CN101982284A - Repair welding method and welding tool of stirring friction plug for friction preheating of telescopic shaft shoulder - Google Patents
Repair welding method and welding tool of stirring friction plug for friction preheating of telescopic shaft shoulder Download PDFInfo
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- CN101982284A CN101982284A CN 201010531947 CN201010531947A CN101982284A CN 101982284 A CN101982284 A CN 101982284A CN 201010531947 CN201010531947 CN 201010531947 CN 201010531947 A CN201010531947 A CN 201010531947A CN 101982284 A CN101982284 A CN 101982284A
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Abstract
The invention provides a repair welding method and a welding tool of a stirring friction plug for friction preheating of a telescopic shaft shoulder, which relates to a repair welding method and a welding tool of a filling type stirring friction plug. The invention solves the problems that in the repair welding process of the filling type stirring friction plug, strong resistance causes a stirring needle to be broken when the stirring needle does not completely plastic deformation so that the continuous fluidity of materials is poor. The method comprises the following steps: (1) taking the same materials for the stirring needle and the repair welded part; (2) punching a conical defect repair preset hole; (3) determining the size of the stirring needle; (4) positioning the conical defect repair preset hole; (5) preheating by friction; and (6) carrying out repair welding. The welding tool is characterized in that an upper circular ring on the telescopic shaft shoulder is connected with a lower cylinder on a clamping body of the welding tool through a key, a spring is arranged between the upper end surface of a lower circular ring on the telescopic shaft shoulder and the lower end surface of the lower cylinder, the lower cylinder is connected with the outer surface of the lower circular ring by a limiting plate, and a stirring body is arranged in a clamping hole on the clamping body of the welding tool and a through hole on the telescopic shaft shoulder. The invention is used for stirring friction welding of welded seam keyholes and repair welding of defects.
Description
Technical field
The present invention relates to the method and the soldering set thereof of the repair welding of a kind of filled type friction stir plug, be used for the repair welding of stir friction welding seam keyhole and defective.
Background technology
Since Britain's institute of welding (TWI) was invented friction stir welding method in 1991; this technology is little because of its welding deformation, residual stress is little; need not protective gas and packing material; can eliminate pore, be mingled with, weld defect such as crackle; and not producing arc light, flue dust, noise pollution etc., the characteristics of can significantly reduce cost simultaneously, save material, optimizing structure, alleviate aircraft such as construction weight receive the concern of various countries scientific research institution.Because this technology has the not available distinguishing feature of a lot of additive methods, it is used to space industry soon, and the welding of carrier rocket core level tank tube section longitudinal joint of new generation is exactly to select this method for use.Although utilize friction stir welding method can obtain the high quality welding joint, in the engineering practical operation, be difficult to avoid fully the generation of weld defect, particularly keyhole, be difficult to especially eliminate.Mainly contain with the method that solves stir friction welding seam keyhole and weld defect on the engineering: melting welding, friction plug weld, pumpback formula soldering set friction stir welding and the repair welding of filled type friction stir plug.
The mode that melting welding generally selects for use argon tungsten-arc welding (TIG) to fill silk realizes that current most weld defects all adopt traditional manual TIG weldering to repair.This method is easy and simple to handle, but hot input quantity is big, easily causes weld seam regional area grain growth, and toughness reduces, and can cause bigger residual stress and distortion at the repair welding position simultaneously.In addition, the manual TIG repair welding is once success often, and some aluminium alloy can not carry out repeatedly repair welding, too much repair welding meeting causes joint alloying element scaling loss, have a strong impact on joint quality, even cause product rejection, thereby cause significantly improving and the prolongation of production cycle of product cost.
Friction plug weld belongs to solid phase and connects, in the process of patch weld metal molten can not appear, weld residual stress is low, workpiece deformation is little, significantly improve mechanical property, fatigue strength, fracture toughness and the joint plasticity of repair welding weld seam, welding parameter can accurately be controlled, technology stability and repeatability height have improved the once successful probability of repair welding.But the method needs secondary operations because whole stopper is placed the repair welding position, unnecessary stopper is removed, and owing to the stressed regional area that only is confined to the consent sidewall in the plug welding process, it is serious to cause the repair welding regional stress to be concentrated, and has influenced the mechanical property of joint.And the method need be carried out urgency and be stopped when applying upset force, need special equipment, can't realize on conventional friction stir welding machine.
Pumpback formula soldering set agitating friction is welded in the welding process identical with conventional friction stir welding, just in welding ending place, pumpback gradually in the mixing needle rotary course, backfill by shaft shoulder bottom plastic metal, realize the filling of keyhole, but the realization of this technology not only needs complicated control system and dynamical system and corresponding frame for movement, and owing to there is not abundant plastic metal to realize backfill, though keyhole has been eliminated, but cause the attenuation of weld seam afterbody joint effective thickness, still do not have thoroughly to eliminate the influence of keyhole.
Can not realize solid phase repair welding though do not possess the friction stir plug repair welding of preheating link to keyhole and defective, but the strong resistance of repair welding part material can cause mixing needle not perfect plasticity distortion just rupture, make the continuous flow variation of material, reduce the mechanical property of joint.
Summary of the invention
The objective of the invention is for solving in the filled type friction stir plug process of patch weld, owing to the repair welding part material is not carried out preheating, its strong resistance can cause mixing needle not perfect plasticity distortion just rupture, make the continuous flow variation of material, the problem that causes the welding joint mechanical property difference provides a kind of scalable shaft shoulder friction preheating friction stir plug repair method and soldering set thereof.
Method of the present invention realizes by following steps: one, choosing of mixing needle material: the material of mixing needle is with identical by the part material of repair welding; Two, open taper defect repair preset holes: made a locating hole by the weld defect place of repair welding, it is taper hole that locating hole is expanded, and this taper hole is the taper defect repair preset holes for the treatment of repair welding; Three, determine the size of mixing needle: the exterior contour size of mixing needle should be greater than the in-profile size of taper defect repair preset holes; Four, taper defect repair preset holes is located: make the dead in line of taper defect repair preset holes and mixing needle; Five, friction preheating: when the lower surface of the flexible shaft shoulder begins to contact with surface of the work, mixing needle does not also contact with taper defect repair preset holes sidewall, spring generation strain between the soldering set cramping body and the flexible shaft shoulder, the elastic deformation force acts on the upper surface of the following annulus on the flexible shaft shoulder, produce relative rubbing action between the lower surface that makes down annulus and the surface of the work, utilize frictional heat near the heating that rubs of the material taper defect repair preset holes, thereby realize preheating taper defect repair preset holes; Six, repair welding: after warm finishes, along with being pressed into gradually of soldering set, the conical section of mixing needle from through hole, stretch out fully and outside be exposed at down outside the lower surface of annulus, mixing needle closely contacts with the taper defect repair preset holes inner-wall material for the treatment of repair welding, and agitating friction, the plastic deformation phenomenon appears in the interface zone metal, under the effect of the lower surface of the flexible shaft shoulder and the heat production of surface of the work agitating friction and mixing needle and the heat production of taper defect repair preset holes sidewall agitating friction, and under the effect of torsional shear power, the conical section complete filling of the mixing needle after the plastic deformation is in taper defect repair preset holes, make soldering set move 1mm～5mm at last along welding direction, realization is to the repair welding of stir friction welding seam defective and keyhole, soldering set is mentioned, spring is in relaxed state, stirs needle handle and leaves in the clamping hole of soldering set cramping body.
Soldering set of the present invention comprises the soldering set cramping body, the flexible shaft shoulder, stirring body, spring, four limiting plates and at least four keys, described stirring body is made up of mixing needle and stirring needle handle, stir needle handle and mixing needle and make one from top to bottom, the outer surface that stirs needle handle is provided with the mixing needle clamping face, mixing needle is a cone, described soldering set cramping body is made up of coaxial last cylinder and following cylinder, go up cylindrical diameter less than following cylindrical diameter, last cylinder is made one with following cylinder, go up cylindrical outer surface and be provided with the soldering set clamping face, place, down cylindrical axle center is provided with shoulder hole, shoulder hole is respectively annulus hole and clamping hole from the bottom to top, the sidewall of clamping hole is provided with the tapped through hole perpendicular to following cylinder axis, be laid with at least four inside grooves on the inwall in last annulus hole, the flexible shaft shoulder is made up of coaxial last annulus and following annulus, the external diameter of last annulus is less than the external diameter of following annulus, last annulus is made one with following annulus, the outer surface of last annulus is laid with and four inside grooves water jacket one to one at least, last annulus on the flexible shaft shoulder is arranged in the annulus hole, each is equipped with a key in water jacket and the inside groove one to one, the external diameter of following annulus equates with following cylindrical external diameter, the place, axle center of the flexible shaft shoulder be provided with clamping hole over against and the through hole that equates of aperture, spring is between the upper surface of following cylindrical lower surface and following annulus, and spring housing is contained on the annulus, the external diameter of following annulus equates with following cylindrical external diameter, each limiting plate is provided with slotted hole, four uniform annulus and following cylindrical outer surface of being arranged on down of limiting plate, the upper end of each limiting plate is connected limiting plate by screw with following cylinder, the lower end of each limiting plate is connected limiting plate by screw with following annulus, and the screw on each limiting plate all passes slotted hole, stirring needle handle on the stirring body is arranged in through hole and the clamping hole, and mixing needle clamping face and tapped through hole over against, 2/3rds conical sections of mixing needle expose to down outside the lower surface of annulus.
The present invention has the following advantages: one, the present invention by the flexible shaft shoulder 2 with treat the mutual friction realization preheating mutually of repair welding region surface, make and treat repair welding region material generation plastic deformation, and then reduce its resistance to mixing needle, thereby easily making the repair welding region material that sufficient plasticity takes place flows, form well behaved repair welding joint, fundamentally solved in the filled type friction stir plug process of patch weld, the powerful resistance at repair welding position cause mixing needle not perfect plasticity distortion just rupture, cause the problem of welding joint mechanical property difference.Two, utilize method of the present invention and soldering set thereof can realize rubbing preheating and filled type friction stir plug repair welding integrated design, simplified repair welding, improved technology stability and repeatability, adaptability is strong.Three, the repair welding of scalable shaft shoulder friction preheating friction stir plug is the same with friction stir welding and friction plug weld, belonging to solid phase connects, metal molten does not appear in the welding process, and under the agitating friction effect of the shaft shoulder, weld residual stress reduces, workpiece deformation reduces, and has significantly improved the mechanical property of repair welding weld seam, for aluminium alloy, repair welding strength of joint coefficient has reached 0.75, repair welding joint percentage elongation 〉=5%.
Description of drawings
Fig. 1 is the soldering set structure master cutaway view of scalable shaft shoulder friction preheating friction stir plug repair welding;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is that the K of Fig. 1 is to view;
Fig. 4 is structure master's cutaway view of stirring body 3;
Fig. 5 is the soldering set warm state diagram of scalable shaft shoulder friction preheating friction stir plug repair welding;
Fig. 6 is the soldering set process of patch weld state diagram of scalable shaft shoulder friction preheating friction stir plug repair welding;
Fig. 7 is state diagram after the soldering set repair welding of scalable shaft shoulder friction preheating friction stir plug repair welding.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1, Fig. 5, Fig. 6 and Fig. 7 present embodiment is described, present embodiment realizes by following steps: one, choosing of mixing needle material: the material of mixing needle 3-1 is with identical by the part material of repair welding; Two, open taper defect repair preset holes: made a locating hole by the weld defect place of repair welding, boring according to the repair welding demand with type is taper hole with the locating hole expansion, and this taper hole is the taper defect repair preset holes for the treatment of repair welding; Three, determine the size of mixing needle: the exterior contour size of mixing needle 3-1 should have abundant friction and enough loadings in order to guarantee mixing needle and defect repair preset holes greater than the in-profile size of taper defect repair preset holes; Four, taper defect repair preset holes is located: make the dead in line of taper defect repair preset holes and mixing needle 3-1; Five, friction preheating: when the lower surface of the flexible shaft shoulder 2 begins to contact with surface of the work, mixing needle 3-1 does not also contact with taper defect repair preset holes sidewall, strain takes place in the spring 4 that the soldering set cramping body 1 and the flexible shaft shoulder are 2, the elastic deformation force acts on the upper surface of the following annulus 2-2 on the flexible shaft shoulder 2, produce relative rubbing action between the lower surface that makes down annulus 2-2 and the surface of the work, utilize frictional heat near the heating that rubs of the material taper defect repair preset holes, thereby realize the preheating to taper defect repair preset holes, the soldering set state as shown in Figure 5; Six, repair welding: after warm finishes, along with being pressed into gradually of soldering set, as shown in Figure 6, the conical section of mixing needle 3-1 from through hole 2-3, stretch out fully and outside be exposed at down outside the lower surface of annulus 2-2, mixing needle 3-1 closely contacts with the taper defect repair preset holes inner-wall material for the treatment of repair welding, and agitating friction, the plastic deformation phenomenon appears in the interface zone metal, under the effect of the lower surface of the flexible shaft shoulder 2 and the heat production of surface of the work agitating friction and mixing needle 3-1 and the heat production of taper defect repair preset holes sidewall agitating friction, and under the effect of torsional shear power, the conical section complete filling of mixing needle 3-1 after the plastic deformation is in taper defect repair preset holes, flow for making material that better plasticity take place, make soldering set move 1mm～5mm at last along welding direction, realization is to the repair welding of stir friction welding seam defective and keyhole, and soldering set is mentioned, and spring 4 is in relaxed state, stir needle handle and leave in the clamping hole 1-2-2 of soldering set cramping body 1, the soldering set state as shown in Figure 7.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1～Fig. 4, present embodiment comprises soldering set cramping body 1, the flexible shaft shoulder 2, stirring body 3, spring 4, four limiting plates 5 and at least four keys 6, stirring body 3 is made up of mixing needle 3-1 and stirring needle handle 3-2, stir needle handle 3-2 and mixing needle 3-1 and make one from top to bottom, the outer surface that stirs needle handle 3-2 is provided with mixing needle clamping face 3-2-1, mixing needle 3-1 is a cone, soldering set cramping body 1 is made up of coaxial last cylinder 1-1 and following cylinder 1-2, the diameter of last cylinder 1-1 is less than the diameter of following cylinder 1-2, last cylinder 1-1 and following cylinder 1-2 make one, the outer surface of last cylinder 1-1 is provided with soldering set clamping face 1-1-1, the place, axle center of following cylinder 1-2 is provided with shoulder hole, shoulder hole is respectively annulus hole 1-2-1 and clamping hole 1-2-2 from the bottom to top, the sidewall of clamping hole 1-2-2 is provided with the tapped through hole 1-2-3 perpendicular to following cylinder 1-2 axis, be laid with at least four inside groove 1-2-1-1 on the inwall of last annulus hole 1-2-1, the flexible shaft shoulder 2 is made up of coaxial last annulus 2-1 and following annulus 2-2, the external diameter of last annulus 2-1 is less than the external diameter of following annulus 2-2, last annulus 2-1 and following annulus 2-2 make one, the outer surface of last annulus 2-1 is laid with the water jacket 2-1-1 one to one with at least four inside groove 1-2-1-1, last annulus 2-1 on the flexible shaft shoulder 2 is arranged among the 1-2-1 of annulus hole, each is equipped with a key 6 among water jacket 2-1-1 and the inside groove 1-2-1-1 one to one, the external diameter of following annulus 2-2 equates with the external diameter of following cylinder 1-2, the place, axle center of the flexible shaft shoulder 2 be provided with clamping hole 1-2-2 over against and the through hole 2-3 that equates of aperture, clamping hole 1-2-2 and through hole 2-3 are used to place stirring body 3, spring 4 is between the upper surface of the lower surface of descending cylinder 1-2 and following annulus 2-2, and spring 4 is sleeved on the annulus 2-1, the external diameter of following annulus 2-2 equates with the external diameter of following cylinder 1-2, each limiting plate 5 is provided with slotted hole 5-1, four limiting plate 5 uniform outer surface that are arranged on down annulus 2-2 and following cylinder 1-2, the upper end of each limiting plate 5 is connected limiting plate 5 by screw with following cylinder 1-2, the lower end of each limiting plate 5 is connected limiting plate 5 by screw with following annulus 2-2, and the screw on each limiting plate 5 all passes slotted hole 5-1, the screw that is positioned at the below on each limiting plate 5 can drive the flexible shaft shoulder 2 and move up and down along slotted hole 5-1, stirring needle handle 3-2 on the stirring body 3 is arranged among through hole 2-3 and the clamping hole 1-2-2, and mixing needle clamping face 3-2-1 and tapped through hole 1-2-3 over against, 2/3rds conical sections of mixing needle 3-1 expose to down outside the lower surface of annulus 2-2.Bolt 7 tightens together stirring body 3 by tapped through hole 1-2-3 with following cylinder 1-2.When the lower surface of annulus 2-2 begins to contact with surface of the work instantly, mixing needle 3-1 does not also contact with taper defect repair preset holes sidewall, but strain has taken place in spring 4, the elastic deformation force acts on down on the upper surface of annulus 2-2, produce relative rubbing action between the lower surface that makes down annulus 2-2 and the surface of the work, utilize frictional heat near the heating that rubs of the material taper defect repair preset holes, thereby realize preheating the defect repair preset holes.
The specific embodiment three: in conjunction with Fig. 1 present embodiment is described, the lower surface of the following annulus 2-2 of present embodiment is provided with the spill shaft shoulder face 2-2-1 that outward flange is higher than the center.Spill shaft shoulder face 2-2-1 has effectively prevented the outflow of the material after the mixing needle 3-1 plastification.Other composition and annexation are identical with the specific embodiment two.
The specific embodiment four: present embodiment is described in conjunction with Fig. 1, place, the axle center of soldering set cramping body 1 upper surface of present embodiment is provided with the material returned hole 1-3 that communicates with clamping hole 1-2-2 on the following cylinder 1-2, and the bore dia of material returned hole 1-3 is less than the bore dia of clamping hole 1-2-2.After repair welding is finished, can release, be convenient to change stirring body 3 from the stirring needle handle 3-2 that material returned hole 1-3 will be retained in the clamping hole 1-2-2.Other composition and annexation are identical with the specific embodiment two or three.
The specific embodiment five: in conjunction with Fig. 1 present embodiment is described, the soldering set cramping body 1 of present embodiment and the material of the flexible shaft shoulder 2 are high-speed steel.The soldering set cramping body 1 and the flexible shaft shoulder 2 can adopt the high-speed steel of W18Cr4V, W6Mo5Cr4V2, the W9Mo3Cr4V trade mark, and the high-speed-steel structure of above-mentioned material can be reused.The material of stirring body 3 is with identical by the part material of repair welding.Other composition and annexation are identical with the specific embodiment four.
Claims (5)
1. scalable shaft shoulder friction preheating friction stir plug repair method, it is characterized in that: described method realizes by following steps: one, choosing of mixing needle material: the material of mixing needle (3-1) is with identical by the part material of repair welding; Two, open taper defect repair preset holes: made a locating hole by the weld defect place of repair welding, it is taper hole that locating hole is expanded, and this taper hole is the taper defect repair preset holes for the treatment of repair welding; Three, determine the size of mixing needle: the exterior contour size of mixing needle (3-1) should be greater than the in-profile size of taper defect repair preset holes; Four, taper defect repair preset holes is located: make the dead in line of taper defect repair preset holes and mixing needle (3-1); Five, friction preheating: when the lower surface of the flexible shaft shoulder (2) begins to contact with surface of the work, mixing needle (3-1) does not also contact with taper defect repair preset holes sidewall, strain takes place in the spring (4) between the soldering set cramping body (1) and the flexible shaft shoulder (2), the elastic deformation force acts on the upper surface of the following annulus (2-2) on the flexible shaft shoulder (2), produce relative rubbing action between the lower surface that makes down annulus (2-2) and the surface of the work, utilize frictional heat near the heating that rubs of the material taper defect repair preset holes, thereby realize preheating taper defect repair preset holes; Six, repair welding: after warm finishes, along with being pressed into gradually of soldering set, the conical section of mixing needle (3-1) from through hole (2-3), stretch out fully and outside be exposed at down outside the lower surface of annulus (2-2), mixing needle (3-1) closely contacts with the taper defect repair preset holes inner-wall material for the treatment of repair welding, and agitating friction, the plastic deformation phenomenon appears in the interface zone metal, under the effect of the lower surface of the flexible shaft shoulder (2) and the heat production of surface of the work agitating friction and mixing needle (3-1) and the heat production of taper defect repair preset holes sidewall agitating friction, and under the effect of torsional shear power, the conical section complete filling of the mixing needle after the plastic deformation (3-1) is in taper defect repair preset holes, make soldering set move 1mm～5mm at last along welding direction, realization is to the repair welding of stir friction welding seam defective and keyhole, soldering set is mentioned, spring (4) is in relaxed state, stirs needle handle and leaves in the clamping hole (1-2-2) of soldering set cramping body (1).
2. soldering set of realizing the described scalable shaft shoulder friction of claim 1 preheating friction stir plug repair method, described soldering set comprises stirring body (3), described stirring body (3) is made up of mixing needle (3-1) and stirring needle handle (3-2), stir needle handle (3-2) and mixing needle (3-1) and make one from top to bottom, the outer surface that stirs needle handle (3-2) is provided with mixing needle clamping face (3-2-1), mixing needle (3-1) is a cone, it is characterized in that: described soldering set also comprises soldering set cramping body (1), the flexible shaft shoulder (2), spring (4), four limiting plates (5) and at least four keys (6), described soldering set cramping body (1) is made up of coaxial last cylinder (1-1) and following cylinder (1-2), the diameter of last cylinder (1-1) is less than the diameter of following cylinder (1-2), last cylinder (1-1) is made one with following cylinder (1-2), the outer surface of last cylinder (1-1) is provided with soldering set clamping face (1-1-1), the place, axle center of following cylinder (1-2) is provided with shoulder hole, shoulder hole is respectively annulus hole (1-2-1) and clamping hole (1-2-2) from the bottom to top, the sidewall of clamping hole (1-2-2) is provided with the tapped through hole (1-2-3) perpendicular to following cylinder (1-2) axis, be laid with at least four inside grooves (1-2-1-1) on the inwall in last annulus hole (1-2-1), the flexible shaft shoulder (2) is made up of coaxial last annulus (2-1) and following annulus (2-2), the external diameter of last annulus (2-1) is less than the external diameter of following annulus (2-2), last annulus (2-1) is made one with following annulus (2-2), the outer surface of last annulus (2-1) is laid with and four inside grooves (1-2-1-1) water jacket (2-1-1) one to one at least, last annulus (2-1) on the flexible shaft shoulder (2) is arranged in the annulus hole (1-2-1), each is equipped with a key (6) in water jacket (2-1-1) and the inside groove (1-2-1-1) one to one, the external diameter of following annulus (2-2) equates with the external diameter of following cylinder (1-2), the place, axle center of the flexible shaft shoulder (2) be provided with clamping hole (1-2-2) to and the through hole (2-3) that equates of aperture, spring (4) is positioned between the upper surface of the lower surface of following cylinder (1-2) and following annulus (2-2), and spring (4) is sleeved on the annulus (2-1), the external diameter of following annulus (2-2) equates with the external diameter of following cylinder (1-2), each limiting plate (5) is provided with slotted hole (5-1), the uniform outer surface that is arranged on down annulus (2-2) and following cylinder (1-2) of four limiting plates (5), the upper end of each limiting plate (5) is connected limiting plate (5) by screw with following cylinder (1-2), the lower end of each limiting plate (5) is connected limiting plate (5) by screw with following annulus (2-2), and the screw on each limiting plate (5) all passes slotted hole (5-1), stirring needle handle (3-2) on the stirring body (3) is arranged in through hole (2-3) and the clamping hole (1-2-2), and mixing needle clamping face (3-2-1) is right with tapped through hole (1-2-3), and 2/3rds conical sections of mixing needle (3-1) expose to down outside the lower surface of annulus (2-2).
3. according to the soldering set of the described scalable shaft shoulder friction preheating friction stir plug of claim 2 repair welding, it is characterized in that: the described lower surface of annulus (2-2) down is provided with the spill shaft shoulder face (2-2-1) that outward flange is higher than the center.
4. according to the soldering set of claim 2 or 3 described scalable shaft shoulders friction preheating friction stir plug repair weldings, it is characterized in that: place, the axle center of soldering set cramping body (1) upper surface is provided with the material returned hole (1-3) that communicates with clamping hole (1-2-2) on the following cylinder (1-2), and the bore dia of material returned hole (1-3) is less than the bore dia of clamping hole (1-2-2).
5. according to the soldering set of the described scalable shaft shoulder friction preheating friction stir plug of claim 4 repair welding, it is characterized in that: the material of the described soldering set cramping body (1) and the flexible shaft shoulder (2) is high-speed steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105319477A CN101982284B (en) | 2010-11-04 | 2010-11-04 | Repair welding method and welding tool of stirring friction plug for friction preheating of telescopic shaft shoulder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105319477A CN101982284B (en) | 2010-11-04 | 2010-11-04 | Repair welding method and welding tool of stirring friction plug for friction preheating of telescopic shaft shoulder |
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| CN101982284A true CN101982284A (en) | 2011-03-02 |
| CN101982284B CN101982284B (en) | 2012-06-27 |
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| CN2010105319477A Expired - Fee Related CN101982284B (en) | 2010-11-04 | 2010-11-04 | Repair welding method and welding tool of stirring friction plug for friction preheating of telescopic shaft shoulder |
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| CN109967857A (en) * | 2019-03-22 | 2019-07-05 | 哈尔滨工业大学 | It is a kind of to realize the big antiwelding friction stir welding tools of depth-to-width ratio low-resistance |
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| CN112935517A (en) * | 2021-01-26 | 2021-06-11 | 山东大学 | Tool clamp and clamping method of split type stirring head for friction stir welding |
| CN114406443A (en) * | 2022-03-09 | 2022-04-29 | 南京理工大学 | Friction stir welding keyhole repair method based on solid state connection principle |
| CN115647562A (en) * | 2022-11-04 | 2023-01-31 | 哈尔滨工业大学 | Friction stir tunnel forming device and method |
| WO2024055561A1 (en) * | 2022-09-15 | 2024-03-21 | 东南大学 | Friction stir welding apparatus and method |
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| CN102615417A (en) * | 2012-04-19 | 2012-08-01 | 中国航空工业集团公司北京航空制造工程研究所 | Injection type stirring friction welding device |
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| CN105562921A (en) * | 2016-03-02 | 2016-05-11 | 江苏科技大学 | Buckling type double-shaft-shoulder friction stir head |
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| CN106112253A (en) * | 2016-08-08 | 2016-11-16 | 江苏海装金属成型科技有限公司 | A kind of stirring friction welding agitator head |
| CN106475676A (en) * | 2016-10-20 | 2017-03-08 | 江苏大学 | Instrument for agitating friction Surface Machining |
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| CN106624340A (en) * | 2016-12-30 | 2017-05-10 | 广东省焊接技术研究所（广东省中乌研究院） | Floating double-shaft shoulder friction stir welding tool and method for space welding |
| CN106624340B (en) * | 2016-12-30 | 2022-08-26 | 广东省科学院中乌焊接研究所 | Floating double-shaft-shoulder friction stir welding tool and method for space welding |
| CN107175401A (en) * | 2017-05-17 | 2017-09-19 | 北京世佳博科技发展有限公司 | Improve the flexible friction stir welding tool and welding method of production efficiency |
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| CN108788445A (en) * | 2018-08-09 | 2018-11-13 | 湖南文理学院 | A kind of static shaft shoulder agitating friction soldering equipment |
| CN109048044A (en) * | 2018-10-16 | 2018-12-21 | 江苏科技大学 | A kind of stirring-head for eliminating friction stir welding keyhole |
| CN109967857A (en) * | 2019-03-22 | 2019-07-05 | 哈尔滨工业大学 | It is a kind of to realize the big antiwelding friction stir welding tools of depth-to-width ratio low-resistance |
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