, the side plate (2) and the upper plate and the lower plate (1) are fixed by spot welding, then the twisted waveguide cavity is formed by flame welding, and the twisted waveguide cavity is welded with the first flange (3) and the second flange (4) after redundant solder is removed;
the two ends of the upper plate (1) and the lower plate (1) are respectively provided with a first connecting flange (6) and a second connecting flange (7), and the two ends of the side plate (2) are respectively provided with a third connecting flange (8) and a fourth connecting flange (9); the first connecting flange (6) and the third connecting flange (8) are connected with the first flange (3), and the second connecting flange (7) and the fourth connecting flange (9) are connected with the second flange (4), so that solder can be prevented from entering the cavity when the twisted waveguide is assembled, and the conduction performance of the twisted waveguide is ensured;
the two sides of the upper plate (1) and the lower plate (1) are provided with steps (5) matched with the side plates (2), so that solder can be prevented from entering the cavity, and the conduction performance of the twisted waveguide is ensured.
2. The twisted waveguide processing method according to claim 1, wherein: in the step a, after the machining of the first flange (3), the second flange (4), the two side plates (2) and the two upper and lower plates (1) is completed, deburring treatment is respectively carried out.
3. The twisted waveguide processing method according to claim 1, wherein: in the step d, after the allowance is removed, machining and drilling are carried out, and the first flange (3) and the second flange (4) are reamed.
4. The twisted waveguide processing method according to claim 1, wherein: in the step e, the twisted waveguide is subjected to conductive oxidation treatment, and then is washed by running water and dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426042.6A CN114986085B (en) | 2022-04-22 | 2022-04-22 | Twisted waveguide processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426042.6A CN114986085B (en) | 2022-04-22 | 2022-04-22 | Twisted waveguide processing method |
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| CN114986085A CN114986085A (en) | 2022-09-02 |
| CN114986085B true CN114986085B (en) | 2024-03-01 |
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| CN202210426042.6A Active CN114986085B (en) | 2022-04-22 | 2022-04-22 | Twisted waveguide processing method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115383411B (en) * | 2022-09-21 | 2024-04-30 | 西安艾力特电子实业有限公司 | Method for processing bent waveguide tube and bent waveguide tube structure |
| CN118523059A (en) * | 2024-06-24 | 2024-08-20 | 南京驰韵科技发展有限公司 | Processing method of Ka-band space S-bend data transmission waveguide |
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| CA2644814A1 (en) * | 2008-11-26 | 2010-05-26 | Nick Vouloumanos | A multi-component waveguide assembly |
| CN103972628A (en) * | 2014-04-24 | 2014-08-06 | 成都锦江电子系统工程有限公司 | Self-positioning stepped twisted waveguide and vacuum brazing process thereof |
| CN104393393A (en) * | 2014-11-24 | 2015-03-04 | 成都锦江电子系统工程有限公司 | Processing technique for orthogonal mode power combiner |
| CN105633516A (en) * | 2016-02-23 | 2016-06-01 | 陕西天翌天线有限公司 | Conversion device for waveguide polarization direction |
| CN108123195A (en) * | 2016-11-29 | 2018-06-05 | 天迈科技股份有限公司 | The manufacturing method and its structure of combined type waveguide |
| CN109332453A (en) * | 2018-10-30 | 2019-02-15 | 南京吉凯微波技术有限公司 | A kind of unilateral twisting formation equipment of rectangle waveguide twist |
| CN215342899U (en) * | 2021-06-09 | 2021-12-28 | 广州市吉峰金属塑胶制品有限公司 | Twisted waveguide forming device |
| CN114055098A (en) * | 2021-12-10 | 2022-02-18 | 中国科学院合肥物质科学研究院 | Processing method of bent oblique solenoid CCT framework by caulking groove brazing matching method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6583693B2 (en) * | 2001-08-07 | 2003-06-24 | Andrew Corporation | Method of and apparatus for connecting waveguides |
| US8816799B2 (en) * | 2010-09-30 | 2014-08-26 | Aviat U.S., Inc. | Systems and methods of waveguide assembly using longitudinal features |
-
2022
- 2022-04-22 CN CN202210426042.6A patent/CN114986085B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2644814A1 (en) * | 2008-11-26 | 2010-05-26 | Nick Vouloumanos | A multi-component waveguide assembly |
| CN103972628A (en) * | 2014-04-24 | 2014-08-06 | 成都锦江电子系统工程有限公司 | Self-positioning stepped twisted waveguide and vacuum brazing process thereof |
| CN104393393A (en) * | 2014-11-24 | 2015-03-04 | 成都锦江电子系统工程有限公司 | Processing technique for orthogonal mode power combiner |
| CN105633516A (en) * | 2016-02-23 | 2016-06-01 | 陕西天翌天线有限公司 | Conversion device for waveguide polarization direction |
| CN108123195A (en) * | 2016-11-29 | 2018-06-05 | 天迈科技股份有限公司 | The manufacturing method and its structure of combined type waveguide |
| CN109332453A (en) * | 2018-10-30 | 2019-02-15 | 南京吉凯微波技术有限公司 | A kind of unilateral twisting formation equipment of rectangle waveguide twist |
| CN215342899U (en) * | 2021-06-09 | 2021-12-28 | 广州市吉峰金属塑胶制品有限公司 | Twisted waveguide forming device |
| CN114055098A (en) * | 2021-12-10 | 2022-02-18 | 中国科学院合肥物质科学研究院 | Processing method of bent oblique solenoid CCT framework by caulking groove brazing matching method |
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