CN106624343A - Stirring friction welding tool and method for repairing keyhole defect through stirring friction welding tool - Google Patents
Stirring friction welding tool and method for repairing keyhole defect through stirring friction welding tool Download PDFInfo
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- CN106624343A CN106624343A CN201710057790.0A CN201710057790A CN106624343A CN 106624343 A CN106624343 A CN 106624343A CN 201710057790 A CN201710057790 A CN 201710057790A CN 106624343 A CN106624343 A CN 106624343A
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- stirring
- head
- shaft shoulder
- keyhole
- filling
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Classifications
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- 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
- B23K20/128—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 making use of additional material
-
- 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
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- 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
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a stirring friction welding tool. The surface of a stirring head shaft shoulder of a stirring head of the stirring friction welding tool is provided with a six-spiral-line groove. A stationary shaft shoulder is composed of four separable stationary shaft shoulder split bodies in a combined mode. The four stationary shaft shoulder split bodies are provided with ultrasonic vibration devices used cooperatively with the four stationary shaft shoulder split bodies correspondingly. Ultrasonic amplitude variation rods are connected with the upper surfaces of the stationary shaft shoulder split bodies. When a keyhole defect is repaired through the stirring friction welding tool, assisting is conducted through ultrasonic vibration, progressive type filling welding is conducted on a keyhole through the material at first, and filling welding is conducted through a filling piece finally. The stirring friction welding tool has the beneficial effects that the repair area grain size is refined; the repair interface metallurgical bonding and mechanical properties are good; the strength is high; the thickness is not reduced; material overflow is avoided; the stress concentration phenomenon is few; large-depth keyhole repairing can be achieved; and the application range is wide.
Description
Technical field
The present invention relates to metal welding, particularly a kind of friction stir welding tools and the side with soldering set reparation keyhole defect
Method.
Background technology
Agitating friction weldering as a kind of new Solid-phase welding method, with welding temperature is low, deformation and residual stress are little
And welding quality of weld joint it is high the advantages of, the fields such as Aero-Space, high ferro and ship have been widely used in.Welding process
In, the friction stir welding tools being made up of the shaft shoulder and mixing needle of particular design penetrate inside workpiece, produce with friction of workpiece
Raw frictional heat, makes material flow, and realizes the connection of workpiece to be welded.
In stir friction welding process, due to the presence of mixing needle, easily there is keyhole in the end of welding point and lack
Fall into, the keyhole defect can cause Weak link and stress concentration effect, greatly reduce the mechanical property of welding point, reduce welding
Quality, even results in welding workpiece and scraps when serious.
In addition, for the aluminium alloy and magnesium alloy cast part that are widely used in manufacturing now, in casting process not
Such as pore, the various casting flaws of loose, crackle can be produced with can avoiding, affect the matter of magnesium alloy or aluminium alloy cast structure
Amount, also results in foundry goods and scraps when serious.
Additionally, some hardwares can also produce in use various defects, it is same when serious to scrap.
The technical problem of its quality and service life is affected because of defect caused by different reasons for the said goods, to carry
The utilization rate of high material, save resources and the energy, the method and apparatus of many reparation drawbacks described above arises at the historic moment.
Above-mentioned volume flaw the best way is repaired at present exactly above-mentioned various volume flaws are first processed into into spoon
Hole defect, then takes agitating friction weldering to repair keyhole defect.
At present keyhole defect is repaired with agitating friction weldering, the stirring-head of the friction stir welding tools for using is generally tradition and stirs
Head is mixed, its stirring-head shoulder face (bottom surface) is plane, inner concave, or the groove with concentric circles.Use this stirring-head
It is stirred friction welding (FW) and repairs keyhole, arc stricture of vagina and overlap easily occurs in surface of the work, and be unfavorable for the good transfer of material, easily causes
Weld defect, causes surface quality to reduce.The method for repairing keyhole defect with this kind of friction stir welding tools has friction stir plug
Welding method, T-shaped filling block welding etc. in combination with needleless stirring-head.
The method and CN102500915A of electric arc preheating friction stir plug repair welding disclosed in CN101966621B patent documentations
The disclosed method for filling friction stir welding keyhole with needleless stirring-head using T-shaped filling block of patent documentation, is using similar
The mode of filling block carries out keyhole defect repair, is limited by sheet metal thickness, and with both approaches big heavy-gauge sheeting depth is difficult to
The reparation of big keyhole defect；Additionally, repairing interface easily produces metallurgical binding bad phenomenon, reduce property of welded joint.
The method for repairing and mending of aluminum alloy stirring friction welding hole defect disclosed in CN102861985A patent documentations and
Aluminum Alloy Friction Stir Welding defect-restoration method therefor disclosed in CN201410040662.1 patent documentations, is by digging to defect
Arrange, reuse MIG weldering fillings, finally repair defect with agitating friction weldering.The shortcoming of both approaches is, agitating friction postwelding meeting
There is new keyhole defect, be not inherently eliminated volume flaw.
The disclosed method for repairing crack based on agitating friction of CN103212778A patent documentations, is simply stirred using needleless
Head repairs the defect of metal material near surface, fails to realize the repairing along sheet material depth direction, and workpiece repairs area and thickness occurs
Degree thinning phenomenon, causes stress concentration, joint anti-fatigue life to reduce.
The content of the invention
To solve the problems, such as that above-mentioned existing agitating friction weldering repairs keyhole defect, the present invention provides one kind and can make reparation
The refinement of area crystallite dimension, metallurgical binding and mechanical property are good, intensity is high, thickness is not thinning, overflow without material, stress concentration is few and
Friction stir welding tools applied widely and the method for repairing keyhole defect with the soldering set.
The friction stir welding tools that the present invention is provided, including stirring-head and the static shaft shoulder with stirring-head cooperation；It is described to stir
Mixing the stirring-head shoulder face of head has six spiral line grooves；The static shaft shoulder is enclosed within stirring-head and detachable by four
Static shaft shoulder Split assembled is formed, the internal diameter 0.1～0.3mm bigger than the diameter of the stirring-head shaft shoulder of the static shaft shoulder, the static shaft shoulder
External diameter 5～10mm bigger than internal diameter；Four static shaft shoulder splits have respectively the ultrasonic vibration installation used cooperatively with it, supersonic vibration
Device is made up of supersonic generator, ultrasonic transducer and ultrasonic amplitude transformer, the upper table of ultrasonic amplitude transformer and static shaft shoulder split
Face contacts.
The method for repairing keyhole defect with above-mentioned friction stir welding tools, comprises the following steps：
Step 1, the workpiece level to be repaired with keyhole is placed on the table, and fixed.
Step 2, take step-feeding filling to repair weldering mode, first determine that the series of weldering is repaired in filling according to the size of keyhole；
The ultrasonic technique parameter of ultrasonic vibration installation is chosen according to the difference of workpiece material and the size for repairing keyhole, selection range is,
Power is 600～2000W, and amplitude is 15～55 μm, and frequency is 20kHz～60kHz.
Step 3 then as follows using material around keyhole keyhole is carried out step-feeding filling weldering
One-level filling weldering：
Friction stir welding tools are using the stirring-head shaft shoulder diameter stirring-head more bigger than keyhole upper end diameter and matching
The static shaft shoulder；Four of the static shaft shoulder static shaft shoulder splits are enclosed within stirring-head；Then stirring-head is made with 50～10000
Rev/min rotating speed and the speed that pushes of 0.1～10mm/ point penetrate keyhole certain depth, fill the plastifying material around keyhole
To in the cavity between keyhole bottom and stirring-head；The lower bundle depth of stirring-head determines that stirring-head reaches according to equal-volume principle
It is determined that lower bundle depth when stop it is lower prick, now make the static shaft shoulder contact with the surface of workpiece (sheet material), but do not rotate；Open
Four ultrasonic vibration installations, adjust ultrasonic amplitude transformer and the angle of static shoulder face, vibrating effect is reached most preferably；Stirring-head
Stop continuing to rotate 1～100 second after lower bundle, make the packing material Plastic Flow of stirring-head bottom, realize with the interface of fill area
Metallurgical binding；Then stirring-head and the static shaft shoulder are recalled together, completes the one-level filling weldering of keyhole.
One-level filling postwelding is completed, friction stir welding tools is used instead stirring-head shaft shoulder diameter than stirring used by one-level filling weldering
The stirring-head and the matching static shaft shoulder of the big 1～3mm of stirring-head shaft shoulder diameter of head are mixed, by with one-level filling identical is welded
Method carries out two grades of filling welderings to keyhole；
Two grades of filling postweldings are completed, friction stir welding tools is used instead stirring-head shaft shoulder diameter than stirring used by two grades of filling welderings
The stirring-head of the big 1～3mm of stirring-head shaft shoulder diameter and the static shaft shoulder of prefabricated matching for mixing head welds identical by with one-level filling
Method carries out three-level filling weldering to keyhole.
By that analogy, the multistage filling weldering set to keyhole using material around keyhole is completed；
Step 4, the multistage filling postwelding that material around above-mentioned utilization keyhole determines to keyhole is completed, it is former according to constancy of volume
Reason, in the circular aperture that keyhole top occurs that depth is shallower, is relatively large in diameter, now first with size it is identical with the aperture,
Material fills the aperture with workpiece identical circle filler piece；Then friction stir welding tools are used instead stirring-head shaft shoulder diameter ratio
The stirring-head and the matching static shaft shoulder of the big 1～5mm in the aperture aperture, enters under ultrasonic vibration installation auxiliary to the aperture
Row filling weldering：Make stirring-head and rotated with 50～10000 revs/min of rotating speed and lower bundle, under lower bundle depth stops when reaching 0.1mm
Prick, the end face for making the static shaft shoulder contact with workpiece surface, stop the rotation after stirring-head continuation 1～100s of rotation, then with 1～
100mm/ point of speed is moved along the upper table of workpiece together with the static shaft shoulder towards side, and (now supersonic vibration does not stop) making
Stirring-head leaves the 1～100mm of keyhole of reparation；Supersonic vibration maintains to stop after 100s；Finally by stirring-head and the static shaft shoulder with 1
～5mm/ point of speed is recalled simultaneously, completes the whole reparation weldering process of keyhole.
Compared with prior art, the invention has the beneficial effects as follows：
1st, compared with reparation weldering is disposably filled with the outer packing material of monoblock type, the present invention utilizes keyhole surrounding workpiece itself
Material takes keyhole step-feeding filling to repair weldering, can improve reparation metallurgical interface bond strength；Reduce Weak link defect.
2nd, in the filling process, the ultrasound wave of four direction is same to the periphery of workpiece keyhole by four static shaft shoulder splits
When apply high-frequency mechanical vibration, it is possible to increase the vibration effect of ultrasound wave, improve the extent of atomic diffusion of workpiece welding position, refinement
Fill area crystallite dimension, promotes fill area interlayer and fill area to be connected with the diffusion of mother metal interlayer, strengthens material in filling process
Flowing, further reduce Weak link defect, improve and repair area's intensity.
3rd, compared with the traditional stirring-head with stirring-head shoulder face in plane or with concentric circles groove, the present invention makes
With shoulder face there is the stirring-head of six spiral line grooves the material for being rubbed can be made to produce preferably flowing, strengthen the smelting at interface
Gold is combined, and is improved and is repaired area's intensity.
4th, fill in welding process, because the static shaft shoulder does not rotate, can absorb substantial amounts of heat, reduce the width of heat affected area
And Phenomena of Grain Growth, be conducive to improving and repair area's intensity；Additionally, the static shaft shoulder may also function as the work for preventing material from overflowing weld seam
With making reparation area surface smooth.
5th, after the completion of welding, the supersonic vibration for continuing to certain hour is conducive to eliminating reparation area's internal stress, and raising is repaiied
The mechanical property in multiple area.
6th, compared with the existing agitating friction weldering for not consuming stirring-head, the present invention is capable of achieving to larger depth keyhole defect
Repair, the reparation area thickness after reparation is not thinning, and stress concentration phenomenon is reduced.
7th, the present invention is applied widely, and reparation is not limited by keyhole depth of defect, for cast aluminium, casting magnesium and other deformations
Various volume flaws in aluminum or magnesium structural member, as long as first by variously-shaped volume flaw with drilling through tool processes into big
Little different keyhole, can be repaired using the present invention.
Description of the drawings
Fig. 1 is the structural representation of friction stir welding tools of the present invention；
Fig. 2 is the stirring-head shoulder face view of stirring-head in Fig. 1；
Fig. 3 be in Fig. 1 the static shaft shoulder and ultrasonic vibration installation assembling after axonometric chart；
Fig. 4 is workpiece schematic diagram of the upper surface with keyhole；
Fig. 5 be with friction stir welding tools of the present invention repair Fig. 4 workpiece keyholes with reference to figure.
In figure：1. stirring-head, 2. ultrasonic transducer, 3. ultrasonic amplitude transformer, the 4. static shaft shoulder, the 5. stirring-head shaft shoulder, 6 is static
Shaft shoulder split, 7. six spiral line groove, 8. workpiece, 9. (to be repaired) keyhole, 10. filler piece.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
With reference to Fig. 1 to Fig. 3, the static shaft shoulder that friction stir welding tools of the present invention include stirring-head 1 and coordinate with stirring-head
4；There are six spiral line grooves 7, maximum curvature radius ρ, the arc of six spiral line grooves in the surface of the stirring-head shaft shoulder 5 (bottom surface) of stirring-head
Long L and width b are respectively 0.7 times, 0.5 times and 0.1 times of mixing needle diameter.The static shaft shoulder is in integrally up big and down small circle
Platform shape, its internal diameter 0.1～0.3mm bigger than the diameter of the stirring-head shaft shoulder, lower end external diameter 5～10mm bigger than internal diameter, upper end external diameter ratio
Big 10～the 100mm of internal diameter.The static shaft shoulder is enclosed within stirring-head by four and detachable static shaft shoulder split 6 is combined.Four
Individual static shaft shoulder split has respectively a ultrasonic vibration installation used cooperatively with it, ultrasonic vibration installation by supersonic generator (not
Diagram), ultrasonic transducer 2 and ultrasonic amplitude transformer 3 constitute, ultrasonic amplitude transformer connects with the upper surface of static shaft shoulder split.
It is below to the keyhole 9 on the upper surface of workpiece shown in Fig. 4 (cast aluminium) 8 using the friction stir welding tools of said structure
The embodiment repaired.The keyhole is up big and down small, and upper end diameter d is 6mm, and the depth of keyhole is 4mm.
The present embodiment takes three-level filling weldering, wherein firsts and seconds filling weldering to enter using the workpiece material around keyhole
OK, three-level filling weldering is carried out using additional circular filler piece.
Corresponding with three-level filling weldering, friction stir welding tools use the stirring-head and the static shaft shoulder of three kinds of dimensions：
The a diameter of 8mm of the stirring-head shaft shoulder of the stirring-head that one-level filling weldering is used, the interior Jing of the static shaft shoulder is 8.1mm, the static shaft shoulder
Lower end external diameter is 14mm, and the upper end external diameter of the static shaft shoulder is 24mm；Two grades of stirring-head shaft shoulders for filling the stirring-head that weldering is used are straight
Footpath is 10mm, and the interior Jing of the static shaft shoulder is 10.1mm, and static shaft shoulder lower end external diameter is 16mm, and static shaft shoulder upper end external diameter is
26mm；The a diameter of 12mm of the stirring-head shaft shoulder of the stirring-head that three-level filling weldering is used, the interior Jing of the static shaft shoulder is 12.1mm, static
Shaft shoulder lower end external diameter is 18mm, and static shaft shoulder upper end external diameter is 28mm.
It is with the technical parameter of matching used four ultrasonic vibration installations of four of the static shaft shoulder static shaft shoulder splits：Work(
Rate is 1800W, and amplitude is 35 μm, ultrasonic frequency position 22kHz.
Repair process is as follows：
1st, workpiece level to be repaired is placed on workbench (not shown), and is fixed.
2nd, two-stage filling weldering is carried out to keyhole using material around keyhole
With reference to Fig. 5 (a), one-level filling soldering method is as follows：
Stirring-head and the matching static shaft shoulder that friction stir welding tools are used using the filling of above-mentioned one-level；Will be static
Four static shaft shoulder splits of the shaft shoulder are enclosed within stirring-head, make stirring-head with pushing that 2000 revs/min of rotating speed and 0.5mm/ divide
Speed penetrates keyhole 3mm, in making the cavity that the plastifying material around keyhole is filled between keyhole bottom and stirring-head；Stirring-head
Reaching and stop lower bundle when prick under 3mm depth, now make the static shaft shoulder contact with surface of the work, but do not rotate；By four ultrasounds
The ultrasonic amplitude transformer of vibrating device is contacted respectively with the upper surface of four static shaft shoulder splits in 60 ° of angles, reaches supersonic vibration
To optimum efficiency；Stirring-head stops continuing to rotate 50 seconds after lower bundle, the packing material Plastic Flow of stirring-head bottom is made, with filling
Realize metallurgical binding in the interface in area；Then stirring-head is recalled together with the static shaft shoulder, completes the one-level filling weldering of keyhole.
With reference to Fig. 5 (b), one-level filling postwelding is completed, friction stir welding tools are using stirring that above-mentioned two grades filling welderings are used
Mix head and the matching static shaft shoulder；Two grades of filling welderings are carried out to keyhole by with one-level filling weldering identical method, two grades are filled out
The lower bundle amount for filling weldering stirring-head is 1.5mm；
Step 4, with reference to Fig. 5 (c) and Fig. 5 (d), above-mentioned two-stage filling postwelding is completed, according to constancy of volume principle, in keyhole
Top occurs that a depth is 1.5mm, the circular aperture of a diameter of 10mm, is with a diameter of 10mmmm, thickness now
1.5mm and workpiece same material circle filler piece 10 fill the aperture；Then friction stir welding tools are used instead above-mentioned three-level filling
Stirring-head and the matching static shaft shoulder that weldering is used, by with one-level filling weldering identical method welding is filled；When stirring
The lower bundle amount for mixing head makes the end face of the static shaft shoulder and the upper surface of workpiece when reaching 0.1mm, while stirring-head stops lower bundle,
Continue to rotate and stop the rotation after 100s, then the upper table with 5mm/ point of speed V together with the static shaft shoulder along workpiece is towards side
Mobile, (now supersonic vibration does not stop) making stirring-head leave the keyhole 5mm of reparation, maintains to stop after supersonic vibration 100s, most
Stirring-head and the static shaft shoulder are recalled simultaneously with 5mm/ point of speed afterwards, completes the whole reparation welding process of keyhole.
Workpiece after reparation, packing material is good with workpiece mother metal metallurgical binding, and reparation area surface is smooth, intact
Fall into.
Claims (2)
1. a kind of friction stir welding tools, including stirring-head (1) and the static shaft shoulder (4) coordinated with stirring-head；Its feature is：
There are six spiral line grooves (7) on the stirring-head shaft shoulder (5) surface of the stirring-head；The static shaft shoulder is enclosed within stirring-head by four
Upper and detachable static shaft shoulder split (6) combines, and the internal diameter of the static shaft shoulder is bigger by 0.1 than the diameter of the stirring-head shaft shoulder (5)
～0.3mm, the external diameter 5～10mm bigger than internal diameter of the static shaft shoulder；Four static shaft shoulder splits have respectively super with what it was used cooperatively
Sonic vibration device, ultrasonic vibration installation is made up of supersonic generator, ultrasonic transducer (2) and ultrasonic amplitude transformer (3), and ultrasound becomes
Width bar contacts with the upper surface of static shaft shoulder split.
2. the method for repairing keyhole defect with friction stir welding tools described in claim 1, comprises the following steps：
Step 1, will workpiece to be repaired (8) horizontal positioned with keyhole (9) on the table, and fixed；
Step 2, take step-feeding filling to repair weldering mode, first determine that the series of weldering is repaired in filling according to the size of keyhole；According to
The difference of workpiece material and repair the size of keyhole and choose the ultrasonic technique parameter of ultrasonic vibration installation, selection range is, power
For 600～2000W, amplitude is 15～55 μm, and frequency is 20kHz～60kHz；
Step 3 then as follows using material around keyhole keyhole is carried out step-feeding filling weldering
One-level filling weldering：
Friction stir welding tools are using the stirring-head shaft shoulder diameter stirring-head more bigger than keyhole upper end diameter and matching quiet
The only shaft shoulder；Four of the static shaft shoulder static shaft shoulder splits are enclosed within stirring-head；Then stirring-head is made with 50～10000 revs/min
Rotating speed and the speed that pushes of 0.1～10mm/ point penetrate keyhole certain depth, make the plastifying material around keyhole be filled into keyhole
In cavity between bottom and stirring-head；The lower bundle depth of stirring-head determines that stirring-head reaches determination according to equal-volume principle
Stop lower bundle during lower bundle depth, now make the static shaft shoulder contact with the surface of workpiece (sheet material), but do not rotate；Open four to surpass
Sonic vibration device, adjusts ultrasonic amplitude transformer and the angle of static shoulder face, vibrating effect is reached most preferably；Under stirring-head stops
Continue to rotate 1～100 second after bundle, make the packing material Plastic Flow of stirring-head bottom, with the interface of fill area metallurgical junction is realized
Close；Then stirring-head and the static shaft shoulder are recalled together, completes the one-level filling weldering of keyhole；
One-level filling postwelding is completed, friction stir welding tools is used instead stirring-head shaft shoulder diameter stirring-head more used than one-level filling weldering
The big 1～3mm of stirring-head shaft shoulder diameter stirring-head and the matching static shaft shoulder, by with one-level filling weldering identical method
Two grades of filling welderings are carried out to keyhole；
Two grades of filling postweldings are completed, friction stir welding tools is used instead stirring-head shaft shoulder diameter than stirring-head used by two grades of filling welderings
The big 1～3mm of stirring-head shaft shoulder diameter stirring-head and prefabricated matching the static shaft shoulder press and one-level filling weldering identical method
Three-level filling weldering is carried out to keyhole；
By that analogy, the multistage filling weldering set to keyhole using material around keyhole is completed；
Step 4, the multistage filling postwelding that material around above-mentioned utilization keyhole determines to keyhole is completed, according to constancy of volume principle,
In the circular aperture that keyhole top occurs that depth is shallower, is relatively large in diameter, now first with size is identical with the aperture, material
The aperture is filled with workpiece identical circle filler piece (10)；Then friction stir welding tools are used instead stirring-head shaft shoulder diameter ratio
The stirring-head and the matching static shaft shoulder of the big 1～5mm in the aperture aperture, enters under ultrasonic vibration installation auxiliary to the aperture
Row filling weldering：Make stirring-head and rotated with 50～10000 revs/min of rotating speed and lower bundle, under lower bundle depth stops when reaching 0.1mm
Prick, the end face for making the static shaft shoulder contact with workpiece surface, stop the rotation after stirring-head continuation 1～100s of rotation, then with 1～
100mm/ point of speed is moved along the upper table of workpiece together with the static shaft shoulder towards side, and (now supersonic vibration does not stop) making
Stirring-head leaves the 1～100mm of keyhole of reparation；Supersonic vibration maintains to stop after 100s；Finally by stirring-head and the static shaft shoulder with 1
～5mm/ point of speed is recalled simultaneously, completes the whole reparation weldering process of keyhole.
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| CN201710057790.0A CN106624343B (en) | 2017-01-23 | 2017-01-23 | A kind of friction stir welding tools and the method with soldering set reparation keyhole defect |
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| CN201710057790.0A CN106624343B (en) | 2017-01-23 | 2017-01-23 | A kind of friction stir welding tools and the method with soldering set reparation keyhole defect |
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| CN106624343B CN106624343B (en) | 2018-10-19 |
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| CN107457479A (en) * | 2017-07-25 | 2017-12-12 | 北京赛福斯特技术有限公司 | A kind of adjustable agitating friction welder uneven for component thickness and method |
| CN108544079A (en) * | 2018-04-27 | 2018-09-18 | 重庆市超群工业股份有限公司 | Wheel welding procedure |
| CN108817644A (en) * | 2018-06-28 | 2018-11-16 | 航天工程装备（苏州）有限公司 | A kind of static shaft shoulder and welding method using agitating friction weldering welding edge weld seam |
| CN108857036A (en) * | 2018-07-02 | 2018-11-23 | 南京航空航天大学 | A kind of rolling frictional connection method and apparatus of ultrasonic vibration auxiliary |
| CN109202260A (en) * | 2017-06-29 | 2019-01-15 | 株式会社厄泰克斯 | Engagement resonator or engagement supporting fixture |
| CN110640294A (en) * | 2019-09-26 | 2020-01-03 | 沈阳航空航天大学 | Device and method for friction stir welding radial additive manufacturing |
| CN110653480A (en) * | 2019-09-26 | 2020-01-07 | 沈阳航空航天大学 | Device and method for repairing flange plate with out-of-tolerance aperture by friction stir welding |
| CN111975281A (en) * | 2019-05-22 | 2020-11-24 | 中国商用飞机有限责任公司 | Hole repairing method |
| CN112025076A (en) * | 2020-08-17 | 2020-12-04 | 广州瑞松威尔斯通智能装备有限公司 | Flexible friction stir welding device |
| CN112935514A (en) * | 2021-01-28 | 2021-06-11 | 广东省科学院中乌焊接研究所 | Ultrasonic stirring friction welding device and welding method thereof |
| CN114161010A (en) * | 2021-12-14 | 2022-03-11 | 江苏省无锡交通高等职业技术学校 | Ultrasonic vibration composite gas shield welding gun |
| CN115647563A (en) * | 2022-11-04 | 2023-01-31 | 哈尔滨工业大学 | Follow-up hammering type stirring friction material increase manufacturing device and method |
| US20240100624A1 (en) * | 2018-08-28 | 2024-03-28 | MELD Manufacturing Corporation | Solid-state joining of features to cast parts |
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| CN112935514A (en) * | 2021-01-28 | 2021-06-11 | 广东省科学院中乌焊接研究所 | Ultrasonic stirring friction welding device and welding method thereof |
| CN114161010A (en) * | 2021-12-14 | 2022-03-11 | 江苏省无锡交通高等职业技术学校 | Ultrasonic vibration composite gas shield welding gun |
| CN115647563A (en) * | 2022-11-04 | 2023-01-31 | 哈尔滨工业大学 | Follow-up hammering type stirring friction material increase manufacturing device and method |
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