CN107225310A - Aluminium-alloy pipe argon arc welding process optimization method - Google Patents
Aluminium-alloy pipe argon arc welding process optimization method Download PDFInfo
- Publication number
- CN107225310A CN107225310A CN201710482058.8A CN201710482058A CN107225310A CN 107225310 A CN107225310 A CN 107225310A CN 201710482058 A CN201710482058 A CN 201710482058A CN 107225310 A CN107225310 A CN 107225310A
- Authority
- CN
- China
- Prior art keywords
- welding
- aluminium
- test specimen
- optimization method
- alloy pipe
- 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.)
- Pending
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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of aluminium-alloy pipe argon arc welding process optimization method, groove grinding process is carried out to test specimen, it is 35 ° to make bevel angle, exposes and is welded after metallic luster in setting time；Test specimen is subjected to orthogonal sets to inspection on station frame, seen with the presence or absence of gap, if there is gap then by bevelled edge filing；Polishing welding wire, round heap-type is polished into by the tungsten bar tungsten electrode of welding gun, is welded in the case where keeping purity of argon, water content and the gas flow of setting；By the test specimen group pair prepared, gap is not stayed during group pair, in the absence of angular deformation, bottoming welding, welding line joint and cover welding are carried out successively；The outward appearance and ray detection internal soundness of weld seam are detected, by different welding finished product data transfer to database, big data analysis, according to data analysis, continuous adjusting and optimizing welding condition is carried out.
Description
Technical field
The present invention relates to a kind of aluminium-alloy pipe argon arc welding process optimization method.
Background technology
At present, in national welding Skill Competition project, the welding of aluminium-alloy pipe turns into traditional game project, by
Have thermal conductivity strong in aluminium and aluminium alloy and thermal capacity is big, linear expansion coefficient is big, fusing point is low and the features such as small elevated temperature strength, aluminum pipe
Welding characteristic, the defects such as oxidation, stomata and incomplete fusion are also easy to produce in welding.In contestant's training process, conventional method is
According to contest specification of technical file, welding exercise with the progress test specimen of player is taught by coach's experience and individual gropes,
It can for a long time summarize and be suitable for a set of welding skill of oneself, because the level difference of player causes nursery to use the time long,
Material and mechanical use cost are high, welding quality unstable during fully playing on spot.For aluminium-alloy pipe argon arc welding process and weldering
The effect connect all can not it is fair, objectively evaluated or assessed.
Meanwhile, angle is generally 30 ° during traditional test specimen retaining wall on slope, and soldering angle is on the lower side less than normal after docking, easily causes
The defects such as incomplete root penetration, while using file or steel bistrique polishing groove, causing groove side to exist in burr and easily damage
Groove side, causes to produce the defects such as stomata, burn-through during welding.
The lifting of welding point Forming Quality is slow, and time that operator is spent, energy are longer, material, the machinery consumed
Higher etc. cost, simultaneously because strong light, intensive ultraviolet radiation during Welded etc., the training of long period is to operator's
Physical and mental health is damaged.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of aluminium-alloy pipe argon arc welding process optimization method, the present invention
By being provided with targetedly welding method to several key technology points in welding, optimize welding effect, meanwhile, it is capable to
Unified assessment level is set up, the level of rational evaluation operator can be applied to welding Skill Competition project.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of aluminium-alloy pipe argon arc welding process optimization method, comprises the following steps：
(1) groove grinding process is carried out to test specimen, it is 35 ° to make bevel angle, is exposed after metallic luster in setting time
Welded；
(2) test specimen is carried out to orthogonal sets on station frame to inspection, seen with the presence or absence of gap, if there is gap then by slope
Mouth edge filing；
(3) polishing welding wire, round heap-type is polished into by the tungsten bar tungsten electrode of welding gun, is keeping purity of argon, the water content of setting
Welded with gas flow；
(4) by the test specimen group pair prepared, gap is not stayed during group pair, in the absence of angular deformation, bottoming welding, weldering are carried out successively
Sew up head and cover welding；
(5) outward appearance and ray detection internal soundness of weld seam are detected, by different welding finished product data transfers to database,
Carry out big data analysis, according to data analysis, continuous adjusting and optimizing welding condition.
In the step (1), test specimen, to groove grinding process, passes through weldering using the special superhard wolfram steel saw blade of aluminium alloy
The inspection of seam detection ruler confirms to make bevel angle for 35 °, and in polishing, internal groove side is not repaired, and is kept straight.
In the step (1), test specimen groove both sides 40-60mm boundary inner surfaces polish clean with steel bistrique, expose metal
Gloss, the test specimen prepared must be welded in 1.5-2.5 hours, otherwise re-started polishing and prepared
In the step (3), purity of argon is not less than 99.99%, and water content is not more than 50mg/m3, gas flow is
15-20L/min, environment temperature is not less than 5 DEG C, is otherwise preheated to after 100-200 DEG C welding again.
In the step (4), bottoming welding current is 150-160A, and cleaning ratio is [- 20, -15], and exchange bias is
120；Welding gun and test specimen angle in 90 ° during welding, can not be tilted forward and back, tungsten electrode extension elongation for [2,4] ㎜, welding wire and weld seam into
50 ° -70 ° angles, plus during silk using welding wire top melt molten bath, to molten bath behind plus silk.
In the step (4), in welding process, the solder joint of solid point will be polished off, and should not groove root is worn out.
In the step (4), if finding there is stomata, stop welding immediately, carry out reconditioning processing, and check the root of weld
Whether incomplete fusion.
In the step (4), before backing weld seam joint, it is applicable superhard wolfram steel saw blade and polish blow-out point above
Slope, during the starting the arc will the starting the arc behind slope, formed behind molten bath and to be welded adding welding wire, finally by first during receipts arc
Individual arcing point polish slope, slowly ceases arc.
In the step (4), before cover welding, setting welding current is 140-150A, and cleaning ratio is [- 20, -5], is handed over
It is 120 to flow bias.
In the step (4), welding gun and weld seam angle in 90 ° during capping, welding wire use the angle for the shear line justified with weld seam
Du Jiasi, welding gun is swung using circular ring-type swing method, the connector wolfram steel saw blade polishing of weld seam, to ensure the height of joint
First arcing point is polished slope during last receipts arc, slowly ceases arc by difference, the original weld seam that should not be damaged during polishing.
Compared with prior art, beneficial effects of the present invention are：
The present invention is using the special superhard wolfram steel saw blade of aluminium alloy to groove grinding process, groove side impulse- free robustness and breach
Avoid producing the defects such as stomata, burn-through during welding；Bevel angle is 35 °, solves because test specimen bevel angle is less than normal, easily causes
The problem of defects such as incomplete root penetration.
The present invention is instructed operator's operation technique in whole welding process, makes each operator be easy to grasp unified
Aluminium-alloy pipe welding technical ability, it is ensured that the presentation quality and internal soundness of welding point.
Big data analysis is carried out to the welding effect of operator, joined according to the continuous adjusting and optimizing welding procedure of data analysis
Number, reaches optimal welding effect, helps more optimizing welding process.
Embodiment：
With reference to embodiment, the invention will be further described.
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, in the prior art in the presence of for aluminium-alloy pipe argon arc welding process and welding
Effect all fair, objectively can not be evaluated or be assessed and the lifting of welding point Forming Quality slowly, operator spent when
Between, energy it is longer, the cost such as material, machinery for being consumed is higher, simultaneously because strong light, intensive ultraviolet spoke during Welded
Penetrate, the deficiency that the training of long period is damaged to the physical and mental health of operator, in order to solve technical problem as above, this
Application proposes a kind of aluminium-alloy pipe argon arc welding process optimization method, comprises the following steps：
(1) groove grinding process is carried out to test specimen, it is 35 ° to make bevel angle, is exposed after metallic luster in setting time
Welded；
(2) test specimen is carried out to orthogonal sets on station frame to inspection, seen with the presence or absence of gap, if there is gap then by slope
Mouth edge filing；
(3) polishing welding wire, round heap-type is polished into by the tungsten bar tungsten electrode of welding gun, is keeping purity of argon, the water content of setting
Welded with gas flow；
(4) by the test specimen group pair prepared, gap is not stayed during group pair, in the absence of angular deformation, bottoming welding, weldering are carried out successively
Sew up head and cover welding；
(5) outward appearance and ray detection internal soundness of weld seam are detected, by different welding finished product data transfers to database,
Carry out big data analysis, according to data analysis, continuous adjusting and optimizing welding condition.
In the step (1), test specimen, to groove grinding process, passes through weldering using the special superhard wolfram steel saw blade of aluminium alloy
The inspection of seam detection ruler confirms to make bevel angle for 35 °, and in polishing, internal groove side is not repaired, and is kept straight.
In the step (1), test specimen groove both sides 40-60mm boundary inner surfaces polish clean with steel bistrique, expose metal
Gloss, the test specimen prepared must be welded in 1.5-2.5 hours, otherwise re-started polishing and prepared
In the step (3), purity of argon is not less than 99.99%, and water content is not more than 50mg/m3, gas flow is
15-20L/min, environment temperature is not less than 5 DEG C, is otherwise preheated to after 100-200 DEG C welding again.
In the step (4), bottoming welding current is 150-160A, and cleaning ratio is [- 20, -15], and exchange bias is
120；Welding gun and test specimen angle in 90 ° during welding, can not be tilted forward and back, tungsten electrode extension elongation for [2,4] ㎜, welding wire and weld seam into
50 ° -70 ° angles, plus during silk using welding wire top melt molten bath, to molten bath behind plus silk.
In the step (4), in welding process, the solder joint of solid point will be polished off, and should not groove root is worn out.
In the step (4), if finding there is stomata, stop welding immediately, carry out reconditioning processing, and check the root of weld
Whether incomplete fusion.
In the step (4), before backing weld seam joint, it is applicable superhard wolfram steel saw blade and polish blow-out point above
Slope, during the starting the arc will the starting the arc behind slope, formed behind molten bath and to be welded adding welding wire, finally by first during receipts arc
Individual arcing point polish slope, slowly ceases arc.
In the step (4), before cover welding, setting welding current is 140-150A, and cleaning ratio is [- 20, -5], is handed over
It is 120 to flow bias.
In the step (4), welding gun and weld seam angle in 90 ° during capping, welding wire use the angle for the shear line justified with weld seam
Du Jiasi, welding gun is swung using circular ring-type swing method, the connector wolfram steel saw blade polishing of weld seam, to ensure the height of joint
First arcing point is polished slope during last receipts arc, slowly ceases arc by difference, the original weld seam that should not be damaged during polishing.
As a kind of exemplary embodiments, the present invention is used for contest, required capital equipment and material and welding method：
Welding equipment：Alternating current-direct current square wave aluminium welding machine；
Aluminium-alloy pipe specification：80 × 5mm of Φ, material：5A06 almags；
Aluminium welding wire specification：2.4mm, 3.2mm, model：SAl5356；
Welding method：Ac tungsten inert gases welding；
Welding position：Vertical fixed welding；
Participate in training player：With certain GTAW operative skills basis.
First to using the special superhard wolfram steel saw blade of aluminium alloy to groove burnishing part by the good test specimen of lathe process
Reason, is confirmed to make bevel angle be 35 ° by welding inspection rule inspection, notices that internal groove side must not be repaired in polishing, keep flat
Directly.Burr will not be produced at the processing mode groove, the generation of stomata when can reduce welding.Test specimen groove both sides 50mm scopes
Inner surface polishes clean with steel bistrique, exposes metallic luster, the test specimen prepared must be welded in 2 hours, otherwise be weighed
It is new to carry out polishing preparation, because easily oxidation produces fine and close oxide-film to aluminium in atmosphere, such as without handling in welding
Gas hole defect occurs.
Test specimen is subjected to orthogonal sets to inspection on station frame, seen with the presence or absence of gap.It can cause to burn if there is gap
Defect is worn, can slightly be exerted oneself filing through internal groove edge with file, the burr occurred after polishing will clean out, occur without as far as possible
Root face, otherwise root face is blocked up impacts when can be connect to backing welding, causes lack of penetration.
Steel for welding wire pompon used is polished one time, it is ensured that welding wire surface polishing is clean, and the welding wire cleared up is put into special weldering
In silk cylinder, it is necessary to be finished in 8 hours, otherwise easily oxidation needs to handle again.
The tungsten bar of welding gun selects Ce-W bar, and tungsten electrode is polished into round heap-type, can not be too sharp but wants round and smooth without corner angle.
Purity of argon must not be less than 99.99%, and water content not should be greater than 50mg/m3, gas flow is 15-20L/
min。
Environment temperature is not less than 5 DEG C, and otherwise should be preheated to 100-200 DEG C can welding.
By the test specimen group pair prepared, gap is not stayed during group pair, there must not be angular deformation.
Good arcing point A is reserved tack ago, using A points as equilateral triangle summit, determines two other summit B, C, that is,
Need 2 points of solid point, solid point electric current is unsuitable excessive, can not penetrate, solid point is firm, stress deformation or pulled open during to prevent welding.
Before bottoming welding, setting welding current is 150-160A, and cleaning ratio is-20-- 15, and exchange bias is 120.
The welding starting the arc is in A points, welding gun and test specimen angle in 90 °, can not tilt forward and back, tungsten electrode extension elongation is about 3 ㎜.
Welding wire and weld seam gently go to the molten bath that top is melted into 50 ° -70 ° angles, plus during silk with welding wire, be to behind molten bath plus silk, no
Root is easily caused to molten bath the inside plus silk to molten bath the inside plus silk wired.In the starting the arc can up and down slight oscillatory welding gun,
Subsequent welding gun is without swinging, and speed of welding should not be excessively slow during welding.If finding to add during welding, positive molten bath after welding wire is blocked up, mistake
Width, this shows that root is non-fusion, and the welding wire of addition has all been melted in the molten bath on surface.
In welding process, the solder joint of solid point will be polished off, but must not groove root is worn out.If it was found that there is stomata etc.
Defect, stops welding immediately, carries out reconditioning processing, and check the root of weld whether incomplete fusion.
Before backing weld seam joint, blow-out point above first polished into slope with superhard wolfram steel saw blade, so connect
Head is easier.During the starting the arc will the starting the arc behind slope, formed molten bath after add welding wire welded.Wanted when finally receiving arc
First arcing point A is polished into slope, arc is slowly ceased, and reserve one section " small tail ".
Before cover welding, setting welding current is 140-150A, and cleaning ratio is-20-- 5, and exchange bias is 120.
Bottoming welding after the completion of, through visual inspection confirm it is errorless after, with superhard wolfram steel saw blade connecing prime coat weld seam
Head and high point are slightly polished, make prime coat weld seam smooth.Welding gun and weld seam angle in 90 ° during capping, welding wire can use with
The angle of the shear line of weld seam circle adds silk, and welding gun is swung using circular ring-type swing method.The joint of weld seam is equally justified with superhard wolfram steel
Saw blade is polished, to ensure the difference of height of joint, the original weld seam that should not be damaged during polishing.First during last receipts arc
Individual arcing point polish slope, slowly ceases arc, receives out one " small tail ".
Outward appearance scoring and ray detection internal soundness are carried out according to regulations of contest file judgment criteria after the completion of welding, is set up
Player's training process database, the test specimen score welded and the situation input database that goes wrong are entered to player's result of training
Row big data analyze, according to data analysis, continuous adjusting and optimizing welding condition, reach optimal welding effect and it is optimal into
Achievement.
Using the special superhard wolfram steel saw blade of aluminium alloy to groove grinding process, bevel angle is 35 °, and test specimen is solved
Because test specimen bevel angle is less than normal, easily cause the defects such as incomplete root penetration, if it is desired to allow root through welding will high current, so
Outer groove side can be caused to be melted, groove hem width is narrow uneven, follow-up weld cap is made a big impact.Electric current is excessive simultaneously
The probability that stomata is produced inside weld seam can be greatly increased.According to file or steel bistrique polishing groove, groove side is caused to there is hair
Thorn and easily damage internal groove side, cause to produce the defects such as stomata, burn-through during welding.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Although the above-mentioned embodiment to the present invention is described, not to the limit of the scope of the present invention
System, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art need not pay
Go out various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. a kind of aluminium-alloy pipe argon arc welding process optimization method, it is characterized in that：Comprise the following steps：
(1) groove grinding process is carried out to test specimen, it is 35 ° to make bevel angle, exposes and carried out after metallic luster in setting time
Welding；
(2) test specimen is carried out to orthogonal sets on station frame to inspection, seen with the presence or absence of gap, if there is gap then by groove side
Edge filing；
(3) polishing welding wire, round heap-type is polished into by the tungsten bar tungsten electrode of welding gun, and keeping, purity of argon, the water content of setting are gentle
Welded under body flow；
(4) by the test specimen group pair prepared, gap is not stayed during group pair, in the absence of angular deformation, bottoming welding, weld seam is carried out successively and is connect
Head and cover welding；
(5) outward appearance and ray detection internal soundness of weld seam are detected, different welding finished product data transfer to database is carried out
Big data is analyzed, according to data analysis, continuous adjusting and optimizing welding condition.
2. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (1)
In, test specimen, to groove grinding process, confirms to make using the special superhard wolfram steel saw blade of aluminium alloy by welding inspection rule inspection
Bevel angle is 35 °, and in polishing, internal groove side is not repaired, and is kept straight.
3. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (1)
In, test specimen groove both sides 40-60mm boundary inner surfaces polish clean with steel bistrique, expose metallic luster, the test specimen prepared must
It must be welded in 1.5-2.5 hours, otherwise re-start polishing and prepare.
4. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (3)
In, purity of argon is not less than 99.99%, and water content is not more than 50mg/m3, gas flow is 15-20L/min, environment temperature
It is not less than 5 DEG C, is otherwise preheated to after 100-200 DEG C welding again.
5. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (4)
In, bottoming welding current is 150-160A, and cleaning ratio is [- 20, -15], and exchange bias is 120；Welding gun and test specimen during welding
Angle in 90 °, can not be tilted forward and back, and tungsten electrode extension elongation is [2,4] ㎜, welding wire and weld seam are into 50 ° -70 ° angles, plus during silk
Using welding wire top melt molten bath, to molten bath behind plus silk.
6. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (4)
In, in welding process, the solder joint of solid point will be polished off, and should not groove root is worn out.
7. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (4)
In, if finding there is stomata, stop welding immediately, carry out reconditioning processing, and check the root of weld whether incomplete fusion.
8. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (4)
In, before backing weld seam joint, it is applicable superhard wolfram steel saw blade and blow-out point above is polished into slope, will be on slope during the starting the arc
Behind the starting the arc, formed molten bath after add welding wire welded, finally receipts arc when first arcing point is polished into slope,
Slowly cease arc.
9. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (4)
In, before cover welding, setting welding current is 140-150A, and cleaning ratio is [- 20, -5], and exchange bias is 120.
10. a kind of aluminium-alloy pipe argon arc welding process optimization method as claimed in claim 1, it is characterized in that：The step (4)
In, welding gun and weld seam angle in 90 ° during capping, welding wire use the angle for the shear line justified with weld seam to add silk, and welding gun uses circle
Type swing method is swung, the connector wolfram steel saw blade polishing of weld seam, to ensure the difference of height of joint, should not be damaged during polishing
First arcing point, is polished slope during last receipts arc, slowly ceases arc by original weld seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482058.8A CN107225310A (en) | 2017-06-22 | 2017-06-22 | Aluminium-alloy pipe argon arc welding process optimization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482058.8A CN107225310A (en) | 2017-06-22 | 2017-06-22 | Aluminium-alloy pipe argon arc welding process optimization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107225310A true CN107225310A (en) | 2017-10-03 |
Family
ID=59936084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710482058.8A Pending CN107225310A (en) | 2017-06-22 | 2017-06-22 | Aluminium-alloy pipe argon arc welding process optimization method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107225310A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453351A (en) * | 2018-02-26 | 2018-08-28 | 中国华冶科工集团有限公司 | A kind of Al pipe butt welding method |
| CN108500426A (en) * | 2018-03-20 | 2018-09-07 | 中车青岛四方机车车辆股份有限公司 | A kind of butt welding method of thick walled steel tube |
| WO2019000112A1 (en) * | 2017-06-26 | 2019-01-03 | 山东电力建设第一工程公司 | Optimization method of aluminum alloy pipe argon arc welding process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166169A (en) * | 1984-02-10 | 1985-08-29 | Hitachi Ltd | Welding method of aluminum pipe |
| CN101301699A (en) * | 2007-11-23 | 2008-11-12 | 鞍钢建设集团有限公司 | Large caliber aluminium alloy pipeline non-pad tungsten electrode argon arc single face welding and double face shaping method |
| JP2009168415A (en) * | 2008-01-21 | 2009-07-30 | Panasonic Corp | Accumulator and its assembling method |
| CN102837115A (en) * | 2012-09-27 | 2012-12-26 | 中国化学工程第三建设有限公司 | Seamless welding method for aluminum and aluminum alloy or pipeline |
| CN103357991A (en) * | 2013-06-28 | 2013-10-23 | 江苏中核利柏特股份有限公司 | Horizontal fixed welding technology for aluminium process pipeline |
| CN105750709A (en) * | 2016-05-17 | 2016-07-13 | 山东电力建设第工程公司 | SA-213TP347HFG steel small diameter tube welding method |
-
2017
- 2017-06-22 CN CN201710482058.8A patent/CN107225310A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166169A (en) * | 1984-02-10 | 1985-08-29 | Hitachi Ltd | Welding method of aluminum pipe |
| CN101301699A (en) * | 2007-11-23 | 2008-11-12 | 鞍钢建设集团有限公司 | Large caliber aluminium alloy pipeline non-pad tungsten electrode argon arc single face welding and double face shaping method |
| JP2009168415A (en) * | 2008-01-21 | 2009-07-30 | Panasonic Corp | Accumulator and its assembling method |
| CN102837115A (en) * | 2012-09-27 | 2012-12-26 | 中国化学工程第三建设有限公司 | Seamless welding method for aluminum and aluminum alloy or pipeline |
| CN103357991A (en) * | 2013-06-28 | 2013-10-23 | 江苏中核利柏特股份有限公司 | Horizontal fixed welding technology for aluminium process pipeline |
| CN105750709A (en) * | 2016-05-17 | 2016-07-13 | 山东电力建设第工程公司 | SA-213TP347HFG steel small diameter tube welding method |
Non-Patent Citations (5)
| Title |
|---|
| 中国机械工程学会焊接分会: "《焊接技术路线图》", 30 November 2016, 中国科学技术出版社 * |
| 唐元生等: "φ80mm×5mm小口径铝镁合金管道TIG焊接要点", 《金属加工(热加工)》 * |
| 杜国华: "《焊工简明手册》", 31 January 2013, 机械工业出版社 * |
| 都宏海等: "L2铝Ф100mm×4mm管垂直固定钨极氩弧焊技术", 《金属加工(热加工)》 * |
| 陈海华等: "5A06铝镁合金管垂直固定交流TIG焊接工艺", 《现代焊接》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000112A1 (en) * | 2017-06-26 | 2019-01-03 | 山东电力建设第一工程公司 | Optimization method of aluminum alloy pipe argon arc welding process |
| CN108453351A (en) * | 2018-02-26 | 2018-08-28 | 中国华冶科工集团有限公司 | A kind of Al pipe butt welding method |
| CN108453351B (en) * | 2018-02-26 | 2020-07-10 | 中国华冶科工集团有限公司 | Aluminum pipe welding method |
| CN108500426A (en) * | 2018-03-20 | 2018-09-07 | 中车青岛四方机车车辆股份有限公司 | A kind of butt welding method of thick walled steel tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103962791B (en) | Large-scale heat resisting steel foundry goods welding repair method | |
| CN105252117B (en) | A kind of nickel alloy process pipe Manual argon-arc welding | |
| CN110640277B (en) | Q420 high-strength steel thick plate non-preheating double-wire submerged-arc welding process | |
| CN103212913B (en) | A kind of group of large diameter thin wall corrugated stainless steel tubing to and welding method | |
| CN105195860B (en) | Welding method is tiltedly found in back docking | |
| CN107225310A (en) | Aluminium-alloy pipe argon arc welding process optimization method | |
| CN102962543B (en) | Welding process for red copper and stainless steel dissimilar materials | |
| CN105081527B (en) | A kind of vertical docking automatic soldering technique method of thin plate in 5%Ni steel | |
| CN103817414B (en) | The tungsten argon arc hot wire welding bead-welding technology of main pump motor axle and flywheel | |
| US9511454B2 (en) | Welding activated flux for structural alloy steels | |
| CN108856989B (en) | Priming method for fusion electrode MIG welding in pipeline welding | |
| CN102922086B (en) | Manual electric arc welding prime coat is arc extinguishing method and the application in Q460 high-strength steel docking plate welding thereof in a zigzag | |
| CN102848057A (en) | Method for reworking welding seam of aluminum and aluminum alloy | |
| CN115673483B (en) | Arc welding device with adjustable angle position of welding gun and welding method | |
| CN104607775A (en) | Automatic submerged arc welding method for nickel alloy composite board | |
| CN104607827B (en) | A kind of cast steel that prevents welds the method cracked with steel | |
| CN108890092B (en) | Method for single-side welding and double-side forming of fusion electrode MAG welding tube plate | |
| CN104439651A (en) | Mixed gas shielded welding process of melting electrode of steel plate with thickness being over 12 mm | |
| CN109024903B (en) | Hemispherical support joint and manufacturing process thereof | |
| CN110773844B (en) | Downward automatic welding method of gas shielded alkaline flux-cored wire for long-distance pipeline | |
| CN106695046A (en) | Welding method for stainless steel plate and weather-resistant steel plate | |
| CN211804660U (en) | Stud embedding device on roller of high-pressure mine roller mill | |
| CN103111733A (en) | Welding method for high-weather resistance steel and stainless steel | |
| CN111203612A (en) | Steel plate welding method | |
| CN109500480A (en) | A kind of stainless ceramic liner welding procedure |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171003 |