CN108555434A - Agitating friction welder applied to numerically-controlled machine tool - Google Patents
Agitating friction welder applied to numerically-controlled machine tool Download PDFInfo
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- CN108555434A CN108555434A CN201810561208.9A CN201810561208A CN108555434A CN 108555434 A CN108555434 A CN 108555434A CN 201810561208 A CN201810561208 A CN 201810561208A CN 108555434 A CN108555434 A CN 108555434A
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- 238000003466 welding Methods 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 13
- 239000012212 insulator Substances 0.000 claims description 11
- 238000003801 milling Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims 1
- 238000004021 metal welding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- B23K20/122—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 using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—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 using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
Abstract
The present invention relates to a kind of agitating friction welders applied to numerically-controlled machine tool, belong to metal welding techniques field.Locating module is mounted on clamp module and plays positioning, clamping action jointly with clamp module；Welding job module is installed on main shaft of numerical control machine tool to realize that rotation and linear motion, drive module drive clamp module movement；Direct current load-on module is located in welding job module, and magnetic field load-on module is installed on welding job module with clamp module, finally realizes the welding of weldment.Advantage is：Structure novel, it is simply, versatile, it is swift in response.The thin plate of solderable difference size and thickness size；Coordinate the solderable weld seam of different shapes of numerically-controlled machine tool, and meet in welding process, welding direction and horizontal plane are always at 2 ° of inclination angles, to meet the sufficient mobility of weld material.The load of short distance larger current and magnetic field load may be implemented so that Weld Performance is more excellent.
Description
Technical field
The present invention relates to metal welding techniques field, more particularly to a kind of agitating friction weldering applied to numerically-controlled machine tool is hinged with
It sets.The thin plate of the present invention solderable different sizes and thickness size；Coordinate the solderable weld seam of different shapes of numerically-controlled machine tool, and
Meet in welding process, welding direction and horizontal plane are always at 2 ° of inclination angles, to meet the sufficient mobility of weld material；The present invention
The load of short distance larger current and magnetic field load may be implemented so that Weld Performance is more excellent.
Background technology
Since 1991 Britain's institute of welding invent it is a kind of for aluminium alloy exploitation advanced solid phase joining technique-stir
Since mixing friction welding (FW), because it is compared with traditional welding, have the characteristics that efficient, energy consumption is small, deformation is small, pollution-free, by wide
General concern.It is higher to the performance requirement of stirring-head but since some materials with high melting point have higher intensity and hardness,
There are still residual stress, hole defect, the poor problems of weldability for welding point simultaneously.
In stirring friction-welding technique, heats the heat needed for metal and be mainly derived from the stirring-head shaft shoulder and weldment upper table
Friction between face, single heating means are extremely difficult to the temperature needed for refractory metal plastic deformation, the requirement to lathe
Also it relatively heightens.Therefore, Aided Physical field is introduced in metal material especially materials with high melting point agitating friction weldering, not only favorably
In appearance of weld, and soldering set abrasion can be reduced, improve soldering set service life.
In existing agitating friction welder, the presence of small-sized friction stir weld device can only weld single shape or rule
The shortcomings that setting shape weldment, and existing small-sized agitating friction welder is difficult to meet to weld while the weld seam of function admirable
Connect requirement of different shapes.
Invention content
The purpose of the present invention is to provide a kind of agitating friction welders applied to numerically-controlled machine tool, solve existing skill
The above problem existing for art.The thin plate of the present invention solderable different sizes and thickness size；Coordinate the solderable difference of CNC milling machine
The weld seam of shape, and meet in welding process, welding direction and 2 ° of inclination angles of horizontal plane are adequately flowed with meeting weld material
Property；The load of short distance high current and magnetic field load may be implemented in the present apparatus so that Weld Performance is more excellent.Structure of the invention
Novelty, it is simply, versatile, it is swift in response, time and expense can be saved, realize mass production.Abundant material can be carried out
Expect performance test.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
Applied to the agitating friction welder of numerically-controlled machine tool, including welding job module, clamp module, locating module, driving
Module, direct current load-on module and magnetic field load-on module.This device characteristic is：Locating module is installed on clamp module and folder
Tight module plays the role of positioning, clamping jointly；Welding job module is installed on numerically-controlled machine tool, is driven by main shaft of numerical control machine tool
Realize rotation and linear motion, while drive module driving clamp module realizes that vacuum fixture welding bench 19 carries 2 ° of inclinations always
The rotary motion of angle, the two ensure that the abundant mobility under weld seam arbitrary shape；Direct current load-on module is located at Welder
Make in module, magnetic field load-on module is installed on welding job module with clamp module, finally realizes the welding of weldment.
The welding job module is：Shaft shoulder body 34 carries circular radiating slot 35, and annular fixture block 29 is minimum by shaft shoulder body
Internal diameter is positioned, while being fixed by threaded hole；The cooperation stirring needle body protrusion of annular fixture block 29 fixture block 27 constitutes difference
The stirring body of mixing needle height, so as to weldment of the throat thickness between 2mm-5mm；The direction of rotation of stirring body and annular fixture block
29 protrusion directions are consistent；Stirring body internal structure is locked by clamping screw 25；28 top of insulator is fixed by screws in
On milling machine, lower end is coordinated by screw thread and annular cooling body 33, and 31 external screw thread of connector is connect with 28 screw-internal thread fit of insulator,
Connector 31 is connect with shaft shoulder body 34 by bearing II 30.
The clamp module is：Vacuum fixture welding bench 19 is connect by pin 9 with vacuum fixture fixed station 18, by
Air flow guide groove 21 and airflow hole I, II 15,20 form, and gas passes in and out vacuum fixture welding bench 19 by airflow hole I, II 15,20
The cavity formed between vacuum fixture fixed station 18；Vacuum fixture fixed station 18 passes through lateral 16 positioning vacuum fixture of slideway
Welding bench 19, vacuum fixture welding bench 19 are completely embedded by screw and vacuum fixture fixed station 18.
The drive module is：Servo motor 3 drives folder by worm gear I, II 7,24, I, II 5,23 deceleration torque of worm screw
Tight module is rotated, wherein servo motor 3 is connect with motor flange 4, is bolted on rotary support table 10
On.Worm gear I 7 is connected to worm screw II 23 on same axis 6, and axis 6 is positioned at the bearing hole of rotary support table 10 by bearing I 8
In 11；Lubrication groove 13, ring-shaped guide rail 14 and locating slot 12 are provided on rotary support table 10, annular slide 22 is by screw and very
Empty fixture fixed station 18 connects, and annular slide 22 drives clamp module to rotate along ring-shaped guide rail；10 band of rotary support table
There are 2 ° of inclination angles, the vacuum fixture welding bench 19 rotated with welding process fully ensures that always with horizontal plane at 2 ° of inclination angles
The mobility of weld material enhances the performance of weld seam.
The locating module is locating piece 2, and attachment screw is locked on vacuum fixture welding bench 19, porous knot thereon
Structure is for welding various sizes of weldment.
The direct current load-on module includes DC electrode hole 1 and conductive briquetting 32, and the DC electrode is installed on directly
It flows in electrode hole 1 and applies electric current for device, conductive briquetting 32 is connect by screw-thread fit with annular cooling body 33, by changing spiral shell
Line tightens degree to adjust the compression degree of conductive briquetting 32；Annular cooling body 33 is insulator 28, connector 31 and conductive pressure
Block 32 cools down, to prevent its failure.Conductive briquetting 32 reduces the distance for being applied to electric current on weldment so that the electricity between weld seam
Current density enhances.
The magnetic field load-on module includes the annular permanent magnet 37 being fixed on stirring needle body 36 and is fixed on vacuum clip
Has the rectangular permanent magnet composition in fixed station groove 17, the elasticity gear magnetic sheet 26 being installed on shaft shoulder body 34 prevents magnetic field for number
The influence for controlling milling machine, ensures the normal work of CNC milling machine.
The beneficial effects of the present invention are：It is structure novel, simple, it is versatile, it is swift in response, time and expense can be saved
With realization mass production.The thin plate of solderable difference size and thickness size；Coordinate CNC milling machine solderable of different shapes
Weld seam, and meet in welding process, welding direction and 2 ° of inclination angles of horizontal plane, to meet the sufficient mobility of weld material.It can
To realize the load of short distance high current and magnetic field load so that Weld Performance is more excellent.It is highly practical.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative example and its explanation is not constituted improper limitations of the present invention for explaining the present invention.
Fig. 1 is the overall structure surface structure schematic diagram of the present invention；
Fig. 2 is the surface structure schematic diagram of the rotary support table of the present invention；
Fig. 3 is the vacuum fixture fixed station surface structure schematic diagram of the present invention；
Fig. 4 is the vacuum fixture welding bench surface structure schematic diagram of the present invention；
Fig. 5 is the drive module part attachment structure schematic diagram of the present invention；
Fig. 6 is the stirring body surface structure schematic diagram of the present invention；
Fig. 7 is the mixing needle body surface structure schematic diagram of the present invention；
Fig. 8 is the conducting block surface structure schematic diagram of the present invention；
Fig. 9 is the welding job module sectional view of the present invention.
In figure：1, DC electrode hole；2, locating piece；3, servo motor；4, motor flange；5, worm screw I；6, worm gear shaft；7、
Worm gear I；8, bearing I；9, pin；10, rotary support table；11, bearing hole；12, locating slot；13, lubrication groove；14, ring-shaped guide rail；
15, airflow hole I；16, slideway；17, vacuum fixture fixed station groove；18, vacuum fixture fixed station；19, vacuum fixture welding bench；
20, airflow hole II；21, air flow guide groove；22, annular slide；23, worm screw II；24, worm gear II；25, clamping screw；26, elastic
Keep off magnetic sheet；27, needle body protrusion fixture block is stirred；28, insulator；29, annular fixture block；30, bearing II；31, connector；32, conductive
Briquetting；33, annular cooling body；34, shaft shoulder body；35, radiating groove；36, needle body is stirred；37, annular permanent magnet.
Specific implementation mode
The detailed content and its specific implementation mode further illustrated the present invention below in conjunction with the accompanying drawings.
Shown in Fig. 1 to Fig. 9, the electromagnetism applied to numerically-controlled machine tool of the invention assists agitating friction device, including weldering
Connect operational module, clamp module, locating module, drive module, direct current load-on module and magnetic field load-on module, this device characteristic
It is：Locating module is installed on clamp module plays the role of positioning, clamping with clamp module jointly；Welding job module is pacified
Loaded on numerically-controlled machine tool, is driven by main shaft of numerical control machine tool and realize rotation and linear motion, while drive module drives clamp module
Realize that vacuum fixture welding bench 19 carries the rotary motion at 2 ° of angles of inclination always, the two ensure that filling under weld seam arbitrary shape
Divide mobility；Direct current load-on module is located in welding job module, and magnetic field load-on module is installed on welding job module and folder
In tight module, the final welding for realizing weldment.
The welding job module includes stirring needle body 36, shaft shoulder body 34, insulator 28, annular cooling body 33, connector
31 carry circular radiating slot 35 with annular fixture block 29, shaft shoulder body 34, and for dissipating in time, annular permanent magnet 37 is brought to shaft shoulder body
Waste heat, prevent shaft shoulder body 34 fail.Annular fixture block 29 is positioned by shaft shoulder body minimum diameter, while passing through screw thread
Hole is fixed；The cooperation stirring needle body protrusion of annular fixture block 29 fixture block 27 constitutes the stirring body of different mixing needle height, to weld
Connect weldment of the thickness between 2mm-5mm；The direction of rotation of stirring body is consistent with annular 29 protrusion direction of fixture block；Pass through locking screw
Bolt 25 locks stirring body internal structure；Wrapped with insulation is clamped at the top of shaft shoulder body by fraise jig simultaneously and carries out work
Make.28 top of insulator is fixed by screws on milling machine, and lower end is coordinated by screw thread and annular cooling body 33, annular cooling body
33 cooling down to direct current load-on module.31 external screw thread of connector is connect with 28 screw-internal thread fit of insulator, connector
31 are connect with shaft shoulder body 34 by bearing II 30.
The clamp module includes vacuum fixture welding bench 19, vacuum fixture fixed station 18, elevated-temperature seal item, vacuum clip
Tool welding bench 19 is connect by pin 9 with vacuum fixture fixed station 18, by air flow guide groove 21 and airflow hole I, II 15,20 groups
At gas passes in and out the sky formed between vacuum fixture welding bench 19 and vacuum fixture fixed station 18 by airflow hole I, II 15,20
Chamber；Vacuum fixture welding bench 19 increases the contact area of weldment and workbench while ensureing that gas fully flows, with
Increase clamping force of the clamp body to weldment.Vacuum fixture fixed station 18 passes through lateral 16 positioning vacuum fixture welding bench of slideway
19, while to be replaced in time when vacuum fixture welding bench 19 fails.Vacuum fixture welding bench 19 passes through screw and vacuum clip
Tool fixed station 18 is completely embedded, and prevents gas from leaking.
The drive module includes servo motor 3, worm gear I, II 7,24, worm screw I, II 5,23, rotary support table 10, electricity
Machine flange 4 and annular slide 22, servo motor 3 drive clamping die by worm gear I, II 7,24, I, II 5,23 deceleration torque of worm screw
Block is rotated, wherein servo motor 3 is connect with motor flange 4, is bolted on rotary support table 10.Snail
It takes turns I 7 to be connected on same axis 6 with worm screw II 23, axis 6 is positioned at by bearing I 8 in the bearing hole 11 of rotary support table 10；
Lubrication groove 13, ring-shaped guide rail 14 and locating slot 12 are provided on rotary support table 10, annular slide 22 passes through screw and vacuum clip
Have fixed station 18 to connect, annular slide 22 drives clamp module to rotate along ring-shaped guide rail；Rotary support table 10 carries 2 °
Inclination angle, the vacuum fixture welding bench 19 rotated with welding process have fully ensured that weld seam always with horizontal plane at 2 ° of inclination angles
The mobility of material enhances the performance of weld seam.
The locating module is locating piece 2, and attachment screw is locked on vacuum fixture welding bench 19, porous knot thereon
Structure is for welding various sizes of weldment.
The direct current load-on module includes DC electrode hole 1 and conductive briquetting 32, and the DC electrode is installed on directly
It flows in electrode hole 1 and applies electric current for device, conductive briquetting 32 is connect by screw-thread fit with annular cooling body 33, by changing spiral shell
Line tightens degree to adjust the compression degree of conductive briquetting 32；Annular cooling body 33 is insulator 28, connector 31 and conductive pressure
Block 32 cools down, to prevent its failure.Conductive briquetting 32 reduces the distance for being applied to electric current on weldment so that the electricity between weld seam
Current density enhances.
The magnetic field load-on module includes the annular permanent magnet 37 being fixed on stirring needle body 36 and is fixed on vacuum clip
Has the rectangular permanent magnet composition in fixed station groove 17, the elasticity gear magnetic sheet 26 being installed on shaft shoulder body 34 prevents magnetic field for number
The influence for controlling milling machine, ensures the normal work of CNC milling machine.
Shown in Fig. 1 to Fig. 9, test specimen is placed on vacuum fixture welding bench 19, by adjusting consolidating for 2 bolt of locating piece
Positioning is set to be adjusted to the position of weldment；Next the air flow guide groove 21 not covered is sealed with sealing strip, and led to
It crosses space of the airflow hole I between vacuum fixture welding bench 19 and vacuum fixture fixed station 18 and carries out vacuumize process, to reach
The purpose that weldment is clamped in advance.It is driven by servo motor 3, two pairs of worm gears I, II 7,24, I, II 5,23 deceleration torque of worm screw, from
And the rotary support table 10 with 2 ° of angles of inclination is driven to rotate, in combination with the weldering being installed on main shaft of numerical control machine tool
X-axis, Y-axis and the Z axis movement for connecing operational module weld not similar shape to realize while guarantee weld material abundant mobility
The weld seam of shape.
The foregoing is merely the preferred embodiments of the present invention, are not intended to restrict the invention, for the technology of this field
For personnel, the invention may be variously modified and varied.All any modification, equivalent substitution, improvement and etc. made for the present invention,
It should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of agitating friction welder applied to numerically-controlled machine tool, it is characterised in that：Including welding job module, clamping die
Block, locating module, drive module, direct current load-on module and magnetic field load-on module, it is characterised in that：Locating module is mounted on folder
Play the role of positioning, clamping jointly with clamp module in tight module；Welding job module is installed on numerically-controlled machine tool, by numerical control
Rotation and linear motion are realized in machine tool chief axis driving, while drive module driving clamp module realizes vacuum fixture welding bench（19）
Always the rotary motion at 2 ° of angles of inclination is carried, the two ensure that the abundant mobility under weld seam arbitrary shape；Direct current loads
Module is located in welding job module, and magnetic field load-on module is installed on welding job module with clamp module, and final realize is welded
The welding of part；The welding job module is：Shaft shoulder body（34）With circular radiating slot（35）, annular fixture block（29）Pass through the shaft shoulder
Body minimum diameter is positioned, while being fixed by threaded hole；Annular fixture block（29）Cooperation stirring needle body protrusion fixture block
（27）The stirring body for constituting different mixing needle height, so as to weldment of the throat thickness between 2mm-5mm；The rotation side of stirring body
To with annular fixture block（29）Protrusion direction is consistent；Pass through clamping screw（25）Stirring body internal structure is locked；Insulator（28）
Top is fixed by screws on milling machine, and lower end passes through screw thread and annular cooling body（33）Cooperation, connector（31）External screw thread with
Insulator（28）Screw-internal thread fit connects, connector（31）With shaft shoulder body（34）Pass through bearing II（30）Connection.
2. the electromagnetism according to claim 1 applied to numerically-controlled machine tool assists agitating friction device, it is characterised in that：It is described
Clamp module be：Vacuum fixture welding bench（19）Pass through pin（9）With vacuum fixture fixed station（18）Connection, is led by air-flow
To slot（21）With airflow hole I, II（15、20）Composition, gas pass through airflow hole I, II（15、20）Pass in and out vacuum fixture welding bench
（19）With vacuum fixture fixed station（18）Between the cavity that is formed；Vacuum fixture fixed station（18）Pass through lateral slideway（16）It is fixed
Position vacuum fixture welding bench（19）, vacuum fixture welding bench（19）Pass through screw and vacuum fixture fixed station（18）It is completely embedded.
3. the electromagnetism according to claim 1 applied to numerically-controlled machine tool assists agitating friction device, it is characterised in that：It is described
Drive module be：Servo motor（3）Pass through worm gear I, II（7、24）, worm screw I, II（5、23）Deceleration torque drives clamp module
It is rotated, wherein servo motor（3）With motor flange（4）Connection, is bolted on rotary support table（10）
On;Worm gear I（7）With worm screw II（23）It is connected to same axis（6）On, axis（6）Pass through bearing I（8）It is positioned at rotary support table
（10）Bearing hole（11）It is interior；Rotary support table（10）On be provided with lubrication groove（13）, ring-shaped guide rail（14）And locating slot（12）,
Annular slide（22）Pass through screw and vacuum fixture fixed station（18）Connection, annular slide（22）Clamp module is driven to be led along annular
Rail rotates；Rotary support table（10）With 2 ° of inclination angles, the vacuum fixture welding bench that is rotated with welding process（19）
Always it has fully ensured that the mobility of weld material at 2 ° of inclination angles with horizontal plane, has enhanced the performance of weld seam.
4. the electromagnetism according to claim 1 applied to numerically-controlled machine tool assists agitating friction device, it is characterised in that：It is described
Locating module be locating piece（2）, attachment screw is locked at vacuum fixture welding bench（19）On, porous structure thereon is for welding
Connect various sizes of weldment.
5. the electromagnetism according to claim 1 applied to numerically-controlled machine tool assists agitating friction device, it is characterised in that：It is described
Direct current load-on module include DC electrode hole（1）With conductive briquetting（32）, the DC electrode is installed on cold positioned at annular
But body（33）On DC electrode hole（1）In for device apply electric current, conductive briquetting（32）It is cooled down by screw-thread fit and annular
Body（33）Connection tightens degree to adjust conductive briquetting by change screw thread（32）Compression degree；Annular cooling body（33）For
Insulator（28）, connector（31）With conductive briquetting（32）Cooling；Conductive briquetting（32）It reduces and is applied to electric current on weldment
Distance so that the current density enhancing between weld seam.
6. the electromagnetism according to claim 1 applied to numerically-controlled machine tool assists agitating friction device, it is characterised in that：It is described
Magnetic field load-on module include be fixed on stirring needle body（36）On annular permanent magnet（37）Be fixed on vacuum fixture fixed station
Groove（17）Interior rectangular permanent magnet composition, is installed on shaft shoulder body（34）On elasticity gear magnetic sheet（26）Prevent magnetic field for numerical control
The influence of milling machine ensures the normal work of CNC milling machine.
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| CN201810561208.9A CN108555434B (en) | 2018-06-04 | 2018-06-04 | Friction stir welding device applied to numerical control machine tool |
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|---|---|---|---|
| CN201810561208.9A CN108555434B (en) | 2018-06-04 | 2018-06-04 | Friction stir welding device applied to numerical control machine tool |
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| CN108555434B CN108555434B (en) | 2024-03-22 |
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| CN111660010A (en) * | 2020-05-26 | 2020-09-15 | 武汉肤尔医用科技有限公司 | Automatic bullet code printing device and code printing method |
| CN113263255A (en) * | 2021-06-16 | 2021-08-17 | 天津大学 | Friction stir welding electromagnetic force increasing device with internal force balancing mechanism and method |
| CN113953647A (en) * | 2021-11-18 | 2022-01-21 | 江苏科技大学 | Magnetization type stirring friction processing device and welding method thereof |
| CN113953646A (en) * | 2021-11-18 | 2022-01-21 | 江苏科技大学 | Magnetic field adjustable block rotating magnetic field auxiliary static shaft shoulder stirring friction device |
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