CN114654167A - Manufacturing method of orthogonal ellipsoid gold black cavity - Google Patents
Manufacturing method of orthogonal ellipsoid gold black cavity Download PDFInfo
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- CN114654167A CN114654167A CN202210139917.4A CN202210139917A CN114654167A CN 114654167 A CN114654167 A CN 114654167A CN 202210139917 A CN202210139917 A CN 202210139917A CN 114654167 A CN114654167 A CN 114654167A
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Abstract
The invention discloses a manufacturing method of an orthogonal ellipsoid gold-black cavity, which relates to the technical field of mechanical manufacturing. Compared with the traditional process for preparing the cylindrical black cavity by turning and electroplating, the method is a novel black cavity preparation method, and avoids the defects of the surfaces of the black cavity mandrel and the gold layer caused by the arc transition area of the black cavity with a complex structure in the mandrel processing and the electric field effect in the electroplating process.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing, in particular to the technical field of manufacturing methods of orthogonal ellipsoid gold black cavities.
Background
In the indirect driving inertial confinement fusion research, laser is converted into X-ray through the wall of a black cavity to irradiate a low-atomic-number material target pellet in the center of the black cavity, so that the fuel in the center of the target pellet reaches the fusion condition of high temperature and high density, and the method is one of solutions for human science to utilize fusion energy. This requires that the radiation driven asymmetry of the black cavity be controlled below 1%. The traditional black cavity is a cylindrical cavity with two laser incident holes at two ends, and the traditional black cavity aims to improve the radiation environment in the black cavity, improve the laser coupling efficiency and reduce the back reflection.
The traditional cylindrical black cavity preparation process generally adopts a precise turning mandrel, a plating layer of a black cavity material is plated through an electroplating process, and after secondary processing through precise turning, the mandrel material is removed through an acidic or alkaline solution to obtain a hollow cylindrical black cavity. The conventional process can be used for preparing a cylindrical black cavity, but for the preparation of the orthogonal ellipsoid black cavity, the following problems exist if the conventional preparation process is adopted:
(1) due to the limitation of the radius of the cutter, when the central spindle of the ellipsoidal cavity is machined, a larger arc transition area can be generated at the intersecting position of the orthogonal ellipsoidal cavity, so that the inner wall of the corroded black cavity is not in a complete ellipsoidal shape, the difficulties of multi-ring injection and inner-outer ring power ratio regulation and control can be caused, the asymmetry of radiation driving is increased, and the radiation environment in the black cavity cannot be effectively improved.
(2) In the electroplating process, the intersecting position of the orthogonal ellipsoid cavities is difficult to effectively plate the black cavity material layer due to the electric field effect, so that the wall of the black cavity is incomplete.
Disclosure of Invention
The invention aims to: in order to solve the above technical problems, the present invention provides a method for manufacturing an orthogonal ellipsoid gold black cavity.
The invention specifically adopts the following technical scheme for realizing the purpose:
a manufacturing method of an orthogonal ellipsoid gold black cavity comprises the following steps:
step one, preparing two pure gold block materials;
secondly, a precise numerical control milling device is adopted, a numerical control milling program is compiled through three-dimensional milling software on the precise numerical control milling device, and orthogonal ellipsoid gold black cavity half cavities are respectively processed on the two pure gold bulk materials;
bonding the two pure gold block materials on the surface of the hard aluminum sucker with a smooth surface through instant quick-drying glue;
step four, cutting the two pure gold block-shaped materials processed in the step three into two orthogonal ellipsoid gold black cavity half cavities by a slow-speed wire;
step five, respectively arranging concave-convex spigot structures at the joints of the two orthogonal ellipsoid gold black cavity half cavities to ensure the positioning precision after butt joint;
dissolving the instant quick-drying glue adhered to the two orthogonal ellipsoid gold black cavity half cavities on the surface of the hard aluminum sucker by using an acetone solution, and cleaning the two orthogonal ellipsoid gold black cavity half cavities;
seventhly, butting the two cleaned orthogonal ellipsoid gold black cavity half cavities through a concave-convex spigot structure; the two ellipsoidal gold black cavity halves are assembled together by epoxy glue to obtain a complete orthogonal ellipsoidal gold black cavity.
In the first step, the two pure gold bulk materials are both pure gold materials with the purity of more than 99.99 percent.
And in the fourth step, the surface is cut and machined by a single-point diamond turning technology in a flat line mode, and meanwhile the length of the half cavity of the golden black cavity is guaranteed.
And step five, in order to avoid the adhesive layer from entering the black cavity, a groove is arranged at the joint of the two half cavities to serve as a storage space for the excess adhesive in the connection process.
The invention has the following beneficial effects:
1. compared with the traditional process for preparing the cylindrical black cavity by turning and electroplating, the method is a novel black cavity preparation method, and avoids the defects of the surfaces of the black cavity mandrel and the gold layer caused by the arc transition area of the black cavity with a complex structure in the mandrel processing and the electric field effect in the electroplating process.
2. The technical innovation point of the invention is that the metal block material is adopted and machined into two half cavities, so that the size and shape of the inner wall of the half cavity are ensured, the effective action area of the black cavity of the inner wall is ensured to meet the design requirement of the black cavity after assembly and forming, and the requirements such as laser injection and the like are not influenced for the external structure.
Drawings
FIG. 1 is an orthogonal ellipsoid gold black cavity half cavity with a female structural spigot;
FIG. 2 is an orthogonal ellipsoid gold black cavity half-cavity with a male structural spigot;
FIG. 3 is a schematic structural diagram of a method for manufacturing an orthogonal ellipsoidal gold black cavity according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, this embodiment provides a method for manufacturing an orthogonal ellipsoidal gold black cavity, which includes the following steps:
step one, preparing two pure gold block materials;
secondly, a precise numerical control milling device is adopted, a numerical control milling program is compiled through three-dimensional milling software on the precise numerical control milling device, and orthogonal ellipsoid gold black cavity half cavities are respectively processed on the two pure gold bulk materials;
bonding the two pure gold block materials on the surface of the hard aluminum sucker with a smooth surface through instant quick-drying glue;
step four, cutting the two pure gold block-shaped materials processed in the step three into two orthogonal ellipsoid gold black cavity half cavities by a slow-speed wire;
step five, respectively arranging concave-convex spigot structures at the joints of the two orthogonal ellipsoid gold black cavity half cavities to ensure the positioning precision after butt joint;
dissolving the instant quick-drying glue adhered to the two orthogonal ellipsoid gold black cavity half cavities on the surface of the hard aluminum sucker by using an acetone solution, and cleaning the two orthogonal ellipsoid gold black cavity half cavities;
seventhly, butting the two cleaned orthogonal ellipsoid gold black cavity half cavities through a concave-convex spigot structure; the two ellipsoidal gold black cavity halves are assembled together by epoxy glue to obtain a complete orthogonal ellipsoidal gold black cavity.
Compared with the traditional process for preparing the cylindrical black cavity by turning and electroplating, the method is a new black cavity preparation method, and avoids the defects of the surfaces of the black cavity mandrel and the gold layer caused by the arc transition area of the black cavity with a complex structure in the mandrel processing and the electric field effect in the electroplating process.
Example 2
As shown in fig. 1 to 3, this embodiment provides a method for manufacturing an orthogonal ellipsoidal gold black cavity, which includes the following steps:
preparing two pure gold bulk materials, wherein the two pure gold bulk materials are both pure gold materials with the purity of more than 99.99 percent;
secondly, a precise numerical control milling device is adopted, a numerical control milling program is compiled through three-dimensional milling software on the precise numerical control milling device, and orthogonal ellipsoid gold black cavity half cavities are respectively processed on the two pure gold bulk materials;
bonding the two pure gold block materials on the surface of the hard aluminum sucker with a smooth surface through instant quick-drying glue;
step four, cutting the two pure gold block-shaped materials processed in the step three into two orthogonal ellipsoid gold black cavity half cavities by a slow-speed wire; the surface is cut and processed by a single-point diamond turning technology in a flat line mode, and meanwhile, the length of a half cavity of the golden black cavity is guaranteed;
step five, respectively arranging concave-convex spigot structures at the joints of the two orthogonal ellipsoid gold black cavity half cavities, ensuring the positioning precision after butt joint, and arranging grooves at the joints of the two half cavities as storage spaces for excess glue in the connection process in order to avoid the glue layer from entering the black cavity;
dissolving the instantaneous quick-drying glue of the two orthogonal ellipsoid gold black cavity half cavities adhered to the surface of the hard aluminum sucker by using an acetone solution, and cleaning the two orthogonal ellipsoid gold black cavity half cavities;
seventhly, butting the two cleaned orthogonal ellipsoid gold black cavity half cavities through a concave-convex spigot structure; the two ellipsoidal gold black cavity halves are assembled together by epoxy glue to obtain a complete orthogonal ellipsoidal gold black cavity.
This embodiment adopts the metal block material, becomes two half chambeies through machining, guarantees half intracavity wall size shape, guarantees the effective region of action in inner wall black chamber and satisfies black chamber design requirement after assembling shaping, and only need not influence requirements such as laser injection into can to external structure.
Claims (4)
1. A manufacturing method of an orthogonal ellipsoid gold black cavity is characterized by comprising the following steps:
step one, preparing two pure gold block materials;
secondly, adopting precise numerical control milling equipment, compiling a numerical control milling program through three-dimensional milling software on the precise numerical control milling equipment, and respectively processing orthogonal ellipsoid gold black cavity half cavities on the two pure gold block materials;
bonding two pure gold block materials on the surface of the hard aluminum sucker with a flat surface through instant quick-drying glue;
step four, cutting the two pure gold block-shaped materials processed in the step three into two orthogonal ellipsoid gold black cavity half cavities by a slow-speed wire;
step five, concave-convex spigot structures are respectively arranged at the connecting positions of the two orthogonal ellipsoid gold black cavity half cavities, so that the positioning precision after butt joint is ensured;
dissolving the instant quick-drying glue adhered to the two orthogonal ellipsoid gold black cavity half cavities on the surface of the hard aluminum sucker by using an acetone solution, and cleaning the two orthogonal ellipsoid gold black cavity half cavities;
seventhly, butting the two cleaned orthogonal ellipsoid gold black cavity half cavities through a concave-convex spigot structure; the two ellipsoidal gold black cavity halves are assembled together by epoxy glue to obtain a complete orthogonal ellipsoidal gold black cavity.
2. The method as claimed in claim 1, wherein in step one, the two pieces of pure gold bulk material are pure gold with a purity of more than 99.99%.
3. The method of claim 1, wherein in the fourth step, the surface is machined by flat wire cutting with single point diamond turning while ensuring the half-cavity length of the golden black cavity.
4. The method as claimed in claim 1, wherein in step five, in order to prevent the glue layer from entering the black cavity, a groove is formed at the joint of the two half cavities to serve as a storage space for excess glue during the connection process.
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| CN202210139917.4A CN114654167B (en) | 2022-02-15 | 2022-02-15 | Method for manufacturing orthorhombic ellipsoidal gold black cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091131A (en) * | 2022-06-29 | 2022-09-23 | 中国工程物理研究院激光聚变研究中心 | Manufacturing method of nickel-CH composite black cavity |
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| JP2003013959A (en) * | 2001-06-28 | 2003-01-15 | Koyo Seiko Co Ltd | Steel balls used for rolling bearing and its manufacturing method |
| CN103286400A (en) * | 2013-07-02 | 2013-09-11 | 中国工程物理研究院激光聚变研究中心 | Large depth-diameter ratio double taper hole wire cut electrical discharge machining method of conductive materials |
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| CN115091131A (en) * | 2022-06-29 | 2022-09-23 | 中国工程物理研究院激光聚变研究中心 | Manufacturing method of nickel-CH composite black cavity |
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