CN108637467A - A kind of ultrasonic energy combined based on roller and stirring-head is laterally applied to device and method - Google Patents
A kind of ultrasonic energy combined based on roller and stirring-head is laterally applied to device and method Download PDFInfo
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- CN108637467A CN108637467A CN201810489897.7A CN201810489897A CN108637467A CN 108637467 A CN108637467 A CN 108637467A CN 201810489897 A CN201810489897 A CN 201810489897A CN 108637467 A CN108637467 A CN 108637467A
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- stirring
- head
- roller
- ultrasonic
- tool heads
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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
- B23K20/26—Auxiliary equipment
-
- 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
Abstract
The invention discloses a kind of ultrasonic energies combined based on roller and stirring-head to be laterally applied to device and method, it solves the problems, such as that ultrasonic vibration in the prior art can not achieve efficient coupling with stirring-head mechanism existence time lag or the two, with the Plastic Flow for improving welding process metal, realize that the advantageous effect of the thermodynamic activity and the synchronous coupling of ultrasonic softening effect of stirring-head, scheme are as follows：A kind of ultrasonic energy combined based on roller and stirring-head is laterally applied to device, including sleeve fixture, sleeve fixture is connect with ultrasonic wave generating mechanism, sleeve fixture one end is connect with pushing mechanism, roller tool heads are arranged in the other end, stirring-head of the roller tool cephalic region setting for welding workpiece, the axis direction of stirring-head and the axis direction of roller tool heads are arranged in a mutually vertical manner, pushing mechanism drives sleeve fixture to be moved towards stirring-head, and ultrasonic energy is transmitted to stirring-head to be contacted with stirring-head by roller tool heads.
Description
Technical field
The present invention relates to agitating frictions to weld field, more particularly to a kind of ultrasonic energy combined based on roller and stirring-head
Amount is laterally applied to device and method.
Background technology
It is a kind of Solid-phase welding technology that agitating friction, which welds (Friction Stir Welding, abbreviation FSW), can be obtained
The high quality connector that conventional method is difficult to solder to is obtained, is applied to aluminium alloy structure manufacturing field more at present.Conventional FSW is by stirring
Frictional heat and material plasticity between head and materials to be welded deform heat production to soften material to be welded, low, welding that there are speeds of welding
The problems such as load is big, the wear-resisting property of the bearing capacity of butt welding machine, the precision of welding fixture and rigidity, stirring-head propose very high
It is required that.The method for applying ultrasonic energy to FSW processes to assist welding, is to utilize ultrasonic vibration without significantly heating
The characteristic of the yield stress and flow stress of metal material is reduced, the material flowing during FSW is improved.
Current oriented FSW processes apply the application technology of ultrasonic energy, as disclosed in CN1836820A《Ultrasonic agitation
Welding method and its device》, axial ultrasonic vibration is passed through into the plastic metal of the directly incoming welding section of stirring-head.But it should
Ultrasonic amplitude transformer and stirring-head are placed in rolling clamp body in scheme, when materials to be welded type or thickness change, stirring
The replacement of head is inconvenient；The high temperature that stirring-head is generated with friction of workpiece in welding, to coupled amplitude transformer and energy converter
Working performance is unfavorable；The larger axial compressive force that stirring-head is subject in welding, can cause the output power of Vltrasonic device substantially to be decayed.
In addition, disclosed in CN102744516A《Ultrasonic vibration assists Friction stir welding and device》, under a certain pressure will be ultrasonic
Vibratory tool head is against on the workpiece to be welded in front of stirring-head, and ultrasonic energy is directly applied to workpiece.But in this scheme,
Ultrasonic vibration is applied to the Direct Model of workpiece in front of stirring-head, earlier than FSW Re-power mistake at the time of ultrasound softening can be caused to occur
Journey, Ultrasonic probe and stirring-head lag the local action existence time of workpiece, can not achieve stirring-head mechanism and surpass
It is coupled while sound softening effect, to be unable to give full play effect of the ultrasonic vibration in terms of improving welding quality.
Therefore, it is necessary to be laterally applied to device to a kind of ultrasonic energy combined based on roller and stirring-head to carry out new research
Design.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of ultrasonic energies combined based on roller and stirring-head
It is laterally applied to device, ultrasonic amplitude transformer is connect by the present invention by roller tool heads with stirring-head close-coupled, by stirring-head
Mechanism is synchronous with both softening effects of ultrasound, realizes efficient coupling of the ultrasonic vibration to stir friction welding process,
The Plastic Flow for improving metal in welding process, reaching reduces welding load, reduces stirring-head abrasion, improves speed of welding
Purpose.
A kind of concrete scheme that the ultrasonic energy combined based on roller and stirring-head is laterally applied to device is as follows：
A kind of ultrasonic energy combined based on roller and stirring-head is laterally applied to device, including sleeve fixture, sleeve fixture
It is connect with ultrasonic wave generating mechanism, sleeve fixture one end is connect with pushing mechanism, and roller tool heads, roller tool is arranged in the other end
Stirring-head of the cephalic region setting for welding workpiece, the axis direction and the axis direction of roller tool heads of stirring-head are mutually perpendicular to
Setting, pushing mechanism drive sleeve fixture to be moved towards stirring-head, will be ultrasonic to be contacted with stirring-head by roller tool heads
Wave energy is transmitted to stirring-head, and then is transferred to the plastic metal of welding section.
Above-mentioned device can be made to surpass by the setting of roller tool heads by ultrasonic energy from stirring-head is transversely applied to
Acoustic vibration is transferred to the plastic metal of welding section by stirring-head, realizes ultrasonic vibration to the effective of stir friction welding process
Coupling, ultrasonic vibration act on welding section plastic metal, and the heat-force effect for realizing stirring-head is synchronous with ultrasonic softening effect
Coupling, improves the Plastic Flow of metal in welding process, reaches reduction welding load, reduces stirring-head abrasion, improves welding
The purpose of speed.
Further, the stirring-head is connect with friction stir welding machine, and stirring-head is hollow stirring-head, hollow stirring-head energy
It is enough to mitigate dead weight, improve shear strength, reinforce ultrasonic vibration effect.
Further, the roller tool heads are solid roller tool heads, and solid roller tool heads can reduce amplitude transformer
Ultrasonic energy is efficiently couple to stirring-head by the friction between stirring-head, and solid roller tool heads are matched with hollow stirring-head
It closes, the coupling efficiency of ultrasonic energy can be improved.
Further, the sleeve fixture end set tool heads pedestal, the roller tool heads include at least one, rolling
Column tool heads can be arranged two, can guarantee the uniformity that ultrasonic vibration is propagated, and roller tool heads insertion tool head pedestal in this way
It is arranged and relative to tool heads pedestal energy rotary setting, specific roller tool heads is movably set in connecting rod, connecting rod is set to work
Has head pedestal.
Further, the stirring-head includes the stirring-head epimere being detachably connected and stirring-head hypomere, stirring-head epimere
Tangent with roller tool heads outside, stirring-head hypomere includes the shaft shoulder and mixing needle, and mixing needle is arranged across the shaft shoulder, stirring-head hypomere
It being connect with stirring-head epimere by helicitic texture, stirring-head epimere is hollow cylinder structure, and stirring-head epimere is hollow cylinder, in
Bare terminal end is set at the top of empty cylinder, and bare terminal end is connect with the friction stir welding machine, and solid roller tool heads can be with stirring
The contact setting of head upper semisection side to stirring-head to realize horizontal direction transonic.
Further, the pushing mechanism is cylinder, and cylinder is supported by fixing bracket, cylinder push-rod and the collet head
Tool connection or contact setting, cylinder are set to the axis direction of sleeve fixture.
Further, it being connect with sliding rail by connector at the top of the sleeve fixture, sliding rail is set to the top of sleeve fixture,
Fixing bracket is L-type, and sliding rail is set to fixing bracket, and fixing bracket is connected with rack.
Further, the connector is similarly L-type, and connector is set to the both sides of sliding rail, sliding rail is set at the top of connector,
Idler wheel can be set at the top of connector, movement of the connector relative to sliding rail, bottom and the collet head are facilitated by idler wheel
Tool is connected.
Further, setting ultrasonic transducer and the ultrasonic wave being connect with ultrasonic transducer inside the sleeve fixture
It is tangent inside amplitude transformer, ultrasonic variable amplitude boom end and the described roller tool heads, ultrasonic transducer be set to sleeve fixture
The supersonic generator in outside connects.
For overcome the deficiencies in the prior art, the present invention also provides stirring-head pressure and torsions in a kind of reduction welding process
The method of square is laterally applied to device using a kind of ultrasonic energy combined based on roller and stirring-head, and roller tool heads exist
It is in close contact with stirring-head under the action of pushing mechanism, while stirring-head works, roller tool heads apply horizontal to stirring-head
To ultrasonic vibration, mechanism and ultrasonic softening effect to workpiece of the synchronous coupled stir head to workpiece.
Compared with prior art, the beneficial effects of the invention are as follows：
1) ultrasonic wave is not directly applied to stirring by the present invention by the setting of pushing mechanism and ultrasonic wave generating mechanism
The workpiece in head front, avoid ultrasound and the time lag problem of welding makes to surpass by ultrasonic energy from stirring-head is transversely applied to
Acoustic vibration is transferred to the plastic metal of welding section by hollow stirring-head, realizes the mechanism of stirring-head and the softening effect of ultrasound
Both answer synchronous, having improves seam center, and welding joint shaping quality improves, crystal grain refinement, improve connector tensile strength and
The effect of elongation.
2) present invention realizes effective coupling of the ultrasonic vibration to stir friction welding process by integrally-built setting
It closes, improves the Plastic Flow of metal in welding process, reach reduction welding load, reduce stirring-head abrasion, improve welding speed
The purpose of degree.
3) present invention can reduce the friction between amplitude transformer and stirring-head, by ultrasonic energy by the setting of solid roller
Amount is efficiently couple to stirring-head, and solid roller tool heads coordinate with hollow stirring-head, can improve the coupling effect of ultrasonic energy
Rate eventually reduces the pressure and torque of stirring-head in welding process, promotes the migration of weld seam two layers of material.
4) present invention facilitates the movement of sleeve fixture, ensures effective transmission of ultrasonic vibration by the setting of sliding rail.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is that a kind of ultrasonic energy combined based on roller and stirring-head of the present invention is laterally applied to structure drawing of device.
Fig. 2 is the solid roller head structure figure of the present invention.
Fig. 3 is the hollow stirring-head structure chart of the present invention.
Wherein：1, stirring-head, 2, roller tool heads, 3, sleeve fixture, 4, sliding rail, 5, cylinder, 6, air pump, 7, ultrasonic wave hair
Raw device, 8, friction stir welding machine, 9, solid roller, 10, tool heads pedestal, 11, stirring-head epimere, 12, stirring-head hypomere, 13,
Fixing bracket, 14, connector.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen
It please propose a kind of ultrasonic energy combined based on roller and stirring-head and be laterally applied to device.
In a kind of typical embodiment of the application, as shown in Figure 1, a kind of ultrasound combined based on roller and stirring-head
Energy is laterally applied to device, including sleeve fixture 3, and sleeve fixture 3 is connect with ultrasonic wave generating mechanism, 3 one end of sleeve fixture with
Pushing mechanism connects, and roller tool heads 2 are arranged in the other end, and the setting of 2 side of roller tool heads is used for the stirring-head 1 of welding workpiece,
The axis direction of stirring-head 1 and the axis direction of roller tool heads 2 are arranged in a mutually vertical manner, and pushing mechanism drives 3 court of sleeve fixture
It is moved to stirring-head, ultrasonic energy is transmitted to stirring-head 1 to be contacted with stirring-head 1 by roller tool heads 2, to transmit
To the plastic metal of welding section.
Above-mentioned device can be made to surpass by the setting of roller tool heads by ultrasonic energy from stirring-head is transversely applied to
Acoustic vibration is transferred to the plastic metal of welding section by stirring-head, realizes ultrasonic vibration to the effective of stir friction welding process
Coupling, improves the Plastic Flow of metal in welding process, reaches reduction welding load, reduces stirring-head abrasion, improves welding
The purpose of speed.
Stirring-head 1 is connect with friction stir welding machine, and stirring-head 1 is hollow stirring-head, and the rotating speed preferably 300 of stirring-head 1~
3000rpm, 0.2~1MPa of cylinder air pressure, hollow stirring-head can mitigate dead weight, improve shear strength, reinforce ultrasonic vibration
Effect.
Roller tool heads 2 are solid roller tool heads, and solid roller tool heads can reduce ultrasonic variable amplitude bar and stirring
Ultrasonic energy is efficiently couple to stirring-head 1 by the friction between head, and solid roller tool heads coordinate with hollow stirring-head, energy
Enough improve the coupling efficiency of ultrasonic energy.
Wherein, sleeve fixture is the hollow cylindrical tube of horizontal direction setting, 3 end set tool heads pedestal of sleeve fixture
10, the roller tool heads 2 include at least one, and roller tool heads 2 can be arranged two, the gravity axis of two roller tool heads 2
The mass axis of line and stirring-head is arranged in parallel, achievees the effect that roller tool heads half are arranged around stirring-head, can protect in this way
The uniformity that ultrasonic vibration is propagated is demonstrate,proved, and 2 insertion tool head pedestal of roller tool heads, 10 end side is arranged and relative to tool heads base
10 energy rotary setting of seat, specific roller tool heads 2 are movably set in connecting rod, and connecting rod is set to tool heads pedestal 10, such as Fig. 2 institutes
Show, the material of tool heads pedestal 10 and roller tool heads 2 is tool steel, and preferably material is that titanium alloy, hard alloy etc. are wear-resisting resistance to
Hot Materials with High Strength, tool heads pedestal 10 are hollow cylinder structural member.
As shown in figure 3, stirring-head 1 includes the stirring-head epimere 11 being detachably connected and stirring-head hypomere 12, under stirring-head
Section includes the shaft shoulder and mixing needle, and mixing needle bottom protrudes the setting of stirring-head hypomere, and mixing needle is set to shaft shoulder center, and shaft shoulder bottom is
Cone shape, stirring-head hypomere 12 are connect by helicitic texture with stirring-head epimere 11, and stirring-head epimere 11 is hollow cylinder knot
Structure, stirring-head epimere 11 are connect by bare terminal end with the friction stir welding machine, and solid roller tool heads 2 are in pushing mechanism band
Setting can be contacted under dynamic with 11 side of stirring-head upper semisection to realize horizontal direction transonic to stirring-head.
Pushing mechanism is cylinder 5, and cylinder 5 connect with air pump 6, and cylinder 5 is supported by fixing bracket 13, cylinder push-rod with it is described
Sleeve fixture 3 connection or contact setting, cylinder 5 be set to sleeve fixture axis direction.
3 top of sleeve fixture is connect by connector with sliding rail 4, and fixing bracket 13 is L-type, and sliding rail 4 is set to fixing bracket
13, fixing bracket 13 is connected with rack.Connector 14 is similarly L-type, and connector 14 is set to the both sides of sliding rail 4, and connector 14 pushes up
Portion is set to sliding rail, idler wheel can be arranged at 14 top of connector, facilitate connector 14 relative to the movement of sliding rail 4, bottom by idler wheel
Portion is connected with the sleeve fixture 3.
The ultrasonic variable amplitude bar that 3 inside of sleeve fixture is arranged ultrasonic transducer and is connect with ultrasonic transducer, ultrasound
Wave amplitude transformer vibration frequency is 15kHz~25kHz, and amplitude is 10~50 μm, ultrasonic transducer with set on the outside of sleeve fixture 3
Supersonic generator 7 connect, the output power of supersonic generator is 1~3000W, between ultrasonic variable amplitude bar and stirring-head
It is of coupled connections using double solid roller Ultrasonic probes, realizes that ultrasonic vibration is laterally applied to stirring-head, ultrasonic variable amplitude bar
End face and roller tool heads inside it is tangent, hollow stirring-head epimere and roller tool heads outside are tangent.Sleeve fixture end with
Cylinder is bolted, and the contact of tool heads and stirring-head is adjusted by adjusting cylinder air pressure.
Wherein, ultrasonic transducer uses piezo-electric type ultrasonic transducer, ultrasonic variable amplitude bar that aluminium alloy, titanium can be selected to close
Gold or steel alloy.
For overcome the deficiencies in the prior art, the present invention also provides stirring-head pressure and torsions in a kind of reduction welding process
The method of square is laterally applied to device using a kind of ultrasonic energy combined based on roller and stirring-head, worked in stirring-head
While, roller tool heads apply lateral ultrasonic vibration, synchronous coupled stir head pair under the drive of pushing mechanism, to stirring-head
Softening effect of the mechanism and ultrasound of workpiece to workpiece.
Specific work process is as follows：
1) alternating current of 220V/50Hz is converted into supersonic frequency ac signal and exports to ultrasonic waves by supersonic generator
It can device；
2) the supersonic frequency electric oscillation signal that supersonic generator generates is converted into supersonic frequency machinery and shakes by ultrasonic transducer
It is dynamic；
3) ultrasonic variable amplitude bar by the Amplitude amplification for the ultrasonic vibration that energy converter generates and is transmitted to solid roller tool heads,
Cylinder pushes sleeve fixture to be moved along sliding rail, so that tool heads is contacted coupling with stirring-head, ultrasonic vibration is transmitted to hollow stirring
Head；
4) solid roller can reduce the friction between amplitude transformer and stirring-head, and ultrasonic energy is efficiently couple to stir
Head；Hollow stirring-head can mitigate dead weight, improve shear strength, reinforce ultrasonic vibration effect；Combination can improve
The coupling efficiency of ultrasonic energy；
5) ultrasonic energy is transferred to the plastic metal of welding section, can reduce the resistance of deformation of plastic metal, improves stirring
The plastic fluidity of metal in friction welding process improves speed of welding to reach elimination weld defect, reduces welding load
Purpose.
The separation design of ultrasonic vibration mechanism and stirring-head can be under conditions of not changing original friction stir welding machine
Realize that the application of ultrasonic energy, ultrasonic vibration will not be interfered by welding high temperature high pressure factor, equipment has good steady
Qualitative and applicability.Solid roller tool heads are convenient for changing, and the design for disassembly of stirring-head makes stirring-head when wearing
Lower component is only needed to change, cost is saved.
The effect of ultrasonic energy is mainly reflected in, by being applied to the lateral ultrasonic vibration of stirring-head, synchronous coupled stir
Mechanism and ultrasonic softening effect to workpiece of the head to workpiece.6061-T6 aluminium alloys dock experiments have shown that, apply ultrasonic energy
Amount, reduces the pressure and torque of stirring-head in welding process, promotes the migration of weld seam two layers of material, exacerbates mixing needle work
Flowing with lower material in weld penetration direction, and enable stirring-head that its more rear metal to be driven to be migrated.Therefore, it takes
The hole type defect for reducing weld seam bottom was obtained, seam center is improved, improves connector tensile strength and elongation, it is horizontal to promote weld seam
Section hardness improves the technological effect of connector impact flexibility.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of ultrasonic energy combined based on roller and stirring-head is laterally applied to device, which is characterized in that including sleeve fixture,
Sleeve fixture is connect with ultrasonic wave generating mechanism, and sleeve fixture one end is connect with pushing mechanism, and roller tool heads are arranged in the other end,
Stirring-head of the roller tool cephalic region setting for welding workpiece, the axis direction of the axis direction and roller tool heads of stirring-head
It is arranged in a mutually vertical manner, pushing mechanism drives sleeve fixture to be moved towards stirring-head, to be connect with stirring-head by roller tool heads
It touches and ultrasonic energy is transmitted to stirring-head, and then be transferred to the plastic metal of welding section.
2. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 1 is laterally applied to device, special
Sign is that the stirring-head is connect with friction stir welding machine, and stirring-head is hollow stirring-head.
3. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 1 is laterally applied to device, special
Sign is that the roller tool heads are solid roller tool heads.
4. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 1 is laterally applied to device, special
Sign is, the sleeve fixture end set tool heads pedestal, and the roller tool heads include at least one, and roller tool heads
Insertion tool head pedestal is arranged and relative to tool heads pedestal energy rotary setting.
5. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 2 is laterally applied to device, special
Sign is, the stirring-head includes the stirring-head epimere being detachably connected and stirring-head hypomere, stirring-head epimere and roller tool
Head is external tangent, and stirring-head hypomere includes the shaft shoulder and mixing needle；Stirring-head epimere is hollow cylinder, and folder is arranged at the top of hollow cylinder
End is held, bare terminal end is connect with the friction stir welding machine.
6. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 1 is laterally applied to device, special
Sign is that the pushing mechanism is cylinder, and cylinder is supported by fixing bracket, and cylinder push-rod connect or connects with the sleeve fixture
Touch setting.
7. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 6 is laterally applied to device, special
Sign is, is connect with sliding rail by connector at the top of the sleeve fixture, and fixing bracket is L-type, and sliding rail is set to fixing bracket, Gu
Fixed rack is connected with rack.
8. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 7 is laterally applied to device, special
Sign is, the connector is similarly L-type, and connector is set to the both sides of sliding rail, is set to sliding rail at the top of connector, bottom with it is described
Sleeve fixture be connected.
9. a kind of ultrasonic energy combined based on roller and stirring-head according to claim 1 is laterally applied to device, special
Sign is that setting ultrasonic transducer and the ultrasonic variable amplitude bar being connect with ultrasonic transducer, surpass inside the sleeve fixture
Sound wave luffing boom end and tangent inside the roller tool heads, ultrasonic transducer and the ultrasound on the outside of sleeve fixture
Wave producer connects.
10. a kind of method reducing stirring-head pressure and torque in welding process, which is characterized in that using according to claim 1-
A kind of ultrasonic energy combined based on roller and stirring-head described in any one of 9 is laterally applied to device, and roller tool heads are pushing away
It is in close contact with stirring-head under the action of motivation structure, while stirring-head works, roller tool heads apply laterally to stirring-head
Ultrasonic vibration, mechanism and ultrasonic softening effect to workpiece of the synchronous coupled stir head to workpiece.
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| CN109465535A (en) * | 2018-11-22 | 2019-03-15 | 北京工业大学 | Ultrasonic wave assists aluminium alloy/composite material backfill formula agitating friction to be glued spot welding Joining Technology |
| 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 |
| 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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| CN109465535A (en) * | 2018-11-22 | 2019-03-15 | 北京工业大学 | Ultrasonic wave assists aluminium alloy/composite material backfill formula agitating friction to be glued spot welding Joining Technology |
| CN109465535B (en) * | 2018-11-22 | 2021-03-30 | 北京工业大学 | Aluminum alloy/composite material backfill type friction stir welding spot welding connection process |
| 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 |
| 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 |
| CN115647563B (en) * | 2022-11-04 | 2023-09-05 | 哈尔滨工业大学 | Follow-up hammering type friction stir additive manufacturing device and method |
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