CN106935276A - A kind of deflection magnet centering adjustment structure - Google Patents
A kind of deflection magnet centering adjustment structure Download PDFInfo
- Publication number
- CN106935276A CN106935276A CN201511018361.XA CN201511018361A CN106935276A CN 106935276 A CN106935276 A CN 106935276A CN 201511018361 A CN201511018361 A CN 201511018361A CN 106935276 A CN106935276 A CN 106935276A
- Authority
- CN
- China
- Prior art keywords
- flange
- magnet
- suspension rod
- deflection magnet
- vacuum
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21B—FUSION REACTORS
- G21B1/00—Thermonuclear fusion reactors
- G21B1/11—Details
- G21B1/15—Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Particle Accelerators (AREA)
Abstract
The invention belongs to magnetic trapped fusion apparatus technical field, and in particular to a kind of deflection magnet centering adjustment structure.Including following part：(1) support frame with lifting guide function and regulatory function, on injector vacuum chamber inner bottom plating；(2) vertical loading board with interstitial structure, deflection magnet is close to by vertical loading board middle hanger top in hoisting process with hoisting flange；Deflection magnet passes through the gap between hoisting flange and vertical loading board under placing completion status on support frame, coordinate cooling water pipe, telescopic bellows on magnetic excitation wires vacuum tube so that vacuum sealing flange and injector vacuum chamber at the top of deflection magnet realize high vacuum seal between installing window；(3) magnet vacuum sealing flange is set at the top of deflection magnet；Bellows is set on vacuum insulation excitation wire conduit and cooling water water pipe respectively, and the stroke of bellows sets according to suspension rod gap.
Description
Technical field
The invention belongs to magnetic trapped fusion apparatus technical field, and in particular to a kind of deflection magnet centering regulation knot
Structure.
Background technology
Neutral beam injection (NBI) is used to heat magnetically confined plasma, is to improve ion temperature or electron temperature
One of most effectual way, while NBI is also used for driving plasma current and controlling plasma properties.
It is the core system of neutral beam heating system including the neutral-beam injector including ion gun, mainly includes：From
Component, injector vacuum chamber is placed in the neutralizing cell of internal vacuum chamber, ion phagocytic organ, deflection magnet,
Shu Bianyuan scrapers, calorimetric target, high pumping rate vavuum pump etc..The main plasma that completes is produced, and ion beam draws
Go out and accelerate, ion beam neutralisation, residual ion beam steering, neutral beam geometry is converged, neutral beam injection etc.
Physical process.Injector will also be high with beam performance diagnogtics, beam power measurement, piece safety monitoring simultaneously
The functions such as pumping speed vacuum operation.Deflection magnet for deflecting non-neutralisation ion beam be neutral-beam injector not
One of core component that can lack, its function be deflect about 40% or so non-neutralisation ion so that these
Ion enters ion phagocytic organ.HL-2M device NB injectors equip 4 sets of ion guns, correspondence deflection magnet
Using 8 cake coils, above 4 cakes, below 4 cakes, per the circle of cake coil 39, iron core uses DT4 ingot irons,
Both sides use the magnetic shield panel of 40mm, to reduce the magnetic interference to miscellaneous equipment.The iron yoke of single coil
It is highly 1050mm, width is 100mm, and depth is 330mm, front and rear, left and right, Double layer iron radome
Thickness is 40mm.Deflection magnet with respect to other parts in injector vacuum chamber, note by nearly 10 tons of weight
Entering must place magnet support structure in device vacuum chamber, it is considered to injector vacuum chamber vacuum shape change, device fabrication
, it is necessary to supporting construction has the height regulation of ± 10 millimeters of scopes, horizontal direction is about for error, alignment error etc.
The adjustable range of ± 5mm, and ensure that magnet installs window and realizes high vacuum seal with injector magnet.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of deflection magnet centering adjustment structure, so as to be HL-2M
One kind of the 5MW-NBI heating bunch core component-deflected ion beam magnet design of tokamak device is directed to
Property very strong lifting, support, to neutralizing vacuum seal structure.
In order to realize this purpose, the present invention is adopted the technical scheme that：
A kind of deflection magnet centering adjustment structure, it is adaptable to the 1st article of 5MW-NBI of HL-2M tokamak devices
The large-scale deflection magnet of bunch is heated, by deflection magnet centering adjustment structure deflection system setting ratio not
Neutralisation ion so that these ions enter ion phagocytic organ；Including following part：
(1) support frame with lifting guide function and regulatory function, installed in injector vacuum chamber inner bottom plating
On, including following part：
(1.1) according to window and deflection magnet theoretical position is installed, 6 are welded on injector vacuum chamber inner bottom plating
Block support frame keeper, the water of deflection magnet is adjusted by the adjusting screw rod set on 6 pieces of support frame keepers
Prosposition is put, and maximal regulated scope is 10mm；
(1.2) 6 support bars by threaded adjusting height are set on support frame, adjust inclined by support bar
Turn the upright position of magnet, maximal regulated scope is 20mm；Every 2 tons of the supported weight ＞ of support bar；
(1.3) 10 wedge gib blocks are set on support frame, for the guiding in deflection magnet hoisting process
With it is spacing, it is to avoid swing the deviation support base that causes；Every 10 tons of the anti-horizontal shear force ＞ of wedge gib block；
(2) vertical loading board with interstitial structure, deflection magnet passes through vertical loading board middle hanger top in hoisting process
It is close to on hoisting flange at end；Deflection magnet passes through hoisting flange and hangs under placing completion status on support frame
Gap between dress bar, coordinates cooling water pipe, the telescopic bellows on magnetic excitation wires vacuum tube so that partially
Turn to realize high vacuum seal between the vacuum sealing flange at the top of magnet and injector vacuum chamber installation window；Tool
Body includes：
(2.1) vertical loading board includes the suspension ring of upper end and the suspension rod of lower end, and the suspension ring of upper end are welded by suspension ring flange
It is connected on the upper surface of deflection magnet flange；
(2.2) suspension rod includes top and straight section, and straight section is cylindrical-shaped structure, and the bottom of straight section is welded on deflection
On magnet；The top of suspension rod includes the cylindrical-shaped structure on top and the inversed taper platform structure of bottom, inversed taper platform structure
Upper bottom surface diameter it is identical with the diameter of the cylindrical-shaped structure on top, bottom surface diameter is identical with the diameter of straight section；
The top of suspension rod is connected on the lower surface of deflection magnet flange by suspension rod flange；
The inner chamber of suspension rod flange includes the cylindrical cavity on top and the back taper mesa-shaped cavity of bottom, cylindric chamber
The internal diameter of body and the upper bottom surface diameter of suspension rod top inversed taper platform structure are engaged；The upper bottom surface of back taper mesa-shaped cavity
Diameter is engaged with the diameter of the cylindrical cavity on top, and the bottom surface diameter of back taper mesa-shaped cavity is straight with suspension rod
The diametric fit of section, the conical surface of back taper mesa-shaped cavity is in hoisting process as the lifting stress conical surface；
Height+suspension rod the gap of the height of cylindrical cavity=suspension rod nose-circle column structure；In suspension rod flange
Cylindrical cavity side wall opens up the vacuum bleeder port of a diameter of 5~6mm, vacuum bleeder port and cylindrical cavity
Height of the distance between the bottom more than suspension rod nose-circle column structure；
(3) magnet vacuum sealing flange, including cooling water water pipe window flange are set at the top of deflection magnet,
Thermocouple Windows flange, vacuum insulation excitation wire conduit window technique is blue, beam diagnostic window flange；
The through hole coordinated with magnet vacuum sealing flange is set, between the diameter of through hole leaves the regulation of default
Gap；
Bellows, the stroke of bellows are set on vacuum insulation excitation wire conduit and cooling water water pipe respectively
Set according to suspension rod gap.
Further, a kind of deflection magnet centering adjustment structure as described above, suspension rod gap=bellows is stretched
Contracting amount=20mm.
The beneficial effect of technical solution of the present invention is：
NB injectors deflection magnet pushes away NBI and heats as magnetic confinement fusion experimental provision and following fusion engineering
The essential part in system injector inside, the ion beam for deflecting non-neutralisation so that neutral beam energy
It is enough to be smoothly injected into magnetic confinement fusion plasma, heat and drive plasma.
The note of bunch is heated by the 1st article of 5MW-NBI that the deflection magnet of development is located in HL-2M devices
Enter in device vacuum chamber, have passed through vacuum leak hunting and 30kg hydraulic pressure tests, test result meets design requirement.
HL-2M devices will develop 3 5MW-NBI heating bunch, deflection magnet support, centering regulation and vacuum
Sealing structure is used directly for two NBI heating bunch below, for magnetic confinement fusion experimental study is provided
Condition.
Brief description of the drawings
Fig. 1 is that deflection magnet centering adjustment structure coordinates figure with deflection magnet；
Fig. 2 is magnet support frame structural front view；
Fig. 3 is magnet support frame structure top view；
Fig. 4 is magnet vertical loading board and peripheral device structural representation.
In figure：11-support frame keeper, 12-support bar, 13-wedge gib block, 4-deflection magnet,
5-vacuum insulation excitation wire conduit, 6-cooling water water pipe, 7-suspension rod, 8-suspension rod flange, 9-bellows,
10-vacuum bleeder port.
Specific embodiment
Technical solution of the present invention is further elaborated below by the drawings and specific embodiments.
As shown in figure 1, a kind of deflection magnet centering adjustment structure of the invention, it is adaptable to HL-2M tokamak
The 1st article of 5MW-NBI of device heats the large-scale deflection magnet of bunch, inclined by deflection magnet centering adjustment structure
Transfer from one department to another the non-neutralisation ion of system setting ratio so that these ions enter ion phagocytic organ.Due to magnet weight
Amount about 10 tons, it is highly nearly 4 meters, magnet in injector vacuum chamber in, install and support need basis
The whole geometry layout of injector, steric requirements designs a kind of special structure, and the centering for magnet is adjusted
Section, support and vacuum sealing, including following part：
(1) with lifting guide function and the support frame of regulatory function as shown in Figures 2 and 3, it is arranged on
On injector vacuum chamber inner bottom plating, including following part：
(1.1) according to window and deflection magnet theoretical position is installed, 6 are welded on injector vacuum chamber inner bottom plating
Block support frame keeper, the water of deflection magnet is adjusted by the adjusting screw rod set on 6 pieces of support frame keepers
Prosposition is put, and maximal regulated scope is 10mm；
(1.2) 6 support bars by threaded adjusting height are set on support frame, adjust inclined by support bar
Turn the upright position of magnet, maximal regulated scope is 20mm；Every 2 tons of the supported weight ＞ of support bar；
(1.3) 10 wedge gib blocks are set on support frame, for the guiding in deflection magnet hoisting process
With it is spacing, it is to avoid swing the deviation support base that causes；Every 10 tons of the anti-horizontal shear force ＞ of wedge gib block；
(2) with the vertical loading board of interstitial structure as shown in Figure 4, deflection magnet is in hoisting process by hanging
It is close to on hoisting flange on dress bar middle hanger top；Deflection magnet passes through under placing completion status on support frame
Gap between hoisting flange and vertical loading board, coordinates cooling water pipe, the scalable ripple on magnetic excitation wires vacuum tube
Line pipe so that vacuum sealing flange and injector vacuum chamber at the top of deflection magnet realize height between installing window
Vacuum sealing；Specifically include：
(2.1) vertical loading board includes the suspension ring of upper end and the suspension rod of lower end, and the suspension ring of upper end are welded by suspension ring flange
It is connected on the upper surface of deflection magnet flange；
(2.2) suspension rod includes top and straight section, and straight section is cylindrical-shaped structure, and the bottom of straight section is welded on deflection
On magnet；The top of suspension rod includes the cylindrical-shaped structure on top and the inversed taper platform structure of bottom, inversed taper platform structure
Upper bottom surface diameter it is identical with the diameter of the cylindrical-shaped structure on top, bottom surface diameter is identical with the diameter of straight section；
The top of suspension rod is connected on the lower surface of deflection magnet flange by suspension rod flange；
The inner chamber of suspension rod flange includes the cylindrical cavity on top and the back taper mesa-shaped cavity of bottom, cylindric chamber
The internal diameter of body and the upper bottom surface diameter of suspension rod top inversed taper platform structure are engaged；The upper bottom surface of back taper mesa-shaped cavity
Diameter is engaged with the diameter of the cylindrical cavity on top, and the bottom surface diameter of back taper mesa-shaped cavity is straight with suspension rod
The diametric fit of section, the conical surface of back taper mesa-shaped cavity is in hoisting process as the lifting stress conical surface；
Height+suspension rod the gap of the height of cylindrical cavity=suspension rod nose-circle column structure；In suspension rod flange
Cylindrical cavity side wall opens up the vacuum bleeder port of a diameter of 5~6mm, vacuum bleeder port and cylindrical cavity
Height of the distance between the bottom more than suspension rod nose-circle column structure；
(3) magnet vacuum sealing flange, including cooling water water pipe window flange are set at the top of deflection magnet,
Thermocouple Windows flange, vacuum insulation excitation wire conduit window technique is blue, beam diagnostic window flange；
The through hole coordinated with magnet vacuum sealing flange is set, between the diameter of through hole leaves the regulation of default
Gap；
Bellows, the stroke of bellows are set on vacuum insulation excitation wire conduit and cooling water water pipe respectively
Set according to suspension rod gap.
In the present embodiment, the stroke=20mm of suspension rod gap=bellows.
To ensure the accurate installation of magnet, the support frame with lifting guide function and regulatory function is adjusted first
Enter vacuum chamber, position Primary Location first is calculated according to geometry, then begin to lift deflection magnet main body.Partially
Turn magnet lifting directly using the suspension ring on vertical loading board, deflection magnet calls in injector vacuum chamber top magnet window
After mouthful, wedge gib block is entered in distance support bottom 250mm, continued in the presence of wedge gib block
Decline, finally drop on support bar.
Deflection magnet initially enters three direction displacement fine setting stages after dropping to support bar.Complete magnet level
Behind direction and vertical direction regulation, the seal operation of vacuum sealing flange is proceeded by, because magnet vacuum is close
The through hole that envelope flange coordinates leaves regulation gap, and boom end devises the gap of 20mm, respectively vacuum every
It is the bellows of 20mm that stroke is set on excitation wire conduit and cooling water water pipe, to meet high vacuum seal
It is required that.
Claims (2)
1. a kind of deflection magnet centering adjustment structure, it is adaptable to the 1st article of HL-2M tokamak devices
5MW-NBI heats the large-scale deflection magnet of bunch, is set by deflection magnet centering adjustment structure deflection system
The non-neutralisation ion of ratio so that these ions enter ion phagocytic organ；It is characterized in that：Including following
Part：
(1) support frame with lifting guide function and regulatory function, installed in injector vacuum chamber inner bottom plating
On, including following part：
(1.1) according to window and deflection magnet theoretical position is installed, 6 are welded on injector vacuum chamber inner bottom plating
Block support frame keeper, the water of deflection magnet is adjusted by the adjusting screw rod set on 6 pieces of support frame keepers
Prosposition is put, and maximal regulated scope is 10mm；
(1.2) 6 support bars by threaded adjusting height are set on support frame, adjust inclined by support bar
Turn the upright position of magnet, maximal regulated scope is 20mm；Every 2 tons of the supported weight ＞ of support bar；
(1.3) 10 wedge gib blocks are set on support frame, for the guiding in deflection magnet hoisting process
With it is spacing, it is to avoid swing the deviation support base that causes；Every 10 tons of the anti-horizontal shear force ＞ of wedge gib block；
(2) vertical loading board with interstitial structure, deflection magnet passes through vertical loading board middle hanger top in hoisting process
It is close to on hoisting flange at end；Deflection magnet passes through hoisting flange and hangs under placing completion status on support frame
Gap between dress bar, coordinates cooling water pipe, the telescopic bellows on magnetic excitation wires vacuum tube so that partially
Turn to realize high vacuum seal between the vacuum sealing flange at the top of magnet and injector vacuum chamber installation window；Tool
Body includes：
(2.1) vertical loading board includes the suspension ring of upper end and the suspension rod of lower end, and the suspension ring of upper end are welded by suspension ring flange
It is connected on the upper surface of deflection magnet flange；
(2.2) suspension rod includes top and straight section, and straight section is cylindrical-shaped structure, and the bottom of straight section is welded on deflection
On magnet；The top of suspension rod includes the cylindrical-shaped structure on top and the inversed taper platform structure of bottom, inversed taper platform structure
Upper bottom surface diameter it is identical with the diameter of the cylindrical-shaped structure on top, bottom surface diameter is identical with the diameter of straight section；
The top of suspension rod is connected on the lower surface of deflection magnet flange by suspension rod flange；
The inner chamber of suspension rod flange includes the cylindrical cavity on top and the back taper mesa-shaped cavity of bottom, cylindric chamber
The internal diameter of body and the upper bottom surface diameter of suspension rod top inversed taper platform structure are engaged；The upper bottom surface of back taper mesa-shaped cavity
Diameter is engaged with the diameter of the cylindrical cavity on top, and the bottom surface diameter of back taper mesa-shaped cavity is straight with suspension rod
The diametric fit of section, the conical surface of back taper mesa-shaped cavity is in hoisting process as the lifting stress conical surface；
Height+suspension rod the gap of the height of cylindrical cavity=suspension rod nose-circle column structure；In suspension rod flange
Cylindrical cavity side wall opens up the vacuum bleeder port of a diameter of 5~6mm, vacuum bleeder port and cylindrical cavity
Height of the distance between the bottom more than suspension rod nose-circle column structure；
(3) magnet vacuum sealing flange, including cooling water water pipe window flange are set at the top of deflection magnet,
Thermocouple Windows flange, vacuum insulation excitation wire conduit window technique is blue, beam diagnostic window flange；
The through hole coordinated with magnet vacuum sealing flange is set, between the diameter of through hole leaves the regulation of default
Gap；
Bellows, the stroke of bellows are set on vacuum insulation excitation wire conduit and cooling water water pipe respectively
Set according to suspension rod gap.
2. a kind of deflection magnet centering adjustment structure as claimed in claim 1, it is characterised in that：Suspension rod gap
Stroke=the 20mm of=bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018361.XA CN106935276B (en) | 2015-12-29 | 2015-12-29 | A kind of deflection magnet centering adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018361.XA CN106935276B (en) | 2015-12-29 | 2015-12-29 | A kind of deflection magnet centering adjustment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106935276A true CN106935276A (en) | 2017-07-07 |
| CN106935276B CN106935276B (en) | 2019-05-17 |
Family
ID=59441395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511018361.XA Active CN106935276B (en) | 2015-12-29 | 2015-12-29 | A kind of deflection magnet centering adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106935276B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853767A (en) * | 2019-11-04 | 2020-02-28 | 中国科学院合肥物质科学研究院 | Mechanism and method for pre-assembling host sectors of nuclear fusion device |
| CN112927820A (en) * | 2019-12-05 | 2021-06-08 | 核工业西南物理研究院 | NNBI positive and negative ion beam partially reaches ion and phagocytoses integral structure |
| CN113866520A (en) * | 2021-09-07 | 2021-12-31 | 哈尔滨工业大学 | Independent supporting structure for vacuum microwave dark room framework |
| CN113936814A (en) * | 2020-06-29 | 2022-01-14 | 核工业西南物理研究院 | Movable vacuum boundary sealing structure for magnetic confinement nuclear fusion device hole fence |
-
2015
- 2015-12-29 CN CN201511018361.XA patent/CN106935276B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853767A (en) * | 2019-11-04 | 2020-02-28 | 中国科学院合肥物质科学研究院 | Mechanism and method for pre-assembling host sectors of nuclear fusion device |
| CN110853767B (en) * | 2019-11-04 | 2023-03-07 | 中国科学院合肥物质科学研究院 | Mechanism and method for pre-assembling host sectors of nuclear fusion device |
| CN112927820A (en) * | 2019-12-05 | 2021-06-08 | 核工业西南物理研究院 | NNBI positive and negative ion beam partially reaches ion and phagocytoses integral structure |
| CN113936814A (en) * | 2020-06-29 | 2022-01-14 | 核工业西南物理研究院 | Movable vacuum boundary sealing structure for magnetic confinement nuclear fusion device hole fence |
| CN113866520A (en) * | 2021-09-07 | 2021-12-31 | 哈尔滨工业大学 | Independent supporting structure for vacuum microwave dark room framework |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106935276B (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106935276A (en) | A kind of deflection magnet centering adjustment structure | |
| CN105269233A (en) | Straight slit steel pipe seaming machine | |
| CN106112320A (en) | A kind of removable Plate Welding mechanism | |
| CN103711986B (en) | The pushing tow system of factory law tube coupling prefabricated construction and pushing method | |
| CN105671331A (en) | Coaxial conductive electroslag furnace for large slabs | |
| CN205541965U (en) | Deflection magnet centering control structure | |
| CN205313648U (en) | Novel vacuum electron beam melting furnace | |
| CN106891009A (en) | A kind of multidirectional discharge sintering extruder | |
| CN101653798B (en) | System for processing curved face of plate material | |
| CN105755293B (en) | A kind of vertical feeding system of vacuum electron beam melting furnace | |
| CN104864723B (en) | A kind of high temperature discharging machine being applicable on chassis | |
| CN108941509B (en) | Multi-position parallel pressurized casting negative pressure and inert gas replacement system and method | |
| CN206438484U (en) | A kind of Efficient intelligent adjustable arc gate support meanss | |
| CN206290513U (en) | A kind of hydraulic synchronization control device of fan-shaped section more changing device | |
| CN201704203U (en) | Traction mechanism of large-diameter glass tube manufacturing equipment | |
| CN208232179U (en) | Vacuum hotpressing machine, intelligent fire-proofing plate vacuum hotpressing complete set of equipments | |
| CN205290106U (en) | Semi -automatic preheating device | |
| CN203498417U (en) | Stepping furnace production line for tempering fork of forklift | |
| CN207619452U (en) | Ladle dregs breaking device and refining furnace | |
| CN206232772U (en) | A kind of RH method vacuum tanks with lift gas pipeline | |
| CN207713837U (en) | A kind of carbon cathode blocks preheating device | |
| CN208322032U (en) | Metal die-casting equipment | |
| CN203758127U (en) | Water cooling device for extruding machine | |
| CN105269801A (en) | Full-automatic power pipe bending machine | |
| CN109513918A (en) | A kind of additive auxiliary device based on increasing material manufacturing metal-base composites |
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 |