CN1943959A - Laser-electric arc composite processing method - Google Patents
Laser-electric arc composite processing method Download PDFInfo
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- CN1943959A CN1943959A CN 200610048080 CN200610048080A CN1943959A CN 1943959 A CN1943959 A CN 1943959A CN 200610048080 CN200610048080 CN 200610048080 CN 200610048080 A CN200610048080 A CN 200610048080A CN 1943959 A CN1943959 A CN 1943959A
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- 238000010891 electric arc Methods 0.000 title claims abstract description 42
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000003672 processing method Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000008092 positive effect Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Arc Welding In General (AREA)
Abstract
The present invention is material processing composite heat source method, and has the technological scheme that during processing with composite laser-electric arc heat source, the output laser power pulse and the AC arc are controlled with the trigger signal of sync pulse for cooperative output, that is, the peak power of the laser pulse emerges always in the negative half wave region of the AC arc. The present invention includes coaxial or paraxial laser and arc; non-consumable electrode arc with gas protection, consumable electrode arc with gas protection or plasma arc; and solid YAG laser, CO2 laser or semiconductor laser. The present invention has positive effects of reduced laser energy consumption, the best utilization of laser energy, enhanced AC arc discharge in the negative half wave region, less influence of processing parameters and environment factors on the processing stability, raised arc stability, etc.
Description
Technical field
The invention belongs to field of material engineering technology, relate to a kind of material processing method, particularly a kind of composite heat power supply material processing method.
Background technology
When laser and arcing in common region, laser and electric arc exist and interact, and are the laser-electric arc composite heat source material processing method of normal theory.At present, laser-electric arc composite heat source research and application are to adopt continuous laser or pulse laser with electric arc is mutually compound continuously basically.Discover that according to us adopting laser and alternating current arc compound tense, both exist the matching relationship that an energy strengthens mutually, weakens.In the High-speed machining process, laser and electric arc interact, though electric arc can smooth combustion, local thermionic emission deficiency can occur, and electric arc can produce drift, swelling.There is absorption in the plasma of large power electric arc generation simultaneously and there is scattering process in light beam laser energy.And along with the increase of arc power, this effect strengthens gradually, thereby has weakened the action effect of laser greatly, causes the loss of energy resources.Aspect processing result, show as mainly that fusion penetration reduces, surface forming is discontinuous.And distance, electric arc arc length between composite welding process laser-impact application point and arcing center all can have influence on the composite heat power supply processing effect.
Summary of the invention
In order to solve the deficiency of existing laser-electric arc composite heat source processing method, the present invention proposes a kind of novel laser-electric arc composite heat source material processing method, it has solved existing laser-electric arc composite heat source process technology because a series of problems that local thermionic emission deficiency of electric arc and arc-plasma are caused the absorption and the beam divergence of laser energy.
The technical scheme that technical solution problem of the present invention is adopted is: a kind of laser-electric arc composite processing method, this method is, in the laser-electric arc compound processing course, under the control of synchronization pulse, laser pulse acts between the negative half-wave zone of alternating current arc all the time, wherein, arc current is 40A-500A, laser pulse peaks power 1-5KW, laser is coaxial or paraxonic with electric arc, base value power is 200W-1000W, and laser pulse frequency is 10-200Hz, the distance D between laser-impact point and the electric arc melting bath center
LABe 1 ~ 6mm, the angle α between laser beam 1 and the arc electrodes 2 is 15-45 °, and electrode 2 most advanced and sophisticated distance h to workpiece are 1-5mm.The electric arc type is TIG electric arc, MIG electric arc, MAG electric arc or plasma arc.Type of laser is YAG Solid State Laser bundle, CO
2Gas laser beam or diode laser bundle.The complex method of this method is: laser is coaxial or paraxonic with electric arc.
The invention has the beneficial effects as follows: 1), can reduce the loss of laser energy, guarantee making full use of of laser energy at low-power laser and large power electric arc compound tense.2) adopt pulse laser induced, strengthen between the negative half-wave zone of alternating current arc and discharge, can reduce the influence of machined parameters and environmental factor to processing stability.3) adopt the coordination between the negative half-wave zone of pulse laser and alternating current arc to control, can improve arc stability, improve the surface forming of machining area, increase fusion penetration 1-2 doubly.This new pattern laser-arc composite heat source technology can be utilized the energy of laser and electric arc to greatest extent, compares with existing laser-electric arc composite heat source process technology to have great advantage.No matter consider that from technological angle and economic angle very big commercial Application potentiality and development prospect are all arranged.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the coordination matching way figure that acts between laser pulse and alternating current arc half-wave zone in the specific embodiment of the present invention.
Fig. 2 is a laser-electric arc composite heat source device schematic diagram of the present invention.
1. laser beams among the figure, 2. arc electrodes, 3. protection gas outer cover.
The specific embodiment
Present embodiment adopts paraxonic laser-electric arc composite heat source device, consults relative position shown in Figure 2.Wherein the angle α between laser beam 1 and the arc electrodes 2 is 45 °; Laser beam 1 percussion point and arc electrodes 2 welding pool centre distance D
LABe 2mm; Electrode 2 most advanced and sophisticated distance h to workpiece in the protection gas outer cover 3 are 2mm.Determine laser power, arc power, shield gas flow rate according to material to be processed and thickness of slab then.In the composite welding process, laser is pulsed output mode, and electric arc adopts AC mode.Set start pulse signal, according to welding, cutting, surface-treated needs, laser pulse peaks is acted between the negative half-wave zone of alternating current arc, laser pulse frequency is consistent with power frequency.Consulting shown in Figure 1ly, is example with welding magnesium alloy 5mm heavy-gauge sheeting wherein, and arc current is 100A; Laser pulse peaks power 1KW, base value power are 200W; Laser pulse frequency is 40Hz; Speed of welding 2000mm/min.In order to guarantee to obtain matched well between laser pulse and the positive and negative half-wave zone of alternating current arc in the process, utilize industrial computer to give laser instrument and triggering signal of arcing device respectively simultaneously by A/D converter.Adopt this mode, on the one hand laser energy and arc energy are not fully exerted, significantly reduce energy resource consumption, improve working (machining) efficiency.On the other hand the material surface moulding be improved significantly.
Claims (3)
1, a kind of laser-electric arc composite processing method is characterized in that, this method is, in the laser-electric arc compound processing course, under the control of synchronization pulse, laser pulse acts between the negative half-wave zone of alternating current arc, wherein all the time, arc current is 40A-500A, laser pulse peaks power 1-5KW, laser is coaxial or paraxonic with electric arc, and base value power is 200W-1000W, laser pulse frequency is 10-200Hz, the distance (D between laser-impact point and the electric arc melting bath center
LA) be 1 ~ 6mm, the angle (α) between laser beam (1) and the arc electrodes (2) is 15-45 °, the most advanced and sophisticated distance (h) to workpiece of electrode (2) is 1-5mm.
2, a kind of laser-electric arc composite processing method according to claim 1 is characterized in that, described electric arc type is TIG electric arc, MIG electric arc, MAG electric arc or plasma arc.
3, a kind of laser-electric arc composite processing method according to claim 1 is characterized in that, described type of laser is YAG Solid State Laser bundle, CO
2Gas laser beam or diode laser bundle.
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| CN 200610048080 CN1943959A (en) | 2006-10-20 | 2006-10-20 | Laser-electric arc composite processing method |
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| CN 200610048080 CN1943959A (en) | 2006-10-20 | 2006-10-20 | Laser-electric arc composite processing method |
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Cited By (18)
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|---|---|---|---|---|
| CN101347870B (en) * | 2008-09-10 | 2010-06-16 | 机械科学研究院哈尔滨焊接研究所 | Laser-ultrasmall current GMA compound heat power supply welding method |
| CN101434011B (en) * | 2008-11-28 | 2010-09-29 | 中国兵器工业第五二研究所 | Middle-thickness magnesium alloy CO2 laser-MIG composite welding process |
| CN102126088A (en) * | 2011-01-13 | 2011-07-20 | 哈尔滨工业大学 | Double-sided laser arc composite welding method for thick plate T-joint |
| CN102728960A (en) * | 2011-04-13 | 2012-10-17 | 通用电气公司 | A hybrid welding apparatus and a system and method of welding |
| CN102922150A (en) * | 2012-11-08 | 2013-02-13 | 哈尔滨工业大学 | Wire fusing method of laser liquid filling welding |
| CN101920400B (en) * | 2009-10-30 | 2013-05-08 | 北京航空航天大学 | Gas protection device for laser-arc hybrid welding and laser-arc hybrid welding machine |
| CN103170753A (en) * | 2013-04-17 | 2013-06-26 | 鞍山煜宸科技有限公司 | Arc paraxial welding device and method of laser consumable electrode additionally provided with high-frequency magnetic field |
| CN103252589A (en) * | 2012-02-21 | 2013-08-21 | 沈阳新松机器人自动化股份有限公司 | Laser-MAG (Metal-Active-Gas) compound welding method used for welding and splicing high-strength or ultrahigh-strength steel of thick plate |
| CN104395032A (en) * | 2012-04-30 | 2015-03-04 | 通快机床两合公司 | Laser-assisted plasma cutting or plasma welding method, and device for this purpose |
| CN105057890A (en) * | 2015-08-17 | 2015-11-18 | 华南师范大学 | Laser-MIG compound welding process for automobile body |
| CN107262930A (en) * | 2017-06-27 | 2017-10-20 | 广东工业大学 | A kind of electric arc melts the method and its device that product forges compound rapid forming part with laser-impact |
| CN107350625A (en) * | 2017-09-06 | 2017-11-17 | 江南大学 | The processing method that a kind of electric arc combined energy field of low power laser induction is repaired |
| CN109202291A (en) * | 2018-11-01 | 2019-01-15 | 大连理工大学 | A kind of pulse laser induced arc-welding method for inhibiting plate sheet welding to burn defect |
| CN109773339A (en) * | 2019-02-26 | 2019-05-21 | 重庆理工大学 | A kind of arc-welding method based on laser higher-order of oscillation molten bath |
| CN109967879A (en) * | 2019-03-30 | 2019-07-05 | 苏州欧米宁自动化科技有限公司 | A kind of pulse laser and arc welding compound welding equipment and welding procedure |
| CN109967880A (en) * | 2019-03-30 | 2019-07-05 | 苏州欧米宁自动化科技有限公司 | A kind of laser and arc hybrid welding method |
| CN110227886A (en) * | 2019-07-02 | 2019-09-13 | 太仓大田铭博包装容器有限公司 | A kind of production technology of the electric arc combined welding of fully-automatic laser-for steel drum |
| CN110814552A (en) * | 2019-09-27 | 2020-02-21 | 渤海造船厂集团有限公司 | Scanning galvanometer laser-high frequency pulse TIG (tungsten inert gas) hybrid welding method |
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2006
- 2006-10-20 CN CN 200610048080 patent/CN1943959A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101347870B (en) * | 2008-09-10 | 2010-06-16 | 机械科学研究院哈尔滨焊接研究所 | Laser-ultrasmall current GMA compound heat power supply welding method |
| CN101434011B (en) * | 2008-11-28 | 2010-09-29 | 中国兵器工业第五二研究所 | Middle-thickness magnesium alloy CO2 laser-MIG composite welding process |
| CN101920400B (en) * | 2009-10-30 | 2013-05-08 | 北京航空航天大学 | Gas protection device for laser-arc hybrid welding and laser-arc hybrid welding machine |
| CN102126088A (en) * | 2011-01-13 | 2011-07-20 | 哈尔滨工业大学 | Double-sided laser arc composite welding method for thick plate T-joint |
| CN102728960A (en) * | 2011-04-13 | 2012-10-17 | 通用电气公司 | A hybrid welding apparatus and a system and method of welding |
| CN102728960B (en) * | 2011-04-13 | 2017-07-14 | 通用电气公司 | Mix the System and method for of welding equipment and welding |
| CN103252589A (en) * | 2012-02-21 | 2013-08-21 | 沈阳新松机器人自动化股份有限公司 | Laser-MAG (Metal-Active-Gas) compound welding method used for welding and splicing high-strength or ultrahigh-strength steel of thick plate |
| CN104395032A (en) * | 2012-04-30 | 2015-03-04 | 通快机床两合公司 | Laser-assisted plasma cutting or plasma welding method, and device for this purpose |
| US9849545B2 (en) | 2012-04-30 | 2017-12-26 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Laser-supported plasma processing |
| CN102922150A (en) * | 2012-11-08 | 2013-02-13 | 哈尔滨工业大学 | Wire fusing method of laser liquid filling welding |
| CN103170753A (en) * | 2013-04-17 | 2013-06-26 | 鞍山煜宸科技有限公司 | Arc paraxial welding device and method of laser consumable electrode additionally provided with high-frequency magnetic field |
| CN105057890A (en) * | 2015-08-17 | 2015-11-18 | 华南师范大学 | Laser-MIG compound welding process for automobile body |
| CN107262930B (en) * | 2017-06-27 | 2019-07-23 | 广东工业大学 | A kind of molten product of electric arc forges the method and device thereof of compound rapid forming part with laser-impact |
| CN107262930A (en) * | 2017-06-27 | 2017-10-20 | 广东工业大学 | A kind of electric arc melts the method and its device that product forges compound rapid forming part with laser-impact |
| WO2019000523A1 (en) * | 2017-06-27 | 2019-01-03 | 广东工业大学 | Method and device for rapidly forming component using combined arc fused deposition and laser impact forging |
| US10682716B2 (en) | 2017-06-27 | 2020-06-16 | Guangdong University Of Technology | Method for rapidly forming a part using combination of arc deposition and laser shock forging and device implementing same |
| CN107350625A (en) * | 2017-09-06 | 2017-11-17 | 江南大学 | The processing method that a kind of electric arc combined energy field of low power laser induction is repaired |
| CN109202291A (en) * | 2018-11-01 | 2019-01-15 | 大连理工大学 | A kind of pulse laser induced arc-welding method for inhibiting plate sheet welding to burn defect |
| CN109202291B (en) * | 2018-11-01 | 2021-03-19 | 大连理工大学 | Pulse laser induced arc welding method for inhibiting sheet welding burn-through defect |
| CN109773339A (en) * | 2019-02-26 | 2019-05-21 | 重庆理工大学 | A kind of arc-welding method based on laser higher-order of oscillation molten bath |
| CN109773339B (en) * | 2019-02-26 | 2021-04-13 | 重庆理工大学 | Arc welding method based on laser high-frequency oscillation molten pool |
| CN109967879A (en) * | 2019-03-30 | 2019-07-05 | 苏州欧米宁自动化科技有限公司 | A kind of pulse laser and arc welding compound welding equipment and welding procedure |
| CN109967880A (en) * | 2019-03-30 | 2019-07-05 | 苏州欧米宁自动化科技有限公司 | A kind of laser and arc hybrid welding method |
| CN110227886A (en) * | 2019-07-02 | 2019-09-13 | 太仓大田铭博包装容器有限公司 | A kind of production technology of the electric arc combined welding of fully-automatic laser-for steel drum |
| CN110814552A (en) * | 2019-09-27 | 2020-02-21 | 渤海造船厂集团有限公司 | Scanning galvanometer laser-high frequency pulse TIG (tungsten inert gas) hybrid welding method |
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