CN106514142A - Manufacturing method for simulation test bed altitude chamber - Google Patents
Manufacturing method for simulation test bed altitude chamber Download PDFInfo
- Publication number
- CN106514142A CN106514142A CN201610975765.6A CN201610975765A CN106514142A CN 106514142 A CN106514142 A CN 106514142A CN 201610975765 A CN201610975765 A CN 201610975765A CN 106514142 A CN106514142 A CN 106514142A
- Authority
- CN
- China
- Prior art keywords
- welding
- nacelle
- doorframe
- test platform
- platform
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000004088 simulation Methods 0.000 title abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000002161 passivation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 4
- 238000005554 pickling Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 229910001651 emery Inorganic materials 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 claims 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241000538562 Banjos Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
Abstract
The invention relates to a manufacturing method for a simulation test bed altitude chamber. The method comprises the following steps of assembly installing of a chamber body and a rear sealing head, strengthening ring assembly, assembling and welding of a door frame, test platform fixing, pre-installing adjusting of a hinge assembly, trepanning, welding of a door frame assembly and the chamber body and test platform chamber entry. According to the manufacturing method, accurate trepanning is achieved, and accurate assembling with the door frame is achieved. It is guaranteed that the test platform meets the requirement for the depth of parallelism. The method can be popularized to manufacturing of similar products.
Description
Technical field
The present invention relates to a kind of manufacture method of simulator stand stratochamber, is mainly used in high-vacuum simulation test and uses.
Background technology
Engine running test platform-Gao Mo testing stand stratochambers are mainly used in high-vacuum simulation experiment, as experimental cabin is whole
The main part of individual pilot system, experimental cabin manufacture have after finishing in cabin and heat the subtests such as accessory, system electric control, instrument
Equipment.The technical requirements that strict implement design is proposed are the premises that a whole set of experimental cabin normally runs.
But at present, there is technical barrier in the manufacture of high mould testing stand stratochamber in the following areas：1st, nacelle diameter
2000mm, hatch door doorframe are up to 1100mm, and doorframe is rectangle, how accurately perforate, then carry out accurate dress with doorframe
Be this area thirst for always solve technical barrier.2nd, the depth of parallelism of test platform, technical requirements particularly point out test platform
The depth of parallelism require to be accurate to 0.1mm, could guarantee test result accuracy, how test platform after mounting reach flat
The requirement of row degree, the difficult point in high mould experimental cabin manufacture process.
The content of the invention
The present invention is directed to the above, there is provided a kind of preparation method of high simulator stand stratochamber, solves existing
There are technological difficulties in technology high and medium cabin precision assembly and the depth of parallelism.
Technical scheme comprises the steps：
Step 1, nacelle, the group of rear head are to installing：When main element is welded, front head is installed in all of part
After carry out welding；
Step 2, assembling reinforcing ring：The reinforcing ring of centre two of 4 groups of reinforcing rings of experimental cabin prescinds a part, riser and interior
Ring, outer shroud adopt point method of lobe group pair with reach reinforcing ring and nacelle be brought into close contact and uniform force purpose；
Step 3, doorframe group to welding：Doorframe each several part is the corrosion resistant plate using δ 50mm, composing frame each
Component is all using interior cut form, it is ensured that the perpendicularity of each several part, doorframe group to when need will be preprepared
On working plate is all fixed, in order to prevent being deformed during welding, after working plate has all been fixed, also need in door in welding
Inframe draws horizontal bar plate and perpendicular gusset；
Step 4, test platform：The frock fixation test platform used in welding process；To the work platformses after manufacture completion
By the requirement of pattern and technical papers, to gainer passed examination after, can just carry out pickling, passivation pretreatment；By weld seam and
Its both sides welding slag, splash are cleaned out, and the surface gasoline of workbench or abluent remove oil stain dirt；Remove weld seam both sides
During foreign body, remove using rustless steel wire brush, stainless steel shovel or emery wheel, removing is finished is washed away totally with water purification；
The pre-installation debugging of step 5, hinge assembly：The hatch door height 1100mm of experimental cabin, is provided with 5 hinge assemblies altogether,
Hinge assembly carries out pre-installation debugging when being welded to before nacelle；
Step 6, perforate：The perforate of hatch door uses plasma perforate, in the nacelle of 2000mm diameters opens 1100 × 900mm
Hatch door, by hatch door and nacelle mutually to pass through picture good, make 1：1 model, according to model rule, plasma cutting when along chi
The inward flange of very little line is cut, and then by doorframe group to doorframe tapping, comparing out the size of phase difference size, reconditioning goes out most
The shape of whole size；
The welding of step 7, frame members and nacelle：Cross muscle anyhow will be pulled in nacelle, and the groove type for adopting is double
Face groove, to ensure complete penetraction and fusion in welding；
Step 8, test platform enter cabin：The depth of parallelism of the test platform on the basis of ground requires 300mm ± 0.1mm, will examination
Test before platform moves into experimental cabin, regulating block is installed on the transverse slat of test platform, micro Adjustment Tests can be realized
The depth of parallelism of platform.
Advantages of the present invention effect is as follows：
Accurately perforate, realizes carrying out precision assembly with doorframe.Guarantee test platform reaches depth of parallelism requirement.Can also promote
To the manufacture of similar products.
Specific embodiment
Embodiment
The structure of high mould testing stand stratochamber is made up of end socket, nacelle, hinge assembly, hatch door component, test platform etc..
1st, the group of nacelle, rear head is to installing：
The global shape of high mould experimental cabin is cylinder, and its size is φ 2000mm × 4000mm, is provided with examination in stratochamber
Platform is tested, so front head is after all of part is installed to carry out welding when main element is welded, is so filled
The advantage matched somebody with somebody is 1, can more intuitively measure testing stand and the levelness on ground whether meet the technology of testing stand will
Ask；2nd, be convenient to clean mutually passing through between doorframe and cylinder more than part, be that basis is carried out in the installation of other parts.
2nd, assemble reinforcing ring：
Experimental cabin has 4 groups of reinforcing rings, and reinforcing ring is made up of the peace of hatch door for convenience internal ring, outer shroud, this three part of riser
Dress is accomplished by prescinding a part in middle two reinforcing ring internal ring, outer shroud, and this cutting quantity needs strict control in order to avoid affecting
The mass action of reinforcing ring.The riser and internal ring, outer shroud for playing nacelle fixation booster action adopts point method of lobe group pair to reach
The purpose with uniform force is brought into close contact to reinforcing ring and nacelle.
3rd, the group of doorframe to welding：
The structure of doorframe is made up of four and half arcs and four side plates, and size is 1100mm × 1900mm × 50mm, circular arc
Overall dimensions for φ 1000mm × 1100mm cylinder, significant components of the doorframe as nacelle, doorframe each several part is to adopt δ
The corrosion resistant plate of 50mm, in order to reach test requirements document, the welding of doorframe is particularly important.The integrity overall in order to ensure outward appearance,
Each component of composing frame is all using interior cut form, it is ensured that the perpendicularity of each several part, doorframe group to when need
On preprepared working plate is all fixed, in order to prevent being deformed during welding, after working plate has all been fixed, in weldering
Also need to draw horizontal bar plate and perpendicular gusset in doorframe when connecing, welding link problem occurring can all affect the workbench of testpieces,
Problem is brought for follow-up assembling.
4th, test platform：
(1) test platform：Test platform is the workbench for putting testpieces in high mould testing stand stratochamber, on work platformses
There are hundreds of test specimen fixing holes, and the dimensional tolerance of test hole, position of related features and the depth of parallelism to require special accurate, but conduct
Weldment will ensure that the higher depth of parallelism is extremely difficult, and a large amount of frock fixations used in welding process were welded with reducing
Deformation in journey.
(2) acid wash passivation of test platform：
(a) to manufacture completion after work platformses by pattern and technical papers requirement, to gainer passed examination after,
Pickling, passivation pretreatment can just be carried out.
B weld seam and its both sides welding slag, splash are cleaned out by (), the surface of workbench is that machining is crossed so table
Gasoline or abluent is applied to remove the dirts such as oil stain in face.
When () removes weld seam both sides foreign body c, remove using rustless steel wire brush, stainless steel shovel or emery wheel, removing is finished with only
Water (chloride ion content is less than 25mg/l in water) washes away clean.
Preparation before cleaning ensure that the cleanliness factor after cleaning, and the process of another acid wash passivation can't be by workpiece itself
Thickness change, only the surface of workpiece can be cleaned, so the process in pickling firmly will be scrubbed as far as possible.
5th, the pre-installation debugging of hinge assembly：
Hatch door component is the important component of high mould testing stand stratochamber, and the hatch door height 1100mm of experimental cabin, so set altogether
There are 5 hinge assemblies, five hinge assemblies cooperate and flexibly freely open only during door-down switch, could not affect
The effect of experimental cabin, if hatch door flexibly can not be switched, does not play sealing function, directly affects the effect of test in experimental cabin
Really, it is expected for reaching test, hinge assembly carries out pre-installation debugging when being welded to before nacelle.
6th, perforate：
The perforate of hatch door uses plasma perforate, but will open 1100 × 900 hatch door in the nacelle of 2000 diameters, just
It is important to note that the accuracy of the perforate for hatch door, by hatch door and nacelle mutually to pass through picture good, make 1：1 model, presses
Plate line in the same old way, plasma cutting when cut along the inward flange of dimension line, then by doorframe group to doorframe tapping,
The size of phase difference size is compared out, slowly reconditioning goes out the shape of final size.
7th, frame members and nacelle welding：
For preventing frame members and nacelle welding deformation, need in nacelle, to pull on cross muscle anyhow, due to door
Frame component is thick compared with nacelle component a lot, so the groove type for adopting is for double groove, to ensure complete penetraction and fusion in welding.
8th, test platform enters cabin：
The depth of parallelism of the test platform on the basis of ground requires 300mm ± 0.1mm, it is desirable to the depth of parallelism it is very accurate, this
The depth of parallelism of high request is exactly the accuracy for result of the test.But test platform is moved into into experimental cabin, levelling is flat
Row degree can be described as the difficult point of manufacture process, because test platform desktop δ 70mm other adnexaes in addition, manually adjust accurately
The depth of parallelism is impossible, so before test platform is moved into experimental cabin, installing small-sized on the transverse slat of test platform
Regulating block, can realize the depth of parallelism of micro Adjustment Tests platform, it is ensured that the preciseness of technical requirements.
1st, high mould testing stand stratochamber technical parameter：
| Operating pressure | 0.1MPa | Design pressure | 0.15MPa |
| Container nominal diameter | Φ2000mm | Design temperature | 105℃ |
| Container total volume | 15m3 | Empty weight | 15 tons |
| Design life | 15 years | Rupture disk Opening pressure | 0.05MPa |
2nd, material explanation：
Main pressurized element material:Sheet material：06Cr19Ni10/GB24511-2009；
Forging：S30408Ⅱ/NB/T47010-2010.
Main pressurized element sheet material should check plate surface quality and marking on materials one by one, should have steel mill's quality of materials to prove
Book.
3rd, weld:
It is required that banjo fixing butt jointing answers total cross-section to penetrate, the joint between adapter and housing adopts complete penetraction and fusion in welding pattern.
Type of electrode：
E308-15 between low-alloy steel；
Submerged automatic arc welding wire：H08Cr21Ni10, solder flux：SJ601.
4th, welding point Non-Destructive Testing:
A, B class is carried out by NB/T47013.2-2015, detects length 100%, and qualified rank RT is not less than AB levels.
C, D, E class is carried out by NB/T47013.5-2015, qualified rank PT, and 100%, I grade qualified.
5th, pressure test：
Air tight test pressure：0.08MPa.
Claims (4)
1. a kind of manufacture method of simulated experiment platform stratochamber, it is characterised in that comprise the steps：
Step 1, nacelle, the group of rear head are to installing：Main element weld when, front head be install in all of part it is laggard
Row welding；
Step 2, assembling reinforcing ring：The reinforcing ring of centre two of 4 groups of reinforcing rings of experimental cabin prescinds a part, riser and internal ring, outer
Ring adopt point method of lobe group pair with reach reinforcing ring and nacelle be brought into close contact and uniform force purpose；
Step 3, doorframe group to welding：Doorframe each several part is the corrosion resistant plate using δ 50mm, each component of composing frame
All using interior cut form, it is ensured that the perpendicularity of each several part, doorframe group to when need preprepared frock
On plate is all fixed, in order to prevent being deformed during welding, after working plate has all been fixed, also need in doorframe in welding
Draw horizontal bar plate and perpendicular gusset；
Step 4, test platform：The frock fixation test platform used in welding process；To the work platformses after manufacture completion by figure
The requirement of sample and technical papers, to gainer passed examination after, can just carry out pickling, passivation pretreatment；By weld seam and its two
Side welding slag, splash are cleaned out, and the surface gasoline of workbench or abluent remove oil stain dirt；Remove weld seam both sides foreign body
When, to remove using rustless steel wire brush, stainless steel shovel or emery wheel, removing is finished is washed away totally with water purification；
The pre-installation debugging of step 5, hinge assembly：The hatch door height 1100mm of experimental cabin, is provided with 5 hinge assemblies, hinge altogether
Component carries out pre-installation debugging when being welded to before nacelle；
Step 6, perforate：The perforate of hatch door uses plasma perforate, in the nacelle of 2000 mm diameters opens 1100 × 900 mm's
Hatch door, by hatch door and nacelle mutually to pass through picture good, make 1：1 model, according to model rule, plasma cutting when along size
The inward flange of line is cut, and then by doorframe group to doorframe tapping, comparing out the size of phase difference size, reconditioning goes out finally
The shape of size；
The welding of step 7, frame members and nacelle：Cross muscle anyhow will be pulled in nacelle, and the groove type for adopting is two-sided slope
Mouthful, to ensure complete penetraction and fusion in welding；
Step 8, test platform enter cabin：The depth of parallelism of the test platform on the basis of ground requires 300mm ± 0.1mm, and test is flat
Before platform moves into experimental cabin, regulating block is installed on the transverse slat of test platform, micro Adjustment Tests platform can be realized
The depth of parallelism.
2. a kind of manufacture method of simulated experiment platform stratochamber according to claim 1, it is characterised in that described step 1
In, nacelle is shaped as cylinder, and its size is φ 2000mm × 4000mm.
3. a kind of manufacture method of simulated experiment platform stratochamber according to claim 1, it is characterised in that described step 3
In, the structure of doorframe is made up of four and half arcs and four side plates, size be 1100mm × 1900mm × 50mm, circular arc it is whole
Cylinder of the body size for φ 1000mm × 1100mm.
4. a kind of manufacture method of simulated experiment platform stratochamber according to claim 1, it is characterised in that described step 4
In, in water purification, chloride ion content is 0-25mg/l.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975765.6A CN106514142B (en) | 2016-11-07 | 2016-11-07 | The manufacturing method of simulator stand stratochamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975765.6A CN106514142B (en) | 2016-11-07 | 2016-11-07 | The manufacturing method of simulator stand stratochamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106514142A true CN106514142A (en) | 2017-03-22 |
| CN106514142B CN106514142B (en) | 2018-11-30 |
Family
ID=58350281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610975765.6A Expired - Fee Related CN106514142B (en) | 2016-11-07 | 2016-11-07 | The manufacturing method of simulator stand stratochamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106514142B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466012A (en) * | 2018-03-26 | 2018-08-31 | 沈阳航天新光压力容器有限公司 | The manufacturing method of high simulator stand stratochamber |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372156A (en) * | 1981-02-17 | 1983-02-08 | Caterpillar Tractor Co. | Method and apparatus for determining cylinder liner projection |
| GB2289312A (en) * | 1994-05-11 | 1995-11-15 | Caterpillar Inc | Fuel injector assembly |
| CN101870028A (en) * | 2010-05-31 | 2010-10-27 | 南通中远船务工程有限公司 | Method for assembling and welding propeller base of cylindrical marine work platform |
| CN103614600A (en) * | 2013-11-29 | 2014-03-05 | 东北轻合金有限责任公司 | Method for manufacturing entire aluminum alloy cabin skeleton for windshield frame of advanced training plane |
| CN204165755U (en) * | 2014-10-08 | 2015-02-18 | 中国第一汽车股份有限公司 | A kind of engine is to mark experimental cabin |
| CN104801935A (en) * | 2015-04-28 | 2015-07-29 | 什邡市明日宇航工业股份有限公司 | Method for processing aircraft aluminum alloy special-shaped cabin |
| CN105043778A (en) * | 2015-07-06 | 2015-11-11 | 西安航天动力试验技术研究所 | Engine high-altitude simulation system vacuum cabin |
| CN105171347A (en) * | 2015-08-28 | 2015-12-23 | 沈阳航天新光集团有限公司 | Field mounting method for test chamber |
| CN105241668A (en) * | 2015-11-28 | 2016-01-13 | 南通华夏飞机工程技术股份有限公司 | Piston type aero-engine test stand |
-
2016
- 2016-11-07 CN CN201610975765.6A patent/CN106514142B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372156A (en) * | 1981-02-17 | 1983-02-08 | Caterpillar Tractor Co. | Method and apparatus for determining cylinder liner projection |
| GB2289312A (en) * | 1994-05-11 | 1995-11-15 | Caterpillar Inc | Fuel injector assembly |
| CN101870028A (en) * | 2010-05-31 | 2010-10-27 | 南通中远船务工程有限公司 | Method for assembling and welding propeller base of cylindrical marine work platform |
| CN103614600A (en) * | 2013-11-29 | 2014-03-05 | 东北轻合金有限责任公司 | Method for manufacturing entire aluminum alloy cabin skeleton for windshield frame of advanced training plane |
| CN204165755U (en) * | 2014-10-08 | 2015-02-18 | 中国第一汽车股份有限公司 | A kind of engine is to mark experimental cabin |
| CN104801935A (en) * | 2015-04-28 | 2015-07-29 | 什邡市明日宇航工业股份有限公司 | Method for processing aircraft aluminum alloy special-shaped cabin |
| CN105043778A (en) * | 2015-07-06 | 2015-11-11 | 西安航天动力试验技术研究所 | Engine high-altitude simulation system vacuum cabin |
| CN105171347A (en) * | 2015-08-28 | 2015-12-23 | 沈阳航天新光集团有限公司 | Field mounting method for test chamber |
| CN105241668A (en) * | 2015-11-28 | 2016-01-13 | 南通华夏飞机工程技术股份有限公司 | Piston type aero-engine test stand |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466012A (en) * | 2018-03-26 | 2018-08-31 | 沈阳航天新光压力容器有限公司 | The manufacturing method of high simulator stand stratochamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106514142B (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113172361B (en) | Method and system for welding and repairing hub of wind generating set | |
| CN101629912A (en) | Determination method of reliability of titanium welding seam of titanium steel composite board equipment | |
| CN103862146B (en) | Gas turbine burner inner barrel manufacture method and frock | |
| CN102513664A (en) | Actual ship assembly welding process for ultra-large high-precision base | |
| CN101915197B (en) | Installation and adjustment method for cylindrical valve of water turbine | |
| CN106392292A (en) | Electron beam welding method of thin-walled part | |
| CN106002008A (en) | Method for welding door frame of ultra-low-temperature high-power wind turbine tower | |
| Churiaque et al. | Improvements of hybrid laser arc welding for shipbuilding T-joints with 2F position of 8 mm thick steel | |
| Wang et al. | Effect of weld defects on the mechanical properties of stainless-steel weldments on large cruise ship | |
| CN106514142A (en) | Manufacturing method for simulation test bed altitude chamber | |
| CN109955038A (en) | A kind of manufacture craft of sealing pipeline | |
| Ling et al. | Effect of welding sequence of a multi-pass temper bead in gas-shielded flux-cored arc welding process: hardness, microstructure, and impact toughness analysis | |
| CN112975178B (en) | Electron beam scanning stirring welding process for upper tube base | |
| CN108466012A (en) | The manufacturing method of high simulator stand stratochamber | |
| CN106583956A (en) | Welding process of automobile galvanized steel sheet | |
| CN117283095A (en) | Welding process method suitable for titanium alloy bogie of high-speed railway passenger car | |
| TWI771066B (en) | Simulation test method for welding lamellar tearing of high-strength steel plate for offshore underwater foundation | |
| CN109128564A (en) | A kind of welding method for auto parts and components production | |
| CN109175659A (en) | A kind of metal composite products combination interface localization method | |
| CN104889735B (en) | Super-section steel bridge abnormity king-post and preparation method thereof | |
| CN104972201A (en) | Method for overlaying Co-Cr-W hard alloy on super duplex stainless steel substrate | |
| CN110253108B (en) | Welding method for B-grade steel and 316L dissimilar steel | |
| Dinovitzer et al. | Heat Affected Zone Softening Susceptibility Test | |
| CN110824005A (en) | Ultrasonic detection process for welding seam backing welding of bogie frame | |
| Zheng et al. | Twin wire gas tungsten arc cladding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190618 Address after: 110043 No. 3 Dongta Street, Dadong District, Shenyang City, Liaoning Province Patentee after: SHENYANG AEROSPACE XINGUANG PRESSURE VESSEL Co.,Ltd. Address before: 110043 No. 3 Dongta Street, Dadong District, Shenyang City, Liaoning Province Patentee before: SHENYANG AEROSPACE XINGUANG GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |