CN110280865B - Plasma electrode hafnium wire brazing equipment and brazing method thereof - Google Patents
Plasma electrode hafnium wire brazing equipment and brazing method thereof Download PDFInfo
- Publication number
- CN110280865B CN110280865B CN201910531720.3A CN201910531720A CN110280865B CN 110280865 B CN110280865 B CN 110280865B CN 201910531720 A CN201910531720 A CN 201910531720A CN 110280865 B CN110280865 B CN 110280865B
- Authority
- CN
- China
- Prior art keywords
- external thread
- sliding connection
- cooling water
- electrode body
- thread cylinder
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses plasma electrode hafnium wire brazing equipment which comprises an electrode body and a fixing piece, wherein the electrode body is arranged in a fixing sleeve, the lower end of the fixing sleeve is sleeved with a cooling cover, a cooling water circulation cavity is formed between the cooling cover and the fixing sleeve, a hafnium wire is arranged in a second opening, an external thread cylinder is in threaded connection with the second opening, the lower end of the hafnium wire is inserted into the external thread cylinder, and the clamping structure comprises an upper sliding connection disc and a lower sliding connection disc which are in sliding connection in the external thread cylinder, and a spring is connected between the upper sliding connection disc and the lower sliding connection disc. The hafnium wire is firmly fixed, and the condition that the use strength cannot be achieved due to the fact that the temperature of the electrode body is increased and softened is effectively avoided; the height of the clamping structure in the external thread cylinder can be adjusted by rotating the bolt so as to meet the clamping of hafnium wires with different lengths; the cooling water continuously flows in the cooling water circulation cavity to cool the electrode body, so that the service life of the electrode body is prolonged.
Description
Technical Field
The invention belongs to the technical field of plasma electrode hafnium wire brazing equipment, and particularly relates to plasma electrode hafnium wire brazing equipment and a brazing method thereof.
Background
In the soldering process of the plasma electrode hafnium wire, the copper material of the electrode becomes soft due to the temperature rise, so that the use strength cannot be achieved.
Disclosure of Invention
The invention aims to provide plasma electrode hafnium wire brazing equipment and a brazing method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a plasma electrode hafnium silk equipment of brazing, includes electrode body and mounting, the electrode body is installed in fixed cover, the lower extreme cover of fixed cover has the cooling jacket, form the cooling water circulation chamber between cooling jacket and the fixed cover, cooling jacket upper portion both sides still are equipped with cooling water injection port and the cooling water discharge port that communicate with the cooling water circulation chamber, the inside first trompil that is used for placing the solder silk that is equipped with of lower extreme of electrode body, the inside second trompil that communicates with first trompil that still is equipped with of lower extreme of electrode body, be equipped with the hafnium silk in the second trompil, the mounting is including the sealing disc and be connected in the external screw thread section of thick bamboo at sealing disc upper end middle part, external screw thread section of thick bamboo spiro union is in the second trompil, and the lower extreme of hafnium silk inserts in the external screw thread section of thick bamboo, still be equipped with clamping structure in the external screw thread section of thick bamboo, clamping structure is including the last sliding connection in the external screw thread section of thick bamboo and the lower sliding connection dish, be connected with the spring between last sliding connection dish and the lower sliding connection dish.
Preferably, the lower end of the electrode body is conical and is inserted into the conical cavity in the fixing sleeve.
Preferably, the connection relationship between the cooling cover and the lower end of the fixed sleeve is welding, and a sealing ring is arranged at the connection part between the cooling cover and the bottom of the fixed sleeve.
Preferably, the side of the electrode body is also provided with a heat dissipation hole.
Preferably, the bottom of the sealing disc is also in threaded connection with a bolt, and the upper end of the bolt extends into the external thread cylinder and abuts against the lower end of the lower sliding disc.
The invention also provides a brazing method of the plasma electrode hafnium wire brazing equipment, which comprises the following steps:
s1, placing a brazing filler metal wire in a first opening, then placing a hafnium wire in a second opening, screwing the hafnium wire into the second opening through an external thread cylinder in the middle of the upper end of a sealing disc, and inserting the lower end of the hafnium wire into the external thread cylinder to fix the hafnium wire;
s2, an upper sliding connection disc and a lower sliding connection disc in the external thread cylinder are connected with a spring, the upper end of the upper sliding connection disc always abuts against the lower end of the hafnium wire under the action of the elasticity of the spring, and as the bottom of the sealing disc is also in threaded connection with a bolt, the upper end of the bolt stretches into the external thread cylinder and abuts against the lower end of the lower sliding connection disc, the height of the clamping structure in the external thread cylinder can be adjusted through rotating the bolt, so that the clamping of hafnium wires with different lengths can be met;
s3, injecting water into the cooling water circulation cavity through the cooling water injection port, and continuously discharging cooling water through the cooling water discharge port, so that the cooling water continuously flows in the cooling water circulation cavity to cool the electrode body, and the service life of the electrode body is prolonged;
s4, the electron beam welding machine works, electrons escape when a cathode in an internal electron beam generator is heated to a certain temperature, the electrons are accelerated in a high-voltage electric field, an electron beam with extremely high energy density is formed after focusing through an electromagnetic lens, the electron beam bombards an electrode body, most of kinetic energy of the electrons is converted into heat energy, a brazing filler metal wire is melted into liquid brazing filler metal, and the liquid brazing filler metal can fill a gap under the double effects of capillary phenomenon and gravity to finish brazing of the hafnium wire.
Compared with the prior art, the invention has the beneficial effects that: according to the plasma electrode hafnium wire brazing equipment and the brazing method thereof, the hafnium wire is firmly fixed, and the situation that the use strength cannot be achieved due to the fact that the temperature of an electrode body is increased and softened is effectively avoided;
the upper end of the upper sliding tray always supports against the lower end of the hafnium wire under the action of the elasticity of the spring, and the upper end of the bolt extends into the external thread cylinder and supports against the lower end of the lower sliding tray, so that the height of the clamping structure in the external thread cylinder can be adjusted by rotating the bolt, and the clamping of hafnium wires with different lengths can be met;
the cooling water is injected into the cooling water circulation cavity through the cooling water injection port, and is continuously discharged through the cooling water discharge port, so that the cooling water continuously flows in the cooling water circulation cavity to cool the electrode body, the electrode body is prevented from becoming soft due to temperature rise, and the service life of the electrode body is prolonged.
Drawings
FIG. 1 is a schematic diagram of a connecting and disassembling structure of a brazing filler metal wire, a hafnium wire and a fixing member of the present invention;
FIG. 2 is a schematic view of the mounting cross-sectional structure of the electrode body, the fixing sleeve and the cooling cover of the present invention;
FIG. 3 is a schematic view of the structure of the electrode body, the fixing member and the bolt connection of the present invention;
fig. 4 is a schematic view of the internal structure of the fixing member according to the present invention.
In the figure: the electrode comprises an electrode body 1, a fixing sleeve 2, a cooling cover 3, a sealing ring 4, a cooling water injection port 5, a cooling water circulation cavity 6, a cooling water discharge port 7, a bolt 8, a sealing disc 9, a heat dissipation hole 10, a first opening 11, a second opening 12, a brazing filler metal wire 13, a hafnium wire 14, an external thread cylinder 15, a lower sliding disc 16, an upper sliding disc 17 and a spring 18.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides plasma electrode hafnium wire brazing equipment as shown in fig. 1-4, which comprises an electrode body 1 and a fixing piece, wherein the electrode body 1 is arranged in a fixing sleeve 2, the lower end of the fixing sleeve 2 is sleeved with a cooling cover 3, a cooling water circulation cavity 6 is formed between the cooling cover 3 and the fixing sleeve 2, two sides of the upper part of the cooling cover 3 are also provided with a cooling water injection port 5 and a cooling water discharge port 7 which are communicated with the cooling water circulation cavity 6, the lower end of the electrode body 1 is internally provided with a first opening 11 for placing brazing filler metal wires 13, the lower end of the electrode body 1 is internally provided with a second opening 12 communicated with the first opening 11, the second opening 12 is internally provided with hafnium wires 14, the fixing piece comprises a sealing disc 9 and an external thread cylinder 15 connected to the middle part of the upper end of the sealing disc 9, the external thread cylinder 15 is in threaded connection with the second opening 12, the lower end of the hafnium wires 14 is inserted into the external thread cylinder 15, the external thread cylinder 15 is also internally provided with a clamping structure, the clamping structure comprises an upper sliding disc 17 and a lower sliding disc 16 connected with the sliding disc 16, and a sliding disc 16 is connected between the sliding disc 16 and the upper sliding disc 16.
Specifically, the lower end of the electrode body 1 is conical and is inserted into a conical cavity in the fixing sleeve 2.
Specifically, the connection relationship between the cooling cover 3 and the lower end of the fixed sleeve 2 is welding, and a sealing ring 4 is arranged at the connection position between the cooling cover 3 and the bottom of the fixed sleeve 2.
Specifically, the side of the electrode body 1 is further provided with a heat dissipation hole 10.
Specifically, the bottom of the sealing disc 9 is also screwed with a bolt 8, and the upper end of the bolt 8 extends into the external thread cylinder 15 and abuts against the lower end of the lower sliding disc 16.
The invention also provides a brazing method of the plasma electrode hafnium wire brazing equipment, which comprises the following steps:
s1, placing a brazing filler metal wire 13 in a first opening 11, then placing a hafnium wire 14 in a second opening 12, screwing the hafnium wire 14 into the second opening 12 through an external thread cylinder 15 in the middle of the upper end of a sealing disc 9, and inserting the lower end of the hafnium wire 14 into the external thread cylinder 15 to fix the hafnium wire 14;
s2, an upper sliding connection disc 17 and a lower sliding connection disc 16 in the external thread cylinder 15, a spring 18 is connected between the upper sliding connection disc 17 and the lower sliding connection disc 16, the upper end of the upper sliding connection disc 17 always abuts against the lower end of the hafnium wire 14 under the action of the elasticity of the spring 18, as the bottom of the sealing disc 9 is also screwed with a bolt 8, the upper end of the bolt 8 stretches into the external thread cylinder 15 and abuts against the lower end of the lower sliding connection disc 16, and the height of the clamping structure in the external thread cylinder 15 can be adjusted by rotating the bolt 8 so as to meet the clamping of the hafnium wires 14 with different lengths;
s3, injecting water into the cooling water circulation cavity 6 through the cooling water injection port 5, and continuously discharging cooling water through the cooling water discharge port 7, so that the cooling water continuously flows in the cooling water circulation cavity 6 to cool the electrode body 1, and the service life of the electrode body 1 is prolonged;
s4, the electron beam welding machine works, electrons escape when a cathode in an internal electron beam generator is heated to a certain temperature, the electrons are accelerated in a high-voltage electric field, an electron beam with extremely high energy density is formed after focusing through an electromagnetic lens, the electron beam bombards the electrode body 1, and most of kinetic energy of the electrons is converted into heat energy, so that the brazing filler metal wire 13 is melted into liquid brazing filler metal, and the liquid brazing filler metal can fill a gap under the double actions of capillary phenomenon and gravity to finish brazing the hafnium wire 14.
In summary, compared with the prior art, in the invention, since the first opening 11 for placing the solder wire 13 is provided in the lower end of the electrode body 1, the hafnium wire 14 is provided in the second opening 12, the external thread cylinder 15 is screwed in the second opening 12, and the lower end of the hafnium wire 14 is inserted into the external thread cylinder 15, the external thread cylinder 15 is also provided with the clamping structure, so that the fixing of the hafnium wire 14 is firm, and the situation that the use strength cannot be achieved due to the temperature rise and softening of the electrode body 1 is effectively avoided.
An upper sliding connection disc 17 and a lower sliding connection disc 16 in the external thread cylinder 15, a spring 18 is connected between the upper sliding connection disc 17 and the lower sliding connection disc 16, the upper end of the upper sliding connection disc 17 always abuts against the lower end of the hafnium wire 14 under the elastic force of the spring 18, as the bottom of the sealing disc 9 is also in threaded connection with a bolt 8, the upper end of the bolt 8 stretches into the external thread cylinder 15 and abuts against the lower end of the lower sliding connection disc 16, and the height of the clamping structure in the external thread cylinder 15 can be adjusted by rotating the bolt 8 so as to meet the clamping of hafnium wires 14 with different lengths;
the cooling water is injected into the cooling water circulation cavity 6 through the cooling water injection port 5, and the cooling water is continuously discharged through the cooling water discharge port 7, so that the cooling water continuously flows in the cooling water circulation cavity 6 to cool the electrode body 1, and the service life of the electrode body 1 is prolonged.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. Plasma electrode hafnium silk equipment of brazing, including electrode body (1) and mounting, its characterized in that: the electrode body (1) is arranged in the fixed sleeve (2), the lower end of the fixed sleeve (2) is sleeved with the cooling cover (3), the connection relation between the cooling cover (3) and the lower end of the fixed sleeve (2) is welding, a sealing ring (4) is arranged at the connection part of the bottom of the cooling cover (3) and the bottom of the fixed sleeve (2), a cooling water circulation cavity (6) is formed between the cooling cover (3) and the fixed sleeve (2), a cooling water injection port (5) and a cooling water discharge port (7) which are communicated with the cooling water circulation cavity (6) are further arranged on two sides of the upper part of the cooling cover (3), a first opening (11) for placing brazing filler metal wires (13) are arranged in the lower end of the electrode body (1), a second opening (12) communicated with the first opening (11) is further arranged in the lower end of the electrode body (1), a hafnium wire (14) is arranged in the second opening (12), the fixing piece comprises a sealing disc (9) and an external thread cylinder (15) connected to the middle part of the upper end of the sealing disc (9), the external thread cylinder (15) is inserted into the external thread cylinder (15), and the external thread cylinder (15) is further inserted into the external thread structure, the clamping structure comprises an upper sliding connection disc (17) and a lower sliding connection disc (16) which are connected in the external thread cylinder (15) in a sliding mode, a spring (18) is connected between the upper sliding connection disc (17) and the lower sliding connection disc (16), a bolt (8) is further connected to the bottom of the sealing disc (9) in a screwed mode, and the upper end of the bolt (8) stretches into the external thread cylinder (15) and props against the lower end of the lower sliding connection disc (16).
2. A plasma electrode hafnium wire brazing apparatus according to claim 1, wherein: the lower end of the electrode body (1) is conical and is inserted into a conical cavity in the fixing sleeve (2).
3. A plasma electrode hafnium wire brazing apparatus according to claim 1, wherein: the side of the electrode body (1) is also provided with a heat dissipation hole (10).
4. A method of brazing a plasma electrode hafnium wire brazing apparatus according to claim 1, wherein: the method specifically comprises the following steps:
s1, placing a brazing filler metal wire (13) in a first opening (11), then placing a hafnium wire (14) in a second opening (12), screwing the brazing filler metal wire into the second opening (12) through an external thread cylinder (15) in the middle of the upper end of a sealing disc (9), and inserting the lower end of the hafnium wire (14) into the external thread cylinder (15) to fix the hafnium wire (14);
s2, an upper sliding connection disc (17) and a lower sliding connection disc (16) in the external thread cylinder (15), a spring (18) is connected between the upper sliding connection disc (17) and the lower sliding connection disc (16), the upper end of the upper sliding connection disc (17) always abuts against the lower end of the hafnium wire (14) under the elastic action of the spring (18), and as the bottom of the sealing disc (9) is further connected with a bolt (8) in a threaded manner, the upper end of the bolt (8) stretches into the external thread cylinder (15) and abuts against the lower end of the lower sliding connection disc (16), and the height of the clamping structure in the external thread cylinder (15) can be adjusted through rotating the bolt (8) so as to meet the clamping of the hafnium wires (14) with different lengths;
s3, injecting water into the cooling water circulation cavity (6) through the cooling water injection port (5), and continuously discharging cooling water through the cooling water discharge port (7), so that the cooling water continuously flows in the cooling water circulation cavity (6) to cool the electrode body (1), and the service life of the electrode body (1) is prolonged;
s4, the electron beam welding machine works, electrons escape when a cathode in an internal electron beam generator is heated to a certain temperature, the electrons are accelerated in a high-voltage electric field, an electron beam with extremely high energy density is formed after focusing through an electromagnetic lens, the electron beam bombards an electrode body (1), and most of kinetic energy of the electrons is converted into heat energy, so that a brazing filler metal wire (13) is melted into liquid brazing filler metal, the liquid brazing filler metal can fill a gap under the double functions of capillary phenomenon and gravity, and brazing of a hafnium wire (14) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531720.3A CN110280865B (en) | 2019-06-19 | 2019-06-19 | Plasma electrode hafnium wire brazing equipment and brazing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531720.3A CN110280865B (en) | 2019-06-19 | 2019-06-19 | Plasma electrode hafnium wire brazing equipment and brazing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110280865A CN110280865A (en) | 2019-09-27 |
| CN110280865B true CN110280865B (en) | 2023-07-25 |
Family
ID=68004193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531720.3A Active CN110280865B (en) | 2019-06-19 | 2019-06-19 | Plasma electrode hafnium wire brazing equipment and brazing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280865B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61283453A (en) * | 1985-06-10 | 1986-12-13 | Mitsubishi Metal Corp | Inspection method for joining part of plate like joining member |
| JPH0323095A (en) * | 1989-06-20 | 1991-01-31 | World Kogyo Kk | Method and device for brazing |
| JPH08207138A (en) * | 1995-02-06 | 1996-08-13 | Nichirin:Kk | Method of welding piping cylinder |
| CN2552627Y (en) * | 2002-07-13 | 2003-05-28 | 华中科技大学 | Welding fixture for laser welding diamond engineering drilling bit |
| JP2011014295A (en) * | 2009-06-30 | 2011-01-20 | Chubu Electric Power Co Inc | Manufacturing method for plasma electrode, and plasma electrode |
| CN102000895A (en) * | 2010-09-29 | 2011-04-06 | 北京科技大学 | Vacuum electron beam brazed joint method of tungsten/low activation steel |
| CN102423823A (en) * | 2011-10-09 | 2012-04-25 | 上海工程技术大学 | Vacuum brazing process of plasma cutting electrode |
| CN204603523U (en) * | 2015-03-31 | 2015-09-02 | 常州特尔玛枪嘴有限公司 | Plasma electrode soldering fixture |
| CN105252160A (en) * | 2015-11-06 | 2016-01-20 | 常州特尔玛枪嘴有限公司 | Plasma electrode and manufacturing method thereof |
| CN205888434U (en) * | 2016-07-18 | 2017-01-18 | 中国兵器工业第五二研究所 | Utensil is assisted in diamond bit welding |
-
2019
- 2019-06-19 CN CN201910531720.3A patent/CN110280865B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61283453A (en) * | 1985-06-10 | 1986-12-13 | Mitsubishi Metal Corp | Inspection method for joining part of plate like joining member |
| JPH0323095A (en) * | 1989-06-20 | 1991-01-31 | World Kogyo Kk | Method and device for brazing |
| JPH08207138A (en) * | 1995-02-06 | 1996-08-13 | Nichirin:Kk | Method of welding piping cylinder |
| CN2552627Y (en) * | 2002-07-13 | 2003-05-28 | 华中科技大学 | Welding fixture for laser welding diamond engineering drilling bit |
| JP2011014295A (en) * | 2009-06-30 | 2011-01-20 | Chubu Electric Power Co Inc | Manufacturing method for plasma electrode, and plasma electrode |
| CN102000895A (en) * | 2010-09-29 | 2011-04-06 | 北京科技大学 | Vacuum electron beam brazed joint method of tungsten/low activation steel |
| CN102423823A (en) * | 2011-10-09 | 2012-04-25 | 上海工程技术大学 | Vacuum brazing process of plasma cutting electrode |
| CN204603523U (en) * | 2015-03-31 | 2015-09-02 | 常州特尔玛枪嘴有限公司 | Plasma electrode soldering fixture |
| CN105252160A (en) * | 2015-11-06 | 2016-01-20 | 常州特尔玛枪嘴有限公司 | Plasma electrode and manufacturing method thereof |
| CN205888434U (en) * | 2016-07-18 | 2017-01-18 | 中国兵器工业第五二研究所 | Utensil is assisted in diamond bit welding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110280865A (en) | 2019-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11045999B2 (en) | Throat structures for 3D printers, and nozzle apparatus and 3D printers having throat structures | |
| CN110280865B (en) | Plasma electrode hafnium wire brazing equipment and brazing method thereof | |
| CN204314472U (en) | High energy high-current accelerator Faraday cylinder | |
| CN104722902A (en) | Novel brazing type plasma electrode and manufacturing method thereof | |
| CN105744714A (en) | Long-lifetime neutron tube with ceramic-head ion source | |
| CN212420020U (en) | Deep-melting argon arc welding gun | |
| CN106735786B (en) | Integration lockhole effect TIG deep penetration welding welder | |
| CN210926389U (en) | Connecting assembly convenient for assembling power module and circuit board | |
| CN103878456B (en) | A kind of harmless electrode for spark machined | |
| CN202917185U (en) | Vacuum sealing device of quartz barrel and accelerator connection flange | |
| CN109830588A (en) | A kind of lead frame of LED support, LED support manufacturing process and LED support | |
| CN210306208U (en) | Special askew head electrode for resistance welding | |
| CN212823239U (en) | Workpiece clamp base for machining of numerical control machine tool | |
| CN209168951U (en) | Novel patch formula alminium electrolytic condenser | |
| KR20130047677A (en) | Heat conducting component and manufacturing method for same, refrigeration system and magnetic resonance imaging equipment | |
| CN201638848U (en) | LED illumination unit with high efficiency and heat dissipation | |
| CN211266627U (en) | Hollow cup motor shell component | |
| CN110002406A (en) | Ozone generator | |
| CN209272727U (en) | Mash welder electrode assembly | |
| CN218867623U (en) | Laser with adjustable facula | |
| CN219639226U (en) | Spot welding sealing nut | |
| CN209249301U (en) | A kind of sealing and anti-leakage structure of electrolytic capacitor | |
| CN210183620U (en) | Cooling structure of resonant cavity | |
| CN109550923A (en) | Half gas chamber argon arc founding copper stranded conductor electrode tip molding machine of one kind and method | |
| CN208917272U (en) | A kind of Copper steel cladding type water-cooled electrode in electroslag furnace collet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |