CN109202292A - Laser+plasma arc+TIG arc combines welding method - Google Patents
Laser+plasma arc+TIG arc combines welding method Download PDFInfo
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- CN109202292A CN109202292A CN201811361922.XA CN201811361922A CN109202292A CN 109202292 A CN109202292 A CN 109202292A CN 201811361922 A CN201811361922 A CN 201811361922A CN 109202292 A CN109202292 A CN 109202292A
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- welding
- arc
- plasma arc
- tig
- plasma
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- 238000003466 welding Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000010891 electric arc Methods 0.000 claims abstract description 31
- 230000035515 penetration Effects 0.000 claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 101100510615 Caenorhabditis elegans lag-2 gene Proteins 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000649 photocoagulation Effects 0.000 description 1
- 230000003019 stabilising 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/346—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
- B23K26/348—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of laser+plasma arc+TIG arc joint welding method.In stainless steel when plate sheet welding, under the conditions of being not filled with wlding, through the PLASMA ARC WELDING mode frequently with square groove docking form, this welding manner speed of welding is slow, and back side penetration is not sufficiently stable, and the plate thickness that can be welded also is restricted.Its composition of the present invention includes laser beam (1), plasma arc (2), TIG electric arc (3), is docked using united welding manner to thin plate square groove in stainless steel, three's movement velocity is identical when welding, and relative position does not change；The laser beam is in preceding, described plasma arc in centre, and the TIG electric arc is rear；Laser beam described in welding process and the plasma arc act on the same molten bath, it is therefore an objective to guarantee the good penetration in the connector back side while improving speed of welding；TIG electric arc obtains shaping beautiful weld seam rear while guaranteeing weld seam degree of purity.The present invention combines welding method for laser+plasma arc+TIG arc.
Description
Technical field:
The present invention relates to plasma arc welding methods, and in particular to a kind of laser+plasma arc+TIG arc joint welding method.
Background technique:
In stainless steel when plate sheet welding, under the conditions of being not filled with wlding, through the plasma arc frequently with square groove docking form
Welding manner, this welding manner speed of welding is slow, and back side penetration is not sufficiently stable, and the plate thickness that can be welded also is restricted.In order to
It solves the problems, such as this, can not meet requirement by improving plasma arc energy merely, laser welding has penetration capacity strong, laser
Equal outstanding advantages, TIG electric arc have power dissipation, even heat, the high feature of weld seam degree of purity, laser beam to beam stabilising arc ability by force
+ plasma arc+TIG electric arc triple combination, not only can guarantee the arc stability and penetrability when high-speed welding, but also can be shaped
Beautiful weld seam, moreover it is possible to thick plates ability is improved, becomes the ideal chose for solving this problem, a kind of laser+plasma arc+
TIG arc joint welding method is come into being.
Summary of the invention:
The object of the present invention is to provide a kind of laser+plasma arc+TIG arcs to combine welding method, thin in stainless steel to solve
When plate welds, under the conditions of being not filled with wlding, form PLASMA ARC WELDING mode is docked using square groove, speed of welding is slow,
Back side penetration is not sufficiently stable, the plate thickness that can be welded also restricted problem, and then provides a kind of laser+plasma arc+TIG arc
Joint welding method.
Above-mentioned purpose is realized by following technical scheme:
A kind of laser+plasma arc+TIG arc combines welding method, its composition of the method include laser beam, plasma arc,
TIG electric arc docks thin plate square groove in stainless steel using united welding manner, three's movement velocity phase when welding
Together, relative position does not change；
Specific step is as follows: being location arrangements first, the laser beam guarantees weld seam by good penetration capacity preceding
The good penetration in the back side, the plasma arc is in centre, and the TIG electric arc is rear；Laser beam described in welding process with
The plasma arc acts on the same molten bath, is responsible for providing enough heat melts metals, the plasma that laser welding is formed
Body has the characteristic of stabilized plasma arc, so that speed of welding greatly improves, guarantees the connector back side while improving speed of welding
Good penetration；TIG electric arc provides heat, slows down molten bath cooling time, shaped while guaranteeing weld seam degree of purity rear
Beautiful weld seam；
The wherein selection of the energy size of laser beam, the abundant penetration of stabilized plasma arc and connector when should meet high-speed welding；
Plasma arc energy guarantees weld metal fusing sufficiently, meets weld reinforcement requirement to provide enough amount of metal；TIG electric arc should expire
Foot obtains shaping beautiful weld seam while guaranteeing weld seam degree of purity；
Welding is along welding direction of advance, and laser beam is preceding, and plasma arc is in centre, and TIG electric arc is in rear, laser beam, plasma
Arc welding torch and TIG welding gun three are 90 ° along welding direction or so angle in the same plane, and laser beam and direction of advance are pressed from both sides
Angle is 60 °~90 °, and plasma (welding) torch and direction of advance angle are 110 °~130 °, and TIG electric arc is with direction of advance angle
90 °~110 °, welded blank surface, distance is 2~5mm between laser beam and plasma arc, between plasma arc and TIG welding gun
Distance is 5~15mm；In welding process, laser beam, plasma arc, TIG electric arc three are automatic start-stop control, wherein are swashed
Light beam and plasma arc start and stop simultaneously, the start and stop of TIG electric arc lag 2~3 seconds.
The laser+plasma arc+TIG arc combines welding method, and the laser power is 5-30kW, plasma arc
Electric current is 150~400A, and TIG arc current is 100~300A, and gauge of sheet is 4mm-30mm in the stainless steel.
The utility model has the advantages that
1. present invention employs laser+plasma arc+TIG arcs to combine welding method, speed of welding is improved than PLASMA ARC WELDING
2-3 times, back side penetration stability improves, and welding process is stablized, and appearance of weld is beautiful, and the plate thickness that can be welded increases, and realizes
The high speed of stainless steel materials stablizes welding.
Laser of the present invention+plasma arc+TIG arc joint welding method is made of laser beam, plasma arc and TIG electric arc,
The same speed of three, relative position do not change when welding, and laser beam guarantees weld seam by good penetration capacity preceding
The good penetration in the back side, plasma arc form a molten bath in centre, with laser beam, are responsible for providing enough heat melts metals, swash
The plasma that photocoagulation is formed has the characteristic of stabilized plasma arc, so that speed of welding greatly improves, welding process is stablized,
Since speed of welding greatly improves, molten bath is short there are the time, and weld metal causes appearance of weld bad to centre aggregation, is
This increases TIG electric arc behind plasma arc, provides heat, slows down molten bath cooling time, while guaranteeing weld seam degree of purity
It obtains shaping beautiful weld seam.
Detailed description of the invention:
Attached drawing 1 is the working principle of the invention structural schematic diagram.
Specific embodiment:
Embodiment 1:
A kind of laser+plasma arc+TIG arc joint welding method, its composition of the method includes laser beam 1, plasma arc
2, TIG electric arc 3 docks thin plate square groove in stainless steel using united welding manner, and three moves speed when welding
Spend identical, relative position does not change；
Specific step is as follows: being location arrangements first, the laser beam guarantees weld seam by good penetration capacity preceding
The good penetration in the back side, the plasma arc is in centre, and the TIG electric arc is rear；Laser beam described in welding process with
The plasma arc acts on the same molten bath, is responsible for providing enough heat melts metals, the plasma that laser welding is formed
Body has the characteristic of stabilized plasma arc, so that speed of welding greatly improves, guarantees the connector back side while improving speed of welding
Good penetration；TIG electric arc provides heat, slows down molten bath cooling time, shaped while guaranteeing weld seam degree of purity rear
Beautiful weld seam；
The wherein selection of the energy size of laser beam, the abundant penetration of stabilized plasma arc and connector when should meet high-speed welding；
Plasma arc energy guarantees weld metal fusing sufficiently, meets weld reinforcement requirement to provide enough amount of metal；TIG electric arc should expire
Foot obtains shaping beautiful weld seam while guaranteeing weld seam degree of purity；
Welding is along welding direction of advance, and laser beam is preceding, and plasma arc is in centre, and TIG electric arc is in rear, laser beam, plasma
Arc welding torch and TIG welding gun three are 90 ° along welding direction or so angle in the same plane, and laser beam and direction of advance are pressed from both sides
Angle is 60 °~90 °, and plasma (welding) torch and direction of advance angle are 110 °~130 °, and TIG electric arc is with direction of advance angle
90 °~110 °, welded blank surface, distance is 2~5mm between laser beam and plasma arc, between plasma arc and TIG welding gun
Distance is 5~15mm；In welding process, laser beam, plasma arc, TIG electric arc three are automatic start-stop control, wherein are swashed
Light beam and plasma arc start and stop simultaneously, the start and stop of TIG electric arc lag 2~3 seconds.
Embodiment 2:
Combine welding method according to laser described in embodiment 1+plasma arc+TIG arc, the laser power is 5-30kW,
Arc-plasma current is 150~400A, and TIG arc current is 100~300A, and gauge of sheet is in the stainless steel
4mm-30mm。
Claims (2)
1. a kind of laser+plasma arc+TIG arc combines welding method, it is characterized in that: its composition of the method includes laser
Beam, plasma arc, TIG electric arc dock thin plate square groove in stainless steel using united welding manner, three when welding
Person's movement velocity is identical, and relative position does not change；
Specific step is as follows: being location arrangements first, the laser beam guarantees weld seam by good penetration capacity preceding
The good penetration in the back side, the plasma arc is in centre, and the TIG electric arc is rear；Laser beam described in welding process with
The plasma arc acts on the same molten bath, is responsible for providing enough heat melts metals, the plasma that laser welding is formed
Body has the characteristic of stabilized plasma arc, so that speed of welding greatly improves, guarantees the connector back side while improving speed of welding
Good penetration；TIG electric arc provides heat, slows down molten bath cooling time, shaped while guaranteeing weld seam degree of purity rear
Beautiful weld seam；
The wherein selection of the energy size of laser beam, the abundant penetration of stabilized plasma arc and connector when should meet high-speed welding；
Plasma arc energy guarantees weld metal fusing sufficiently, meets weld reinforcement requirement to provide enough amount of metal；TIG electric arc should expire
Foot obtains shaping beautiful weld seam while guaranteeing weld seam degree of purity；
Welding is along welding direction of advance, and laser beam is preceding, and plasma arc is in centre, and TIG electric arc is in rear, laser beam, plasma
Arc welding torch and TIG welding gun three are 90 ° along welding direction or so angle in the same plane, and laser beam and direction of advance are pressed from both sides
Angle is 60 °~90 °, and plasma (welding) torch and direction of advance angle are 110 °~130 °, and TIG electric arc is with direction of advance angle
90 °~110 °, welded blank surface, distance is 2~5mm between laser beam and plasma arc, between plasma arc and TIG welding gun
Distance is 5~15mm；In welding process, laser beam, plasma arc, TIG electric arc three are automatic start-stop control, wherein are swashed
Light beam and plasma arc start and stop simultaneously, the start and stop of TIG electric arc lag 2~3 seconds.
2. laser according to claim 1+plasma arc+TIG arc combines welding method, it is characterized in that: the laser
Power is 5-30kW, and arc-plasma current is 150~400A, and TIG arc current is 100~300A, thin in the stainless steel
Plate with a thickness of 4mm-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811361922.XA CN109202292B (en) | 2018-11-15 | 2018-11-15 | Laser + plasma arc + TIG arc combined welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811361922.XA CN109202292B (en) | 2018-11-15 | 2018-11-15 | Laser + plasma arc + TIG arc combined welding method |
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| Publication Number | Publication Date |
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| CN109202292A true CN109202292A (en) | 2019-01-15 |
| CN109202292B CN109202292B (en) | 2020-08-11 |
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| CN201811361922.XA Expired - Fee Related CN109202292B (en) | 2018-11-15 | 2018-11-15 | Laser + plasma arc + TIG arc combined welding method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230306A (en) * | 2020-02-17 | 2020-06-05 | 西安交通大学 | F/A ratio synchronous regulation and control method for bimetal penetrating laser welding complex layer tissue |
| CN115283870A (en) * | 2022-09-14 | 2022-11-04 | 西安优弧智熔增材制造有限公司 | Composite heat source additive manufacturing method and device |
| CN115781025A (en) * | 2022-12-08 | 2023-03-14 | 成都智见复合科技有限公司 | Method and device for three-heat-source composite welding |
| CN117564476A (en) * | 2024-01-17 | 2024-02-20 | 深圳市铭镭激光设备有限公司 | Laser-arc composite welding equipment and welding method |
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| JPH10272578A (en) * | 1997-03-28 | 1998-10-13 | Nippon Steel Corp | Pulse laser guided arc welding method |
| CN101474727A (en) * | 2009-01-16 | 2009-07-08 | 北京工业大学 | Laser-arc hybrid welding method of light sheet T type joint |
| CN101992354A (en) * | 2009-08-14 | 2011-03-30 | 南车青岛四方机车车辆股份有限公司 | Micro-beam plasma arc/laser hybrid welding method |
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| CN104400226A (en) * | 2014-11-24 | 2015-03-11 | 哈尔滨工业大学 | Double-sided laser-TIG (Tungsten Inert Gas) electric arc compound welding method |
| CN104708204A (en) * | 2015-03-30 | 2015-06-17 | 大连理工大学 | Laser-electric arc compound welding gun |
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- 2018-11-15 CN CN201811361922.XA patent/CN109202292B/en not_active Expired - Fee Related
Patent Citations (7)
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| JPH10272578A (en) * | 1997-03-28 | 1998-10-13 | Nippon Steel Corp | Pulse laser guided arc welding method |
| CN101474727A (en) * | 2009-01-16 | 2009-07-08 | 北京工业大学 | Laser-arc hybrid welding method of light sheet T type joint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230306A (en) * | 2020-02-17 | 2020-06-05 | 西安交通大学 | F/A ratio synchronous regulation and control method for bimetal penetrating laser welding complex layer tissue |
| CN111230306B (en) * | 2020-02-17 | 2021-07-13 | 西安交通大学 | F/A ratio synchronous regulation and control method for bimetal penetrating laser welding complex layer tissue |
| CN115283870A (en) * | 2022-09-14 | 2022-11-04 | 西安优弧智熔增材制造有限公司 | Composite heat source additive manufacturing method and device |
| CN115283870B (en) * | 2022-09-14 | 2024-02-02 | 西安优弧智熔增材制造有限公司 | Composite heat source additive manufacturing method and device |
| CN115781025A (en) * | 2022-12-08 | 2023-03-14 | 成都智见复合科技有限公司 | Method and device for three-heat-source composite welding |
| CN115781025B (en) * | 2022-12-08 | 2024-04-16 | 陈耕耘 | Method and device for three-heat source composite welding |
| CN117564476A (en) * | 2024-01-17 | 2024-02-20 | 深圳市铭镭激光设备有限公司 | Laser-arc composite welding equipment and welding method |
| CN117564476B (en) * | 2024-01-17 | 2024-04-26 | 深圳市铭镭激光设备有限公司 | Laser-arc composite welding equipment and welding method |
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| CN109202292B (en) | 2020-08-11 |
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Granted publication date: 20200811 |