CN1845378A - Method for manufacturing high precision antenna reflection surface without honeycomb interlayer - Google Patents
Method for manufacturing high precision antenna reflection surface without honeycomb interlayer Download PDFInfo
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- CN1845378A CN1845378A CN 200610012581 CN200610012581A CN1845378A CN 1845378 A CN1845378 A CN 1845378A CN 200610012581 CN200610012581 CN 200610012581 CN 200610012581 A CN200610012581 A CN 200610012581A CN 1845378 A CN1845378 A CN 1845378A
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Abstract
The disclosed manufacture method for a high-precision antenna reflecting plane without honeycomb sandwich comprises: with skin-surface stretching module desk as base, adhesive as medium and skin-surface plate as the operating plane for reflecting plane unit, sticking directly the plate on supporting backbone surface with vacuum negative-pressure technique to obtain the final product. With simple structure and reliable property, this invention benefits to batch production.
Description
Technical field
The present invention relates to communicate by letter and measurement and control area in a kind of method for manufacturing high-precision antenna reflector that does not have honeycomb interlayer, be specially adapted to be operated in high band especially the various bores, various forms of reflector antenna of Ka frequency range as the batch manufacturing of high accuracy, big rigidity, light weight and outside work antenna reflective face.
Background technology
Develop rapidly along with communication, observation and control technology, working frequency range is more and more higher, thereby it is more and more higher to the high-precision requirement of antenna reflective face, at present at the reflecting surface of the reflector antenna of high band operation, the antenna reflective face manufacture method that particularly is operated in the Ka frequency range has only traditional mechanical processing method and flexible die processing method, and there is some defective in these two kinds of processing methods in performance and operation:
Traditional machining process, though the reflecting surface blank with metal can process comparatively ideal precision, but its deficiency only limits to be applied in the reflecting surface manufacturing of single-piece, miniature antenna, and because mach technological requirement makes the reflecting surface product that finally processes have very big weight and expensive, constituted the key technology weakness that antenna reflective face is made in the high-precision applications field, especially incompatibility large-scale antenna and batch production requirement.
Chinese patent application number is 200510012407.7, name is called in " a kind of method for manufacturing high-precision antenna reflector " patent, it discloses a kind of manufacture method with high-precision antenna reflector of honeycomb interlayer, this method is by the cushioning effect that honeycomb interlayer had between a skin curved panel and the support bone curved slab, increased substantially the accuracy of manufacture of antenna reflective face, but exist the process for making complexity, the deficiency that cost is higher.
Summary of the invention
The objective of the invention is to avoid the weak point in the above-mentioned background technology and provide a kind of and between skin curved panel and support bone curved slab, do not have honeycomb interlayer, the method for manufacturing high-precision antenna reflector of the no honeycomb interlayer of direct bonding formation, and the antenna reflective face that the inventive method is made is the precision height not only, applicable various curvature, various bores, various forms of reflector antennas, but also it is simple in structure to have a reflecting surface, its thinner thickness, weight is also lighter, processing technology is simple, easy to adjust, Costco Wholesale is cheap, stable and reliable for performance, antenna overall construction design maneuverability, under general environment of plant condition, just can manufacture characteristics such as manufacturing, be specially adapted to the batch process manufacturing of the high-precision antenna reflector under the various applied environments.
The object of the present invention is achieved like this, the present invention includes step:
1. under the XOY coordinate system, the theoretical skin curve of design work reflecting surface is that bus rotates a circle around the x axle and forms theoretical skin curved surface 1 with theoretical skin curve;
2. according to the skin surface stretching module platform 3 of theoretical skin curved surface 1 design reflectivity face unit;
3. adopt rustproof aluminum alloy sheet material or aluminum alloy plate materials through quenching technical, on skin surface stretching module platform 3, adopt drawing process to constitute skin curved panel 5;
4. be the thickness that moves a skin curved panel after the datum level normal direction with theoretical skin curved surface 1, a design support bone curved surface 2;
5. according to a support bone surface stretching module platform 4 that props up support bone curved surface 2 design reflectivity face unit;
6. adopt aluminum alloy plate materials through quenching technical, on a support bone surface stretching module platform 4, adopt drawing process to constitute a support bone curved slab 6;
7. with support bone curved slab 6 back side curved surface, design Z section bar muscle beam stretch bending mould platform adopts aluminium alloy Z section bar, constitutes aluminium alloy Z section bar muscle beam 7 by drawing process on Z section bar muscle beam stretch bending mould platform;
8. according to propping up a support bone curved surface 2, Z section bar muscle beam 7 in the supporting construction of propping up support bone curved slab 6 back sides, design support frame face riveted joint type frame 8 will prop up support bone curved slab 6 and Z section bar muscle beam 7 riveted joint formation support frame panels 9 on support frame face riveted joint type frame 8;
9. on skin surface stretching module platform 3, skin curved panel 5 is pasted the mould location to be placed, on its back side, be coated with layer of adhesive 10, on support bone curved slab 6 front of support frame panel 9, be coated with location, layer of adhesive 11 back lid and put on skin curved panel 5, constitute the antenna reflective face unit that bonded structure does not have honeycomb interlayer;
10. the antenna reflective face unit of skin surface stretching module platform 3 and bonded structure is sleeved in the sealing negative pressure bag, it is bonding to vacuumize the antenna reflective face unit subsides mould negative pressure that makes bonded structure in the sealing negative pressure bag, open sealing negative pressure bag, the bonding final acquisition overall structure of the antenna reflective face unit negative pressure of bonded structure does not have the high-precision antenna reflector unit 12 of honeycomb interlayer.
The thickness of skin curved panel 5 that the present invention does not have a high-precision antenna reflector unit 12 of honeycomb interlayer is that the thickness of 0.2 to 2 millimeter, support bone curved slab 6 is 1 to 2 millimeter.
The present invention compares with background technology has following advantage:
1. to have overcome Chinese patent application number be 200510012407.7 in the present invention, name is called the deficiency that has the method for manufacturing high-precision antenna reflector of honeycomb interlayer in " a kind of method for manufacturing high-precision antenna reflector " patent, adopted the method for manufacturing high-precision antenna reflector of the no honeycomb interlayer of direct bonding formation between a skin curved panel and a support bone curved slab, be characterized in both keeping the advantage in " a kind of method for manufacturing high-precision antenna reflector ", simplified simultaneously process for making again, reduce manufacturing cost, improved the ratio of performance to price of antenna reflective face.
2. the present invention has adopted routine, ripe reflecting surface covering mould platform drawing technique for manufacturing to make a skin curved panel 5 and a support bone curved slab 6, this technology makes material that plastic deformation take place fully, especially skin curved panel 5 adopts thickness to have only 0.2 to 2 millimeter conventional industrial aluminium sheet, so after the reflecting surface moulding, not only precision is very high, its surperficial root mean square σ value can reach below 0.05 millimeter, and does not have resilience stress, is applicable to various curvature, various forms of reflecting surface.
3. the manufacturing technology of support frame panel 9 of the present invention also is conventional and technology maturation, it is actually a reflecting surface that does not play reflex, be characterized in not only providing the characteristic of high strength and big rigidity for the work reflecting surface, simultaneously for being connected of work reflecting surface and back of the body frame, adjusts to provide and very makes things convenient for and reliable structure interface.Again because of support frame panel 9 adopts riveted structure, so except the characteristics with high strength, big rigidity, volume is little, in light weight in addition, technology is simple, reliability is high, advantage widely conforms.
4. the present invention orientates the basis as with skin surface stretching module platform 3, with adhesive 10,11 is medium, skin curved panel 5 is as the working face of reflecting surface unit, use negative pressure of vacuum technology, moulding one layer thickness is that 0.2 to 2 millimeter high accuracy reflecting surface constitutes core technology characteristics of the present invention on the support bone curved surface 2 of support frame panel 9.Because the good subsides mould precision of skin curved panel 5 and its support bone curved slab 6 direct and support frame panel 9 are bonding, make that the precision contractibility of propping up support bone curved slab 6 of support frame panel 9 is strong, thereby technology is simple, cost reduces, and the working face precision of reflecting surface unit is very high.The panel of reflecting surface unit, muscle beam stretch with the mould platform, and the forming mould platform location of reflecting surface unit, the process of riveted joint make it be very suitable for producing in batches under general factory condition.
Description of drawings
Fig. 1-1 is to Fig. 1-the 8th, and the present invention does not have the manufacturing process flow diagram of the method for manufacturing high-precision antenna reflector most preferred embodiment of honeycomb interlayer.
Among Fig. 1: 1 is that theoretical skin curved surface, 2 is that a support bone curved surface, 3 is that skin surface stretching module platform, 4 is that skin curved panel, 6 is the high-precision antenna reflector unit of no honeycomb interlayer for support frame panel, 10 and 11 for adhesive, 12 for support frame face riveted joint type frame, 9 for Z section bar muscle beam, 8 for propping up a support bone curved slab, 7 for propping up a support bone surface stretching module platform, 5.
Embodiment
Most preferred embodiment of the present invention comprises the following steps: as shown in Figure 1
(1) under the XOY coordinate system, the theoretical skin curve of design work reflecting surface, to be bus around the x axle rotate a circle forms theoretical skin curved surface 1 with theoretical skin curve, as Fig. 1-1.
(2) according to the skin surface stretching module platform 3 of theoretical skin curved surface 1 design reflectivity face unit, the reflecting surface of large and medium-sized antenna is generally adjusted assembly unit by being divided into multiple less reflecting surface unit, adopts the manufacturing of same stretching die platform with a kind of reflecting surface unit.Embodiment skin surface stretching module platform 3 adopts cast iron materials, and its surface processes high-precision skin curved surface through numerical control machine, as Fig. 1-2.
(3) adopt rustproof aluminum alloy sheet material or aluminum alloy plate materials through quenching technical, on skin surface stretching module platform 3, adopt drawing process to constitute skin curved panel 5, it is as the high accuracy reflecting surface, the thickness of skin curved panel 5 is 0.2 to 2 millimeter, embodiment adopts the rustproof aluminum alloy sheet material of 0.5 millimeters thick to make skin curved panel 5, as Fig. 1-3.
(4) be that the Thickness Design of moving a skin curved panel after the datum level normal direction is propped up support bone curved surface 2 with theoretical skin curved surface 1, it is equidistant that the effect that moves after the normal direction is that two faces keep, and moves 0.5 millimeter design support bone curved surface 2 after the embodiment normal direction, as Fig. 1-1.
(5) according to a support bone surface stretching module platform 4 of support bone curved surface 2 a design reflectivity face unit, the reflecting surface of large and medium-sized antenna is generally adjusted assembly unit by being divided into multiple less reflecting surface unit, adopts the manufacturing of same stretching die platform with a kind of reflecting surface unit.Prop up support bone surface stretching module platform 4 and adopt steel mould stage bodies, the surface is an epoxy resin, scrapes the type processes by model and forms, and adopts this processes mainly to reduce technology difficulty and processing cost, as Fig. 1-4.
(6) adopt aluminum alloy plate materials through quenching technical, on a support bone surface stretching module platform 4, adopt drawing process to constitute a support bone curved slab 6, it is as the inoperative reflecting surface, the thickness that props up support bone curved slab 6 is 1 to 2 millimeter, the purpose of aluminum alloy plate materials quenching technical is to help plate forming, embodiment adopts the 2A12-0 type aluminum alloy plate materials of 2 millimeters thick through quenching technical, makes a support bone curved slab 6, as Fig. 1-5.
(7) with support bone curved slab 6 back side curved surface, design Z section bar muscle beam stretch bending mould platform adopts aluminium alloy Z section bar, constitutes aluminium alloy Z section bar muscle beam 7 by drawing process on stretch bending mould platform, and Z section bar muscle beam 7 improves stiffness as support bone curved slab 6 a reinforcement beam.Embodiment aluminium alloy Z section bar stretch bending mould platform adopts steel material, is processed by numerical control machine.Aluminium alloy Z section bar adopts commercially available Z section bar, constitutes aluminium alloy Z section bar muscle beam 7 by drawing process on stretch bending mould platform, as Fig. 1-6.
(8) according to propping up a support bone curved surface 2, Z section bar muscle beam 7 in the supporting construction of propping up support bone curved slab 6 back sides, design support frame face riveted joint type frame 8 will prop up support bone curved slab 6 and Z section bar muscle beam 7 riveted joint formation support frame panels 9 on support frame face riveted joint type frame 8.Support frame panel 9 not only provides the characteristic of high strength and big rigidity for the work reflecting surface, simultaneously for being connected of work reflecting surface and back of the body frame, adjusts to provide and very makes things convenient for and reliable structure interface.Again because of support frame panel 9 adopts riveted structure, so except the characteristics with high strength, big rigidity, volume is little, in light weight in addition, technology is simple, reliability is high, advantage widely conforms.Embodiment support frame face riveted joint type frame 8 adopts the steel material welding, is processed by numerical control machine, as Fig. 1-6.
(9) on skin surface stretching module platform 3, skin curved panel 5 is pasted the mould location to be placed, on its back side, be coated with layer of adhesive 10, on support bone curved slab 6 front of support frame panel 9, be coated with location, layer of adhesive 11 back lid and put on skin curved panel 5, constitute the antenna reflective face unit that bonded structure does not have honeycomb interlayer.Because the good subsides mould precision of skin curved panel 5 and its support bone curved slab 6 direct and support frame panel 9 are bonding, make that the precision contractibility of propping up support bone curved slab 6 of support frame panel 9 is strong, processing technology is simple, cost reduces, the working face precision of reflecting surface unit is very high thereby make.Embodiment adhesive 10 and adhesive 11 adopt epobond epoxyn, as Fig. 1-7.
(10) the antenna reflective face unit of skin surface stretching module platform 3 and bonded structure is sleeved in the sealing negative pressure bag, it is bonding to vacuumize the antenna reflective face unit subsides mould negative pressure that makes bonded structure in the sealing negative pressure bag, open sealing negative pressure bag, the integrally-built high-precision antenna reflector of the bonding final acquisition of the antenna reflective face unit negative pressure unit 12 of bonded structure.Adopting the bonding purpose of negative-pressure vacuum is to utilize the softness characteristics of atm difference and negative pressure of vacuum bag to make the skin curved panel 5 accurate moulds that paste, and make skin curved panel 5 under this state and propping up between the support bone curved slab 6 bonding evenly firm, final acquisition overall structure does not have the high-precision antenna reflector unit 12 of honeycomb interlayer, as Fig. 1-8.
Claims (2)
1. method for manufacturing high-precision antenna reflector that does not have honeycomb interlayer, it comprises step:
1. under the XOY coordinate system, the theoretical skin curve of design work reflecting surface is that bus rotates a circle around the x axle and forms theoretical skin curved surface (1) with theoretical skin curve;
2. according to the skin surface stretching module platform (3) of theoretical skin curved surface (1) design reflectivity face unit;
3. adopt rustproof aluminum alloy sheet material or aluminum alloy plate materials through quenching technical, go up at skin surface stretching module platform (3) and adopt drawing process to constitute skin curved panel (5);
4. be the thickness that moves a skin curved panel after the datum level normal direction with theoretical skin curved surface (1), a design support bone curved surface (2);
5. according to a support bone surface stretching module platform (4) that props up support bone curved surface (2) design reflectivity face unit;
6. adopt aluminum alloy plate materials through quenching technical, go up at a support bone surface stretching module platform (4) and adopt drawing process to constitute a support bone curved slab (6);
7. with support bone curved slab (a 6) back side curved surface, design Z section bar muscle beam stretch bending mould platform adopts aluminium alloy Z section bar, constitutes aluminium alloy Z section bar muscle beam (7) by drawing process on Z section bar muscle beam stretch bending mould platform;
8. according to propping up a support bone curved surface (2), Z section bar muscle beam (7) in the supporting construction of propping up support bone curved slab (6) back side, design support frame face riveted joint type frame (8) will prop up support bone curved slab (6) and constitute support frame panel (9) with Z section bar muscle beam (7) riveted joint on support frame face riveted joint type frame (8);
It is characterized in that also comprising step:
9. on skin surface stretching module platform (3), skin curved panel (5) is pasted the mould location to be placed, on its back side, be coated with layer of adhesive (10), on support bone curved slab (a 6) front of support frame panel (9), be coated with location, layer of adhesive (11) back lid and put on skin curved panel (5), constitute the antenna reflective face unit that bonded structure does not have honeycomb interlayer;
10. the antenna reflective face unit of skin surface stretching module platform (3) and bonded structure is sleeved in the sealing negative pressure bag, it is bonding to vacuumize the antenna reflective face unit subsides mould negative pressure that makes bonded structure in the sealing negative pressure bag, open sealing negative pressure bag, the bonding final acquisition overall structure of the antenna reflective face unit negative pressure of bonded structure does not have the high-precision antenna reflector unit (12) of honeycomb interlayer.
2. a kind of method for manufacturing high-precision antenna reflector that does not have honeycomb interlayer according to claim 1 is characterized in that: the thickness of the skin curved panel (5) of the high-precision antenna reflector unit (12) of no honeycomb interlayer is that the thickness of 0.2 to 2 millimeter, support bone curved slab (6) is 1 to 2 millimeter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610012581 CN1845378A (en) | 2006-04-12 | 2006-04-12 | Method for manufacturing high precision antenna reflection surface without honeycomb interlayer |
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| CN 200610012581 CN1845378A (en) | 2006-04-12 | 2006-04-12 | Method for manufacturing high precision antenna reflection surface without honeycomb interlayer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544748A (en) * | 2012-01-13 | 2012-07-04 | 北京航空航天大学 | Method for forming shaped convex surface type high-precision reflection panel with honeycomb sandwich structure |
| CN101505005B (en) * | 2009-02-13 | 2012-07-25 | 中国电子科技集团公司第五十四研究所 | Manufacturing method for temperature adaptive reflecting surface regulating component |
| CN101673880B (en) * | 2009-10-21 | 2012-09-05 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing antenna reflecting surface with aluminum skin honeycomb sandwich structure |
| CN103560332A (en) * | 2013-11-18 | 2014-02-05 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing large-caliber high-precision antenna surface made of composite materials |
| CN104891790A (en) * | 2015-04-13 | 2015-09-09 | 东南大学 | Symmetrical concentrated force and uniformly distributed load coupling bending forming device and application thereof |
| CN105459296A (en) * | 2015-12-23 | 2016-04-06 | 中国电子科技集团公司第五十四研究所 | Light-weight die for high-precision large-sized antenna for radio astronomy and manufacturing method thereof |
| CN110911847A (en) * | 2019-12-02 | 2020-03-24 | 北京航空航天大学 | Combined manufacturing method of large-curvature double-curvature high-precision reflecting panel |
| CN111509399A (en) * | 2020-04-29 | 2020-08-07 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing integral large-area subreflector |
| CN112112885A (en) * | 2020-09-08 | 2020-12-22 | 燕山大学 | Flexible hinge with bidirectional unequal rigidity |
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2006
- 2006-04-12 CN CN 200610012581 patent/CN1845378A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505005B (en) * | 2009-02-13 | 2012-07-25 | 中国电子科技集团公司第五十四研究所 | Manufacturing method for temperature adaptive reflecting surface regulating component |
| CN101673880B (en) * | 2009-10-21 | 2012-09-05 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing antenna reflecting surface with aluminum skin honeycomb sandwich structure |
| CN102544748A (en) * | 2012-01-13 | 2012-07-04 | 北京航空航天大学 | Method for forming shaped convex surface type high-precision reflection panel with honeycomb sandwich structure |
| CN103560332A (en) * | 2013-11-18 | 2014-02-05 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing large-caliber high-precision antenna surface made of composite materials |
| CN103560332B (en) * | 2013-11-18 | 2016-09-28 | 中国电子科技集团公司第五十四研究所 | A kind of manufacture method of caliber high-precision composite antenna surface |
| CN104891790A (en) * | 2015-04-13 | 2015-09-09 | 东南大学 | Symmetrical concentrated force and uniformly distributed load coupling bending forming device and application thereof |
| CN104891790B (en) * | 2015-04-13 | 2017-07-18 | 东南大学 | A kind of symmetrical concentrated force couples hot bending device and its application with evenly load |
| CN105459296A (en) * | 2015-12-23 | 2016-04-06 | 中国电子科技集团公司第五十四研究所 | Light-weight die for high-precision large-sized antenna for radio astronomy and manufacturing method thereof |
| CN110911847A (en) * | 2019-12-02 | 2020-03-24 | 北京航空航天大学 | Combined manufacturing method of large-curvature double-curvature high-precision reflecting panel |
| CN111509399A (en) * | 2020-04-29 | 2020-08-07 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing integral large-area subreflector |
| CN111509399B (en) * | 2020-04-29 | 2021-06-04 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing integral large-area subreflector |
| CN112112885A (en) * | 2020-09-08 | 2020-12-22 | 燕山大学 | Flexible hinge with bidirectional unequal rigidity |
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Application publication date: 20061011 |