CN101699571B - Method for manufacturing internal conducting rod of large-scaled high-frequency resonant cavity - Google Patents
Method for manufacturing internal conducting rod of large-scaled high-frequency resonant cavity Download PDFInfo
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- CN101699571B CN101699571B CN 200910160368 CN200910160368A CN101699571B CN 101699571 B CN101699571 B CN 101699571B CN 200910160368 CN200910160368 CN 200910160368 CN 200910160368 A CN200910160368 A CN 200910160368A CN 101699571 B CN101699571 B CN 101699571B
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Abstract
The invention mainly relates to a method for manufacturing an internal conducting rod of a large-scaled high-frequency resonant cavity. The method comprises the following steps of: welding an oxygen free copper semi-tube and a semi-box into a whole on a platform; soldering cooling coils on the inner walls of the semi-tube and the semi-box; welding a tube sleeve and an end plate, and performing leakage detection; closely clamping a welding piece of two semi-tubes and semi-boxes by a clamping ring, and putting the welding piece of the end plate and the tube sleeve on the end head of the splicing piece; by using vacuum electric beam welder, spot welding the splicing pieces into one body, removing the clamping ring, using the vacuum electric beam welder again to achieve full penetration of weld of seams between the two semi-tubes and between the two semi-tubes and the end head; under water cooling, welding seams between the two semi-boxes and between the semi-boxes and a drift tube; welding seams between the cooling coil and the tube sleeve, and performing leakage detection; fine finishing the internal conducting rod; and finally mechanically polishing the outer surface of the internal conducting rod. The internal conducting rod of the large-scaled high-frequency resonant cavity, which is manufactured by the novel process, has the advantages of small surface resistance, good conducting performance, high cooling efficiency, good stability, small errors of dimensional size and shape, and good vacuum indexes and the improved performance of the whole high-frequency resonant cavity.
Description
Technical field:
The present invention relates generally to high-frequency apparatus--and the manufacturing novel technique field of conducting rod in the core component of-large-scale high-frequency resonant cavity relates in particular to a kind of manufacture method of internal conducting rod of large-scaled high-frequency resonant cavity.
Background technology:
The manufacture level of conducting rod is one of key that influences the cavity performance parameter in the high-frequency resonant cavity.Interior conducting rod is carrying tens thousand of volt radio frequency high voltages, its reliability is extremely important to resonant cavity, therefore, can concern the height of resonant cavity quality factor and the stability of resonance frequency by conducting rod crudy in mechanical processing technique guarantees well.At present, in making with conventional welding means during conducting rod, owing to produce defectives such as welding deformation, the depth of weld is not enough, the soldering coil pipe comes off, the direct manufacture level of the interior conducting rod of influence, even be easy to generate midway and scrap.In recent years, the development of large-scale vacuum electron beam welding, for we provide aspect the non-ferrous metal welding a kind of newly by way of, not only concentration of energy, heat affected area are little, and the depth of weld is big, welding quality is high, for this reason, explore a kind of coming of new technology and seem very meaningful, can improve the manufacture level of internal conducting rod of large-scaled high-frequency resonant cavity greatly.
Summary of the invention:
The manufacture method that the objective of the invention is to avoid the deficiencies in the prior art part and a kind of internal conducting rod of large-scaled high-frequency resonant cavity is provided, thus efficiently solve the problems of the prior art.
Purpose of the present invention can be by realizing by the following technical solutions: the manufacture method of described internal conducting rod of large-scaled high-frequency resonant cavity, and its characteristics are to include following steps:
(1), outer surface is left the oxygen-free copper pipe (3) that allowance, inner surface is worked into required size and be divided into two semicanals (3-1,3-2) with the line cutting along axis;
(2), be shaped with the oxygen-free copper en box (2-1,2-2) of simple and easy mold interior conducting rod head, especially to note the shape of edges and corners fillet for avoiding striking sparks, use argon arc welding through welding seam then, and trim oxygen-free copper en box (2-1,2-2) box mouth faying face and half and half circular orifices;
(3), on platform, respectively the weldering of oxygen-free copper semicanal (3-1,3-2) and en box (2-1,2-2) is one with argon arc welding;
(4), utilize soldering welding, the first oxygen-free copper cooling coil (6-1,6-2) is welded on respectively on the inwall of oxygen-free copper semicanal (3-1,3-2); (7-1,7-2) is welded on respectively on the inwall of oxygen-free copper en box (2-1,2-2) with the second oxygen-free copper cooling coil.The import and export of first cooling coil (6-1,6-2) and second cooling coil (7-1,7-2) is stayed semicanal (3-1,3-2) open ports one side;
(5), pipe box (5) is soldered on the end socket (4), and butt welded seam carries out helium mass spectrum leak detection, and leak rate should be less than 1 * 10 with argon arc welding
-9PaL/s;
(6), with the amalgamation of the soldering member of two oxygen-free copper semicanals (3-1,3-2) and en box (2-1,2-2) symmetry, with 3 to 4 simple and easy clamp rings clampings, measure plane splicing seams everywhere, the slit should be less than 0.1 millimeter; Soldering member with end socket (4) and pipe box (5) is enclosed within the termination of above-mentioned mosaic piece again, and the import and export of first cooling coil (6-1,6-2) and second cooling coil (7-1,7-2) is passed from pipe box (5) respectively;
(7), use electron-bombardment welding, the gap between each simple and easy clamp ring is an one with mosaic piece spot welding; The simple and easy clamp ring of dismantling then, the second use electron-bombardment welding is with circumference piece sequential welding through welding between two straight line pieces between two semicanals (3-1,3-2) and two semicanals (3-1,3-2) and the end socket (4);
(8), having under the water-cooled measure condition, between the argon arc welding welding two halves boxes (2-1,2-2) and the splicing welding joint between half box (2-1,2-2) and the drift tube (1);
(9), the splicing welding joint between silver-bearing copper weldering welding first cooling coil (6-1,6-2) and second cooling coil (7-1,7-2) import and export and the pipe box (5), postwelding is hunted leak, the leak rate of this weld seam should be less than 1 * 10
-9PaL/s;
(10), conducting rod copper pipe (3) outer surface and end socket (4) end seal face in the fine finishining;
(11), at last to conducting rod outer surface mechanical polishing in the whole high-frequency resonant cavity to minute surface.
Between described two semicanals (3-1,3-2) between two straight line pieces and two semicanals (3-1,3-2) and the end socket (4) the circumference piece need electron-bombardment welding, should get mother metal before the welding and carry out the through welding test, so that determine to be provided with when formally welding the technological parameter of electron-bombardment welding.Circumference vacuum electron beam welding between described two semicanals (3-1,3-2) and the end socket (4) needs to make simple and easy rolling clamp, and pivot is adjustable, is convenient to centering weldment center and overlaps with the anchor clamps pivot.Conducting rod copper pipe (3) outer surface and end socket (4) end seal face in the described fine finishining, need to make simple and easy anchor clamps, and centering plan finished surface center and (2) two side plane centers of interior conducting rod head square box, its center symmetry error should be less than 0.4 millimeter of Φ.
The invention has the beneficial effects as follows: the manufacture method of described internal conducting rod of large-scaled high-frequency resonant cavity, application by advanced manufacturing technology development in recent years, overcome the deficiency in the traditional manufacturing technology, the internal conducting rod of large-scaled high-frequency resonant cavity of adopting new technology and producing, sheet resistance is little, conduct electricity very well, cooling effectiveness height, stability are good, overall dimension and form error is little, the vacuum index is good, improved whole high-frequency resonant cavity performance, its quality factor can reach about 16000, are very ideal results.
Description of drawings:
Fig. 1 is a profile schematic diagram of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is oxygen-free copper en box of the present invention (2-1), semicanal (3-1) and the structural representation that is welded on first cooling coil (6-1) and second cooling coil (7-1) on the inwall respectively thereof;
The generalized section that Fig. 4 cuts open along symmetrical amalgamation face for the present invention;
The generalized section that Fig. 5 cuts open along vertical symmetry amalgamation face for the present invention.
Embodiment:
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:
See Fig. 1,2,3,4,5, the manufacture method of described internal conducting rod of large-scaled high-frequency resonant cavity, its characteristics are to include following steps:
(1), outer surface is left the oxygen-free copper pipe 3 that allowance, inner surface is worked into required size and be divided into two semicanal 3-1,3-2 with the line cutting along axis;
(2), be shaped with oxygen-free copper en box 2-1, the 2-2 of simple and easy mold interior conducting rod head, especially to note the shape of edges and corners fillet for avoiding striking sparks, use argon arc welding through welding seam then, and trim oxygen-free copper en box 2-1,2-2 box mouth faying face and half and half circular orifices;
(3), on platform, be one with oxygen-free copper semicanal 3-1,3-2 and en box 2-1,2-2 weldering respectively with argon arc welding;
(4), utilize soldering welding, the first oxygen-free copper cooling coil 6-1,6-2 are welded on respectively on the inwall of oxygen-free copper semicanal 3-1,3-2; The second oxygen-free copper cooling coil 7-1,7-2 are welded on respectively on the inwall of oxygen-free copper en box 2-1,2-2.The import and export of the first cooling coil 6-1,6-2 and the second cooling coil 7-1,7-2 is stayed semicanal 3-1,3-2 open ports one side;
(5), pipe box 5 is soldered on the end socket 4, and butt welded seam carries out helium mass spectrum leak detection, and leak rate should be less than 1 * 10 with argon arc welding
-9PaL/s;
(6), with the amalgamation of the soldering member of two oxygen-free copper semicanal 3-1,3-2 and en box 2-1,2-2 symmetry, with 3 to 4 simple and easy clamp rings clampings, measure plane splicing seams everywhere, the slit should be less than 0.1 millimeter; Soldering member with end socket 4 and pipe box 5 is enclosed within the termination of above-mentioned mosaic piece again, and the import and export of the first cooling coil 6-1,6-2 and the second cooling coil 7-1,7-2 is passed from pipe box 5 respectively;
(7), use electron-bombardment welding, the gap between each simple and easy clamp ring is an one with mosaic piece spot welding; The simple and easy clamp ring of dismantling then, the second use electron-bombardment welding is with circumference piece sequential welding through welding between two straight line pieces between two semicanal 3-1, the 3-2 and two semicanal 3-1,3-2 and the end socket 4;
(8), having under the water-cooled measure condition, between argon arc welding welding two halves box 2-1, the 2-2 and the splicing welding joint between half box 2-1,2-2 and the drift tube 1;
(9), the splicing welding joint between the silver-bearing copper weldering welding first cooling coil 6-1,6-2 and the second cooling coil 7-1,7-2 import and export and the pipe box 5, postwelding is hunted leak, the leak rate of this weld seam should be less than 1 * 10
-9PaL/s;
(10), conducting rod copper pipe 3 outer surfaces and end socket 4 end seal faces in the fine finishining;
(11), at last to conducting rod outer surface mechanical polishing in the whole high-frequency resonant cavity to minute surface.
The manufacture method of described internal conducting rod of large-scaled high-frequency resonant cavity, between described two semicanal 3-1, the 3-2 between two straight line pieces and two semicanal 3-1,3-2 and the end socket 4 the circumference piece need electron-bombardment welding, should get mother metal before the welding and carry out the through welding test, so that determine to be provided with when formally welding the technological parameter of electron-bombardment welding.Through test, 10
-4-10
-1On the high vacuum electron beam welding equipment of Pa pressure, not under the sealing weld material situation, when selecting the speed of welding of 200-250mA electronic beam current, 50-55KV accelerating voltage, 120cm/min, weld penetration has reached the 7-10 millimeter, has satisfied the welding requirements of described interior conducting rod.
The manufacture method of described internal conducting rod of large-scaled high-frequency resonant cavity, circumference vacuum electron beam welding between described two semicanal 3-1,3-2 and the end socket 4, need to make simple and easy rolling clamp, pivot is adjustable, is convenient to centering weldment center and overlaps with the anchor clamps pivot.Conducting rod copper pipe 3 outer surfaces and end socket 4 end seal faces in the described fine finishining need to make simple and easy anchor clamps, and centering plan finished surface center and 2 two side plane centers of interior conducting rod head square box, and its center symmetry error should be less than 0.4 millimeter of Φ.
Claims (4)
1. the manufacture method of an internal conducting rod of large-scaled high-frequency resonant cavity is characterized in that including following step:
(1), outer surface is left the oxygen-free copper pipe (3) that allowance, inner surface is worked into required size and be divided into two semicanals (3-1,3-2) with the line cutting along axis;
(2), be shaped with the oxygen-free copper en box (2-1,2-2) of simple and easy mold interior conducting rod head, especially to note the shape of edges and corners fillet for avoiding striking sparks, use argon arc welding through welding seam then, and trim oxygen-free copper en box (2-1,2-2) box mouth faying face and half and half circular orifices;
(3), on platform, respectively the weldering of oxygen-free copper semicanal (3-1,3-2) and en box (2-1,2-2) is one with argon arc welding;
(4), utilize soldering welding, the first oxygen-free copper cooling coil (6-1,6-2) is welded on respectively on the inwall of oxygen-free copper semicanal (3-1,3-2); The second oxygen-free copper cooling coil (7-1,7-2) is welded on respectively on the inwall of oxygen-free copper en box (2-1,2-2), and the import and export of first cooling coil (6-1,6-2) and second cooling coil (7-1,7-2) is stayed semicanal (3-1,3-2) open ports one side;
(5), pipe box (5) is soldered on the end socket (4), and butt welded seam carries out helium mass spectrum leak detection, and leak rate should be less than 1 * 10 with argon arc welding
-9PaL/s;
(6), with the amalgamation of the soldering member of two oxygen-free copper semicanals (3-1,3-2) and en box (2-1,2-2) symmetry, with 3 to 4 simple and easy clamp rings clampings, measure plane splicing seams everywhere, the slit should be less than 0.1 millimeter; Soldering member with end socket (4) and pipe box (5) is enclosed within the termination of above-mentioned mosaic piece again, and the import and export of first cooling coil (6-1,6-2) and second cooling coil (7-1,7-2) is passed from pipe box (5) respectively;
(7), use electron-bombardment welding, the gap between each simple and easy clamp ring is an one with mosaic piece spot welding; The simple and easy clamp ring of dismantling then, the second use electron-bombardment welding is with circumference piece sequential welding through welding between two straight line pieces between two semicanals (3-1,3-2) and two semicanals (3-1,3-2) and the end socket (4);
(8), having under the water-cooled measure condition, between two en boxes of argon arc welding welding (2-1,2-2) and the splicing welding joint between en box (2-1,2-2) and the drift tube (1);
(9), the splicing welding joint between silver-bearing copper weldering welding first cooling coil (6-1,6-2) and second cooling coil (7-1,7-2) import and export and the pipe box (5), postwelding is hunted leak, the leak rate of this weld seam should be less than 1 * 10
-9PaL/s;
(10), conducting rod copper pipe outer surface and end socket (4) end seal face in the fine finishining;
(11), at last to conducting rod outer surface mechanical polishing in the whole high-frequency resonant cavity to minute surface.
2. the manufacture method of internal conducting rod of large-scaled high-frequency resonant cavity as claimed in claim 1, it is characterized in that: between described two semicanals (3-1,3-2) between two straight line pieces and two semicanals (3-1,3-2) and the end socket (4) the circumference piece adopt electron-bombardment welding, should get mother metal before the welding and carry out the through welding test.
3. the manufacture method of internal conducting rod of large-scaled high-frequency resonant cavity as claimed in claim 1, it is characterized in that: the circumference vacuum electron beam welding between described two semicanals (3-1,3-2) and the end socket (4), make simple and easy rolling clamp, pivot can be regulated.
4. the manufacture method of internal conducting rod of large-scaled high-frequency resonant cavity as claimed in claim 1, it is characterized in that: conducting rod copper pipe outer surface and end socket (4) end seal face in the described fine finishining, need to make simple and easy anchor clamps, and centering plan finished surface center and (2) two side plane centers of interior conducting rod head square box, its center symmetry error should be less than 0.4 millimeter of Φ.
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| CN102501034B (en) * | 2011-12-30 | 2015-01-14 | 无锡信大气象传感网科技有限公司 | Processing technology of outer conductor made of ferrite nodules |
| CN102513796B (en) * | 2011-12-30 | 2014-08-06 | 无锡信大气象传感网科技有限公司 | Machining process for inner conductor of ferrite stub |
| CN102922235B (en) * | 2012-10-31 | 2015-03-11 | 宁波培源电器制造有限公司 | Integral manufacturing method of hexagonal axle |
| CN103192230B (en) * | 2013-04-22 | 2015-09-09 | 中铁科工集团有限公司 | Deep hole processing method and the slip casting block prepared |
| CN104128686B (en) * | 2014-07-17 | 2016-03-09 | 中国科学院近代物理研究所 | Four aerofoil profile radio frequency four polar field accelerator cavity π tringle hydrogen slice soldering methods |
| CN111430130B (en) * | 2020-05-07 | 2021-02-05 | 扬州硕宇高压电气有限公司 | Conductive rod convenient to clean and manufacturing method |
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Application publication date: 20100428 Assignee: Lanzhou Kejin Taiji Corporation Ltd. Assignor: Modern Physics Inst., Chinese Academy of Sciences Contract record no.: 2014620000006 Denomination of invention: Method for manufacturing internal conducting rod of large-scaled high-frequency resonant cavity Granted publication date: 20110608 License type: Exclusive License Record date: 20140617 |
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