CN106825904A - A kind of friction stir welding method - Google Patents
A kind of friction stir welding method Download PDFInfo
- Publication number
- CN106825904A CN106825904A CN201710002018.9A CN201710002018A CN106825904A CN 106825904 A CN106825904 A CN 106825904A CN 201710002018 A CN201710002018 A CN 201710002018A CN 106825904 A CN106825904 A CN 106825904A
- Authority
- CN
- China
- Prior art keywords
- parts
- welding
- composition backing
- fixed
- stirring
- 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
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
Abstract
The present invention relates to a kind of friction stir welding method, including：Welding tooling is fixed on welding bench；Composition backing is fixed on welding tooling；Auxiliary positioning block is fixed on composition backing；First parts are fixed on composition backing；Auxiliary positioning block is removed；Second parts are fixed on composition backing；By stirring-head clamping on the chuck of stirring welding equipment；Tack welding is carried out to the first parts and the second parts；First parts and the second parts are stirred with friction welding (FW) and then complete welding acquisition weldment.The friction stir welding method can guarantee that welding quality, improves utilization rate of raw materials, saves welding cost, improves processing efficiency.
Description
Technical field
The present invention relates to welding technology field, more particularly to a kind of friction stir welding method.
Background technology
Agitating friction weldering was invented in 1991 by Britain's institute of welding (TWI), and it is a kind of solid diffusivity of green
Technology, it is small with welding deformation compared with traditional melting welding, it is pollution-free, and weld seam is not in the common melting welding such as crackle, undercut
Defect, be particularly suitable for the welding of light-alloy, obtained and be widely applied, as the heart of agitating friction weldering, stirring-head for
Stirring friction welding seam shapes and performance seems particularly significant, and for agitating friction weldering banjo fixing butt jointing, the selection of mixing needle length
Particularly critical, if mixing needle length is more long, easy pierce through composition backing causes weld metal to be mingled with, if mixing needle length compared with
In short-term, it is easily caused incomplete penetration defect generation.
Agitating friction weldering butt weld in the prior art is thickeied frequently with mother metal back and is welded, and postwelding is added using machinery
Work method removes back surplus, and it is low to there is utilization rate of raw materials, the increased shortcoming of processing cost.
The content of the invention
The invention provides a kind of friction stir welding method, solve or part solves and uses mother metal in the prior art
Back thickeies is welded, and has that utilization rate of raw materials is low, the technical problem of high processing costs, realize guarantee welding quality,
Improve utilization rate of raw materials, the technique effect saved welding cost, improve processing efficiency.
A kind of friction stir welding method that the present invention is provided, for the butt welding of the first parts and the second parts；
The friction stir welding method includes：
Welding tooling is fixed on welding bench；
Composition backing is fixed on the welding tooling；The composition backing is provided with and first parts and institute
State the adaptable top surface of the bottom shape of the second parts；The end face center of the composition backing sets weldering bakie；
Auxiliary positioning block is fixed on the composition backing；The auxiliary positioning block includes the first folded plate and the second folding
Plate；It is close to the top surface of the composition backing, the end face of first folded plate and the weldering bakie in the bottom surface of first folded plate
Center line is coplanar；It is close to the side of the composition backing in the side of second folded plate；
First parts are fixed on the composition backing；The parallel weldering of solder side of first parts
The center line of bakie；
The auxiliary positioning block is removed；
Second parts are fixed on the composition backing；The parallel weldering of solder side of second parts
The center line of bakie；
By stirring-head clamping on the chuck of stirring welding equipment；The stirring-head stretch into first parts with it is described
Gap between second parts；The end face of the stirring-head is arc；
Tack welding is carried out to first parts and second parts；
First parts and second parts are stirred with friction welding (FW) and then complete welding acquisition weldment.
Preferably, being provided with the top of the welding tooling recessed with what the boss of the composition backing bottom was engaged
Groove；
The boss inserts the groove, the composition backing is fixed on the welding tooling.
Preferably, the weldering bakie is deep-slotted chip breaker；
Arc width 2~the 4mm more long than arc diameter in the section of the weldering bakie；
The both sides of the deep-slotted chip breaker set chamfering with the top surface of the composition backing.
Preferably, compressing the top of first folded plate by pressing plate, the auxiliary positioning block is set to be fixed on the weldering
On connection pad plate；
The top of first parts is compressed by pressing plate, first parts is fixed on the composition backing
On；
The top of second parts is compressed by pressing plate, second parts is fixed on the composition backing
On.
Preferably, after second parts are fixed on the composition backing, described 2nd 0 is detected by clearance gauge
The solder side of part and the spacing of the solder side of first parts, make the solder side and the described 1st of second parts
The spacing of the solder side of part is not more than 0.5mm.
Preferably, width of the diameter of the stirring-head less than the weldering bakie；
The length of the stirring-head is less than first parts and the thickness of second parts.
Preferably, before carrying out tack welding to first parts and second parts, cleaning described first
The solder side of parts and second parts；
After the completion of cleaning, the solder side of first parts and second parts is wiped by alcohol or acetone.
Preferably, by stirring-head clamping after the chuck of stirring welding equipment, the axis of the stirring-head and the weldering
The angle of the vertical plane where the center line of bakie is 2.5 °~3 °.
Preferably, the bottom surface of first parts is arcwall face or plane；
The bottom surface of second parts is arcwall face or plane.
Preferably, after completing welding, the back to the weldment is polished；
After the completion of polishing, the weldment is heat-treated；
After the completion of heat treatment, the weld seam to the weldment carries out Non-Destructive Testing.
One or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage：
The first parts are positioned and fixed as a result of composition backing and auxiliary positioning block, then to the 2nd 0
Part is positioned and fixed, it is ensured that the first parts and the second position components are accurate, by the top surface in composition backing
The end face of stirring-head is simultaneously arranged to arcwall face by centrally disposed weldering bakie, part is directly polished weldment back after welding
Weldering leakage, without mother metal back thicken, improve stock utilization.So, efficiently solve and carried on the back using mother metal in the prior art
Portion thickeies is welded, and has that utilization rate of raw materials is low, the technical problem of high processing costs, is realized guarantee welding quality, is carried
Utilization rate of raw materials high, the technique effect saved welding cost, improve processing efficiency.
Brief description of the drawings
Fig. 1 is the flow chart of friction stir welding method provided in an embodiment of the present invention；
Fig. 2 is the dress of the chuck, composition backing and auxiliary positioning block of the stirring welding equipment that the embodiment of the present invention one is provided
Figure；
Fig. 3 is the dress of the chuck, composition backing and auxiliary positioning block of the stirring welding equipment that the embodiment of the present invention two is provided
Figure；
Fig. 4 is the structural representation of composition backing in Fig. 3.
(part that each label is represented in diagram is followed successively by：Chuck, 2 auxiliary positioning blocks, 3 welded gaskets of 1 stirring welding equipment
Plate, 4 boss, 5 weldering bakies)
Specific embodiment
The embodiment of the present application provides a kind of friction stir welding method, solves or part solves and adopts in the prior art
Thickeied with mother metal back and welded, there is that utilization rate of raw materials is low, the technical problem of high processing costs, by composition backing with
Auxiliary positioning block is positioned and fixed to the first parts, and then the second parts are positioned and fixed, it is ensured that the
One parts and the second position components are accurate, and weldering bakie is set and by the end of stirring-head by the end face center of composition backing
Face is arranged to arcwall face, realizes guarantee welding quality, improves utilization rate of raw materials, save welding cost, improve processing efficiency
Technique effect.
A kind of friction stir welding method that the present invention is provided, for the butt welding of the first parts and the second parts；
Referring to accompanying drawing 1, the friction stir welding method includes：
S1：Welding tooling is fixed on welding bench.
S2：Composition backing 3 is fixed on welding tooling；It is provided with the top of welding tooling and the bottom of composition backing 3
The groove that boss 4 is engaged；Boss 4 inserts groove, composition backing 3 is fixed on welding tooling.Composition backing 3 be provided with
The adaptable top surface of the bottom shape of the first parts and the second parts；The end face center of composition backing 3 sets weldering bakie 5；
Wherein, the bottom surface of the first parts is arcwall face or plane；The bottom surface of the second parts is arcwall face or plane.Composition backing 3
It is rigid structure, the boss 4 of composition backing 3 and the groove match of welding tooling, plays spacing and fixation；Composition backing 3
Upper surface be planar structure, rigid support effect is played to part back during for welding.The setting of weldering bakie 5 is avoided that stirs
Mix the generation for causing commissure inclusion defect after head is contacted with composition backing.
S3：Auxiliary positioning block 2 is fixed on composition backing 3, specially：Auxiliary positioning block includes the first folded plate and second
Folded plate；The top of the first folded plate is compressed by pressing plate, auxiliary positioning block 2 is fixed on composition backing 3；The bottom surface of the first folded plate
It is close to the top surface of composition backing 3, the end face of the first folded plate is coplanar with the center line of weldering bakie 5；It is close to weldering in the side of the second folded plate
The side of connection pad plate 3.
S4：First parts are fixed on composition backing 3, specially：The top of the first parts is compressed by pressing plate,
The first parts are made to be fixed on composition backing 3；The center line of the parallel weldering bakie 5 of solder side of the first parts.
S5：Auxiliary positioning block 2 is removed.
S6：Second parts are fixed on composition backing 3, specially：The top of the second parts is compressed by pressing plate,
The second parts are made to be fixed on composition backing 3；The center line of the parallel weldering bakie 5 of solder side of the second parts.
S7：By stirring-head clamping on the chuck 1 of stirring welding equipment；Stirring-head clamping is being stirred into the folder of welding equipment
After first 1, the axis of stirring-head is 2.5 °~3 ° with the angle of the vertical plane where the center line of weldering bakie 5.Stirring-head stretches into
Gap between one parts and the second parts；The end face of stirring-head is arc；Width of the diameter of stirring-head less than weldering bakie 5
Degree；The length of stirring-head is less than the first parts and the thickness of the second parts.Wherein, it is the stirring-head energy of arc to use end face
Prevent stirring-head long or volume under pressure is excessive and pierce through parts to be welded.
S8：Tack welding is carried out to the first parts and the second parts.
S9：First parts and the second parts are stirred with friction welding (FW) and then complete welding acquisition weldment.
Further, weldering bakie 5 is deep-slotted chip breaker；Weld the arc width 2~4mm more long than arc diameter in the section of bakie 5；Arc
The both sides of shape groove 5 set chamfering with the top surface of composition backing 3, in order to weldment dismounting after the completion of follow-up parts formally welding
It is convenient, and avoid wedge angle from extruding weld seam back, stress concentration is caused, influence appearance of weld.
Further, after the second parts are fixed on composition backing 3, by clearance gauge detect the second parts solder side with
The spacing of the solder side of the first parts, the solder side and the spacing of the solder side of the first parts for making the second parts is not more than
0.5mm。
Further, before carrying out tack welding to the first parts and the second parts, the first parts and second are cleared up
The solder side of parts, removes position to be welded and obtains oxide-film and greasy dirt；After the completion of cleaning, the 1st is wiped by alcohol or acetone
The solder side of part and the second parts.
Further, after completing welding, the back to weldment is polished；After the completion of polishing, heat is carried out to weldment
Treatment；After the completion of heat treatment, the weld seam to weldment carries out Non-Destructive Testing.
The friction stir welding method that the application is provided is described in detail below by specific embodiment：
Embodiment one
Referring to accompanying drawing 2, the bottom surface of the first parts and the second parts is arcwall face；The friction stir welding method bag
Include：
S1：Welding tooling is fixed on welding bench.
S2：Composition backing 3 is fixed on welding tooling；The boss 4 of the bottom of composition backing 3 inserts the recessed of welding tooling
Groove.The top surface of composition backing 3 is the arcwall face adaptable with the bottom shape of the first parts and the second parts；Composition backing
3 end face center sets the weldering bakie 5 of arc.Weld the arc width 2.5mm more long than arc diameter in the section of bakie 5.
S3：The top of the first folded plate is compressed by pressing plate, auxiliary positioning block 2 is fixed on composition backing 3；Auxiliary positioning
The top surface of composition backing 3 is close in the bottom surface of the first folded plate of block 2, and the side of composition backing 3, first are close in the side of the second folded plate
The end face of folded plate is coplanar with the center line of weldering bakie 5.
S4：The top of the first parts is compressed by pressing plate, the first parts is fixed on composition backing 3；One zero
Part just to the end face of the first folded plate, and the parallel weldering bakie 5 of solder side of the first parts center line.
S5：Remove pressing plate and remove auxiliary positioning block 2.
S6：The top of the second parts is compressed by pressing plate, the second parts is fixed on composition backing 3；2nd 0
The center line of the parallel weldering bakie 5 of the solder side of part, the solder side and the first parts of the second parts are detected by clearance gauge
The spacing of solder side, makes the spacing of the solder side of the solder side of the second parts and the first parts for 0.4mm, between local maxima
Away from being 0.7mm.
S7：By stirring-head clamping on the chuck 1 of stirring welding equipment, the center line of the axis of stirring-head and weldering bakie 5
The angle of the vertical plane at place is 2.6 °.Stirring-head stretches into the gap between the first parts and the second parts；Stirring-head
End face is hemispherical；Width small 2mm of the diameter of stirring-head than weldering bakie 5；The length of stirring-head is than the first parts and second
The small 0.2mm of thickness of parts.
S8：Tack welding is carried out to the first parts and the second parts.
S9：First parts and the second parts are stirred with friction welding (FW) and then complete welding acquisition weldment.
S10：Weldment is disassembled, the back to weldment is polished；After the completion of polishing, heat is carried out to weldment
Treatment；After the completion of heat treatment, the weld seam to weldment carries out X-ray detection and ultrasound detection.
The final weldquality for obtaining weldment is reliable and stable, and weld seam does not find defect through X-ray and ultrasound detection, cuts
The metallographic structure of welding point is taken, there is no lack of penetration and inclusion defect.
Embodiment two
Referring to accompanying drawing 3 and 4, the bottom surface of the first parts and the second parts is plane；The friction stir welding method bag
Include：
S1：Welding tooling is fixed on welding bench.
S2：Composition backing 3 is fixed on welding tooling；The boss of the bottom of composition backing 3 inserts the groove of welding tooling.
The top surface of composition backing 3 is the plane adaptable with the bottom shape of the first parts and the second parts；The top of composition backing 3
The weldering bakie 5 of the centrally disposed arc in face.Weld the arc width 3mm more long than arc diameter in the section of bakie 5.
S3：The top of the first folded plate is compressed by pressing plate, auxiliary positioning block 2 is fixed on composition backing 3；Auxiliary positioning
The top surface of composition backing 3 is close in the bottom surface of the first folded plate of block 2, and the side of composition backing 3, first are close in the side of the second folded plate
The end face of folded plate is coplanar with the center line of weldering bakie 5.
S4：The top of the first parts is compressed by pressing plate, the first parts is fixed on composition backing 3；One zero
Part just to the end face of the first folded plate, and the parallel weldering bakie 5 of solder side of the first parts center line.
S5：Remove pressing plate and remove auxiliary positioning block 2.
S6：The top of the second parts is compressed by pressing plate, the second parts is fixed on composition backing 3；2nd 0
The center line of the parallel weldering bakie 5 of the solder side of part, the solder side and the first parts of the second parts are detected by clearance gauge
The spacing of solder side, makes the spacing of the solder side of the solder side of the second parts and the first parts for 0.35mm, local maxima
Spacing is 0.5mm.
S7：By stirring-head clamping on the chuck 1 of stirring welding equipment, the center line of the axis of stirring-head and weldering bakie 5
The angle of the vertical plane at place is 2.8 °.Stirring-head stretches into the gap between the first parts and the second parts；Stirring-head
End face is hemispherical；Width small 4mm of the diameter of stirring-head than weldering bakie 5；The length of stirring-head is than the first parts and second
The small 0.1mm of thickness of parts.
S8：Tack welding is carried out to the first parts and the second parts.
S9：First parts and the second parts are stirred with friction welding (FW) and then complete welding acquisition weldment.
S10：Weldment is disassembled, the back to weldment is polished；After the completion of polishing, heat is carried out to weldment
Treatment；After the completion of heat treatment, the weld seam to weldment carries out X-ray detection and ultrasound detection.
The final weldquality for obtaining weldment is reliable and stable, and weld seam does not find defect through X-ray and ultrasound detection, cuts
The metallographic structure of welding point is taken, there is no lack of penetration and inclusion defect.
One or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage：
Positioned and fixed as a result of composition backing 3 and 2 pairs of the first parts of auxiliary positioning block, then to second
Parts are positioned and fixed, it is ensured that the first parts and the second position components are accurate, by the top of composition backing 3
The end face of stirring-head is simultaneously arranged to arcwall face by the centrally disposed weldering bakie 5 in face, part is directly polished weldment after welding
The weldering leakage at back, thickeies without mother metal back, improves stock utilization.So, efficiently solve in the prior art using mother
Material back thickeies is welded, and has that utilization rate of raw materials is low, the technical problem of high processing costs, realizes guarantee welding matter
Amount, the technique effect for improving utilization rate of raw materials, saving welding cost, improving processing efficiency.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not limited to this hair
Bright, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of friction stir welding method, for the butt welding of the first parts and the second parts；Characterized in that, bag
Include：
Welding tooling is fixed on welding bench；
Composition backing is fixed on the welding tooling；The composition backing is provided with and first parts and described
The adaptable top surface of the bottom shape of two parts；The end face center of the composition backing sets weldering bakie；
Auxiliary positioning block is fixed on the composition backing；The auxiliary positioning block includes the first folded plate and the second folded plate；Institute
It is close to the top surface of the composition backing, the end face of first folded plate and the center line for welding bakie in the bottom surface for stating the first folded plate
It is coplanar；It is close to the side of the composition backing in the side of second folded plate；
First parts are fixed on the composition backing；The parallel weldering bakie of solder side of first parts
Center line；
The auxiliary positioning block is removed；
Second parts are fixed on the composition backing；The parallel weldering bakie of solder side of second parts
Center line；
By stirring-head clamping on the chuck of stirring welding equipment；The stirring-head stretches into first parts and described second
Gap between parts；The end face of the stirring-head is arc；
Tack welding is carried out to first parts and second parts；
First parts and second parts are stirred with friction welding (FW) and then complete welding acquisition weldment.
2. friction stir welding method as claimed in claim 1, it is characterised in that
The groove being engaged with the boss of the composition backing bottom is provided with the top of the welding tooling；
The boss inserts the groove, the composition backing is fixed on the welding tooling.
3. friction stir welding method as claimed in claim 1, it is characterised in that
The weldering bakie is deep-slotted chip breaker；
Arc width 2~the 4mm more long than arc diameter in the section of the weldering bakie；
The both sides of the deep-slotted chip breaker set chamfering with the top surface of the composition backing.
4. friction stir welding method as claimed in claim 1, it is characterised in that
The top of first folded plate is compressed by pressing plate, the auxiliary positioning block is fixed on the composition backing；
The top of first parts is compressed by pressing plate, first parts is fixed on the composition backing；
The top of second parts is compressed by pressing plate, second parts is fixed on the composition backing.
5. friction stir welding method as claimed in claim 1, it is characterised in that
After second parts are fixed on the composition backing, solder side and the institute of second parts are detected by clearance gauge
The spacing of the solder side of the first parts is stated, makes the solder side of second parts and the solder side of first parts
Spacing is not more than 0.5mm.
6. friction stir welding method as claimed in claim 1, it is characterised in that
Width of the diameter of the stirring-head less than the weldering bakie；
The length of the stirring-head is less than first parts and the thickness of second parts.
7. friction stir welding method as claimed in claim 1, it is characterised in that
Before carrying out tack welding to first parts and second parts, first parts and described the are cleared up
The solder side of two parts；
After the completion of cleaning, the solder side of first parts and second parts is wiped by alcohol or acetone.
8. friction stir welding method as claimed in claim 1, it is characterised in that
By stirring-head clamping after the chuck for stirring welding equipment, the center line institute of the axis of the stirring-head and the weldering bakie
The angle of vertical plane be 2.5 °~3 °.
9. friction stir welding method as claimed in claim 1, it is characterised in that
The bottom surface of first parts is arcwall face or plane；
The bottom surface of second parts is arcwall face or plane.
10. friction stir welding method as claimed in claim 1, it is characterised in that
After completing welding, the back to the weldment is polished；
After the completion of polishing, the weldment is heat-treated；
After the completion of heat treatment, the weld seam to the weldment carries out Non-Destructive Testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002018.9A CN106825904B (en) | 2017-01-03 | 2017-01-03 | A kind of friction stir welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002018.9A CN106825904B (en) | 2017-01-03 | 2017-01-03 | A kind of friction stir welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106825904A true CN106825904A (en) | 2017-06-13 |
| CN106825904B CN106825904B (en) | 2019-02-15 |
Family
ID=59118326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710002018.9A Active CN106825904B (en) | 2017-01-03 | 2017-01-03 | A kind of friction stir welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106825904B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581175A (en) * | 2018-04-24 | 2018-09-28 | 辽宁忠旺铝合金精深加工有限公司 | A kind of aluminum alloy stirring friction welding method with melting welding tack weld |
| CN112475749A (en) * | 2020-12-14 | 2021-03-12 | 湖南联诚轨道装备有限公司 | Welding processing method for traction beam of railway vehicle |
| CN113210836A (en) * | 2021-06-09 | 2021-08-06 | 四川航天长征装备制造有限公司 | Weak-bonding-free friction stir welding method for long straight longitudinal seam of aluminum alloy medium-thickness plate cylinder section |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001074525A1 (en) * | 2000-04-04 | 2001-10-11 | The Boeing Company | Friction stir welding backing member and method of using same |
| CN202780226U (en) * | 2012-06-25 | 2013-03-13 | 湖北三江航天红阳机电有限公司 | Aluminium alloy fuel tank friction stir welding fixing device |
| CN104439686A (en) * | 2014-11-13 | 2015-03-25 | 首都航天机械公司 | Friction stir welding method for lock bottom circular seam of carrier rocket storage tank |
| CN104985321A (en) * | 2015-07-16 | 2015-10-21 | 辽宁石油化工大学 | Manually-operated stirring friction welding device and method |
| CN105033445A (en) * | 2015-08-27 | 2015-11-11 | 宁波金凤焊割机械制造有限公司 | Auxiliary friction stir welding positioning device of cylindrical workpiece |
| CN204771126U (en) * | 2015-07-02 | 2015-11-18 | 长春日轻轨道客车装备有限公司 | Horizontal rapid clamping device of friction stir welding weld workpiece |
-
2017
- 2017-01-03 CN CN201710002018.9A patent/CN106825904B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001074525A1 (en) * | 2000-04-04 | 2001-10-11 | The Boeing Company | Friction stir welding backing member and method of using same |
| CN202780226U (en) * | 2012-06-25 | 2013-03-13 | 湖北三江航天红阳机电有限公司 | Aluminium alloy fuel tank friction stir welding fixing device |
| CN104439686A (en) * | 2014-11-13 | 2015-03-25 | 首都航天机械公司 | Friction stir welding method for lock bottom circular seam of carrier rocket storage tank |
| CN204771126U (en) * | 2015-07-02 | 2015-11-18 | 长春日轻轨道客车装备有限公司 | Horizontal rapid clamping device of friction stir welding weld workpiece |
| CN104985321A (en) * | 2015-07-16 | 2015-10-21 | 辽宁石油化工大学 | Manually-operated stirring friction welding device and method |
| CN105033445A (en) * | 2015-08-27 | 2015-11-11 | 宁波金凤焊割机械制造有限公司 | Auxiliary friction stir welding positioning device of cylindrical workpiece |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581175A (en) * | 2018-04-24 | 2018-09-28 | 辽宁忠旺铝合金精深加工有限公司 | A kind of aluminum alloy stirring friction welding method with melting welding tack weld |
| CN112475749A (en) * | 2020-12-14 | 2021-03-12 | 湖南联诚轨道装备有限公司 | Welding processing method for traction beam of railway vehicle |
| CN112475749B (en) * | 2020-12-14 | 2022-07-05 | 湖南联诚轨道装备有限公司 | Welding processing method for traction beam of railway vehicle |
| CN113210836A (en) * | 2021-06-09 | 2021-08-06 | 四川航天长征装备制造有限公司 | Weak-bonding-free friction stir welding method for long straight longitudinal seam of aluminum alloy medium-thickness plate cylinder section |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106825904B (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102581473B (en) | Ultrasonic assisted semi-solid friction stir welding method applicable to connection of particle reinforced aluminum matrix composite | |
| CN105834608B (en) | A kind of method for synchronously realizing aluminium and magnesium foreign material friction stir spot welding soldering diffusion welding (DW) | |
| CN106825904A (en) | A kind of friction stir welding method | |
| CN102581471B (en) | Ultrasonic assisted semi-solid friction stir welding method using fixed shaft shoulder and rotary stirring pin | |
| CN106271069A (en) | A kind of rustless steel and the method for laser welding of aluminium alloy | |
| WO2020082537A1 (en) | Friction stir welding device capable of realizing weld thickening and method therefor | |
| CN108620762B (en) | Method for improving quality of Al-Cu dissimilar metal friction stir welding butt joint | |
| CN102873454A (en) | Welding method for multi-layer metal strip | |
| CN201773040U (en) | Original state steel plate/weld joint shearing test fixture | |
| CN106513981A (en) | Special backing plate for friction-stir welding and welding method adopting backing plate | |
| CN103894726A (en) | Friction stir welding method capable of achieving back thickening to eliminate weak connection and adapting to plate thickness changes | |
| CN103447685A (en) | Friction stir welding process method capable of eliminating surface recesses with arc line features | |
| CN108284272A (en) | A method of eliminating agitating friction weldering incomplete root penetration and Weak link | |
| CN102494998A (en) | Method for measuring combination strength of aluminum film of film aluminum steel composite board and steel substrate | |
| CN108838509A (en) | A kind of plug nail type titanium alloy plate friction stir spot welding method | |
| CN203929532U (en) | A kind of jointing testing device for shear strength | |
| CN109590600A (en) | A method of realizing friction-stir tool and its auxiliary titanium alloy low temperature diffusion connection of metal surface crystal grain refinement | |
| CN101934426B (en) | Method for improving plasticity of underwater stir friction welding joint | |
| CN112975130A (en) | Welding process of aluminum alloy, copper alloy and nickel-plated copper for lithium battery tab | |
| CN211602685U (en) | Clamp for cross stretching of welding spots | |
| CN108372359A (en) | A kind of friction stir welding method for eliminating weld seam Reducing thickness using additional t plate | |
| CN109333102A (en) | A kind of numerical control part milling processing clamping method | |
| CN110014238B (en) | Welding method for sheet type flexible connection joint | |
| CN105108324A (en) | Metal-plate butt welding test system and method based on friction stir welding | |
| CN110216367A (en) | A method of it improving aluminium alloy and backfills formula friction stir spot plumb joint obdurability |
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 |