CN105081534B - Thin-wall aluminum alloy housing girth joint receives the TIG weld method of arc quality in raising - Google Patents
Thin-wall aluminum alloy housing girth joint receives the TIG weld method of arc quality in raising Download PDFInfo
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- CN105081534B CN105081534B CN201510563449.3A CN201510563449A CN105081534B CN 105081534 B CN105081534 B CN 105081534B CN 201510563449 A CN201510563449 A CN 201510563449A CN 105081534 B CN105081534 B CN 105081534B
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- welding
- arc
- aluminum alloy
- wall aluminum
- girth joint
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 37
- 238000003466 welding Methods 0.000 claims abstract description 70
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 8
- 230000004927 fusion Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 6
- 230000035515 penetration Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
-
- 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
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to the TIG weld method that thin-wall aluminum alloy housing girth joint in a kind of raising receives arc quality, after being completed one week using thin-wall aluminum alloy housing girth joint in the welding of TIG weld technique, start to receive arc operation when welding pool advance side will melt starting weld seam, receipts arc operation is divided into once collaboration decay and cooperates with two stages of decay to be operated with secondary, carry out, and then complete girth joint to receive arc welding according to the welding current accordingly matched, speed of welding, wire feed rate parameter receiving arc operating process.The TIG weld method specify that the opportunity for receiving arc operation, has quantified to receive the match parameter of arc welding collaboration decay in receipts arc operation, has made receipts arc be more convenient for operating.The TIG weld method can solve the problem that receipts arc weld crack, the weld defect such as incomplete fusion and stomata the problem of, improve receipts arc quality, and then reduce welding repair rate, improve product manufacturing efficiency, saved production cost.
Description
Technical field
The present invention relates to the TIG weld method that thin-wall aluminum alloy housing girth joint in a kind of raising receives arc quality.
Background technology
With the development of science and technology, increasing steel structure housing or cylinder are replaced by aluminum alloy materials now,
To reach the light-weighted purpose of product.In order to control cost, the housing overwhelming majority is using the shaping of coiling welded and butt welding process, without adopting
With extruding or spinning process.Such as many at present housings for being used to store, convey all employ thickness 1.0mm~6.0mm it
Between middle thin-wall aluminum alloy structure, this relates to the welding of girth joint between cylinder.Using Gas Tungsten Arc Welding technique (TIG)
Welded case main ring weldquality can reach I grade, but easily produce and split with the weld seam at the receipts arc of starting weld seam overlap joint
The weld defects such as line, lack of penetration and stomata, so as to have impact on the quality of whole product, it is impossible to meet product use requirement.
Cause to receive the low main cause of welding quality at arc and hold inaccurate, welding current and speed of welding to receive the opportunity of arc
And wire feed rate parameter mismatches what is caused.Receipts arc is too early, the too fast weld seam of wire feed rate easily produces lack of penetration, receipts arc mistake
Evening, welding current is excessive easily causes crackle and stomata.
Application publication number is CN104526126A (Application No. 201410694846.X) Chinese invention patent application《One
Plant the aluminium and alloy TIG weldering welding procedures of 14-16mm thicknesss of slab》, a kind of TIG welderings welding procedure disclosed in it, but technique master
To be operated for the aluminium and alloy of 14-16mm middle heavy wall, its TIG welderings welding procedure is not for receiving arc welding side
Method provides special improvement, in welding process there are still there is crackle, the possibility of the weld defect such as lack of penetration and stomata.
The content of the invention
The technical problems to be solved by the invention are to provide one kind for above-mentioned prior art can effectively control to receive arc-welding
Occurs the TIG weld method of the weld defects such as crackle, lack of penetration and stomata when connecing, thin-walled during the TIG weld method can be improved
Al-alloy casing girth joint receives arc quality.
The present invention the used technical scheme that solves the above problems is：Thin-wall aluminum alloy housing girth joint is received during one kind is improved
The TIG weld method of arc quality, it is characterised in that comprise the following steps：
Step 1: using TIG weld technique weld in thin-wall aluminum alloy housing girth joint complete one week after, to receive arc when
Machine is confirmed, starts to receive arc operation when welding pool advance side will melt starting weld seam；
Step 2: when reaching receipts arcs opportunity of step one, proceed by receipts arc operation, decay is once cooperateed with first,
I.e. within 10s~12s time, by welding current by former welding current I0Gradually it is reduced to I1, wherein I1=0.6I0~0.7I0, will
Speed of welding is by former speed of welding v0Gradually it is reduced to v1, wherein v1=0.3v0~0.4v0, by wire feed rate by former wire feed rate V0
Gradually it is reduced to V1, wherein V1=0.8V0~0.9V0；
Step 3: proceeding to receive arc operation, once after the completion of collaboration decay, secondary collaboration decay is carried out immediately, that is, is existed
In 8s~10s time, by welding current by I1Gradually it is reduced to I2, wherein I2=0.4I0~0.5I0, speed of welding is maintained at v1
Constant, wire feed rate is by V1It is reduced to V2, wherein V2=0.5V0~0.6V0；
Step 4: secondary collaboration decay puts out electric arc after completing, that is, complete girth joint and receive arc welding.
Preferably, the TIG weld technique used connects technique for automatic tungsten anode argon arc welding.
Preferably, middle thin-wall aluminum alloy housing girth joint completes welding in one week and received in arc operating process, and welding gun is motionless, in
Thin-wall aluminum alloy housing is rotated, and the rotating speed of middle thin-wall aluminum alloy housing is adjustable.
Preferably, welding wire passes through certainly in middle thin-wall aluminum alloy housing girth joint completes welding in one week and receives arc operating process
The mode of dynamic wire feed carries out wire feed, and the wire feeding mode and wire feed rate of welding wire are adjustable.
Preferably, the wall thickness of the middle thin-wall aluminum alloy housing is 1.0mm~6.0mm.
Compared with prior art, the advantage of the invention is that：Thin-wall aluminum alloy housing girth joint receives arc quality in the raising
TIG weld method specify that receive arc operation opportunity, and by receive arc operation be subdivided into two operational phases, while measure respectively again
Receipts arc welding cooperates with the match parameter decayed during having changed two operational phases for receiving arc operation, makes middle thin-wall aluminum alloy housing
Girth joint receives arc and is more convenient for operating.The TIG weld method can solve the problem that receipts arc weld crack, the welding such as incomplete fusion and stomata
The problem of defect, improve thin-wall aluminum alloy housing girth joint in TIG weld and receive arc quality, make receipts arc weld with main body girth joint
Equally reach I grade.And then thin-wall aluminum alloy case weld repair rate in can effectively reducing, product manufacturing efficiency is improved, is saved
About production cost.
Brief description of the drawings
Fig. 1 is the flow chart of TIG weld method of the present invention.
Fig. 2 has the middle thin-wall aluminum alloy case weld structural representation of different-diameter girth joint for the present invention.
Fig. 3 receives arc welding schematic diagram for thin-wall aluminum alloy housing girth joint in the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one
Thin-wall aluminum alloy housing girth joint receives the TIG weld method of arc quality in being improved in the present embodiment, and it receives arc operation
Including once cooperateing with decay and secondary collaboration two stages of decay.The aluminium alloy of 2.0mm wall thickness girth joints is directed in the embodiment
Housing 1 is connect technique and is subjected to using automatic tungsten anode argon arc welding, and during whole welding operation, welding gun is motionless, in it is thin
Wall Al-alloy casing 1 is rotated, and the rotating speed of middle thin-wall aluminum alloy housing 1 is adjustable, while the side that welding wire 2 passes through automatic feeding
Formula carries out wire feed, and the wire feed rate of welding wire 2 is adjustable.
As shown in figure 1, the TIG weld method specifically includes following steps：
Step 1: as shown in Fig. 2 thin-wall aluminum alloy housing girth joint is completed in being welded using existing TIG weld technique
After one week, the opportunity for receiving arc is confirmed, as shown in figure 3, being opened when welding pool advance side 3 will melt starting weld seam 4
Begin to receive arc operation；
Step 2: when reaching receipts arcs opportunity of step one, proceed by receipts arc operation, decay is once cooperateed with first,
Specially within 10s time, welding current is gradually linearly reduced to 90A by 130A, by speed of welding by 110mm/min gradually
40mm/min linearly is reduced to, wire feed rate is gradually linearly reduced to 3060mm/min by 3600mm/min；
Step 3: once after the completion of collaboration decay, secondary collaboration decay is carried out immediately, will specially within 8s time
Welding current is gradually linearly reduced to 65A by 90A, and speed of welding is maintained at that 40mm/min is constant, and wire feed rate is by 3060mm/min
Gradually linearly it is reduced to 2000mm/min；
Step 4: secondary collaboration decay puts out electric arc after completing, that is, complete girth joint and receive arc welding.
Under the control of the match parameter of foregoing receipts arc welding collaboration decay, in being welded by above-mentioned TIG weld method
Thin-wall aluminum alloy housing 1, middle thin-wall aluminum alloy housing girth joint receives arc quality and equally reaches I grade with main body girth joint, does not occur
The weld defects such as crackle, incomplete fusion and stomata
Embodiment two
The present embodiment is differed only in embodiment one：Once collaboration attenuation process in, by welding current by 150A by
100A is gradually linearly reduced to, speed of welding 40mm/min is gradually linearly reduced to by 110mm/min, by wire feed rate by 3700mm/
Min is gradually linearly reduced to 3100mm/min.
In secondary collaboration attenuation process, welding current is gradually linearly reduced to 70A by 100A, speed of welding is maintained at
40mm/min is constant, and wire feed rate is gradually linearly reduced to 2050mm/min by 3100mm/min.
Under the control for the match parameter for receiving arc welding collaboration decay in this embodiment, middle thin-wall aluminum alloy housing girth joint
Receive arc quality and still equally reach I grade with main body girth joint, and do not occur the weld defects such as crackle, incomplete fusion and stomata.
Embodiment three
The present embodiment is differed only in embodiment one：Once in collaboration attenuation process, within 12s time, it will weld
Connect electric current and 105A is gradually linearly reduced to by 160A, speed of welding is gradually linearly reduced to 40mm/min by 100mm/min, by wire feed
Speed is gradually linearly reduced to 3200mm/min by 3800mm/min.
In secondary collaboration attenuation process, within 10s time, welding current is gradually linearly reduced to 80A by 105A, welded
Connect speed and be maintained at that 40mm/min is constant, wire feed rate is gradually linearly reduced to 2100mm/min by 3200mm/min.
Under the control for the match parameter for receiving arc welding collaboration decay in this embodiment, middle thin-wall aluminum alloy housing girth joint
Receive arc quality and still equally reach I grade with main body girth joint, and do not occur the weld defects such as crackle, incomplete fusion and stomata.
Claims (5)
1. thin-wall aluminum alloy housing girth joint receives the TIG weld method of arc quality in a kind of raising, it is characterised in that including as follows
Step：
Step 1: after thin-wall aluminum alloy housing girth joint is completed one week in being welded using TIG weld technique, entering to the opportunity for receiving arc
Row confirms, starts to receive arc operation when welding pool advance side will melt starting weld seam；
Step 2: when reaching receipts arcs opportunity of step one, proceeding by receipts arc operation, decay once being cooperateed with first, that is, is existed
In 10s~12s time, by welding current by former welding current I0Gradually it is reduced to I1, wherein I1=0.6I0~0.7I0, will weld
Speed is by former speed of welding v0Gradually it is reduced to v1, wherein v1=0.3v0~0.4v0, by wire feed rate by former wire feed rate V0Gradually
It is reduced to V1, wherein V1=0.8V0~0.9V0；
Step 3: proceed receive arc operation, once collaboration decay after the completion of, carry out immediately it is secondary collaboration decay, i.e., 8s~
In 10s time, by welding current by I1Gradually it is reduced to I2, wherein I2=0.4I0~0.5I0, speed of welding is maintained at v1It is constant,
Wire feed rate is by V1It is reduced to V2, wherein V2=0.5V0~0.6V0；
Step 4: secondary collaboration decay puts out electric arc after completing, that is, complete girth joint and receive arc welding.
2. TIG weld method according to claim 1, it is characterised in that：The TIG weld technique used is automatic tungsten electrode argon
Arc welding technique.
3. TIG weld method according to claim 1, it is characterised in that：Middle thin-wall aluminum alloy housing girth joint completes one
In week welding and receipts arc operating process, welding gun is motionless, and middle thin-wall aluminum alloy housing is rotated, and middle thin-wall aluminum alloy housing
Rotating speed is adjustable.
4. TIG weld method according to claim 1, it is characterised in that：Completed in middle thin-wall aluminum alloy housing girth joint
Welding wire carries out wire feed, and the wire feeding mode and wire feed of welding wire by way of automatic feeding in welding in one week and receipts arc operating process
Speed is adjustable.
5. TIG weld method according to claim 1, it is characterised in that：The wall thickness of the middle thin-wall aluminum alloy housing is
1.0mm~6.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563449.3A CN105081534B (en) | 2015-09-07 | 2015-09-07 | Thin-wall aluminum alloy housing girth joint receives the TIG weld method of arc quality in raising |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563449.3A CN105081534B (en) | 2015-09-07 | 2015-09-07 | Thin-wall aluminum alloy housing girth joint receives the TIG weld method of arc quality in raising |
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| Publication Number | Publication Date |
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| CN105081534A CN105081534A (en) | 2015-11-25 |
| CN105081534B true CN105081534B (en) | 2017-07-21 |
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| CN201510563449.3A Expired - Fee Related CN105081534B (en) | 2015-09-07 | 2015-09-07 | Thin-wall aluminum alloy housing girth joint receives the TIG weld method of arc quality in raising |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107243694B (en) * | 2017-07-19 | 2019-08-30 | 大族激光科技产业集团股份有限公司 | A kind of stitch welding of automobile galvanized sheet |
| CN107885244B (en) * | 2017-11-20 | 2021-04-06 | 昆山华恒焊接股份有限公司 | Girth welding control method, device and system and computer-readable storage medium |
| CN110102923B (en) * | 2019-05-28 | 2021-04-30 | 昆山华恒焊接股份有限公司 | Arc-closing control method for applying plasma-TIG double welding guns to welding of circular weld joint |
| CN110899937B (en) * | 2019-12-25 | 2021-09-14 | 云南昆船机械制造有限公司 | Plasma girth welding hole receiving process method |
| CN114012206B (en) * | 2021-11-22 | 2023-05-05 | 潍坊新松机器人自动化有限公司 | Arc-collecting method of intelligent welding robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005095915A (en) * | 2003-09-24 | 2005-04-14 | Hitachi Ltd | Circumferential multilayer sequence welding method, and automatic welding equipment |
| JP6040482B2 (en) * | 2013-02-19 | 2016-12-07 | 日鉄住金パイプライン＆エンジニアリング株式会社 | MAG welding equipment |
| CN103521888B (en) * | 2013-08-28 | 2016-01-13 | 上海汇众汽车制造有限公司 | Strengthen the welding method of Der Laengslenker intensity |
| CN103752994A (en) * | 2013-12-31 | 2014-04-30 | 盐城市锅炉制造有限公司 | Circular seam welding process of thin-wall container |
| CN103846528B (en) * | 2014-03-21 | 2015-12-09 | 佛山晓世科技服务有限公司 | A kind of annular solder method |
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