CN103659184A - Method for welding heat dissipation base plates - Google Patents
Method for welding heat dissipation base plates Download PDFInfo
- Publication number
- CN103659184A CN103659184A CN201310652361.XA CN201310652361A CN103659184A CN 103659184 A CN103659184 A CN 103659184A CN 201310652361 A CN201310652361 A CN 201310652361A CN 103659184 A CN103659184 A CN 103659184A
- Authority
- CN
- China
- Prior art keywords
- welding
- radiating bottom
- bottom plate
- base plate
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- 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
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
- B23K28/02—Combined welding or cutting procedures or apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a method for welding heat dissipation base plates, and belongs to the technical field of aluminum alloy welding detection. The method includes the steps that heat dissipation base plate parts are machined, the heat dissipation base plate parts and welding tools are assembled, and tack welding, continuous welding, stress annealing, shape correction, friction repair and surface anodizing are performed. According to the method, the quality of welding joints is guaranteed, and the percent of pass of the heat dissipation base plates is improved.
Description
Technical field
The invention belongs to the detection technique field of Welded, particularly a kind of welding method of radiating bottom plate.
Background technology
Radiating bottom plate has vital effect to the heat radiation of mine car electronic component.Radiating bottom plate is welded by base plate and lid, and centre is cooling liquid runner.Because aluminium alloy thermal conductivity is large, under identical speed of welding, large 2～4 times than steel of heat inputs, the thermal coefficient of expansion of hot aluminium alloy is large simultaneously, thus in welding process, be easier to produce welding deformation, and the melting welding of aluminium alloy easily produces pore and fire check.And radiating bottom plate throat thickness is large, weld seam is intensive, needs the weldering of multilayer multi-pass to be shaped, and also easily produces like this Al in weld seam
2o
3and cause slag in weld, reduce weld strength.Due to above reason, aluminium alloy radiating bottom plate welds laggard row air seal test gas leak phenomenon often occurs, and product percent of pass is lower.
Agitating friction welding Shi You Britain institute of welding (TWI) was in invention in 1991, it is a kind of solid phase interconnection technique of green, compare with traditional melting welding, there is welding deformation little, the common defects of melting welding such as flawless, undercut and pore, are particularly suitable for the welding of the materials such as aluminium alloy, magnesium alloy.But the overlap edge of radiating bottom plate only has 2mm left and right, cannot bear welding pressure more than friction stir welding 2T.
Summary of the invention
The object of the invention is provides a kind of assurance weldquality for addressing the above problem, and improves the welding method of the radiating bottom plate of radiating bottom plate qualification rate.
The technical solution adopted in the present invention is:
A welding method for radiating bottom plate, comprises the following steps:
(1) described radiating bottom plate is processed, described radiating bottom plate comprises base plate and cover plate, and flare groove is processed at described base plate and described bridge weld seam place, and the gap of described flare groove is A, the length 3mm of A;
(2) described base plate and described cover plate are cleaned, after cleaning up, described base plate and described cover plate are assemblied on welding tooling, guarantee that the distance between described base plate and described cover plate is 3mm, be the length in the gap of described flare groove;
(3), after described base plate and described cover plate have assembled, by the roasting thermal weld frock of welding gun, guarantee that commissure temperature is 90 ℃; Then position spot welding, described base plate and described cover plate welding portion, carry out one-time positioning spot welding at interval of 100mm, and solder joint length is about 8～10mm, and each runner corner of described cover plate has a solder joint at least;
(4) tack-weld carries out continuous welding after completing, four-pass is carried out altogether in continuous welding: the first passage is filled up the gap of commissure, speed of welding is 220mm/min, the second passage welding is near described radiating bottom plate outside, speed of welding is 200mm/min, and the 3rd passage welding is near described radiating bottom plate inner side, and speed of welding is 200mm/min, weld seam is filled up in four-pass welding, and speed of welding is 190mm/min;
(5) after described base plate and described cover plate have welded, described base plate, described cover plate and described welding tooling integral body are carried out to stress relief annealing, annealing temperature is 300～320 ℃, and annealing time is 130min;
(6) after having annealed, unload at once described welding tooling and correct shape, during the shape of school, first from described radiating bottom plate back, proofread and correct, and then it is positive to proofread and correct described radiating bottom plate;
(7) after described radiating bottom plate school shape completes, described radiating bottom plate is assemblied on the operating desk of agitating friction soldering equipment, with the stirring-head reparation that once rubs, during reparation, tilt angle control is 2.0～2.5 °, volume under pressure is 0.2～0.3mm, Rotating speed is 500r/min, and reparation speed is 80mm/min;
(8) after described friction reparation completes, the surplus of described radiating bottom plate piece surface is processed in milling, after milling machines, described radiating bottom plate is carried out to surface sun and process.
Further, in described step (1), the angle of flare groove is β, and described β is 50 °, and the root face of flare groove is B, and the length of B is 2mm.
Preferably, in described step (2), with NaOH solution, described base plate and described cover plate are cleaned.
Further, in described step (2), described welding tooling comprises frock base plate, and described frock base plate both sides are provided with frock pressing plate, between described frock base plate and described frock pressing plate, fastening bolt is installed.
Further, in described step (2), first described base plate is assemblied on described frock base plate, with described frock pressing plate and described fastening bolt, base plate is fixed, again described cover plate is assemblied on described base plate, guarantees that the distance between described base plate and described cover plate is 3mm.
Preferably, in described step (3), with infrared radiation thermometer, guarantee that commissure temperature is 90 ℃.
Preferably, in described step (3), adopt argon tungsten-arc welding to position spot welding, during spot welding, electric current is 150～155A, and argon flow amount is 12～15L/min.
Preferably, in described step (4), adopt fusing and argon arc welding to carry out continuous welding, sequential welding welding current is 200～205A, and argon flow amount is 20～25L/min.
Further, in described step (4), after four-pass has welded, weld seam exceeds described radiating bottom plate surface 3～5mm; After every a time has been welded, must the upper a time face of weld of cleaning, can carry out lower a time welding after exposing metallic luster.
Further, described step (5) is to carry out in annealing furnace, and the school shape in described step (6) adopts baby press, and the stirring-head in described step (7) is interior without mixing needle.
The present invention has the following advantages:
The present invention adopts agitating friction welding technology improve and repair seam organization and performance after radiating bottom plate melting welding completes, and has improved the qualification rate of radiating bottom plate.The design of commissure flare groove and follow-up welding procedure, guaranteed weldquality simultaneously, controlled the welding deformation of postwelding product.
Accompanying drawing explanation
The structural representation of the radiating bottom plate that Fig. 1 provides for the embodiment of the present invention 1;
The structural representation of the flare groove of the radiating bottom plate that Fig. 2 provides for the embodiment of the present invention 1;
The structural representation of the welding tooling that Fig. 3 provides for the embodiment of the present invention 1;
The structural representation of the stirring-head that Fig. 4 provides for the embodiment of the present invention 1.
The specific embodiment
Below in conjunction with drawings and embodiments, the present invention will be further described in detail.
The present embodiment provides a kind of welding method of radiating bottom plate, comprises the following steps:
(1) described radiating bottom plate is processed: radiating bottom plate comprises base plate 1 and cover plate 2, as shown in Figure 1.Base plate 1 and cover plate 2 material trademarks are 5A06 aluminium alloy, and wherein base plate 1 thickness is 40mm, and cover plate 2 gross thickness are 14mm.Base plate 1 and cover plate 2 adopt the method processing profile of numerical control mill, and flare groove 3 is processed in its commissure, as shown in Figure 2.The gap of flare groove 3 is A, the length 3mm of A, and the angle of flare groove 3 is β, and β is 50 °, and the root face of flare groove 3 is B, and the length of B is 2mm.
(2) with NaOH solution, base plate 1 and cover plate 2 are cleaned, after cleaning up, base plate 1 and cover plate 2 are assemblied in to welding tooling.With reference to Fig. 3, welding tooling comprises frock base plate 4, and frock base plate 4 both sides are provided with frock pressing plate 5, between frock base plate 4 and frock pressing plate 5, fastening bolt 6 is installed.First base plate 1 is assemblied on frock base plate 4, with frock pressing plate 5 and 6 pairs of base plates 1 of fastening bolt, is fixed, then cover plate 2 is assemblied on base plate 1, guarantee that the distance between base plate 1 and cover plate 2 is 3mm, be the length in the gap of flare groove 3.
(3), after base plate 1 and cover plate 2 have assembled, by the roasting thermal weld frock of welding gun, with infrared radiation thermometer, guarantee that commissure temperature is 90 ℃; Then adopt argon tungsten-arc welding to position spot welding, during spot welding, electric current is 150A, and argon flow amount is 15L/min.Base plate 1 and cover plate 2 welding portions carry out one-time positioning spot welding at interval of 100mm, and solder joint length is about 10mm, and each runner corner of cover plate 2 has a solder joint at least.
(4) tack-weld adopts fusing and argon arc welding to carry out continuous welding after completing, sequential welding welding current is 205A, argon flow amount is 25L/min, four-pass is carried out altogether in continuous welding: the first passage is filled up the gap of commissure, speed of welding is 220mm/min, the second passage welding is near radiating bottom plate outside, speed of welding is 200mm/min, the 3rd passage welding is near described radiating bottom plate inner side, speed of welding is 200mm/min, weld seam is filled up in four-pass welding, and speed of welding is 190mm/min; After four-pass has welded, weld seam exceeds radiating bottom plate surface 5mm; After every a time has been welded, must the upper a time face of weld of cleaning, can carry out lower a time welding after exposing metallic luster.
(5) after base plate 1 and cover plate 2 have welded, base plate 1 and cover plate 2 and welding tooling integral body are carried out to stress relief annealing in annealing furnace, annealing temperature is 320 ℃, and annealing time is 130min.
(6) after having annealed, unload at once welding tooling, with baby press, correct shape, during the shape of school, first from radiating bottom plate back, proofread and correct, and then it is positive to proofread and correct described radiating bottom plate.
(7) after radiating bottom plate school shape completes, radiating bottom plate is assemblied on the operating desk of agitating friction soldering equipment, with the reparation that once rubs without mixing needle stirring-head 7, during reparation, stirring-head 7 pitch angle controls are 2.5 °, volume under pressure is 0.2mm, stirring-head 7 rotary speeies are 500r/min, and reparation speed is 80mm/min, without mixing needle stirring-head as shown in Figure 4.
(8), after friction has been repaired, the surplus 2mm of milling processing radiating bottom plate piece surface, after milling machines, carries out surface sun to described radiating bottom plate and processes.
The present embodiment provides a kind of welding method of radiating bottom plate, comprises the following steps:
(1) described radiating bottom plate is processed: radiating bottom plate comprises base plate 1 and cover plate 2.Base plate 1 and cover plate 2 material trademarks are 5A06 aluminium alloy, and wherein base plate 1 thickness is 40mm, and cover plate 2 gross thickness are 14mm.Base plate 1 and cover plate 2 adopt the method processing profile of numerical control mill, and flare groove 3 is processed in its commissure.The gap of flare groove 3 is A, the length 3mm of A, and the angle of flare groove 3 is β, and β is 50 °, and the root face of flare groove 3 is B, and the length of B is 2mm.
(2) with NaOH solution, base plate 1 and cover plate 2 are cleaned, after cleaning up, base plate 1 and cover plate 2 are assemblied in to welding tooling.With reference to Fig. 3, welding tooling comprises frock base plate 4, and frock base plate 4 both sides are provided with frock pressing plate 5, between frock base plate 4 and frock pressing plate 5, fastening bolt 6 is installed.First base plate 1 is assemblied on frock base plate 4, with frock pressing plate 5 and 6 pairs of base plates 1 of fastening bolt, is fixed, then cover plate 2 is assemblied on base plate 1, guarantee that the distance between base plate 1 and cover plate 2 is 3mm, be the length in the gap of flare groove 3.
(3), after base plate 1 and cover plate 2 have assembled, by the roasting thermal weld frock of welding gun, with infrared radiation thermometer, guarantee that commissure temperature is 90 ℃; Then adopt argon tungsten-arc welding to position spot welding, during spot welding, electric current is 155A, and argon flow amount is 13L/min.Base plate 1 and cover plate 2 welding portions carry out one-time positioning spot welding at interval of 100mm, and solder joint length is about 8mm, and each runner corner of cover plate 2 has a solder joint at least.
(4) tack-weld adopts fusing and argon arc welding to carry out continuous welding after completing, sequential welding welding current is 200A, argon flow amount is 20L/min, four-pass is carried out altogether in continuous welding: the first passage is filled up the gap of commissure, speed of welding is 220mm/min, the second passage welding is near radiating bottom plate outside, speed of welding is 200mm/min, the 3rd passage welding is near described radiating bottom plate inner side, speed of welding is 200mm/min, weld seam is filled up in four-pass welding, and speed of welding is 190mm/min; After four-pass has welded, weld seam exceeds radiating bottom plate surface 3mm; After every a time has been welded, must the upper a time face of weld of cleaning, can carry out lower a time welding after exposing metallic luster.
(5) after base plate 1 and cover plate 2 have welded, base plate 1 and cover plate 2 and welding tooling integral body are carried out to stress relief annealing in annealing furnace, annealing temperature is 310 ℃, and annealing time is 130min.
(6) after having annealed, unload at once welding tooling, with baby press, correct shape, during the shape of school, first from radiating bottom plate back, proofread and correct, and then it is positive to proofread and correct described radiating bottom plate.
(7) after radiating bottom plate school shape completes, radiating bottom plate is assemblied on the operating desk of agitating friction soldering equipment, with the reparation that once rubs without mixing needle stirring-head 7, during reparation, stirring-head 7 pitch angle controls are 2.0 °, volume under pressure is 0.3mm, stirring-head 7 rotary speeies are 500r/min, and reparation speed is 80mm/min.
(8), after friction has been repaired, the surplus 2mm of milling processing radiating bottom plate piece surface, after milling machines, carries out surface sun to radiating bottom plate and processes.
The present invention adopts agitating friction welding technology improve and repair seam organization and performance after radiating bottom plate melting welding completes, and has improved the qualification rate of radiating bottom plate.The design of commissure flare groove and follow-up welding procedure, guaranteed weldquality simultaneously, controlled the welding deformation of postwelding product.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. a welding method for radiating bottom plate, is characterized in that, comprises the following steps:
(1) described radiating bottom plate is processed, described radiating bottom plate comprises base plate and cover plate, and flare groove is processed at described base plate and described bridge weld seam place, and the gap of described flare groove is A, the length 3mm of A;
(2) described base plate and described cover plate are cleaned, after cleaning up, described base plate and described cover plate are assemblied on welding tooling, guarantee that the distance between described base plate and described cover plate is 3mm, be the length in the gap of described flare groove;
(3), after described base plate and described cover plate have assembled, by the roasting thermal weld frock of welding gun, guarantee that commissure temperature is 90 ℃; Then position spot welding, described base plate and described cover plate welding portion, carry out one-time positioning spot welding at interval of 100mm, and solder joint length is about 8～10mm, and each runner corner of described cover plate has a solder joint at least;
(4) tack-weld carries out continuous welding after completing, four-pass is carried out altogether in continuous welding: the first passage is filled up the gap of commissure, speed of welding is 220mm/min, the second passage welding is near described radiating bottom plate outside, speed of welding is 200mm/min, and the 3rd passage welding is near described radiating bottom plate inner side, and speed of welding is 200mm/min, weld seam is filled up in four-pass welding, and speed of welding is 190mm/min;
(5) after described base plate and described cover plate have welded, described base plate, described cover plate and described welding tooling integral body are carried out to stress relief annealing, annealing temperature is 300～320 ℃, and annealing time is 130min;
(6) after having annealed, unload at once described welding tooling and correct shape, during the shape of school, first from described radiating bottom plate back, proofread and correct, and then it is positive to proofread and correct described radiating bottom plate;
(7) after described radiating bottom plate school shape completes, described radiating bottom plate is assemblied on the operating desk of agitating friction soldering equipment, with the stirring-head reparation that once rubs, during reparation, tilt angle control is 2.0～2.5 °, volume under pressure is 0.2～0.3mm, Rotating speed is 500r/min, and reparation speed is 80mm/min;
(8) after described friction reparation completes, the surplus of described radiating bottom plate piece surface is processed in milling, after milling machines, described radiating bottom plate is carried out to surface sun and process.
2. the welding method of radiating bottom plate according to claim 1, is characterized in that, in described step (1), the angle of flare groove is β, and described β is 50 °, and the root face of flare groove is B, and the length of B is 2mm.
3. the welding method of radiating bottom plate according to claim 1, is characterized in that, in described step (2), with NaOH solution, described base plate and described cover plate is cleaned.
4. the welding method of radiating bottom plate according to claim 1, it is characterized in that, in described step (2), described welding tooling comprises frock base plate, described frock base plate both sides are provided with frock pressing plate, between described frock base plate and described frock pressing plate, fastening bolt are installed.
5. the welding method of radiating bottom plate according to claim 4, it is characterized in that, in described step (2), first described base plate is assemblied on described frock base plate, with described frock pressing plate and described fastening bolt, base plate is fixed, again described cover plate is assemblied on described base plate, guarantees that the distance between described base plate and described cover plate is 3mm.
6. the welding method of radiating bottom plate according to claim 1, is characterized in that, in described step (3), with infrared radiation thermometer, guarantees that commissure temperature is 90 ℃.
7. the welding method of radiating bottom plate according to claim 1, is characterized in that, in described step (3), adopts argon tungsten-arc welding to position spot welding, and during spot welding, electric current is 150～155A, and argon flow amount is 12～15L/min.
8. the welding method of radiating bottom plate according to claim 1, is characterized in that, in described step (4), adopts fusing and argon arc welding to carry out continuous welding, and sequential welding welding current is 200～205A, and argon flow amount is 20～25L/min.
9. the welding method of radiating bottom plate according to claim 1, is characterized in that, in described step (4), after four-pass has welded, weld seam exceeds described radiating bottom plate surface 3～5mm; After every a time has been welded, must the upper a time face of weld of cleaning, can carry out lower a time welding after exposing metallic luster.
10. the welding method of radiating bottom plate according to claim 1, is characterized in that, described step (5) is to carry out in annealing furnace, and the school shape in described step (6) adopts baby press, and the stirring-head in described step (7) is interior without mixing needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652361.XA CN103659184B (en) | 2013-12-05 | 2013-12-05 | A kind of welding method of radiating bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652361.XA CN103659184B (en) | 2013-12-05 | 2013-12-05 | A kind of welding method of radiating bottom plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103659184A true CN103659184A (en) | 2014-03-26 |
| CN103659184B CN103659184B (en) | 2016-01-06 |
Family
ID=50298621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310652361.XA Active CN103659184B (en) | 2013-12-05 | 2013-12-05 | A kind of welding method of radiating bottom plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103659184B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117749A (en) * | 2014-08-13 | 2014-10-29 | 成都四威高科技产业园有限公司 | Rewelding method of aluminum alloy sealed solder joint |
| CN105414888A (en) * | 2015-11-20 | 2016-03-23 | 南通弘峰机电有限公司 | Base manufacture technology of four-high mill |
| CN106903420A (en) * | 2015-12-22 | 2017-06-30 | 上海航天设备制造总厂 | The composite stirring friction welding method of small stair structure radar panel |
| CN110347093A (en) * | 2019-08-03 | 2019-10-18 | 山东大庚工程材料科技有限公司 | A kind of whole grid welding equipment control system of high-strength intelligence |
| CN110899954A (en) * | 2019-11-12 | 2020-03-24 | 广东省焊接技术研究所（广东省中乌研究院） | Friction stir welding process of liquid cooling radiator |
| CN110899953A (en) * | 2019-11-12 | 2020-03-24 | 广东省焊接技术研究所（广东省中乌研究院） | Friction stir welding process for thin-wall battery tray |
| CN114833528A (en) * | 2022-03-31 | 2022-08-02 | 山西汾西重工有限责任公司 | Method and device for forming totally-enclosed cavity type special-shaped curved surface wing |
| CN115555814A (en) * | 2022-12-08 | 2023-01-03 | 西安聚能超导磁体科技有限公司 | Superconducting magnet framework processing method and superconducting magnet framework |
| CN115890152A (en) * | 2022-11-30 | 2023-04-04 | 天人汽车底盘（芜湖）股份有限公司 | Closed torsion beam cross beam stamping welding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020153130A1 (en) * | 2000-12-22 | 2002-10-24 | Kazutaka Okamoto | Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereof |
| JP2009148808A (en) * | 2007-12-21 | 2009-07-09 | Hitachi Constr Mach Co Ltd | Weld joint between flat members and weld joint between box-shaped structures |
| CN101691962A (en) * | 2009-09-30 | 2010-04-07 | 重庆大学 | Magnesium alloy plate type heat exchanger and processing molding method thereof |
| CN101745718A (en) * | 2009-12-17 | 2010-06-23 | 浙江东海岸船业有限公司 | Method for welding thin steel plate |
| CN102248281A (en) * | 2010-05-20 | 2011-11-23 | 上海重型机器厂有限公司 | Thick plate joint welding method |
-
2013
- 2013-12-05 CN CN201310652361.XA patent/CN103659184B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020153130A1 (en) * | 2000-12-22 | 2002-10-24 | Kazutaka Okamoto | Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereof |
| JP2009148808A (en) * | 2007-12-21 | 2009-07-09 | Hitachi Constr Mach Co Ltd | Weld joint between flat members and weld joint between box-shaped structures |
| CN101691962A (en) * | 2009-09-30 | 2010-04-07 | 重庆大学 | Magnesium alloy plate type heat exchanger and processing molding method thereof |
| CN101745718A (en) * | 2009-12-17 | 2010-06-23 | 浙江东海岸船业有限公司 | Method for welding thin steel plate |
| CN102248281A (en) * | 2010-05-20 | 2011-11-23 | 上海重型机器厂有限公司 | Thick plate joint welding method |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117749A (en) * | 2014-08-13 | 2014-10-29 | 成都四威高科技产业园有限公司 | Rewelding method of aluminum alloy sealed solder joint |
| CN104117749B (en) * | 2014-08-13 | 2016-03-02 | 成都四威高科技产业园有限公司 | A kind of rewelding method of aluminium alloy sealed welding seam |
| CN105414888A (en) * | 2015-11-20 | 2016-03-23 | 南通弘峰机电有限公司 | Base manufacture technology of four-high mill |
| CN105414888B (en) * | 2015-11-20 | 2017-10-03 | 南通弘峰机电有限公司 | A kind of footmaker skill of four-high mill |
| CN106903420A (en) * | 2015-12-22 | 2017-06-30 | 上海航天设备制造总厂 | The composite stirring friction welding method of small stair structure radar panel |
| CN110347093A (en) * | 2019-08-03 | 2019-10-18 | 山东大庚工程材料科技有限公司 | A kind of whole grid welding equipment control system of high-strength intelligence |
| CN110899954A (en) * | 2019-11-12 | 2020-03-24 | 广东省焊接技术研究所（广东省中乌研究院） | Friction stir welding process of liquid cooling radiator |
| CN110899953A (en) * | 2019-11-12 | 2020-03-24 | 广东省焊接技术研究所（广东省中乌研究院） | Friction stir welding process for thin-wall battery tray |
| CN110899953B (en) * | 2019-11-12 | 2021-08-03 | 广东省焊接技术研究所（广东省中乌研究院） | Friction stir welding process for thin-wall battery tray |
| CN114833528A (en) * | 2022-03-31 | 2022-08-02 | 山西汾西重工有限责任公司 | Method and device for forming totally-enclosed cavity type special-shaped curved surface wing |
| CN114833528B (en) * | 2022-03-31 | 2023-05-23 | 山西汾西重工有限责任公司 | Forming method and device for totally-enclosed cavity type special-shaped curved wing |
| CN115890152A (en) * | 2022-11-30 | 2023-04-04 | 天人汽车底盘（芜湖）股份有限公司 | Closed torsion beam cross beam stamping welding process |
| CN115890152B (en) * | 2022-11-30 | 2024-05-28 | 天人汽车底盘（芜湖）股份有限公司 | Stamping welding process for closed torsion beam cross beam |
| CN115555814A (en) * | 2022-12-08 | 2023-01-03 | 西安聚能超导磁体科技有限公司 | Superconducting magnet framework processing method and superconducting magnet framework |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103659184B (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103659184B (en) | A kind of welding method of radiating bottom plate | |
| JP5602458B2 (en) | Method for joining two metal parts by a tungsten-inert gas welding method and apparatus for carrying out the method | |
| CN101301714B (en) | Stainless steel plate fin type heat exchanger core body high-temperature brazing jig and manufacturing process thereof | |
| CN102962543B (en) | Welding process for red copper and stainless steel dissimilar materials | |
| CN105728895B (en) | A kind of Al-alloy parts welding method | |
| CN103084703A (en) | Method for patching, overlay welding and reproducing large-scale hollow steel casting | |
| CN104070287A (en) | Method and device for restraining softening of high-strength aluminum alloy stirring friction welding joint | |
| CN104959725A (en) | Electron beam welding deformation control method of large variable-thickness component | |
| CN107598340B (en) | Method for welding T-shaped joint of large thick plate | |
| CN103008898B (en) | The welding method of tack-weld method, welding method and box beam | |
| CN105414764A (en) | TIG (tungsten inert gas welding) arc synchronous preheating assisted connection method based on laser additive manufacturing | |
| CN104551422A (en) | Welding process of large-sized magnesium alloy extending table | |
| CN103769820A (en) | Global superplastic forming method of titanium alloy thin-wall deformed closed part | |
| CN104400203B (en) | A kind of electro-beam welding process being applicable to martensite steel high density runner encapsulated moulding | |
| CN105563018A (en) | Machining method of DCMP aluminium alloy vacuum soldering machine case | |
| CN104526125A (en) | TIG (tungsten inert gas) welding process of aluminum with thickness of 6-10mm and alloy thereof | |
| CN101559549A (en) | Process method for rewelding of high strength steel | |
| CN106271023A (en) | A kind of method using agitating friction weldering that cold drawing is sealed | |
| CN103624377A (en) | Welding forming method of box-type support element panels | |
| CN103624398A (en) | High-intensity aluminum alloy thick-plate low-heat input stirring friction welding method | |
| CN106392302B (en) | A kind of welding method of vertical aluminium busbar | |
| CN104439648A (en) | 3-5 mm-thick plate aluminum and 3-5 mm-thick plate aluminum alloy TIG welding process | |
| CN103624393B (en) | The hot self-pressure method of attachment of rigid restraint | |
| CN105269167B (en) | It is complete to carry van-type front part of the carriage plate weld technique | |
| CN215238459U (en) | Cracked welding device for base of large wheel fixing table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |