CN106312252B - Overcome method of the magnetic field to arc magnetic blow - Google Patents
Overcome method of the magnetic field to arc magnetic blow Download PDFInfo
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- CN106312252B CN106312252B CN201610948909.9A CN201610948909A CN106312252B CN 106312252 B CN106312252 B CN 106312252B CN 201610948909 A CN201610948909 A CN 201610948909A CN 106312252 B CN106312252 B CN 106312252B
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- arc
- welding
- magnetic field
- weld seam
- weldment
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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
- B23K9/00—Arc welding or cutting
- B23K9/08—Arrangements or circuits for magnetic control of the arc
Abstract
It can prevent electric arc from producing arc blow and overcoming method of the magnetic field to arc magnetic blow the invention discloses a kind of.It belongs to welding production technical field in magnetic field, and this overcomes magnetic field to comprise the following steps the method for arc magnetic blow：1) welding rod containing cellulose coating is selected；70V is more than using floating voltage and there is the DC welder of thrust function；2) the weldment wiring point being connected with the positive terminal of DC welder is set in the both sides of welded part weld seam, the negative pole of soldering turret and DC welder is connected；3) higher limit by push current selection for DC welder push current scope；4) welding arc shorted contacts, current interruption weldering operation arc manipulation；Current interruption weldering operating frequency control is in 40~50 times/min.Using this overcome magnetic field the method for arc magnetic blow can be overcome chemical industry electrolytic cell and surrounding caused by magnetic field to the role and influence of welding arc, weaken the arc blow phenomenon of welding arc, ensure that welding is smoothed out.
Description
Technical field
The present invention relates to welding production technical field, especially one kind in the electrolytic cell of chemical industry equipment and surrounding magnetic field to overcome
Method of the magnetic field to arc magnetic blow.
Background technology
Known, existing welding technique is welded under magnetic field environment, typically using following welding technique：
1st, general using exchange electric welding, because the magnetic field of change produces induced-current in the conductor, and induced-current produces
Field weakening welding current caused by magnetic field, so as to controlling certain arc blow.
2nd, it is mainly generally for the measure for preventing arc blow：1. reducing the remanent magnetism on weldment, the part on weldment is utilized
The method of heating, the remanent magnetism around weld seam can be reduced to reduce the arc blow of electric arc；2. with anti-demagnetization method, allow on weldment and produce phase
Counter magnetic field offsets the remanent magnetism on weldment, so as to overcoming and eliminate the influence of arc blow to welding arc etc..
In research at home and abroad, there are many measures on being taken in magnetic field environment during welding and method, but all
More complicated or dumb convenience, puts into practice, effect is undesirable through Site Welding.In the magnesium electrolysis workshop for producing titanium sponge, because of electricity
The current strength in groove production process is solved up to 180KA, larger electromagnetic field is produced in electrolytic cell and energization bus surrounding, and
Between multiple electrolytic cells and the distance between energization bus is all closer, and mutual magnetic field can be superimposed, and forms electrolytic cell and mother again
The size and Orientation of the magnetic field intensity of each point is all uneven around line, after testing magnetic field intensity maximum reach 300 (G) Gausses with
On.Certain arc blow occurs in these magnetic fields, and the welding material and electric arc droplet transfer during so as to arc welding produce serious
Influence, conventional arc welding method can not be welded, next difficult to being safeguarded in workshop, overhauling welded bands.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of influence that can reduce magnetic field to welding arc, it is therefore prevented that
Electric arc produces arc blow, and the Site Welding operation application in the environment for meeting to have magnetic field to magnetic metal material overcomes magnetic field pair
The method of arc magnetic blow.
The technical solution adopted for the present invention to solve the technical problems is：Overcome side of the magnetic field to arc magnetic blow
Method, comprise the following steps：
1) welding rod containing cellulose coating is selected；70V is more than using floating voltage and there is the direct current of thrust function
Welding machine；
2) both sides of weld seam one end are respectively provided with weldment wiring point on welded part；And cause the weldment wiring of weld seam both sides
Point is symmetrical on the center line of weld seam；The distance between the weldment wiring point and weld seam d1 is 200~300mm；Pass through wire
Weldment wiring point is electrically connected with the positive terminal of direct current generator；The negative terminals of soldering turret and DC welder are connected；
3) push current is arranged to the higher limit of DC welder push current scope；
4) soldering turret is pressed from both sides into upper welding rod welding arc short circuit contact, current interruption weldering operation arc manipulation；Current interruption weldering operating frequency control exists
40~50 times/min；
When the current interruption of back cover layer operates, welded using flap, every, the welding bead molten bath fish scale weld tabs of formation uses zigzag arc manipulation
Method is welded, first by welding rod point in the root of weld seam, force down electric arc do it is slight swing once diagonally forward after, return in weld seam
Between arc extinguishing；Weld seam forms bottom welding bead after the completion of sealing backing weld；
When packed layer, capping layer current interruption operation, welded using flap, every, the welding bead molten bath fish scale weld tabs of formation uses
Zigzag manipulation of electrode weld, ignite electric arc in molten bath centre position, the center shorted contacts molten bath of welding rod upper contact is retreaded be flapped toward before
After swinging once, arc extinguishing among molten bath is then laterally returned to.
Further, positive terminal of the weld seam both sides weldment wiring point with DC welder passes through wire in step 2)
Electrical connection, and the length of wire and diameter all same.
Further, the weldment wiring point described in step 2) should be not less than with the distance between the end face of weld seam one end d2
100mm。
Further, welded in the current interruption of step 4) middle cover surface layer operates welding process using zigzag manipulation of electrode
Comprise the following steps that：
Behind welding rod shorted contacts molten bath, when the center of welding rod upper contact is tiltedly swung at bevelled edge 2mm, immediately again tiltedly
Swing at the 2mm away from groove other edge, then laterally return to arc extinguishing among molten bath.
The beneficial effects of the invention are as follows：It is of the present invention to overcome magnetic field to the method for arc magnetic blow in step 1)
It is middle to use cellulose covered electrode, because the gas blowing force of cellulose covered electrode welding arc is big, longitudinal transition power of electric arc
It is larger, role and influence of certain electromagnetic force to the electric arc droplet transfer can be overcome；Then by being welded in step 2)
On fitting, the both sides of weld seam set the weldment wiring point being connected with the positive terminal of DC welder, so that weld seam both sides
Caused electric current is more uniform in welding process；So that welding current produces more uniform magnetic field around weld seam, avoid
Magnetic field produces interference to welding arc；The push current of DC welder is chosen for maximum in step 3), so as to increase
Welding arc helps blowing force；Finally, welding arc shorted contacts, current interruption weldering operation arc manipulation are taken in step 4)；Current interruption weldering behaviour
Working frequency is controlled in 40~50 times/min；When back cover layer, packed layer, capping layer current interruption operation, welded using flap, formation
Every, welding bead molten bath using zigzag manipulation of electrode welding manner, during so as to reduce effect of the magnetic field to the electric arc droplet transfer
Between, influence of the magnetic field to welding arc is effectively further reduced, prevents electric arc from producing arc blow, and welding pool size is easy
Control, the tow sides shaping of weld seam are good.And can overcome chemical industry electrolytic cell and surrounding caused by magnetic field butt welding
The role and influence of electric arc are connect, weakens the arc blow phenomenon of welding arc, ensures that welding is smoothed out.
Brief description of the drawings
Fig. 1 is the mode of connection schematic diagram of DC welder in the embodiment of the present invention；
Fig. 2 is longitudinal measure arc manipulation schematic diagram in the embodiment of the present invention；
Fig. 3 is transverse weld arc manipulation schematic diagram in the embodiment of the present invention；
Fig. 4 is the partial enlarged drawing of A in Fig. 2；
Fig. 5 is the partial enlarged drawing of B in Fig. 3；
Indicated in figure：1- DC welders, 11- negative terminals, 12- positive terminals, 2- soldering turrets, 3- welded parts, 31-
Weld seam, 4- welding rods, 5- fish scale weld tabs, 6- bottom welding beads.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figure 1 to Figure 5, wherein, it is of the present invention to overcome method of the magnetic field to arc magnetic blow, including following step
Suddenly：
1) welding rod 4 containing cellulose coating is selected；70V is more than using floating voltage and there is the direct current of thrust function
Welding machine 1；
2) both sides of the one end of weld seam 31 are respectively provided with weldment wiring point on welded part 3；And cause the weldering of the both sides of weld seam 31
Part wiring point is symmetrical on the center line of weld seam 31；The distance between the weldment wiring point and weld seam d1 is 200~300mm；
Weldment wiring point is electrically connected with the positive terminal 12 of direct current generator by wire；The negative pole of soldering turret 2 and DC welder 1 is connect
Line end 11 connects；
3) push current is arranged to the higher limit of the push current scope of DC welder 1；
4) the upper welding arc shorted contacts of welding rod 4, current interruption weldering operation arc manipulation will be pressed from both sides on soldering turret 2；Operating frequency control is welded in current interruption
System is in 40~50 times/min；
When the current interruption of back cover layer operates, welded using flap, every, the welding bead molten bath fish scale weld tabs 5 of formation is transported using zigzag
Bar method is welded, first by 4 points of welding rod in the root of weld seam, force down electric arc do it is slight swing once diagonally forward after, return to weldering
Arc extinguishing among seam；Weld seam forms bottom welding bead 6 after the completion of sealing backing weld；
When packed layer, capping layer current interruption operation, welded using flap, every, the welding bead molten bath fish scale weld tabs 5 of formation is adopted
Welded with zigzag manipulation of electrode, ignite electric arc in molten bath centre position, and retread pendulum for the center shorted contacts molten bath of the upper contact of welding rod 4
After swinging once forward, arc extinguishing among molten bath is then laterally returned to.
Welding rod 4 of the selection containing cellulose coating can strengthen the blowing force of welding arc in step 1).Using unloaded electricity
Pressure is more than 70V and the DC welder 1 with thrust function；So as to improve the stability of striking performance and arc burning,
When preventing electric arc short circuiting transfer, there is adhesion welding rod phenomenon.
The both sides of the one end of weld seam 31 are respectively provided with weldment wiring point on welded part 3 in step 2)；And cause weld seam 31
The weldment wiring point of both sides is symmetrical on the center line of weld seam 31；The distance between the weldment wiring point and weld seam d1 is 200
~300mm；Weldment wiring point is electrically connected with the positive terminal 12 of direct current generator by wire；By soldering turret 2 and DC welder
(1) negative terminals 11 connect.
By setting the symmetrical weldment wiring point of center line on weld seam 31 on welded part 3；The weldment wiring
The distance between point and weld seam d1 are 200~300mm；The positive terminal 12 of the weldment wiring point and DC welder 1 is electrically connected
Connect.So that welded part 3 electrically connects with the positive pole of DC welder 1, therefore the deflection of welding arc and upright and outspoken can be strengthened
Property.
Simultaneously because the distance between the weldment wiring point of the both sides of weld seam 31 and weld seam d1 are 200 on the welded part 3
~300mm；So that the Distribution of Magnetic Field as caused by electric current is more uniform around weld seam 31, further reduce because of welding electricity
Influence of the magnetic field caused by stream to arc magnetic blow.
Set on welded part 3 on the wiring point on the symmetrical weldment of center line of weld seam 31；Enable to welding
When connecing, the both sides weldment 3 of weld seam 31 is essentially identical by welding current size, and caused magnetic field is symmetrical more uniform.
In step 3), push current is arranged to the higher limit of the push current scope of DC welder 1；Select larger push away
Power electric current helps blowing force so as to increase welding arc.
In step 4), the upper welding arc shorted contacts of welding rod 4, current interruption weldering operation arc manipulation will be pressed from both sides on soldering turret 2；Current interruption weldering behaviour
Working frequency is controlled in 40~50 times/min；
Specifically, when the current interruption of back cover layer operates, welded using flap, every, the welding bead molten bath fish scale weld tabs 5 of formation uses Z
Font manipulation of electrode welds, first by 4 points of welding rod in the root of weld seam, force down electric arc do it is slight swing once diagonally forward after,
Return to arc extinguishing among weld seam；Weld seam forms bottom welding bead 6 after the completion of sealing backing weld；
When packed layer, capping layer current interruption operation, welded using flap, every, the welding bead molten bath fish scale weld tabs 5 of formation is adopted
Welded with zigzag manipulation of electrode, ignite electric arc in molten bath centre position, and retread pendulum for the center shorted contacts molten bath of the upper contact of welding rod 4
After swinging once forward, arc extinguishing among molten bath is then laterally returned to.
As shown in Fig. 1 to 5, when welding packed layer, when welding every weld tabs 5, carry out a starting the arc and receive arc, such as
Shown in Fig. 4, for longitudinal measure arc manipulation monolithic molten bath weld tabs 5 weld schematic diagram, arcing point is C points, and receipts acnode is D points, from C points to
D points use zigzag manipulation of electrode.
As shown in figure 5, transverse weld arc manipulation monolithic fish scale weld tabs 5 welds schematic diagram, arcing point is E points, and receipts acnode is F
Point, zigzag manipulation of electrode is used from E points to F points.
In step 4 using above-mentioned welding method due in operating process welding arc it is low, electric arc is in molten bath pivot
Amplitude carries out a starting the arc per a piece of fish scale weld tabs 5 and receives arc, so that the residence time less and using flap weldering
It is short, action time when reducing magnetic field to the electric arc droplet transfer, influence of the magnetic field to welding arc can be efficiently reduced, is prevented
Arc blow, and welding pool system easy to control in size, tow sides shaping are good.
In summary, it is of the present invention to overcome magnetic field to use fiber in step 1) to the method for arc magnetic blow
The welding rod 4 of plain coating, because the gas blowing force of cellulose covered electrode welding arc is big, longitudinal transition power of electric arc is larger, can
To overcome role and influence of certain electromagnetic force to the electric arc droplet transfer；Then in step 2) by welded part 3,
The both sides of weld seam 31 set the weldment wiring point being connected with the positive terminal of DC welder 1, so that the both sides of weld seam 31 exist
The electric current passed through in welding process is more uniform；So that welding current produces more uniform magnetic field around weld seam, magnetic is avoided
Field produces interference to welding arc；The push current of DC welder is chosen for maximum in step 3), so as to once big weldering
Connect electric arc helps blowing force；Finally, welding arc shorted contacts, current interruption weldering operation arc manipulation are taken in step 4)；Current interruption weldering operation
FREQUENCY CONTROL is in 40~50 times/min；When back cover layer, packed layer, capping layer current interruption operation, welded using flap, the weldering of formation
Every, road molten bath fish scale weld tabs uses the welding manner of zigzag manipulation of electrode, so as to reduce effect of the magnetic field to the electric arc droplet transfer
Time, influence of the magnetic field to welding arc is effectively further reduced, prevent electric arc from producing arc blow, and welding pool size is held
Easy to control, the tow sides shaping of weld seam is good.And can overcome chemical industry electrolytic cell and surrounding caused by magnetic field pair
The role and influence of welding arc, weaken the arc blow phenomenon of welding arc, ensure that welding is smoothed out.
In order that it is essentially identical to obtain the welding current size that the both sides of weld seam 31 pass through；Further, the weld seam in step 2)
(31) weldment wiring point in both sides is electrically connected with the positive terminal 12 of DC welder 1 by wire, and the length of wire and straight
Footpath all same.
In order that magnetic field caused by welding current can around weld seam 31 distribution uniform, further, in step
2) weldment wiring point described in is more than or equal to 100mm with the distance between the end face of the one end of weld seam 31 d2.
In order to ensure the welding quality of weld seam 31, further, in the current interruption of step 4) middle cover surface layer operates welding process
Comprised the following steps that using what zigzag manipulation of electrode was welded：
Behind the shorted contacts molten bath of welding rod 4, when the center of the upper contact of welding rod 4 is tiltedly swung at bevelled edge 2mm, immediately again
Tiltedly swing at the 2mm away from groove other edge, then laterally return to arc extinguishing among molten bath.Because capping layer is located at the table of weld seam
Layer, capping layer needs to form preferable transition with weldment, therefore uses above-mentioned welding method, enables to quality of weld seam molding
It is good；Avoid welding rod 4 center be too near to bevelled edge so that the edge of groove melt at high temperature excessively, generation undercut defect.
Embodiment 1
Method of the magnetic field to arc magnetic blow is overcome using of the present invention, to carrying out magnetic in magnetic field environment
The arc welding of material；Its specific implementation step comprises the following steps：
1st, the welding rod 4 containing cellulose coating is selected；70V is more than using floating voltage and there is the direct current of thrust function
Welding machine 1.
2nd, the both sides of the one end of weld seam 31 are respectively provided with weldment wiring point on welded part 3；And cause the weldering of the both sides of weld seam 31
Part wiring point is symmetrical on the center line of weld seam 31；The distance between the weldment wiring point and weld seam d1 is 200~300mm；
The positive terminal 12 of weldment wiring point and direct current generator is connected by wire；By soldering turret 2 and the negative terminal of DC welder 1
The connection of end 11.
The 3rd, push current is arranged to the higher limit of the push current scope of DC welder 1.
4) soldering turret 2 is pressed from both sides into upper welding rod 4, welding arc shorted contacts, current interruption weldering operation arc manipulation；Current interruption weldering operating frequency control
In 40~50 times/min；
When the current interruption of back cover layer operates, welded using flap, every, the welding bead molten bath fish scale weld tabs 5 of formation is transported using zigzag
Bar method is welded, first by 4 points of welding rod in the root of weld seam, force down electric arc do it is slight swing once diagonally forward after, return to weldering
Arc extinguishing among seam；Weld seam forms bottom welding bead 6 after the completion of sealing backing weld；
When packed layer, capping layer current interruption operation, welded using flap, every, the welding bead molten bath fish scale weld tabs 5 of formation is adopted
Welded with zigzag manipulation of electrode, ignite electric arc in molten bath centre position, and the center shorted contacts molten bath of welding rod 4, which is retreaded, is flapped toward front left and right
After swinging once, arc extinguishing among molten bath is then laterally returned to.
Embodiment 2, embodiment 3, comparative example 1 and comparative example 2 use the method in embodiment 1, change direct current therein
Welding machine floating voltage and current interruption weldering operating frequency, the parameter specifically changed and corresponding technique effect, are shown in Table 1；
Table 1
Note：Magnetic blow-out refers to that electric arc deviates the phenomenon of welding rod axis partially；Typically verified in test weld.Because it can not measure
Electric arc deviates the distance of welding rod axis, therefore typically observes by the naked eye whether electric arc deviates welding rod axis, so as to judge whether
It is inclined to there is magnetic blow-out.Success rate refers to that welding obtains the percentage of qualified products and whole welding products.
The arc manipulation method of operation is welded in magnetic field environment of the present invention as can be seen from the above table；When DC welder is unloaded
Voltage selection 70V and more than 70V and current interruption weldering operating frequency for 40~50 times/min when, be not in magnetic in welding process
Blow inclined phenomenon；The normal weld under magnetic field environment can be ensured.
Claims (4)
1. overcome method of the magnetic field to arc magnetic blow, it is characterised in that comprise the following steps：
1) welding rod (4) containing cellulose coating is selected；Welded using the direct current that floating voltage is more than 70V and has thrust function
Machine (1)；
2) both sides of weld seam (31) one end are respectively provided with weldment wiring point on welded part (3)；And cause weld seam (31) both sides
Weldment wiring point is symmetrical on the center line of weld seam (31)；The distance between the weldment wiring point and weld seam d1 be 200~
300mm；The positive terminal of weldment wiring point and direct current generator (12) is connected by wire；By soldering turret (2) and DC welder
(1) negative terminals (11) connection；
3) push current is arranged to the higher limit of DC welder (1) push current scope；
4) by welding rod (4) on soldering turret (2) folder, welding arc shorted contacts, current interruption weldering operation arc manipulation；Current interruption weldering operating frequency control
In 40~50 times/min；
When the current interruption of back cover layer operates, welded using flap, every, the welding bead molten bath fish scale weld tabs (5) of formation uses zigzag arc manipulation
Method is welded, and first by welding rod (4) point in the root of weld seam, is forced down after electric arc does and slightly swing once diagonally forward, is returned to weldering
Arc extinguishing among seam；Weld seam forms bottom welding bead (6) after the completion of sealing backing weld；
When packed layer, capping layer current interruption operation, welded using flap, every, the welding bead molten bath fish scale weld tabs (5) of formation uses Z
Font manipulation of electrode welds, and ignite electric arc in molten bath centre position, and welding rod (4) center shorted contacts molten bath, which is retreaded, is flapped toward front left and right pendulum
After moving once, arc extinguishing among molten bath is then laterally returned to.
2. overcome method of the magnetic field to arc magnetic blow as claimed in claim 1, it is characterised in that：Welded in step 2)
The weldment wiring point of seam (31) both sides is electrically connected with the positive terminal (12) of DC welder (1) by wire, and wire
Length and diameter all same.
3. overcome method of the magnetic field to arc magnetic blow as claimed in claim 1, it is characterised in that：The institute in step 2)
State weldment wiring point and be more than or equal to 100mm with the distance between the end face of weld seam (31) one end d2.
4. overcome method of the magnetic field to arc magnetic blow as claimed in claim 1, it is characterised in that：In step 4) middle cover
Comprised the following steps that in surface layer current interruption operation welding process using what zigzag manipulation of electrode was welded：
Behind welding rod (4) shorted contacts molten bath, when the center of welding rod (4) upper contact is tiltedly swung at bevelled edge 2mm, immediately again
Tiltedly swing at the 2mm away from groove other edge, then laterally return to arc extinguishing among molten bath.
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| CN201610948909.9A CN106312252B (en) | 2016-10-25 | 2016-10-25 | Overcome method of the magnetic field to arc magnetic blow |
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| CN201610948909.9A CN106312252B (en) | 2016-10-25 | 2016-10-25 | Overcome method of the magnetic field to arc magnetic blow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106270927A (en) * | 2016-08-24 | 2017-01-04 | 中国华冶科工集团有限公司 | Method for welding pipeline |
| CN108994427B (en) * | 2018-09-11 | 2021-03-09 | 江苏海事职业技术学院 | Direct current welding arc magnetic blow control method utilizing external magnetic field expansion device |
| CN114505561A (en) * | 2022-02-24 | 2022-05-17 | 华智焊测高科(苏州)有限公司 | Method and device for correcting electric arc piercing welding magnetic blow by external magnetic field |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431079A (en) * | 2003-01-21 | 2003-07-23 | 渤海船舶重工有限责任公司 | Technique for eliminating magnetic blow of electric arc of austenitic electrode by using permanent magnet |
| CN102922085A (en) * | 2012-11-21 | 2013-02-13 | 中国能源建设集团天津电力建设公司 | Manual arc welding bottoming layer Z-shaped arc extinction method and application thereof in Q460 high-strength steel horizontally-fixed steel pipe butt welding |
| CN104325212A (en) * | 2014-10-22 | 2015-02-04 | 武汉凯奇特种焊接设备有限责任公司 | Magnetic blow eliminating device for argon arc welding machine |
-
2016
- 2016-10-25 CN CN201610948909.9A patent/CN106312252B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431079A (en) * | 2003-01-21 | 2003-07-23 | 渤海船舶重工有限责任公司 | Technique for eliminating magnetic blow of electric arc of austenitic electrode by using permanent magnet |
| CN102922085A (en) * | 2012-11-21 | 2013-02-13 | 中国能源建设集团天津电力建设公司 | Manual arc welding bottoming layer Z-shaped arc extinction method and application thereof in Q460 high-strength steel horizontally-fixed steel pipe butt welding |
| CN104325212A (en) * | 2014-10-22 | 2015-02-04 | 武汉凯奇特种焊接设备有限责任公司 | Magnetic blow eliminating device for argon arc welding machine |
Non-Patent Citations (1)
| Title |
|---|
| 克服和消除磁偏吹对焊接电弧的影响;朱永国;《石油化工建设》;20070630;第29卷(第3期);第42-43页 * |
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