CN104439731B - A kind of steel-attached seat of aluminum Welding Structure and preparation method - Google Patents
A kind of steel-attached seat of aluminum Welding Structure and preparation method Download PDFInfo
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- CN104439731B CN104439731B CN201410679585.4A CN201410679585A CN104439731B CN 104439731 B CN104439731 B CN 104439731B CN 201410679585 A CN201410679585 A CN 201410679585A CN 104439731 B CN104439731 B CN 104439731B
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- red copper
- aluminium alloy
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- 238000003466 welding Methods 0.000 title claims abstract description 113
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 229910052802 copper Inorganic materials 0.000 claims abstract description 62
- 239000010949 copper Substances 0.000 claims abstract description 62
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 52
- 238000005219 brazing Methods 0.000 claims abstract description 39
- 230000006698 induction Effects 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 16
- 229910000679 solder Inorganic materials 0.000 claims description 41
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- 229910018182 Al—Cu Inorganic materials 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 244000137852 Petrea volubilis Species 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 229910017767 Cu—Al Inorganic materials 0.000 description 1
- -1 aluminum Gold Chemical compound 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
-
- 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
-
- 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
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
-
- 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
- B23K20/24—Preliminary treatment
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/22—Ferrous alloys and copper or alloys thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
A kind of steel attached seat of aluminum Welding Structure, it is characterized in that: this attached seat be the one end being welded successively by steel section, intermediate layer metal red copper section and aluminium alloy section be steel copper sleeve, the other end be to use the mode of docking to be welded and fixed between the column structure of copper-aluminium joint, wherein steel section and red copper section and red copper section and aluminium alloy section.Preparation process includes the steel induction brazing with red copper and spin friction two parts of weldering of red copper and aluminium alloy.The steel attached seat of aluminum Welding Structure of the present invention, using red copper as intermediate layer metal, the side of steel uses induction brazing, the side of aluminum uses spin friction weldering, utilize copper and steel, the relatively good advantage of aluminum weldability, it is thus achieved that the steel attached seat of aluminum Welding Structure that bond strength is high, solve steel and directly weld a difficult problem for difficulty with aluminum alloy plate materials, and can be different according to the actual size of workpiece and material, it is achieved the welding of the steel attached seat of aluminum Welding Structure of different-diameter.
Description
Technical field
The present invention relates to a kind of metal connecting elements, be specifically related to a kind of steel-attached seat of aluminum Welding Structure and preparation method thereof.
Background technology
Attached seat is sheet metal and other parts carry out the transitional vitals that is fastenedly connected.At present, in some produces,
For realizing the connection of steel and aluminum alloy plate materials, attached seat uses steel core and aluminium alloy thread bush to add the frame mode of glue bond, so
After use traditional TIG/MIG welding method to weld together the aluminium alloy part of attached seat and aluminum alloy plate materials again, although
Achieve the combination of attached seat and aluminum alloy plate materials, but attached seat in use poor reliability, life-span are short, it is impossible to Quan Mianman
Foot high-intensity oscillation, fatigue, impact etc. use condition, in the urgent need to design with develop novel for steel and aluminium alloy plate
The attached holder structure of the connection of material and manufacture method.
The innovative product of a kind of new structure that steel-attached seat of aluminum Welding Structure is aiming at the problems referred to above and designs.This design
Theory is to use special method to weld together steel and aluminium alloy, forms the attached seat zero of a kind of independent new structure
Part.The aluminum end of steel-attached seat of aluminum Welding Structure is welded by production application with aluminum alloy plate materials, steel end and other portion
Part realizes being fastenedly connected, thus realizes the connection of aluminum alloy plate materials and other parts, or is entered with steel board by the steel end of attached seat
Row welding, aluminum end welds together with aluminium alloy part, reaches the purpose of loss of weight or other functional requirement.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of steel-aluminum welding rational in infrastructure, that bond strength is high and ties
The attached seat of structure, for the connection of steel Yu aluminum alloy plate materials.
Second technical problem to be solved by this invention is to provide a kind of steel-aluminum welding rational in infrastructure, that bond strength is high and ties
The preparation method of the attached seat of structure.
The present invention solves the technical scheme that above-mentioned first technical problem used: a kind of steel-attached seat of aluminum Welding Structure,
It is characterized in that: this attached seat is the one end being welded successively by steel section, intermediate layer metal red copper section and aluminium alloy section
For the column structure that steel-copper sleeve, the other end are copper-aluminium joint, wherein steel section and red copper section and red copper section and aluminium alloy
The mode using docking between Duan is welded and fixed.
As improvement, described attached seat is cylindrical structure, and steel section, red copper section and aluminium alloy section are and have same diameter
Cylinder, a diameter of the 10 of attached seat～30cm, a length of the 45 of steel section～55cm, the thickness of red copper section is 10～20cm,
A length of the 35 of aluminium alloy section～45cm.
Improving, a length of 50cm of described steel section, the thickness of red copper section is 15cm, a length of 40cm of aluminium alloy section again.
The present invention solves the technical scheme that above-mentioned second technical problem used: a kind of above-mentioned steel-aluminum Welding Structure is attached
The preparation method of seat, it is characterised in that: include the rotation of steel section and the induction brazing of red copper section and red copper section and aluminium alloy section
Two parts of friction welding (FW), concretely comprise the following steps:
1) welding end surface of steel section and red copper section is carried out smooth process, and carry out surface clean together with solder；
2) the steel section after cleaning puts into single-turn high-frequency load coil, it is ensured that steel section welding end surface and radio-frequency induction coil
Circle is in same level；
3) solder after cleaning is placed in steel section welding end surface, and coats one layer of brazing flux, by vertical for red copper section welding end surface
And alignment is placed in steel section welding end surface；
4) start HF induction heating apparatus to heat, complete the welding of steel-copper sleeve, and carry out postwelding cleaning；
5) red copper section end face and the aluminium alloy section welding end surface of the steel-brazing joint after cooling are carried out turnery processing, make
Its exposed metal surface made new advances, and new metal covering is carried out surface clean；
6) clamping in steel-brazing joint and aluminium alloy section are fixed on the chuck of friction-welding machine, steel-brazing joint is fixed
In rotary chuck, aluminium alloy section is fixed in movable chuck；
7) friction welding process parameter is set according to diameter of work and material, starts friction-welding machine, complete Solder for Al-Cu Joint Welding weld；
8) closing friction-welding machine power supply, car removes the overlap of Solder for Al-Cu Joint Welding joint, completes the weldering of whole steel-attached seat of aluminum Welding Structure
Connect.
As improvement, described step 1) smooth process use machining, file or sand paper to carry out, the table of smooth process
Surface evenness requires: the roughness requirements of welding surface reaches Ra≤3.2 μm.
As preferably, described step 1) in solder select silver-base solder HL324.
As improvement, described step 1), step 5) described in surface clean be to use acetone or ethanol to be carried out.
As preferably, described step 3) in brazing flux select QJ305A paste silver brazing solvent.
Improve again, described step 4) in heating temperature for high-frequency induction be 650～670 DEG C, range estimation solder fusing trace
When weld seam overflows, stop heating.
Compared with prior art, it is an advantage of the current invention that: the steel of the present invention-attached seat of aluminum Welding Structure, using red copper as
Intermediate layer metal, utilizes copper all can dissolve each other with steel and aluminum, and the solder technology of copper-steel, Cu-Al dissimilar metal is
Through comparative maturity, easily realize, use in the side of steel induction brazing, the side of aluminum to use spin friction weldering, utilize copper
With steel, the relatively good advantage of aluminum weldability, it is thus achieved that the steel that bond strength is high-attached seat of aluminum Welding Structure, solve steel
A difficult problem for difficulty is directly welded with aluminum alloy plate materials.The aluminum end of steel-attached seat of aluminum Welding Structure is closed by production application with aluminum
Gold sheet material welds, and steel end and other parts realize being fastenedly connected, thus realize the company of aluminum alloy plate materials and other parts
Connecing, or welded with steel board by the steel end of attached seat, aluminum end welds together with aluminium alloy part, reach loss of weight or its
The purpose of its functional requirement.Present configuration rationally, be skillfully constructed, preparation technology is relatively simple, and can be according to workpiece
Actual size and material different, it is achieved the welding of the steel of different-diameter-attached seat of aluminum Welding Structure.
Accompanying drawing explanation
Fig. 1 be the present invention attached seat in the induction brazing schematic diagram of steel-copper sleeve；
Fig. 2 be the present invention attached seat in copper-aluminium joint spin friction weldering schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1, 2, one steel of the present invention-attached seat of aluminum Welding Structure, is by steel section 1, intermediate layer metal purple
One end that copper section 2 and aluminium alloy section 6 are welded successively be steel-copper sleeve 5, the other end be the cylinder knot of copper-aluminium joint
Structure, wherein uses the mode of docking to be welded and fixed between steel section 1 and red copper section 2 and red copper section 2 and aluminium alloy section 6.
The preparation process of attached seat includes the steel induction brazing with red copper and spin friction two parts of weldering of red copper and aluminium alloy,
Specifically comprise the following steps that
Step 1: steel section 1 and red copper section 2 welding end surface are carried out smooth process, will steel section 1 and red copper section 2 at sand
Polishing rust cleaning and oxide skin on paper, the roughness requirements of welding surface reaches Ra≤3.2 μm, and reinstates acetone with solder one
Carry out surface clean；
Step 2: the steel section 1 after cleaning puts into single-turn high-frequency load coil 4, it is ensured that steel section 1 welding end surface
It is in same level with radio-frequency induction coil 4；
Step 3: being placed on by solder after cleaning 3 in steel section 1 welding end surface, solder is silver-base solder HL324, and is coated with
Cover one layer of QJ305A paste silver brazing solvent brazing flux, be placed on steel 1 welding ends by perpendicular and aligned for red copper 2 welding end surface
On face；
Step 4: starting HF induction heating apparatus and heat, induction heating temperature is 650～670 DEG C, is fond of solder
Fusing trace overflow from weld seam, stop heating, complete the welding of steel-brazing joint 5；
Step 5: the steel-brazing joint 5 red copper end face after cooling and aluminium alloy section 6 welding end surface are carried out turnery processing,
Make its exposed metal surface made new advances, and with acetone, new metal surface is carried out；
Step 6: clamp in steel-brazing joint 5 and aluminium alloy section 6 are fixed on the chuck of friction-welding machine, steel-brazing
Joint 5 is fixed in rotary chuck, and aluminium alloy section 6 is fixed in movable chuck；
Step 7: arrange friction welding process parameter, design parameter can be adjusted according to diameter of work is different from material；
Step 8: closing friction-welding machine power supply, car removes the overlap of Solder for Al-Cu Joint Welding joint, completes whole steel-attached seat of aluminum Welding Structure
Welding.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
In conjunction with Fig. 1 and Fig. 2, it is 15mm with 40Cr steel section 1, the thickness of a diameter of 10mm, a length of 50mm
Red copper section 2, a length of 40mm 5A06 aluminium alloy section 6 as a example by.Step 1: steel section 1 and red copper section 2 are welded
End face carries out smooth process, will steel section 1 and red copper section 2 polish on sand paper rust cleaning and oxide skin, and together with solder
Surface clean is carried out with acetone；Step 2: the steel section 1 after cleaning puts into single-turn high-frequency load coil 4, protects
Card steel section 1 welding end surface is in same level with radio-frequency induction coil 4；Step 3: solder after cleaning 3 is placed on
In steel section 1 welding end surface, solder 3 is silver-base solder HL324, and coats one layer of QJ305A paste silver brazing solvent pricker
Agent, is placed on perpendicular and aligned for red copper section 2 welding end surface in steel 1 welding end surface；Step 4: start high-frequency induction and add
Hot equipment heats, and induction heating temperature is 650～670 DEG C, is fond of solder and is completely melt that also trace overflows from weld seam,
Stop heating, complete steel-brazing joint 5 and weld；Step 5: by the red copper end of the steel-brazing joint 5 after cooling
Face and aluminium alloy section 6 welding end surface carry out turnery processing so that it is the exposed metal surface made new advances, and with acetone to new gold
Metal surface is carried out；Step 6: steel-brazing joint 5 and aluminium alloy section 6 are fixed on the chuck inner clip of friction-welding machine
Tightly, steel-brazing joint 5 is fixed in rotary chuck, and aluminium alloy section 6 is fixed in movable chuck；Step 7: arrange
Friction welding process parameter, starts friction-welding machine, completes Solder for Al-Cu Joint Welding weld；Step 8: close friction-welding machine power supply, car
Remove the overlap of Solder for Al-Cu Joint Welding joint, complete the welding of whole steel-attached seat of aluminum Welding Structure.
Embodiment 2
In conjunction with Fig. 1 and Fig. 2, it is 15mm's with 40Cr steel section, the thickness of a diameter of 20mm, a length of 50mm
Red copper section, a length of 40mm 5A06 aluminium alloy section as a example by.Step 1: by steel section 1 and red copper section 2 welding end surface
Carry out smooth process, and carry out surface cleaning processing together with solder 3, will steel section 1 and red copper section 2 beat on sand paper
Abrade rust and oxide skin, and carry out surface clean with acetone；Step 2: the steel section 1 after cleaning puts into single-turn high-frequency sense
Should heat in coil 4, it is ensured that steel section 1 welding end surface and radio-frequency induction coil 4 are in same level；Step 3: will
After cleaning, solder 3 is placed in steel section 1 welding end surface, and solder 3 is silver-base solder HL324, and coats one layer of QJ305A
Paste silver brazing solvent brazing flux, is placed on perpendicular and aligned for red copper section 2 welding end surface in steel section 1 welding end surface；Step
4: starting HF induction heating apparatus and heat, induction heating temperature is 650～670 DEG C, is fond of solder and is completely melt
And trace overflows from weld seam, stop heating, complete steel-brazing joint 5 and weld；Step 5: by the steel-copper after cooling
Welding point 5 red copper end face and aluminium alloy section 6 welding end surface carry out turnery processing so that it is the exposed metal surface made new advances,
And with acetone, new metal surface is carried out；Step 6: steel-brazing joint 5 and aluminium alloy section 6 are fixed on and rub
Wiping clamping in the chuck of welding machine, steel-brazing joint 5 is fixed in rotary chuck, and aluminium alloy section 6 is fixed on mobile folder
In head；Step 7: arrange friction welding process parameter, starts friction-welding machine, completes Solder for Al-Cu Joint Welding weld；Step 8: close
Closing friction-welding machine power supply, car removes the overlap of Solder for Al-Cu Joint Welding joint, completes the welding of whole steel-attached seat of aluminum Welding Structure.
Embodiment 3
In conjunction with Fig. 1 and Fig. 2, it is 15mm's with 40Cr steel section, the thickness of a diameter of 30mm, a length of 50mm
Red copper section, a length of 40mm 5A06 aluminium alloy section as a example by.Step 1: by steel section 1 and red copper section 2 welding end surface
And solder 3 carries out smooth process and surface cleaning processing, will steel section 1 and red copper section 2 polish on sand paper rust cleaning and oxygen
Change skin, and carry out surface clean with acetone；Step 2: the steel section 1 after cleaning puts into single-turn high-frequency load coil
In 4, it is ensured that steel section 1 welding end surface and radio-frequency induction coil 4 are in same level；Step 3: solder 3 after cleaning
Being placed in steel section 1 welding end surface, solder is silver-base solder HL324, and it is molten to coat one layer of QJ305A paste silver brazing
Agent brazing flux, is placed on perpendicular and aligned for red copper section 2 welding end surface in steel section 1 welding end surface；Step 4: start high frequency
Induction heating equipment heats, and induction heating temperature is 650～670 DEG C, is fond of solder and is completely melt that also trace is from weld seam
Overflow, stop heating, complete steel-copper sleeve welding；Step 5: by the steel-brazing joint 5 red copper end face after cooling
And aluminium alloy section 6 welding end surface carries out turnery processing so that it is the exposed metal surface made new advances, and with acetone to new metal
Surface is carried out；Step 6: clamp in steel-brazing joint 5 and aluminium alloy section 6 are fixed on the chuck of friction-welding machine,
Steel-brazing joint 5 is fixed in rotary chuck, and aluminium alloy section 6 is fixed in movable chuck；Step 7: friction is set
Welding parameter, starts friction-welding machine, completes Solder for Al-Cu Joint Welding weld；Step 8: closing friction-welding machine power supply, car removes aluminum
Overlap at-copper sleeve, completes the welding of whole steel-attached seat of aluminum Welding Structure.
It should be noted that, the foregoing is only the preferred structure embodiment of patent of the present invention, except above-mentioned attached holder structure
Outward, this steel-aluminum Welding Structure form can be also used for other field.The most above-mentioned steel-aluminum Welding Structure is used for hardware industry
" bottle opener " etc..All employing equivalent technologies means are replaced the steel-aluminum Welding Structure formal product realized and are regarded as
Within falling into the protection domain of patent of the present invention.
Claims (8)
1. the preparation method of steel-attached seat of aluminum Welding Structure, it is characterised in that: attached seat includes the sense of steel section and red copper section
Answer spin friction two parts of weldering of soldering and red copper section and aluminium alloy section, concretely comprise the following steps:
1) welding end surface of steel section and red copper section is carried out smooth process, and carry out surface clean together with solder；
2) the steel section after cleaning puts into single-turn high-frequency load coil, it is ensured that steel section welding end surface and radio-frequency induction coil
Circle is in same level；
3) solder after cleaning is placed in steel section welding end surface, and coats one layer of brazing flux, by vertical for red copper section welding end surface
And alignment is placed in steel section welding end surface；
4) start HF induction heating apparatus to heat, complete the welding of steel-copper sleeve, and carry out postwelding cleaning；
5) red copper section end face and the aluminium alloy section welding end surface of the steel-brazing joint after cooling are carried out turnery processing, make
Its exposed metal surface made new advances, and new metal covering is carried out surface clean；
6) clamping in steel-brazing joint and aluminium alloy section are fixed on the chuck of friction-welding machine, steel-brazing joint is fixed
In rotary chuck, aluminium alloy section is fixed in movable chuck；
7) friction welding process parameter is set according to diameter of work and material, starts friction-welding machine, complete Solder for Al-Cu Joint Welding weld；
8) closing friction-welding machine power supply, car removes the overlap of Solder for Al-Cu Joint Welding joint, completes the weldering of whole steel-attached seat of aluminum Welding Structure
Connect.
Preparation method the most according to claim 1, it is characterised in that: described step 1) smooth process employing machine
Tool processing, file or sand paper are carried out, and the surface smoothness requirement of smooth process is: the roughness requirements of welding surface reaches
Ra≤3.2μm。
Preparation method the most according to claim 1, it is characterised in that: described step 1) in solder select money base
Solder HL324.
Preparation method the most according to claim 1, it is characterised in that: described step 1), step 5) described in
Surface clean be to use acetone or ethanol to be carried out.
Preparation method the most according to claim 1, it is characterised in that: described step 3) in brazing flux select
QJ305A paste silver brazing solvent.
Preparation method the most according to claim 1, it is characterised in that: described step 4) in high-frequency induction add
Hot temperature is 650～670 DEG C, and range estimation solder fusing trace, when weld seam overflows, stop heating.
Preparation method the most according to claim 1, it is characterised in that: described attached seat is cylindrical structure, steel section,
Red copper section and aluminium alloy section are the cylinder with same diameter, a diameter of the 10 of attached seat～30cm, steel section a length of
45～55cm, the thickness of red copper section is 10～20cm, a length of the 35 of aluminium alloy section～45cm.
Preparation method the most according to claim 7, it is characterised in that: a length of 50cm of described steel section, red copper
The thickness of section is 15cm, a length of 40cm of aluminium alloy section.
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| CN107530821B (en) * | 2015-04-15 | 2019-12-31 | 株式会社小松制作所 | Method for manufacturing metal member |
| CN105689906A (en) * | 2016-05-03 | 2016-06-22 | 重庆耐德能源装备集成有限公司 | Method for welding materials with different welding characteristics |
| CN106735844B (en) * | 2016-11-16 | 2019-01-11 | 大连理工大学 | A kind of dissimilar metal spin friction soldering method |
| CN115026409B (en) * | 2022-07-06 | 2024-02-13 | 中国兵器装备集团西南技术工程研究所 | High-strength and high-toughness radial friction welding method for steel/aluminum heterogeneous refractory alloy |
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| JP2008043974A (en) * | 2006-08-15 | 2008-02-28 | Jfe Steel Kk | Longitudinal seam welded joint of uoe steel pipe |
| CN101642840B (en) * | 2009-08-27 | 2012-05-23 | 中国北车集团大连机车研究所有限公司 | Induction welding method for aluminum water-cooling base plate and stainless joint |
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