CN102601514A - Welding set with upwards and downwards concave shaft shoulder and stirring friction welding method implemented without aid of support or inclination - Google Patents
Welding set with upwards and downwards concave shaft shoulder and stirring friction welding method implemented without aid of support or inclination Download PDFInfo
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- CN102601514A CN102601514A CN2012100782141A CN201210078214A CN102601514A CN 102601514 A CN102601514 A CN 102601514A CN 2012100782141 A CN2012100782141 A CN 2012100782141A CN 201210078214 A CN201210078214 A CN 201210078214A CN 102601514 A CN102601514 A CN 102601514A
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- 238000003466 welding Methods 0.000 title claims abstract description 73
- 238000003756 stirring Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000001154 acute effect Effects 0.000 claims abstract description 3
- 238000005476 soldering Methods 0.000 claims description 49
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 6
- 239000011796 hollow space material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
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Abstract
A welding set with an upwards and downwards concave shaft shoulder and a stirring friction welding method implemented without the aid of support or inclination relate to a stirring friction welding set and a method and solve the problem that a guiding hole and a guide-out hole need to be prefabricated for an existing double-shaft-shoulder self-supporting stirring friction welding mode, a sealed weld joint is difficult to form, inputted heat is excessive, and performances of a joint are deteriorated. The welding set comprises an upper cylinder, a lower cylinder, a main stirring needle and an auxiliary stirring needle which are sequentially arranged and integrally manufactured, the lower end surface of the lower cylinder is an upwards concave shaft shoulder surface, and the upper end surface of the auxiliary stirring needle is a downwards shaft shoulder surface. The method includes: firstly, determining the service length of a stirring body; secondly, determining an included angle between the upwards concave shaft shoulder surface and the central axis of the welding set; thirdly, determining the diameter of the upwards concave shaft shoulder surface; fourthly, determining the diameter of the downwards concave shaft shoulder surfaces; fifthly, determining an acute angle between the downwards concave shaft shoulder surface and the central axis of the welding set; sixthly, pressing the auxiliary stirring needle into a hollow structure without a support; and seventhly, realizing stirring friction welding for the hollow structure without the support. The welding set and the stirring friction welding method are used for welding hollow structures without supports.
Description
Technical field
The present invention relates to a kind of soldering set and method of friction stir welding, be specifically related to a kind of aclinal hollow unbraced structure friction stir welding and relative soldering set of shaft shoulder spill and do not have the aclinal of support friction stir welding method up and down of being used for.
Background technology
Agitating friction welding technology (Friction Stir Welding; Claim FSW) be by Britain's institute of welding (The Welding Institute; Be called for short TWI) in a new solid phase connecting method of invention in 1991, promptly can be through not melting mother metal and wlding connects.Friction stir welding overcome melting welding in the past such as shortcomings such as pore, crackle, distortion, it is simple to connect technology, joint quality is good, and Technological adaptability is preferably arranged.At present, this technology has been applied to the various fields of track traffic industries such as comprising light rail, subway, rapid and bullet train, and the agitating friction welding technology becomes the leading welding technique that vehicle body of railway vehicle is made just gradually.Owing to the requirement of, lightweight high-speed to train, body construction and welding point high security, the car body of Modern High-Speed train has formed the design that combines with aluminium alloy hollow profile structure and friction Stir and has made main line.Car wallboard, top board and the base plate etc. of the bullet train hollow material structures that adopt, the welding of hollow material structure is that the friction stir welding technology is applied to the importance that train is made more.Friction stir welding for the hollow material structure mainly comprises twin shaft shoulder self-sustaining friction stir welding now; Twin shaft shoulder self-sustaining agitating friction is welded in the welding process of no support hollow profile structure; Need preset guide hole opening weldering place before the welding, so that the insertion mixing needle; Postwelding need preset leadout hole, extracts mixing needle out; Prefabricated guide hole and leadout hole are difficult to form the weld seam of the structural integrity of sealing, also cause the welding process complicated operationization; Owing to causing the sweating heat input quantity to reach mixing needle greatly, following shaft shoulder area conference carries the problem that excessive load influences the performance of joint even causes the mixing needle fracture simultaneously.
Summary of the invention
The objective of the invention is for solving existing twin shaft shoulder self-sustaining prefabricated guide hole of friction stir welding needs and leadout hole; No rigidity backing plate supports in the friction stir welding process; Be difficult to form the excessive problem that causes joint performance to reduce of complete weld seam of sealing and hot input quantity, provide a kind of shaft shoulder to present recessed up concave type soldering set and do not have the aclinal of support friction stir welding method.
Soldering set of the present invention comprises cramping body and stirring body, and cramping body comprises cylinder and following cylinder, and said stirring body comprises main mixing needle and auxiliary mixing needle; Last cylinder, following cylinder, main mixing needle, auxiliary mixing needle set gradually and process one from top to bottom, and said cylindrical diameter is gone up cylindrical outer surface and is provided with clamping face less than following cylindrical diameter; Cylindrical outer surface is provided with at least two annular heat dams down; Main mixing needle is a bullet, and the upper end diameter of main mixing needle is greater than lower end diameter, and the outer surface of main mixing needle is provided with screw thread; Auxiliary mixing needle is a bullet; The lower end of auxiliary mixing needle is a cusp, and the conical outer surface of auxiliary mixing needle is uniformly distributed along the circumference and is provided with 4～8 grooves, and said cylindrical lower surface down is the fovea superior oblique crank Z shoulder face that outward flange is higher than the center; The upper surface of said auxiliary mixing needle is the recessed oblique crank Z shoulder face that outward flange is higher than the center, and the diameter of fovea superior oblique crank Z shoulder face is greater than the diameter of recessed oblique crank Z shoulder face.
Method of the present invention realizes through following steps:
Step 1, confirm the use length of stirring body: confirm the use length of stirring body according to the thickness of welded part, the use length of stirring body is less than the 0.05mm～0.35mm of the thickness of welded part;
Step 2, confirm the angle between fovea superior oblique crank Z shoulder face and the soldering set central axis: the last angle that the fovea superior oblique crank Z is takeed between face and the soldering set central axis is 75 °～81 °;
Step 4, confirm the diameter of recessed oblique crank Z shoulder face: confirm the diameter of recessed oblique crank Z shoulder face according to the diameter of fovea superior oblique crank Z shoulder face, the diameter of recessed oblique crank Z shoulder face is 0.15 times～0.35 times of the diameter of fovea superior oblique crank Z shoulder face;
Step 5, confirm the acute angle between recessed oblique crank Z shoulder face and the soldering set central axis: the following angle that recessed oblique crank Z is takeed between face and the soldering set central axis is 75 °～80 °;
Step 6, be pressed into auxiliary mixing needle: the vertical setting of solder side of soldering set and welded part, soldering set is moved to place to be welded, will assist mixing needle to contact workpiece to be welded;
Step 7, carry out the friction stir welding of hollow unbraced structure: soldering set is pressed in the welded part with 100 rev/mins～1500 rev/mins rotating speed, the press-in speed of 1 mm/min～10 mm/min; The compression distance of fovea superior oblique crank Z shoulder face is 0.1 millimeter～0.3 millimeter, with the speed of welding of 20 mm/min～1000 mm/min along the welding direction walking straight to the friction stir welding of accomplishing the hollow unbraced structure.
The present invention has the following advantages: one, the present invention is designed to the friction stir welding soldering set to have the self-sustaining agitating friction soldering set of the integral type twin shaft shoulder of main mixing needle and auxiliary mixing needle; And the last shaft shoulder face of main mixing needle is fovea superior oblique crank Z shoulder face; The last shaft shoulder face of auxiliary mixing needle is recessed oblique crank Z shoulder face, and in stir friction welding process, auxiliary mixing needle directly is pressed into welded part; Do not need prefabricated guide hole and leadout hole; Can form the weld seam of the structural integrity of sealing, simplify operating process, the shaft shoulder face of spill can prevent that plastic metal outwards flows in the welding process up and down; Realize the good shaping of weld seam upper and lower surfaces, thereby improved the adaptive capacity of hollow unbraced structure spare friction stir welding.Two, the diameter of recessed oblique crank Z shoulder face has solved the excessive problem of hot input quantity of twin shaft shoulder self-sustaining friction stir welding much smaller than the diameter of fovea superior oblique crank Z shoulder face.Three, assist being provided with of mixing needle to solve the problem that the nothing of no support hollow structural shape in welding process supports and the back is difficult to be shaped.Four, the groove of auxiliary mixing needle makes stirring body in rotary course, be pressed into more easily in the no support hollow structural shape, has prevented that welded piece from producing distortion.
Description of drawings
Fig. 1 is overall structure master's cutaway view that the aclinal of the present invention and the shaft shoulder are presented the soldering set of recessed up concave type friction stir welding; Fig. 2 is that the position of main mixing needle 3 and auxiliary mixing needle 4 concerns sketch map; Fig. 3 is the I partial enlarged drawing of Fig. 1.
The specific embodiment
The specific embodiment one: combine Fig. 1～Fig. 3 that this embodiment is described, this embodiment comprises cramping body and stirring body, and cramping body comprises cylinder 1 and following cylinder 2; Stirring body comprises main mixing needle 3 and auxiliary mixing needle 4, and last cylinder 1, cylinder 2, main mixing needle 3, auxiliary mixing needle 4 set gradually and process one from top to bottom down, the said diameter of going up the diameter of cylinder 1 less than following cylinder 2; The outer surface of last cylinder 1 is provided with clamping face 1-1; The outer surface of following cylinder 2 is provided with at least two annular heat dam 2-1, and main mixing needle 3 is a bullet, and the upper end diameter of main mixing needle 3 is greater than lower end diameter; The outer surface of main mixing needle 3 is provided with screw thread 3-1; Auxiliary mixing needle 4 is a bullet, and the lower end of auxiliary mixing needle 4 is a cusp, and the conical outer surface of auxiliary mixing needle 4 is uniformly distributed along the circumference and is provided with 4～8 groove 4-1; Groove 4-1 can insert in the workpiece to be welded in order to guarantee auxiliary mixing needle 4; The said lower surface of cylinder 2 down is the fovea superior oblique crank Z shoulder face 2-2 that outward flange is higher than the center, and fovea superior oblique crank Z shoulder face 2-2 does not have the needs that the inclination angle stir friction welding seam is shaped in order to satisfy the hollow unbraced structure, and fovea superior oblique crank Z shoulder face 2-2 has effectively prevented the outflow of plastic metal material; The upper surface of said auxiliary mixing needle 4 is the recessed oblique crank Z shoulder face 4-2 that outward flange is higher than the center; Recessed oblique crank Z shoulder face 4-2 is as the concave configuration of auxiliary mixing needle 4, and to prevent the outflow of weld seam bottom plastic metal material, the diameter D1 of fovea superior oblique crank Z shoulder face 2-2 is greater than the diameter D2 of recessed oblique crank Z shoulder face 4-2.
The specific embodiment two: combine Fig. 3 that this embodiment is described, recessed oblique crank Z shoulder face 4-2 of this embodiment and the angle between the soldering set central axis N-N are following angle, and following angle is 75 °～80 °.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: combine Fig. 1 that this embodiment is described, fovea superior oblique crank Z shoulder face 2-2 of this embodiment and the angle between the soldering set central axis N-N are to go up angle β, and last angle β is 75 °～81 °.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: the material of the soldering set of this embodiment is a high-speed steel.High-speed steel can be reused.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment five: combine Fig. 1～Fig. 3 to specify the performing step of this embodiment:
Step 1, confirm the use length L of stirring body: confirm the use length L of stirring body according to the thickness of welded part, the use length L of stirring body is less than the 0.05mm～0.35mm of the thickness of welded part;
Step 2, confirm the angle β between fovea superior oblique crank Z shoulder face 2-2 and the soldering set central axis N-N: the last angle β that the fovea superior oblique crank Z is takeed between face 2-2 and the soldering set central axis N-N is 75 °～81 °;
Step 4, confirm the diameter D2 of recessed oblique crank Z shoulder face 4-2: confirm the diameter of recessed oblique crank Z shoulder face 4-2 according to the diameter of fovea superior oblique crank Z shoulder face 2-2, the diameter D2 of recessed oblique crank Z shoulder face 4-2 is 0.15 times～0.35 times of the diameter D1 of fovea superior oblique crank Z shoulder face 2-2;
Step 5, confirm the sharp angle between recessed oblique crank Z shoulder face 4-2 and the soldering set central axis N-N: the following angle that recessed oblique crank Z is takeed between face 4-2 and the soldering set central axis N-N is 75 °～80 °;
Step 6, be pressed into auxiliary mixing needle 4: the vertical setting of solder side of soldering set and welded part, soldering set is moved to place to be welded, will assist mixing needle 4 to contact workpiece to be welded;
Step 7, carry out the friction stir welding of hollow unbraced structure: soldering set is pressed in the welded part with 100 rev/mins～1500 rev/mins rotating speed, the press-in speed of 1 mm/min～10 mm/min; The compression distance of fovea superior oblique crank Z shoulder face 2-2 is 0.1 millimeter～0.3 millimeter, with the speed of welding of 20 mm/min～1000 mm/min along the welding direction walking straight to the friction stir welding of accomplishing the hollow unbraced structure.
The specific embodiment six: combine Fig. 1 and Fig. 3 that this embodiment is described, the use length L of stirring body is less than the 0.2mm of the thickness of welded part in the step 1 of this embodiment.Other step is identical with the specific embodiment five.
The specific embodiment seven: combine Fig. 1 that this embodiment is described, the last angle β in the step 2 of this embodiment between fovea superior oblique crank Z shoulder face 2-2 and the soldering set central axis N-N is 80 °; Following angle in the step 5 between recessed oblique crank Z shoulder face 4-2 and the soldering set central axis N-N is 78 °.Other step is identical with the specific embodiment five.
The specific embodiment eight: combine Fig. 1 that this embodiment is described, the diameter D1 of fovea superior oblique crank Z shoulder face 2-2 is 2 times of welded part thickness in the step 3 of this embodiment; The diameter D2 of recessed oblique crank Z shoulder face 4-2 is 0.25 times of the diameter D1 of fovea superior oblique crank Z shoulder face 2-2 in the step 4.Other step is identical with the specific embodiment five.
The specific embodiment nine: this embodiment is that soldering set is pressed in the welded part with 500 rev/mins rotating speed, the press-in speed of 2 mm/min in the step 7; The compression distance of fovea superior oblique crank Z shoulder face 2-2 is 02 millimeter, with the speed of welding of 100 mm/min along the welding direction walking straight to the friction stir welding of accomplishing the hollow unbraced structure.Other step is identical with the specific embodiment five.
The specific embodiment ten: this embodiment is that soldering set is pressed in the welded part with 800 rev/mins rotating speed, the press-in speed of 3 mm/min in the step 7; The compression distance of fovea superior oblique crank Z shoulder face 2-2 is 0.25 millimeter, with the speed of welding of 300 mm/min along the welding direction walking straight to the friction stir welding of accomplishing the hollow unbraced structure.Other step is identical with the specific embodiment five.
Claims (10)
1. a shaft shoulder is presented recessed up concave type soldering set; Said soldering set comprises cramping body and stirring body; Cramping body comprises cylinder (1) and following cylinder (2), it is characterized in that: said stirring body comprises main mixing needle (3) and auxiliary mixing needle (4), and last cylinder (1), following cylinder (2), main mixing needle (3), auxiliary mixing needle (4) set gradually and process one from top to bottom; The said diameter of going up the diameter of cylinder (1) less than following cylinder (2); The outer surface of last cylinder (1) is provided with clamping face (1-1), and the outer surface of following cylinder (2) is provided with at least two annular heat dams (2-1), and main mixing needle (3) is a bullet; The upper end diameter of main mixing needle (3) is greater than lower end diameter; The outer surface of main mixing needle (3) is provided with screw thread (3-1), and auxiliary mixing needle (4) is a bullet, and the lower end of auxiliary mixing needle (4) is a cusp; The conical outer surface of auxiliary mixing needle (4) is uniformly distributed along the circumference and is provided with 4～8 grooves (4-1); The said lower surface of cylinder (2) down is the fovea superior oblique crank Z shoulder face (2-2) that outward flange is higher than the center, and the upper surface of said auxiliary mixing needle (4) is the recessed oblique crank Z shoulder face (4-2) that outward flange is higher than the center, and the diameter (D1) of fovea superior oblique crank Z shoulder face (2-2) is greater than the diameter (D2) of recessed oblique crank Z shoulder face (4-2).
2. present recessed up concave type soldering set according to the said shaft shoulder of claim 1, it is characterized in that: the angle between said recessed oblique crank Z shoulder face (4-2) and the soldering set central axis (N-N) is following angle (α), and following angle (α) is 75 °～80 °.
3. present recessed up concave type soldering set according to the claim 1 or the 2 said shaft shoulders, it is characterized in that: the angle between said fovea superior oblique crank Z shoulder face (2-2) and the soldering set central axis (N-N) is to go up angle (β), and last angle (β) is 75 °～81 °.
4. present recessed up concave type soldering set according to the said shaft shoulder of claim 3, it is characterized in that: the material of said soldering set is a high-speed steel.
5. one kind is utilized the said soldering set of claim 1 to realize not having the method that supports the aclinal friction stir welding, and it is characterized in that: said method realizes through following steps:
Step 1, confirm the use length (L) of stirring body: confirm the use length (L) of stirring body according to the thickness of welded part, the use length (L) of stirring body is less than the 0.05mm～0.35mm of the thickness of welded part;
Step 2, confirm the angle (β) between fovea superior oblique crank Z shoulder face (2-2) and the soldering set central axis (N-N): the last angle (β) that the fovea superior oblique crank Z is takeed between face (2-2) and the soldering set central axis (N-N) is 75 °～81 °;
Step 3, confirm the diameter (D1) of fovea superior oblique crank Z shoulder face (2-2): confirm the diameter (D1) of fovea superior oblique crank Z shoulder face (2-2) according to the thickness of welded part, the diameter (D1) of fovea superior oblique crank Z shoulder face (2-2) is 1.6 times～2.5 times of welded part thickness;
Step 4, confirm the diameter (D2) of recessed oblique crank Z shoulder face (4-2): confirm that according to the diameter of fovea superior oblique crank Z shoulder face (2-2) diameter of recessed oblique crank Z shoulder face (4-2), the diameter (D2) of recessed oblique crank Z shoulder face (4-2) take on 0.15 times～0.35 times of diameter (D1) of face (2-2) for the fovea superior oblique crank Z;
Step 5, confirm the acute angle (α) between recessed oblique crank Z shoulder face (4-2) and the soldering set central axis (N-N): the following angle (α) that recessed oblique crank Z is takeed between face (4-2) and the soldering set central axis (N-N) is 75 °～80 °;
Step 6, be pressed into auxiliary mixing needle (4): the vertical setting of solder side of soldering set and welded part, soldering set is moved to place to be welded, will assist mixing needle (4) to contact workpiece to be welded;
Step 7, carry out the friction stir welding of hollow unbraced structure: soldering set is pressed in the welded part with 100 rev/mins～1500 rev/mins rotating speed, the press-in speed of 1 mm/min～10 mm/min; The compression distance of fovea superior oblique crank Z shoulder face (2-2) is 0.1 millimeter～0.3 millimeter, with the speed of welding of 20 mm/min～1000 mm/min along the welding direction walking straight to the friction stir welding of accomplishing the hollow unbraced structure.
6. support the method for aclinal friction stir welding according to the said nothing of claim 5, it is characterized in that: the use length (L) of stirring body is less than the 0.2mm of the thickness of welded part in the step 1.
7. support the method for aclinal friction stir welding according to the said nothing of claim 5, it is characterized in that: the last angle (β) in the step 2 between fovea superior oblique crank Z shoulder face (2-2) and the soldering set central axis (N-N) is 80 °; Following angle (α) in the step 5 between recessed oblique crank Z shoulder face (4-2) and the soldering set central axis (N-N) is 78 °.
8. support the method for aclinal friction stir welding according to the said nothing of claim 5, it is characterized in that: the diameter (D1) of fovea superior oblique crank Z shoulder face (2-2) is 2 times of welded part thickness in the step 3; The diameter (D2) of recessed oblique crank Z shoulder face (4-2) is takeed on 0.25 times of diameter (D1) of face (2-2) in the step 4 for the fovea superior oblique crank Z.
9. support the method for aclinal friction stir welding according to the said nothing of claim 5; It is characterized in that: soldering set is pressed in the welded part with 500 rev/mins rotating speed, the press-in speed of 2 mm/min in the step 7; The compression distance of fovea superior oblique crank Z shoulder face (2-2) is 0.2 millimeter, with the speed of welding of 100 mm/min along the welding direction walking straight to the friction stir welding of accomplishing the hollow unbraced structure.
10. support the method for aclinal friction stir welding according to the said nothing of claim 5; It is characterized in that: soldering set is pressed in the welded part with 800 rev/mins rotating speed, the press-in speed of 3 mm/min in the step 7; The compression distance of fovea superior oblique crank Z shoulder face (2-2) is 0.25 millimeter, with the speed of welding of 300 mm/min along the welding direction walking straight to the friction stir welding of accomplishing the hollow unbraced structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100782141A CN102601514B (en) | 2012-03-22 | 2012-03-22 | Welding set with upwards and downwards concave shaft shoulder and stirring friction welding method implemented without aid of support or inclination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100782141A CN102601514B (en) | 2012-03-22 | 2012-03-22 | Welding set with upwards and downwards concave shaft shoulder and stirring friction welding method implemented without aid of support or inclination |
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| Publication Number | Publication Date |
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| CN102601514A true CN102601514A (en) | 2012-07-25 |
| CN102601514B CN102601514B (en) | 2013-12-04 |
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| CN2012100782141A Expired - Fee Related CN102601514B (en) | 2012-03-22 | 2012-03-22 | Welding set with upwards and downwards concave shaft shoulder and stirring friction welding method implemented without aid of support or inclination |
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| CN103121145A (en) * | 2013-02-07 | 2013-05-29 | 沈阳航空航天大学 | Method for manufacturing ultra-fine grain/nanocrystalline board and based on ultrasonic wave assistance semi-solid state stirring friction processing technology |
| CN104625394A (en) * | 2015-02-12 | 2015-05-20 | 江苏烁石焊接科技有限公司 | Single-shoulder stirring head used for welding metal clad plates |
| CN104972219A (en) * | 2014-04-08 | 2015-10-14 | 中国科学院沈阳自动化研究所 | Welding tool achieving weld joint zero thinning during friction stir welding and welding method |
| CN105414738A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Method for friction-deformation-diffusion welding of circular-groove-assisted reinforcing tube plate |
| CN105414740A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Solid-phase diffusion bonding method for integrated expanded jointing and welding of tube sheet structure |
| CN106271030A (en) * | 2016-09-20 | 2017-01-04 | 江西理工大学 | A kind of stagewise stirring-head for the weldering of slab agitating friction |
| CN106914695A (en) * | 2015-12-28 | 2017-07-04 | 中国科学院沈阳自动化研究所 | A kind of application of friction stir welding tools in rotating speed high welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121145A (en) * | 2013-02-07 | 2013-05-29 | 沈阳航空航天大学 | Method for manufacturing ultra-fine grain/nanocrystalline board and based on ultrasonic wave assistance semi-solid state stirring friction processing technology |
| CN103121145B (en) * | 2013-02-07 | 2015-08-26 | 沈阳航空航天大学 | A kind of method preparing Ultra-fine Grained/nanocrystalline sheet material based on ultrasonic wave added Semi-solid Stirring friction processing technology |
| CN104972219A (en) * | 2014-04-08 | 2015-10-14 | 中国科学院沈阳自动化研究所 | Welding tool achieving weld joint zero thinning during friction stir welding and welding method |
| CN104972219B (en) * | 2014-04-08 | 2017-09-26 | 中国科学院沈阳自动化研究所 | A kind of soldering set for realizing that stir friction welding seam zero is thinned and welding method |
| CN104625394A (en) * | 2015-02-12 | 2015-05-20 | 江苏烁石焊接科技有限公司 | Single-shoulder stirring head used for welding metal clad plates |
| CN106914695A (en) * | 2015-12-28 | 2017-07-04 | 中国科学院沈阳自动化研究所 | A kind of application of friction stir welding tools in rotating speed high welding |
| CN105414738A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Method for friction-deformation-diffusion welding of circular-groove-assisted reinforcing tube plate |
| CN105414740A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Solid-phase diffusion bonding method for integrated expanded jointing and welding of tube sheet structure |
| CN105414740B (en) * | 2015-12-30 | 2017-11-03 | 哈尔滨工业大学 | A kind of diffusion welding method of tube plate structure expanded and welded tube joint integration |
| CN106271030A (en) * | 2016-09-20 | 2017-01-04 | 江西理工大学 | A kind of stagewise stirring-head for the weldering of slab agitating friction |
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| CN102601514B (en) | 2013-12-04 |
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