CN106077946A - A kind of postwelding material surface is without thinning New type agitation friction welding (FW) soldering set - Google Patents
A kind of postwelding material surface is without thinning New type agitation friction welding (FW) soldering set Download PDFInfo
- Publication number
- CN106077946A CN106077946A CN201610524886.9A CN201610524886A CN106077946A CN 106077946 A CN106077946 A CN 106077946A CN 201610524886 A CN201610524886 A CN 201610524886A CN 106077946 A CN106077946 A CN 106077946A
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- China
- Prior art keywords
- shaft shoulder
- mixing needle
- thinning
- material surface
- postwelding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K20/1245—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
- B23K20/125—Rotary tool drive mechanism
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Forging (AREA)
Abstract
The invention discloses the New type agitation friction welding (FW) soldering set of a kind of nearly zero difference of postwelding material surface: its shaft shoulder is connected with main frame by special reducing sleeve, can realize mixing needle and coordinate with the dynamic friction of the shaft shoulder, mixing needle uses split-type design manufacture with the shaft shoulder；Mixing needle is with main shaft high speed rotating, and the shaft shoulder is fixed on host header not rotation portion；Mixing needle and the shaft shoulder realize reliably relative motion by bearing group.This postwelding material surface designs without thinning agitating friction weldering stirring tool, selection and structure by bearing, it is ensured that mixing needle realizes reliable dynamic friction and coordinates with the shaft shoulder；The split type mixing needle static based on the shaft shoulder of particular design, and at the little shaft shoulder of end processing ramp structure, little shaft shoulder end face processing helix, while applying upset force for weld metal, draw material in；Special material selects and the shaft shoulder of structure design, reduces stirring tool advance resistance, eliminates overlap, it is ensured that face of weld molding is good.
Description
Technical field
The invention belongs to agitating friction welding technology field, specifically, relate to a kind of by mixing needle and the shaft shoulder
Split-type structural, develops mixing needle high-speed rotary then the non-rotary special soldering set of the shaft shoulder, thus realizes materials to be welded and be confined
Avoid while in specific region rotating the shaft shoulder impact on material surface, form material surface without thinning high-quality weldering
Seam.
Background technology
Agitating friction weldering is a novel solid phase joining technique, and traditional agitating friction weldering utilizes the stirring of high speed rotating
Friction between instrument and workpiece makes adjacent material plastify, and plastifying material is at the region inner recirculation flow of mixing needle Yu shaft shoulder effect
Dynamic, under the die forging effect of the shaft shoulder, then it is cooled into high-quality weld seam.3 left sides are had during tradition agitating friction weldering mixing needle welding
Right advance inclination angle, the shaft shoulder rotated with mixing needle synchronous high-speed while to being applied die forging effect by welding metal material, nothing
Can cause with avoiding and be welded the thinning of metal surface.The agitating friction weldering destruction to materials to be welded surface, limits tradition stirring
The application of friction welding technology.
At present, the section such as TWI, Wichita State University and The University of Sheffield
Grinding unit and carried out the research of static shaft shoulder agitating friction weldering, purpose is primarily to prevent the defects such as overlap, and research contents is not
Serve production.Butt welded seam surface Reducing thickness is required to the welding of strict welded joints in aluminium alloy, the most still lack
The soldering set of the specification of agitating friction weldering reliably guarantees that postwelding weld seam is without thinning.
Summary of the invention
The tool design of the present invention is: based on the static friction stir welding tools of the shaft shoulder by reducing sleeve, handle of a knife, split type stir
Mix instrument, the static shaft shoulder, bearing and tin bronze pad composition.During assembling, reducing sleeve is fixed on the non-rotary position of host header,
The shaft shoulder is assembled with reducing sleeve by screw and positioning key, does not rotates in welding process.Handle of a knife is then arranged on host header, symmetrical folder
Tight split type stirring tool, uses key to bear circumference moment of torsion.Tool design employing 2, to bearing, takes back-to-back arrangement every a pair
Angular contact ball bearing, have the firm degree of support of bigger bending resistance, be suitable for the supporting of cantilevered axle, bi-directional axial load can be born, logical
Cross pretension and can limit the axial displacement of axle or shell.Stirring tool and bearing inner wall, bearing outer shaft are equal with static shaft shoulder inwall
For interference fit, it is to avoid sliding friction.Bearing clearance is entered by welding metal material, it is ensured that bearing operating mode in order to prevent material from entering
Well, tin bronze pad is placed between angular contact ball bearing and the shaft shoulder one group, end.
A kind of postwelding material surface of the present invention, without thinning New type agitation friction welding (FW) soldering set, including reducing sleeve, handle of a knife, stirs
Mix pin, the shaft shoulder, bearing and copper backing；Described handle of a knife is then arranged on host header, the split type mixing needle of symmetrical clamping, uses key
Bear circumference moment of torsion；The described shaft shoulder is connected with main frame by special reducing sleeve, can realize mixing needle and coordinate with the dynamic friction of the shaft shoulder；
Mixing needle uses split-type design manufacture with the shaft shoulder；Mixing needle is with main shaft high speed rotating, and the shaft shoulder is fixed on host header not rotating part
Position；Mixing needle and the shaft shoulder realize reliably relative motion by bearing, and copper backing is positioned close to the one of mixing needle effect end
Bottom group bearing.
Described stirring tool is split-type structural, and design focal point is that the design of mixing needle structure and stirring tool are with quiet
The position that only shaft shoulder coordinates.Stirring-head end is designed as inclined-plane and designs with the little shaft shoulder, bevel inclination angle 5 ~ 20, the little shaft shoulder
End face is designed as helix structure, reaches to draw in rotary course the purpose of material.The portion that stirring tool coordinates with the static shaft shoulder
Position is taper seat, processes screw thread at taper seat, makes plastifying material at face of weld by the lower spinning force from screw thread.
Described static shaft shoulder shaft shoulder end is designed as inclined-plane, and angle of inclination is 2, it is ensured that arrived by weldering metallic region
Reducing advance resistance while the squeezing action of the shaft shoulder, end face processes special construction, contacts by the shaft shoulder leading portion of weldering metal
Processing the similar fan-shaped groove that thickness is 0.3mm, reduce advance resistance, the shaft shoulder end face second half section realizes by weldering metal
Die forging effect.
Below with reference to accompanying drawing, the concrete structure of the present invention is further described, to be fully understood from the mesh of the present invention
, feature and effect.
Accompanying drawing explanation
Fig. 1 is that the postwelding material surface of the present invention is closely without thinning stirring tool installation diagram；
Fig. 2 is the mixing needle structure chart of the particular design of the embodiment of the present invention.
Detailed description of the invention
The present invention is further detailed explanation with embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1, in the present invention, the assembling of soldering set includes reducing sleeve, handle of a knife, stirring tool, the shaft shoulder, bearing and copper packing
Sheet six part.First assembling angular contact ball bearing and stirring tool, bearing is installed and is used back-to-back spread pattern, carries out with the shaft shoulder
Trial assembly is joined, adjustable bearing gap, coordinates assembling, adjusts to accompanying drawing 2 centrage and the shaft shoulder end face on mixing needle end face inclined-plane
Flush；Handle of a knife is arranged on device Host head, and main shaft rotates, and measures the axiality that handle of a knife is installed, in axiality less than 0.04mm
On the premise of main shaft stall, assemble split type stirring tool；Main shaft rotates, and measures mixing needle axiality, repeatedly adjusts to coaxially
Degree, less than 0.07mm, tightens each trip bolt, main frame stall.Reducing sleeve and the shaft shoulder are installed, measure and adjust shaft shoulder end face and turn
The female connector fitting surface depth of parallelism, to less than 0.05mm, tightens each trip bolt.Assembling process ensures to process in Fig. 2 the taper seat of screw thread
It is 0.05 ~ 0.15mm with shaft shoulder taper seat fit clearance.
Mobile host head is put to playing welding position, and welding inclination angle is 0 DEG C, and when welding originally, stirring tool high speed rotating presses to end
Center, inclined-plane, portion, the fine setting amount of being pushed down into is close to metal surface to be welded to stationary shaft point of shoulder subordinate's end face.In welding initial bit
Putting and stop about 2min, perform program, soldering set is along desired trajectory welding.
The present invention can obtain postwelding material surface without thinning high-quality weld seam.Described bearing uses taper roll bearing
And angular contact ball bearing.One group of bearing of the described end near mixing needle effect uses angular contact ball bearing, it is ensured that relatively
While motion, it is ensured that the axiality of stirring tool；Increase bottom one group of angular contact ball bearing of mixing needle effect end
3mm thickness copper backing.Described mixing needle material selects hot die steel (HOTVAR), and after heat treatment, hardness is HRC52 ~ 55.Institute
State mixing needle cephalic par to be designed as inclined-plane and design with the little shaft shoulder, 1.5 ~ 3 times of the little shaft shoulder a diameter of mixing needle end diameter；Little
Shoulder ramps angle of inclination is 5 ~ 20.Process screw thread on the taper seat that described mixing needle cephalic par coordinates with the static shaft shoulder, stir
Mix pin little shaft shoulder end face and be designed as helix structure, reach rotary course draws in the purpose of material.Described shaft shoulder rapidoprint
Selecting nitrated steel (38CrMoAl) or potassium steel, the hardness after heat treatment is HRC47 ~ 50.Described shaft shoulder end is designed as inclined-plane,
Angle of inclination is 2, it is ensured that by weldering metallic region by reducing advance resistance while the squeezing action of the shaft shoulder.Described axle
Shoulder end face processes special construction, contacts and is processed the similar fan-shaped groove that thickness is 0.3mm by the shaft shoulder leading portion of weldering metal,
Reducing advance resistance, the shaft shoulder end face second half section realizes the die forging effect by weldering metal.
Claims (9)
1. a postwelding material surface is without thinning friction stir welding tools, it is characterised in that: include reducing sleeve, handle of a knife, stirring
Pin, the shaft shoulder, bearing and copper backing；
Described handle of a knife is then arranged on host header, the split type mixing needle of symmetrical clamping, uses key to bear circumference moment of torsion；The described shaft shoulder
It is connected with main frame by special reducing sleeve, mixing needle can be realized and coordinate with the dynamic friction of the shaft shoulder；Mixing needle uses split with the shaft shoulder
Formula manufactures and designs；Mixing needle is with main shaft high speed rotating, and the shaft shoulder is fixed on host header not rotation portion；Mixing needle and the shaft shoulder pass through axle
Holding and realize reliably relative motion, copper backing is positioned close to bottom one group of bearing of mixing needle effect end.
2. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that described bearing
Use taper roll bearing and angular contact ball bearing.
3. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that described close
One group of bearing of the end of mixing needle effect uses angular contact ball bearing, it is ensured that while relative motion, it is ensured that stirring tool
Axiality；3mm thickness copper backing is increased bottom one group of angular contact ball bearing of mixing needle effect end.
4. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that described stirring
Needle material selects hot die steel, and after heat treatment, hardness is HRC52 ~ 55.
5. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that described stirring
Needle is designed as inclined-plane and designs with the little shaft shoulder, 1.5 ~ 3 times of the little shaft shoulder a diameter of mixing needle end diameter；The little shaft shoulder is oblique
Angle of inclination, face is 5 ~ 20.
6. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that described stirring
Processing screw thread with the static shaft shoulder on the taper seat that needle coordinates, mixing needle little shaft shoulder end face is designed as helix structure, reaches
The purpose of material is drawn in rotary course.
7. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that the described shaft shoulder
Rapidoprint selects nitrated steel or potassium steel, and the hardness after heat treatment is HRC47 ~ 50.
8. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that the described shaft shoulder
End is designed as inclined-plane, and angle of inclination is 2, it is ensured that reduced by while the squeezing action of the shaft shoulder by weldering metallic region
Advance resistance.
9. postwelding material surface as claimed in claim 1 is without thinning friction stir welding tools, it is characterised in that the described shaft shoulder
End face processes special construction, contacts and is processed the similar fan-shaped groove that thickness is 0.3mm, fall by the shaft shoulder leading portion of weldering metal
Low advance resistance, the shaft shoulder end face second half section, realization was to the die forging effect by weldering metal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524886.9A CN106077946A (en) | 2016-07-06 | 2016-07-06 | A kind of postwelding material surface is without thinning New type agitation friction welding (FW) soldering set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524886.9A CN106077946A (en) | 2016-07-06 | 2016-07-06 | A kind of postwelding material surface is without thinning New type agitation friction welding (FW) soldering set |
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| CN106077946A true CN106077946A (en) | 2016-11-09 |
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| CN201610524886.9A Pending CN106077946A (en) | 2016-07-06 | 2016-07-06 | A kind of postwelding material surface is without thinning New type agitation friction welding (FW) soldering set |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030371A (en) * | 2017-05-20 | 2017-08-11 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of novel static shaft shoulder friction stir welding tool |
| CN107931822A (en) * | 2017-11-27 | 2018-04-20 | 南京理工大学 | The static shaft shoulder agitating friction weldering connection device and method of a kind of variable-angle corner joint |
| 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 |
| CN109175670A (en) * | 2018-09-17 | 2019-01-11 | 上海航天设备制造总厂有限公司 | The non-equal static shaft shoulder stirring tool of heavy-gauge sheetings welding of one kind |
| CN110142501A (en) * | 2019-06-25 | 2019-08-20 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of dead axle shoulder friction stir welding tools and its friction stir welding method |
| CN110142500A (en) * | 2019-05-27 | 2019-08-20 | 中国船舶重工集团公司第七二五研究所 | A T-shaped reinforced structure friction stir welding device and its welding method |
| CN110773861A (en) * | 2019-11-06 | 2020-02-11 | 哈尔滨工业大学 | Non-thinning friction stir welding tool and welding method for one-time welding and simultaneous secondary re-forming |
| CN111230281A (en) * | 2018-11-29 | 2020-06-05 | 南京理工大学 | High Efficiency Static Shoulder Mixer for High Strength Aluminum Alloy Variable Angle Fillet Joints |
| CN111922504A (en) * | 2020-07-27 | 2020-11-13 | 昆山哈工万洲焊接研究院有限公司 | A multi-mode friction stir welding tool, system and method |
| CN112368102A (en) * | 2018-06-06 | 2021-02-12 | 国立大学法人大阪大学 | Friction stir welding tool and friction stir welding method |
| CN114247980A (en) * | 2021-11-30 | 2022-03-29 | 广州瑞松威尔斯通智能装备有限公司 | Static shaft shoulder friction stir welding tool |
| CN114289853A (en) * | 2021-11-30 | 2022-04-08 | 广州瑞松威尔斯通智能装备有限公司 | Combined static shaft shoulder friction stir welding tool |
| US20230249279A1 (en) * | 2022-02-10 | 2023-08-10 | Stirweld | Work Interface Accessory, Work Kit And Friction Stir Welding Method |
| US11772188B1 (en) * | 2021-11-04 | 2023-10-03 | Lockheed Martin Corporation | Additive friction stir deposition system for refractory metals |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030371A (en) * | 2017-05-20 | 2017-08-11 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of novel static shaft shoulder friction stir welding tool |
| CN107931822A (en) * | 2017-11-27 | 2018-04-20 | 南京理工大学 | The static shaft shoulder agitating friction weldering connection device and method of a kind of variable-angle corner joint |
| CN107931822B (en) * | 2017-11-27 | 2020-11-06 | 南京理工大学 | A static shoulder friction stir welding device and method for a variable angle fillet joint |
| CN112368102A (en) * | 2018-06-06 | 2021-02-12 | 国立大学法人大阪大学 | Friction stir welding tool and friction stir welding method |
| CN108817644B (en) * | 2018-06-28 | 2020-07-03 | 航天工程装备（苏州）有限公司 | Static shaft shoulder for welding edge weld by friction stir welding and welding method |
| 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 |
| CN109175670A (en) * | 2018-09-17 | 2019-01-11 | 上海航天设备制造总厂有限公司 | The non-equal static shaft shoulder stirring tool of heavy-gauge sheetings welding of one kind |
| CN111230281A (en) * | 2018-11-29 | 2020-06-05 | 南京理工大学 | High Efficiency Static Shoulder Mixer for High Strength Aluminum Alloy Variable Angle Fillet Joints |
| CN110142500B (en) * | 2019-05-27 | 2022-03-11 | 中国船舶重工集团公司第七二五研究所 | T-shaped reinforcing structure friction stir welding device and welding method thereof |
| CN110142500A (en) * | 2019-05-27 | 2019-08-20 | 中国船舶重工集团公司第七二五研究所 | A T-shaped reinforced structure friction stir welding device and its welding method |
| CN110142501A (en) * | 2019-06-25 | 2019-08-20 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of dead axle shoulder friction stir welding tools and its friction stir welding method |
| CN110773861A (en) * | 2019-11-06 | 2020-02-11 | 哈尔滨工业大学 | Non-thinning friction stir welding tool and welding method for one-time welding and simultaneous secondary re-forming |
| CN111922504A (en) * | 2020-07-27 | 2020-11-13 | 昆山哈工万洲焊接研究院有限公司 | A multi-mode friction stir welding tool, system and method |
| US11772188B1 (en) * | 2021-11-04 | 2023-10-03 | Lockheed Martin Corporation | Additive friction stir deposition system for refractory metals |
| CN114247980A (en) * | 2021-11-30 | 2022-03-29 | 广州瑞松威尔斯通智能装备有限公司 | Static shaft shoulder friction stir welding tool |
| CN114289853A (en) * | 2021-11-30 | 2022-04-08 | 广州瑞松威尔斯通智能装备有限公司 | Combined static shaft shoulder friction stir welding tool |
| US20230249279A1 (en) * | 2022-02-10 | 2023-08-10 | Stirweld | Work Interface Accessory, Work Kit And Friction Stir Welding Method |
| US12179282B2 (en) * | 2022-02-10 | 2024-12-31 | Stirweld | Work interface accessory, work kit and friction stir welding method |
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Application publication date: 20161109 |