CN104759780B - Friction welding connector structure - Google Patents
Friction welding connector structure Download PDFInfo
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- CN104759780B CN104759780B CN201510182439.5A CN201510182439A CN104759780B CN 104759780 B CN104759780 B CN 104759780B CN 201510182439 A CN201510182439 A CN 201510182439A CN 104759780 B CN104759780 B CN 104759780B
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- frustum
- welded
- diameter
- friction
- joint
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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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- 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
- B23K20/129—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 specially adapted for particular articles or workpieces
Abstract
The invention belongs to the field of friction welding, and particularly relates to a welding connector structure used in dissimilar metal rotating body component friction welding. According to the structure, on the basis of structural design of an inclined connector mode, one workpiece connector or two workpiece connectors are designed to be a structural mode similar to tooth joint, the mode is usually designed on a harder material, in the friction welding process, the harder material is embedded into a soft material, an interface generates plastic deformation and diffusion composition while an embedding structural mode is formed, according to the structural mode, in the subsequent fatigue, impact and other processes of the welding connector, the performance of the welding connector can be improved through the action of the internal interface staggering resistance.
Description
Technical field
The invention belongs to friction welding field is and in particular to welding point in a kind of dissimilar metal revolving body member friction welding (FW)
Structure.
Background technology
Friction welding technique is by rubbing between material to be welded, producing heat, material is sent out in the presence of upset force
Raw plastic deformation and flowing, and then connect mother metal.Friction welding technique due to its efficiently, energy-conservation, precision, high-quality,
Oil, aerospace, automobile and military-civil field are widely applied, and Friction welding technique not only connects in same metal
Field is widely used, and also there is more application the dissimilar metal connection area being difficult to realize connecting in common linking techniques, such as aluminum steel,
The friction welding of aluminum bronze, copper steel etc..
Friction welded joint joint form is mostly I type banjo fixing butt jointing form, and this kind of version has structure design letter
Just, the feature of joint easy processing, general common in friction welded joint design.Another kind of joint design has been designed with mitered
Mode, mitered mode is used in the design of dissimilar metals friction weld joint, has feature：1. for dissimilar metals friction weld,
Bi-material physical and chemical performance has differences, and using the little material of the big material inclusion coefficient of expansion of the coefficient of expansion, can make to connect
Under normal temperature or lower temperature, amount of contraction difference makes joint more firm to head；2. mitered mode can effectively strengthen friction welding and connect
The bending resistance of head.
Because the formation of friction welded joint is under the coupling of welding heating power, there is violent moulding in weld metal
Property deformation and flowing, plough cut, spread and mix the connection realizing material, due to non-melt welding, and weld interval is short, connection circle
Face is very narrow, such as aluminium alloy and only several microns of stainless friction welded joint joint face, though joint has some strength, punching
Hitting property, toughness and shear strength etc. are all relatively low, and therefore, traditional inclined T joint structure is no longer applicable, need development badly a kind of new
Friction welded joint structure.
Content of the invention
It is an object of the invention to provide a kind of New Friction Welding joint design, to improve rushing of friction welded joint
Hit, the performance such as fatigue.
In order to realize this purpose, the present invention adopts the technical scheme that：
A kind of structure of friction welded joint, including the first part to be welded 1 and the second part to be welded 2, the first part to be welded 1 and second
Part to be welded 2 is all cylindrical-shaped structure, and the hardness number of the second part to be welded 2 is less than the first part to be welded 1 hardness number；First part to be welded 1 with
The part that second part to be welded 2 connects relatively is the tooth-shape structure including three frustum structures；Divided according to the distance with the second part to be welded 2
It is not set as the first frustum, the second frustum and the 3rd frustum, the distance of wherein first frustum distance the second part to be welded 2 is farthest；
Set a diameter of D of the first part to be welded 1, a diameter of D that goes to the bottom of the first frustum, a diameter of D1 in upper bottom；Second frustum
The a diameter of D1 in upper bottom, go to the bottom a diameter of D2；A diameter of D2 that goes to the bottom of the 3rd frustum, a diameter of D3 in upper bottom；In first frustum：D1
＜ D, frustum height is h1, and frustum cone angle ° is 60 °～120 °；In second frustum：Bottom and bottom on the first frustum on second frustum
Overlap, D1 ＜ D2 ＜ D, frustum height is h2；In 3rd frustum：3rd frustum is gone to the bottom to be gone to the bottom with the second frustum and is overlapped, D3 ＜ D2,
Frustum height is h3；Angle between the bus of the bus of the second frustum and the 3rd frustum is 45 °～70 °；Second part to be welded 2
Solder side is frustum face, and cone angle is identical with the cone angle in the first part to be welded 1 first frustum；Second part to be welded 2 frustum bottom is
The side that two parts to be welded 2 are connected with the first part to be welded 1, the diameter B≤D of the second part to be welded 2 frustum bottom, the second part to be welded 2
The diameter B1 ＜ D3, B1 ＜ B at frustum top；Second part to be welded 2 frustum height h≤h1+h2+h3.
Further, as above in a kind of structure of friction welded joint, the first part to be welded 1 is in following material
A kind of：Stainless steel, carbon steel, steel alloy, tungsten, titanium, titanium alloy, pottery；Second part to be welded 2 is one of following material：Aluminium, aluminium
Alloy.
Further, as above in a kind of structure of friction welded joint, the first part to be welded 1 is steel；Second is to be welded
Part 2 is one of following material：Copper, copper alloy.
Using having the beneficial effects that of the scarved joint structure in technique scheme：The present invention is in inclined T joint form
Structure design on the basis of, one of workpiece or two workpiece joints are designed like a kind of version of toe joint, one
As this form is designed on relatively hard materials, in friction welding process, relatively hard materials embed soft material in, interface occur plasticity become
Shape, diffusion define a kind of version of interlocking while compound, this kind of version makes welding point in subsequently fatigue, punching
During hitting etc., the interlock effect of resistance of internal interface makes its performance be improved.This version is based on interface and interlocks
The comprehensive function of resistance and friction welding principle improves the combination property of friction welded joint further.
Brief description
Fig. 1 is the joint construction form of friction welded joint structural representation of the present invention and formation.
Specific embodiment
With reference to the accompanying drawings and detailed description technical solution of the present invention is described in detail.
As shown in figure 1, the mode that present invention employs similar profile of tooth interlocking designs the version of friction welded joint.As
Shown in Fig. 1,1 and 2 is part to be welded, and 1 is relatively hard material, and 2 is softer material, and that is, the second part to be welded 2 hardness number is less than first
Part to be welded 1 hardness number, (such as：Stainless steel/carbon/steel alloy/tungsten/titanium or titanium alloy/pottery-aluminium and aluminium alloy, steel-copper and copper
Alloy etc.).
The part that first part to be welded 1 is relative with the second part to be welded 2 to be connect is the tooth-shape structure including three frustum structures；According to
It is respectively set as the first frustum, the second frustum and the 3rd frustum, the wherein first frustum distance second with the distance of the second part to be welded 2
The distance of part to be welded 2 is farthest；
Set a diameter of D of the first part to be welded 1, a diameter of D that goes to the bottom of the first frustum, a diameter of D1 in upper bottom；Second frustum
The a diameter of D1 in upper bottom, go to the bottom a diameter of D2；A diameter of D2 that goes to the bottom of the 3rd frustum, a diameter of D3 in upper bottom；
In first frustum：D1 ＜ D, frustum height is h1, and frustum cone angle ° is 60 °～120 °；
In second frustum：On second frustum, bottom is overlapped with bottom on the first frustum, D1 ＜ D2 ＜ D, and frustum height is h2；
In 3rd frustum：3rd frustum is gone to the bottom to be gone to the bottom with the second frustum and is overlapped, D3 ＜ D2, and frustum height is h3；
Angle between the bus of the bus of the second frustum and the 3rd frustum is 45 °～70 °；
The solder side of the second part to be welded 2 is frustum face, and cone angle is identical with the cone angle in the first part to be welded 1 first frustum；The
The side that two part to be welded 2 frustum bottom is connected with the first part to be welded 1 in the second part to be welded 2, the second part to be welded 2 frustum bottom
Diameter B≤D, the diameter B1 ＜ D3, B1 ＜ B at the second part to be welded 2 frustum top；Second part to be welded 2 frustum height h≤h1+h2+
h3.
Claims (3)
1. a kind of structure of friction welded joint it is characterised in that：Including the first part to be welded (1) and the second part to be welded (2), first
Part to be welded (1) and the second part to be welded (2) are all cylindrical-shaped structures, and the hardness number of the second part to be welded (2) is less than the first part to be welded (1)
Hardness number；
The part that first part to be welded (1) is relative with the second part to be welded (2) to be connect is the tooth-shape structure including three frustum structures；According to
It is respectively set as the first frustum, the second frustum and the 3rd frustum with the distance of the second part to be welded (2), the wherein first frustum distance
The distance of two parts to be welded (2) is farthest；
Set a diameter of D of the first part to be welded (1), a diameter of D that goes to the bottom of the first frustum, a diameter of D1 in upper bottom；Second frustum
The a diameter of D1 in upper bottom, go to the bottom a diameter of D2；A diameter of D2 that goes to the bottom of the 3rd frustum, a diameter of D3 in upper bottom；
In first frustum：D1 ＜ D, frustum height is h1, and frustum cone angle ° is 60 °～120 °；
In second frustum：On second frustum, bottom is overlapped with bottom on the first frustum, D1 ＜ D2 ＜ D, and frustum height is h2；
In 3rd frustum：3rd frustum is gone to the bottom to be gone to the bottom with the second frustum and is overlapped, D3 ＜ D2, and frustum height is h3；
Angle between the bus of the bus of the second frustum and the 3rd frustum is 45 °～70 °；
The solder side of the second part to be welded (2) is frustum face, and cone angle is identical with the cone angle in the first part to be welded (1) first frustum；The
The side that two parts to be welded (2) frustum bottom is connected with the first part to be welded (1) in the second part to be welded (2), the second part to be welded (2) is bored
Diameter B≤the D of platform bottom, the diameter B1 ＜ D3, B1 ＜ B at the second part to be welded (2) frustum top；Second part to be welded (2) frustum is high
Degree h≤h1+h2+h3.
2. as claimed in claim 1 a kind of structure of friction welded joint it is characterised in that：First part to be welded (1) is following
One of material：Stainless steel, carbon steel, steel alloy, tungsten, titanium, titanium alloy, pottery；Second part to be welded (2) is in following material
A kind of：Aluminium, aluminium alloy.
3. as claimed in claim 1 a kind of structure of friction welded joint it is characterised in that：First part to be welded (1) is steel；The
Two parts to be welded (2) are one of following material：Copper, copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182439.5A CN104759780B (en) | 2015-04-17 | 2015-04-17 | Friction welding connector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182439.5A CN104759780B (en) | 2015-04-17 | 2015-04-17 | Friction welding connector structure |
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| Publication Number | Publication Date |
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| CN104759780A CN104759780A (en) | 2015-07-08 |
| CN104759780B true CN104759780B (en) | 2017-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099125A1 (en) * | 2020-11-06 | 2022-05-12 | Dmc Global Inc. | Method and apparatus for additive friction stir manufactured transition joint |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757692A (en) * | 2018-06-25 | 2018-11-06 | 苏州鑫金茂金属科技有限公司 | A method of the WELD NUTS on 304 sheet metal components |
| CN109352167A (en) * | 2018-11-22 | 2019-02-19 | 中国航空制造技术研究院 | Different alloys composite construction connection method |
| CN112317947A (en) * | 2020-09-08 | 2021-02-05 | 兰州理工大学 | Continuous driving friction welding method for aluminum bar and steel bar with outer conical end face |
| CN113798657A (en) * | 2021-10-11 | 2021-12-17 | 中国兵器工业第五九研究所 | Method for realizing high-strength connection of dissimilar alloys by utilizing conical friction welding mode |
| CN113751857B (en) * | 2021-10-11 | 2022-04-12 | 中国兵器工业第五九研究所 | Axial welding method of variable-taper conical friction welding structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211249A (en) * | 2011-05-26 | 2011-10-12 | 洛阳双瑞精铸钛业有限公司 | Method for connecting titanium-aluminum alloy turbine with 42CrMo steel shaft |
| CN203356860U (en) * | 2013-07-22 | 2013-12-25 | 中国航空工业集团公司北京航空制造工程研究所 | Self-locking type welding joint for friction stir welding |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2509129B2 (en) * | 1992-04-21 | 1996-06-19 | 株式会社中原製作所 | Friction welding method for dissimilar metal materials and roll manufactured by this method. |
| JPH0647570A (en) * | 1992-07-13 | 1994-02-22 | Mitsubishi Heavy Ind Ltd | Friction welding method for different material |
| JP2000343246A (en) * | 1999-06-03 | 2000-12-12 | Mitsubishi Motors Corp | Structure of friction welding part for axial member and friction welding method |
| US20130081269A1 (en) * | 2011-09-30 | 2013-04-04 | Timothy Joseph Trapp | Systems and methods for repairing holes |
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2015
- 2015-04-17 CN CN201510182439.5A patent/CN104759780B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211249A (en) * | 2011-05-26 | 2011-10-12 | 洛阳双瑞精铸钛业有限公司 | Method for connecting titanium-aluminum alloy turbine with 42CrMo steel shaft |
| CN203356860U (en) * | 2013-07-22 | 2013-12-25 | 中国航空工业集团公司北京航空制造工程研究所 | Self-locking type welding joint for friction stir welding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099125A1 (en) * | 2020-11-06 | 2022-05-12 | Dmc Global Inc. | Method and apparatus for additive friction stir manufactured transition joint |
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| CN104759780A (en) | 2015-07-08 |
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Address after: 100076 Beijing City, Fengtai District Nanyuan garrison Road No. 2 Co-patentee after: China Academy of Launch Vehicle Technology Patentee after: Capital Aerospace Machinery Co., Ltd. Address before: 100076 Beijing City, Fengtai District Nanyuan garrison Road No. 2 Co-patentee before: China Academy of Launch Vehicle Technology Patentee before: Capital Aerospace Machinery Company |
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