CN106312252A - Method for overcoming magnetic deflective blow of magnetic fields on welding electric arc - Google Patents
Method for overcoming magnetic deflective blow of magnetic fields on welding electric arc Download PDFInfo
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- CN106312252A CN106312252A CN201610948909.9A CN201610948909A CN106312252A CN 106312252 A CN106312252 A CN 106312252A CN 201610948909 A CN201610948909 A CN 201610948909A CN 106312252 A CN106312252 A CN 106312252A
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- 238000003466 welding Methods 0.000 title claims abstract description 148
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000010891 electric arc Methods 0.000 title claims abstract description 31
- 229920002678 cellulose Polymers 0.000 claims abstract description 9
- 239000001913 cellulose Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 25
- 239000011324 bead Substances 0.000 claims description 17
- 241000251468 Actinopterygii Species 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 238000005476 soldering Methods 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 230000003313 weakening effect Effects 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
- B23K9/08—Arrangements or circuits for magnetic control of the arc
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- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
本发明公开了一种能够防止电弧产生磁偏吹的克服磁场对焊接电弧磁偏吹的方法。其属于磁场中焊接生产技术领域，该克服磁场对焊接电弧磁偏吹的方法，包括以下步骤：1)选择含有纤维素药皮的焊条；采用空载电压大于70V以及具有推力功能的直流焊机；2)在被焊接件焊缝的两侧设置与直流焊机的正极接线端连接的焊件接线点，将焊钳与直流焊机的负极连接；3)将推力电流选择为直流焊机推力电流范围的上限值；4)焊接电弧短路接触，断弧焊操作运条；断弧焊操作频率控制在40～50次/min。采用该克服磁场对焊接电弧磁偏吹的方法能够克服化工行业的电解槽及周围产生的磁场对焊接电弧的作用和影响，减弱焊接电弧的磁偏吹现象，保证焊接顺利进行。
The invention discloses a method for overcoming magnetic field to welding arc magnetic blow which can prevent electric arc from generating magnetic blow. It belongs to the technical field of welding production in a magnetic field. The method for overcoming the magnetic deflection of a welding arc by a magnetic field comprises the following steps: 1) selecting an electrode containing a cellulose coating; adopting a DC welding machine with a no-load voltage greater than 70V and a thrust function ; 2) On both sides of the welding seam of the workpiece to be welded, a weldment connection point connected to the positive terminal of the DC welding machine is set, and the welding tongs are connected to the negative pole of the DC welding machine; 3) The thrust current is selected as the thrust of the DC welding machine The upper limit of the current range; 4) The welding arc is short-circuited, and the arc-breaking welding operation is operated; the operating frequency of the arc-breaking welding is controlled at 40-50 times/min. The method for overcoming the magnetic deflection of the welding arc by the magnetic field can overcome the effect and influence of the electrolytic cell and the surrounding magnetic field in the chemical industry on the welding arc, weaken the magnetic deflection of the welding arc, and ensure smooth welding.
Description
Technical field
The present invention relates to welding production technical field, especially one in the electrolysis bath of chemical industry equipment and surrounding magnetic field overcome
The magnetic field method to arc magnetic blow.
Background technology
Known, existing solder technology is welded under magnetic field environment, the following solder technology of general employing:
1, general employing alternating current welding, because the magnetic field of change produces faradic current in the conductor, and faradic current produces
Field weakening magnetic field caused by welding current, thus control certain arc blow.
2, generally for preventing the measure of arc blow mainly: 1. reduce the remanent magnetism on weldment, local on weldment is utilized
The method of heating, can reduce the remanent magnetism around weld seam to reduce the arc blow of electric arc；2. by anti-demagnetization method, allow and produce phase on weldment
Counter magnetic field offsets the remanent magnetism on weldment, thus overcomes and eliminate the arc blow impact etc. on welding arc.
In research at home and abroad, have many about the measure taked during welding in magnetic field environment and method, but all
More complicated or dumb convenience, puts into practice through Site Welding, and effect is undesirable.Produce in the magnesium electrolysis workshop of titanium sponge, because of electricity
Current intensity in solution groove production process, up to 180KA, produces bigger electromagnetic field at electrolysis bath and energising bus surrounding, and
Distance between multiple electrolysis baths and between energising bus is the most closer, and mutual magnetic field can superposition, again formation electrolysis bath and mother
Around line, the size and Orientation of the magnetic field intensity of each point is the most uneven, after testing magnetic field intensity maximum reach 300 (G) Gauss with
On.These magnetic fields there will be certain arc blow, thus produces serious to welding material during arc welding and electric arc droplet transfer
Impact, conventional arc welding method cannot be carried out welding, to carrying out in workshop safeguarding, overhauls welding and brings difficulty.
Summary of the invention
The technical problem to be solved is to provide and a kind of can reduce the magnetic field impact on welding arc, it is therefore prevented that
Electric arc produces arc blow, meets and has in the environment in magnetic field what the Site Welding to magnetic metal material operated application to overcome magnetic field pair
The method of arc magnetic blow.
The technical solution adopted for the present invention to solve the technical problems is: overcome the side to arc magnetic blow, the magnetic field
Method, comprises the following steps:
1) welding rod containing cellulose coating is selected；Floating voltage is used to be more than 70V and have the direct current of thrust function
Welding machine；
2) on welded part, the both sides of weld seam one end are respectively provided with welding machine wiring point；And make the welding wiring of weld seam both sides
Point is symmetrical about the centrage of weld seam；Distance d1 between described weldment wiring point and weld seam is 200～300mm；Pass through wire
Weldment wiring point is electrically connected with the positive terminal of direct current generator；Soldering turret is connected with the negative terminals of DC welder；
3) push current is set to the higher limit of DC welder push current scope；
4) by upper for soldering turret folder welding rod welding arc shorted contacts, current interruption weldering operation arc manipulation；Current interruption weldering operation frequency controls
40～50 times/min；
During back cover layer current interruption operation, flap weldering, every, the welding bead molten bath of formation fish scale weld tabs is used to use zigzag arc manipulation
Method is welded, and first by welding rod point at the root of weld seam, forces down after electric arc does and slightly swing once diagonally forward, returns in weld seam
Between arc extinguishing；After envelope backing weld completes, weld seam forms bottom welding bead；
When packed layer, capping layer current interruption operation, flap weldering, every, the welding bead molten bath of formation fish scale weld tabs is all used to use
Zigzag manipulation of electrode welds, and ignite electric arc in centre position, molten bath, retreads before being flapped toward in the shorted contacts molten bath, center of welding rod upper contact
After swinging once, the most laterally return to arc extinguishing in the middle of molten bath.
Further, in step 2) in weld seam both sides welding wiring point all positive terminals with DC welder pass through wire
Electrical connection, and the length of wire is the most identical with diameter.
Further, in step 2) described in distance d2 welded between wiring point and the end face of weld seam one end should be not less than
100mm。
Further, in step 4) middle cover surface layer current interruption operation welding process use zigzag manipulation of electrode to carry out welding
Specifically comprise the following steps that
Behind welding rod shorted contacts molten bath, when the center of welding rod upper contact tiltedly swings at distance bevelled edge 2mm, the most oblique
Swing at the 2mm away from groove other edge, the most laterally return to arc extinguishing in the middle of molten bath.
The invention has the beneficial effects as follows: of the present invention overcome magnetic field to the method for arc magnetic blow in step 1)
Middle employing cellulose covered electrode, owing to the gas blowing force of cellulose covered electrode welding arc is big, longitudinal transition power of electric arc
Relatively big, certain electromagnetic force role and influence to the electric arc droplet transfer can be overcome；Then in step 2) in by being welded
On fitting, the both sides of weld seam arrange the weldment wiring point being connected with the positive terminal of DC welder, so that weld seam both sides
The electric current produced in welding process is more uniform；So that welding current produces more uniform magnetic field around weld seam, it is to avoid
Magnetic field produces interference to welding arc；In step 3) in the push current of DC welder is chosen for maximum, thus increase
Welding arc help blowing force；Finally, in step 4) in take welding arc shorted contacts, current interruption weldering operation arc manipulation；Current interruption weldering behaviour
Working frequency controls at 40～50 times/min；When back cover layer, packed layer, capping layer current interruption operation, all use flap weldering, formation
Every, welding bead molten bath uses the welding manner of zigzag manipulation of electrode such that it is able to when reducing magnetic field to the effect of electric arc droplet transfer
Between, effectively further reduce the magnetic field impact on welding arc, prevent electric arc from producing arc blow, and welding pool size is easy
Controlling, the tow sides of weld seam shape good.And the electrolysis bath that chemical industry can be overcome and the magnetic field butt welding around produced
Connect the role and influence of electric arc, weaken the arc blow phenomenon of welding arc, it is ensured that welding is smoothed out.
Accompanying drawing explanation
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；
Figure indicates: 1-DC welder, 11-negative terminals, 12-positive terminal, 2-soldering turret, 3-welded part, 31-
Weld seam, 4-welding rod, 5-fish scale weld tabs, 6-bottom welding bead.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 5, wherein, of the present invention the magnetic field method to arc magnetic blow is overcome, including following step
Rapid:
1) welding rod 4 containing cellulose coating is selected；Floating voltage is used to be more than 70V and have the direct current of thrust function
Welding machine 1；
2) on welded part 3, the both sides of weld seam 31 one end are respectively provided with weldment wiring point；And make the weldering of weld seam 31 both sides
Connect wiring point symmetrical about the centrage of weld seam 31；Distance d1 between described weldment wiring point and weld seam is 200～300mm；
By wire, weldment wiring point is electrically connected with the positive terminal 12 of direct current generator；The negative pole of soldering turret 2 with DC welder 1 is connect
Line end 11 connects；
3) push current is set to the higher limit of DC welder 1 push current scope；
4) upper welding rod 4 welding arc shorted contacts will be pressed from both sides on soldering turret 2, current interruption weldering operation arc manipulation；Current interruption weldering operation frequency control
System is at 40～50 times/min；
During back cover layer current interruption operation, using flap weldering, every, the welding bead molten bath of formation fish scale weld tabs 5 uses zigzag to transport
Bar method is welded, and first by 4 roots at weld seam of welding rod, forces down after electric arc does and slightly swing once diagonally forward, returns to weldering
Arc extinguishing in the middle of seam；After envelope backing weld completes, weld seam forms bottom welding bead 6；
When packed layer, capping layer current interruption operation, all using flap weldering, every, the welding bead molten bath of formation fish scale weld tabs 5 is adopted
Welding with zigzag manipulation of electrode, ignite electric arc in centre position, molten bath, and retread pendulum in the shorted contacts molten bath, center of welding rod 4 upper contact
After swinging once forward, the most laterally return to arc extinguishing in the middle of molten bath.
In step 1) in select can strengthen the blowing force of welding arc containing the welding rod 4 of cellulose coating.Use unloaded electricity
Pressure is more than 70V and has the DC welder 1 of thrust function；Such that it is able to improve striking performance and the stability of arc burning,
When preventing electric arc short circuiting transfer, adhesion welding rod phenomenon occurs.
In step 2) on welded part 3 both sides of weld seam 31 one end be respectively provided with weldment wiring point；And make weld seam 31
The weldment wiring point of both sides is symmetrical about the centrage of weld seam 31；Distance d1 between described weldment wiring point and weld seam is 200
～300mm；By wire, weldment wiring point is electrically connected with the positive terminal 12 of direct current generator；By soldering turret 2 and DC welder
(1) negative terminals 11 connects.
The weldment wiring point symmetrical by arranging the centrage about weld seam 31 on welded part 3；Described weldment wiring
Distance d1 between point and weld seam is 200～300mm；Described weldment wiring point is electrically connected with the positive terminal 12 of DC welder 1
Connect.So that welded part 3 is connected with the positive electrical of DC welder 1, therefore, it is possible to strengthen the deflection of welding arc and upright and outspoken
Property.
Simultaneously because distance d1 between weldment wiring point and the weld seam of weld seam 31 both sides is 200 on described welded part 3
～300mm；So that the Distribution of Magnetic Field produced by electric current around weld seam 31 is more uniform, reduce further because of welding electricity
The impact on arc magnetic blow of the magnetic field of miscarriage life.
Welded part 3 arranges the wiring point on the weldment that the centrage about weld seam 31 is symmetrical；Enable in weldering
When connecing, weld seam 31 both sides weldment 3 is essentially identical by welding current size, and the magnetic field produced is symmetrical more uniform.
In step 3) in, push current is set to the higher limit of DC welder 1 push current scope；Select bigger pushing away
Power electric current such that it is able to increase welding arc help blowing force.
In step 4) in, upper welding rod 4 welding arc shorted contacts, current interruption weldering operation arc manipulation will be pressed from both sides on soldering turret 2；Current interruption weldering behaviour
Working frequency controls at 40～50 times/min；
Concrete, during back cover layer current interruption operation, using flap weldering, every, the welding bead molten bath of formation fish scale weld tabs 5 uses Z
Font manipulation of electrode welds, and first by 4 roots at weld seam of welding rod, forces down after electric arc does and slightly swing once diagonally forward,
Return to arc extinguishing in the middle of weld seam；After envelope backing weld completes, weld seam forms bottom welding bead 6；
When packed layer, capping layer current interruption operation, all using flap weldering, every, the welding bead molten bath of formation fish scale weld tabs 5 is adopted
Welding with zigzag manipulation of electrode, ignite electric arc in centre position, molten bath, and retread pendulum in the shorted contacts molten bath, center of welding rod 4 upper contact
After swinging once forward, the most laterally return to arc extinguishing in the middle of molten bath.
If Fig. 1 is to shown in 5, when welding packed layer, when welding every weld tabs 5, all carry out a starting the arc and receive arc, as
Shown in Fig. 4, welding schematic diagram for longitudinal measure arc manipulation monolithic molten bath weld tabs 5, arcing point is C point, receive acnode be D point, from C point to
D point uses zigzag manipulation of electrode.
As it is shown in figure 5, transverse weld arc manipulation monolithic fish scale weld tabs 5 welds schematic diagram, arcing point is E point, and receipts acnode is F
Point, uses zigzag manipulation of electrode from E point to F point.
Use in step 4 above-mentioned welding method due in operating process welding arc low, electric arc is at molten bath pivot
Amplitude is little and uses flap to weld, and every a piece of fish scale weld tabs 5 carries out a starting the arc and receives arc, so that the time of staying
Short, decrease magnetic field to the action time during electric arc droplet transfer, the magnetic field impact on welding arc can be efficiently reduced, prevent
Arc blow, and welding pool system easy to control in size, tow sides shape good.
In sum, of the present invention overcome magnetic field to the method for arc magnetic blow in step 1) in use fiber
The welding rod 4 of element coating, owing to the gas blowing force of cellulose covered electrode welding arc is big, longitudinal transition power of electric arc is relatively big, can
To overcome certain electromagnetic force role and influence to the electric arc droplet transfer；Then in step 2) in by welded part 3,
The both sides of weld seam 31 arrange the weldment wiring point being connected with the positive terminal of DC welder 1, so that weld seam 31 both sides exist
The electric current passed through in welding process is more uniform；So that welding current produces more uniform magnetic field around weld seam, it is to avoid magnetic
Field produces interference to welding arc；In step 3) in the push current of DC welder is chosen for maximum, thus the biggest weldering
Connect electric arc helps blowing force；Finally, in step 4) in take welding arc shorted contacts, current interruption weldering operation arc manipulation；Current interruption weldering operation
FREQUENCY CONTROL is at 40～50 times/min；When back cover layer, packed layer, capping layer current interruption operation, all use flap weldering, the weldering of formation
Every, molten bath, road fish scale weld tabs uses the welding manner of zigzag manipulation of electrode, thus reduces the magnetic field effect to the electric arc droplet transfer
Time, effectively further reduce the magnetic field impact on welding arc, prevent electric arc from producing arc blow, and welding pool size is held
Easy to control, the tow sides of weld seam shape good.And the electrolysis bath that chemical industry can be overcome and the magnetic field pair around produced
The role and influence of welding arc, weaken the arc blow phenomenon of welding arc, it is ensured that welding is smoothed out.
So that the welding current size that weld seam 31 both sides are passed through is essentially identical；Further, in step 2) in weld seam
(31) weldment wiring point in both sides is all electrically connected by wire with the positive terminal 12 of DC welder 1, and the length of wire is with straight
Footpath is the most identical.
So that the magnetic field that welding current produces can be distributed about more uniform at weld seam 31, further, in step
2) distance d2 between the end face of weldment wiring point described in and weld seam 31 one end is more than or equal to 100mm.
In order to ensure the welding quality of weld seam 31, further, in step 4) middle cover surface layer current interruption operation welding process in
Use what zigzag manipulation of electrode carried out welding to specifically comprise the following steps that
Behind welding rod 4 shorted contacts molten bath, when the center of welding rod 4 upper contact tiltedly swings at distance bevelled edge 2mm, the most again
Tiltedly swing at the 2mm away from groove other edge, the most laterally return to arc extinguishing in the middle of molten bath.Owing to capping layer is positioned at the table of weld seam
Layer, capping layer needs to form preferable transition with weldment, therefore uses above-mentioned welding method, it is possible to make quality of weld seam molding
Good；The center avoiding welding rod 4 is too near to bevelled edge and makes the edge of groove at high temperature melt too much, produces undercut defect.
Embodiment 1
Use and of the present invention overcome the magnetic field method to arc magnetic blow, to carrying out magnetic in magnetic field environment
The arc welding of material；It is embodied as step and comprises the following steps:
1, the welding rod 4 containing cellulose coating is selected；Floating voltage is used to be more than 70V and have the direct current of thrust function
Welding machine 1.
2, on welded part 3, the both sides of weld seam 31 one end are respectively provided with welding machine wiring point；And make the weldering of weld seam 31 both sides
Part wiring point is symmetrical about the centrage of weld seam 31；Distance d1 between described weldment wiring point and weld seam is 200～300mm；
By wire, welding wiring point is connected with the positive terminal 12 of direct current generator；Negative terminal by soldering turret 2 with DC welder 1
End 11 connection.
3, push current is set to the higher limit of DC welder 1 push current scope.
4) soldering turret 2 is pressed from both sides upper welding rod 4, welding arc shorted contacts, current interruption weldering operation arc manipulation；Current interruption weldering operation frequency controls
At 40～50 times/min；
During back cover layer current interruption operation, using flap weldering, every, the welding bead molten bath of formation fish scale weld tabs 5 uses zigzag to transport
Bar method is welded, and first by 4 roots at weld seam of welding rod, forces down after electric arc does and slightly swing once diagonally forward, returns to weldering
Arc extinguishing in the middle of seam；After envelope backing weld completes, weld seam forms bottom welding bead 6；
When packed layer, capping layer current interruption operation, all using flap weldering, every, the welding bead molten bath of formation fish scale weld tabs 5 is adopted
Welding with zigzag manipulation of electrode, ignite electric arc in centre position, molten bath, retreads and be flapped toward front left and right in shorted contacts molten bath, welding rod 4 center
After swinging once, the most laterally return to arc extinguishing in the middle of molten bath.
Embodiment 2, embodiment 3, comparative example 1 and comparative example 2 all use the method in embodiment 1, change direct current therein
Welding machine floating voltage and current interruption weldering operation frequency, the concrete parameter changed and the technique effect of correspondence, be shown in Table 1；
Table 1
Note: magnetic blow-out refers to the phenomenon of electric arc deviation welding rod axis partially；Typically verify when test weld.Because cannot measure
The distance of electric arc deviation welding rod axis, the most typically observes by the naked eye whether electric arc deviates welding rod axis, thus judges whether
Occur that magnetic blow-out is inclined.Success rate refers to weld the percentage ratio obtaining qualified products with whole welding products.
The arc manipulation method of welding operation in magnetic field environment the most of the present invention；When DC welder is unloaded
Voltage selects, when 70V and more than 70V and current interruption weldering operation frequency are 40～50 times/min, not have magnetic in welding process
Blow inclined phenomenon；Ensure that the normal weld under magnetic field environment.
Claims (4)
1. overcome the magnetic field method to arc magnetic blow, it is characterised in that comprise the following steps:
1) welding rod (4) containing cellulose coating is selected；Floating voltage is used to be more than 70V and have the direct current weldering of thrust function
Machine (1)；
2) both sides in upper weld seam (31) one end of welded part (3) are respectively provided with welding machine wiring point；And make weld seam (31) both sides
Weldment wiring point is symmetrical about the centrage of weld seam (31)；Distance d1 between described weldment wiring point and weld seam be 200～
300mm；By wire, weldering weldment wiring point is connected with the positive terminal (12) of direct current generator；Soldering turret (2) is welded with direct current
The negative terminals (11) of machine (1) connects；
3) push current is set 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 operation frequency controls
At 40～50 times/min；
During back cover layer current interruption operation, flap weldering, every, the welding bead molten bath of formation fish scale weld tabs (5) is used to use zigzag arc manipulation
Method is welded, and first by welding rod (4) point at the root of weld seam, forces down after electric arc does and slightly swing once diagonally forward, returns to weld
Arc extinguishing in the middle of seam；After envelope backing weld completes, weld seam forms bottom welding bead (6)；
When packed layer, capping layer current interruption operation, flap weldering, every, the welding bead molten bath of formation fish scale weld tabs (5) is all used to use Z
Font manipulation of electrode welds, and ignite electric arc in centre position, molten bath, retreads and be flapped toward front left and right pendulum in shorted contacts molten bath, welding rod (4) center
After moving once, the most laterally return to arc extinguishing in the middle of molten bath.
Overcome the magnetic field method to arc magnetic blow the most as claimed in claim 1, it is characterised in that: in step 2) middle weldering
The welding wiring point of seam (31) both sides is all electrically connected by wire with the positive terminal (12) of DC welder (1), and wire
Length is the most identical with diameter.
Overcome the magnetic field method to arc magnetic blow the most as claimed in claim 1, it is characterised in that: in step 2) in institute
State distance d2 between the end face of weldment wiring point and weld seam (31) one end more than or equal to 100mm.
Overcome the magnetic field method to arc magnetic blow the most as claimed in claim 1, it is characterised in that: in step 4) middle cover
Surface layer current interruption operation welding process use what zigzag manipulation of electrode carried out welding specifically comprise the following steps that
Behind welding rod (1) shorted contacts molten bath, when the center of welding rod (4) upper contact tiltedly swings at distance bevelled edge 2mm, the most again
Tiltedly swing at the 2mm away from groove other edge, the most laterally return to arc extinguishing in the middle of 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270927A (en) * | 2016-08-24 | 2017-01-04 | 中国华冶科工集团有限公司 | Method for welding pipeline |
| CN108994427A (en) * | 2018-09-11 | 2018-12-14 | 江苏海事职业技术学院 | A kind of direct current weldering arc magnetic blow control method using externally-applied magnetic field expansion instrument |
| 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 (2)
| Title |
|---|
| 朱永国: "克服和消除磁偏吹对焊接电弧的影响", 《石油化工建设》 * |
| 陈裕川: "《焊条电弧焊》", 31 January 2013 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270927A (en) * | 2016-08-24 | 2017-01-04 | 中国华冶科工集团有限公司 | Method for welding pipeline |
| CN108994427A (en) * | 2018-09-11 | 2018-12-14 | 江苏海事职业技术学院 | A kind of direct current weldering arc magnetic blow control method using externally-applied magnetic field expansion instrument |
| 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 |
| CN114505561B (en) * | 2022-02-24 | 2024-06-04 | 华智焊测高科(苏州)有限公司 | Method and device for correcting magnetic bias blowing of arc through hole welding by using externally applied magnetic field |
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| CN106312252B (en) | 2018-03-20 |
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