CN108772629A - A kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect - Google Patents
A kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect Download PDFInfo
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- CN108772629A CN108772629A CN201810604242.XA CN201810604242A CN108772629A CN 108772629 A CN108772629 A CN 108772629A CN 201810604242 A CN201810604242 A CN 201810604242A CN 108772629 A CN108772629 A CN 108772629A
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- Prior art keywords
- welding
- argon arc
- laser
- repairing
- repaired
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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
- 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
Abstract
The present invention relates to a kind of methods that laser, the compound welding technology of accurate argon arc are used to repair metal defect, welding filling material is placed on workpiece place to be repaired by this method in advance, accurate argon arc utilizes high frequency instant melting wlding and part base material, laser forms repairing area using mirror techniques and scans simultaneously, to play the role of supplement welding output energy, increase fusion penetration and agitation molten pool；1) region to be repaired is cleaned, removal surface oxide layer is shown in metal true qualities；2) material to be filled is placed on place to be repaired in advance；Utilize accurate argon arc welding, moment generates hf electric arc, packing material is melted, surface reconditioning covering is formed, utilizes this melting range of laser galvanometer scanning, melting bath stirring is carried out to repairing position, welding penetration is improved, repairing position is made to be fused again, realizes the high quality reparation to part, postwelding only needs to carry out simple polishing treatment, can reach repairing effect.
Description
Technical field
It is by laser, accurate argon arc composite repair metal defect the present invention relates to the welding field in equipment manufacture
A kind of method.Its method fills welding material, laser galvanometer technology agitation molten pool using accurate argon arc high frequency spot welding, and increase is repaiied
Fusion penetration, discharge internal porosity are mended to reach high-quality welding mending course.
Background technology
With the development of industrial technology, the defect mending of machine components or metal material is required higher and higher.Not only
It is deformed in mending course to avoid material it is required that repairing heat input is small, while requiring repairing quality higher and higher.Zero
There must not be the defects of undercut, stomata after part repairing.Traditional cold-welding technique use intermolecular combination bonding technology, inside no matter from
Metal densification or metal sealing all existing defects after repairing.The art of this patent uses close argon arc welding equipment, moment
High-frequency impulse is generated, and combines the laser scanning molten bath of high-energy density, forms consumable electrode repair by welding technique, while can quantity set
In, welding quality high density energy output instantaneous simultaneously is not only increased, repair by welding process workpiece is without deformation, it is ensured that mends
Weld the mechanical precision of part.
Invention content
It is by laser, accurate argon arc composite repair metal defect the present invention relates to the welding field in equipment manufacture
A kind of method.Welding filling material is placed on workpiece place to be repaired in advance, accurate argon arc utilizes high frequency instant melting wlding
With part base material, while laser using mirror techniques to repairing area formed scan, with play supplement welding output energy, increase
Internal porosity is discharged to reach high-quality welding mending course in fusion penetration and agitation molten pool.
The technical solution adopted by the present invention is：
A kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect, this method is using accurate argon arc
Welding material is filled in high frequency spot welding, using laser galvanometer technology agitation molten pool, increases repairing fusion penetration, discharge internal porosity, to reach
To repair by welding metal defect.
Welding filling material is placed on workpiece place to be repaired in advance, accurate argon arc utilizes high frequency instant melting wlding and portion
Denominator material, simultaneously (or short delay) laser using mirror techniques to repairing area formed scan, with play supplement welding output
Energy increases fusion penetration and agitation molten pool effect；
1) region to be repaired is cleaned, removal surface oxide layer is shown in metal true qualities；
2) material to be filled is placed on place to be repaired in advance；Using accurate argon arc welding, moment generates hf electric arc, fusing
Packing material forms surface reconditioning covering, and using this melting range of laser galvanometer scanning, melting bath stirring is carried out to repairing position,
Welding penetration is improved, so that repairing position is fused again, and internal impurity and metal vapors is discharged, inhibits internal small gas
The high quality reparation to part, the REPAIR WELDING especially suitable for sealing surface are realized in hole；Postwelding only needs simply to be polished
Processing can reach repairing effect.
It is an advantage of the invention that：
1, the present invention generates hf electric arc using accurate argon arc welding, moment, melts packing material, forms surface reconditioning and covers
Lid carries out melting bath stirring to repairing position, improves welding penetration, make repairing position using this melting range of laser galvanometer scanning
It is fused again, and internal impurity and metal vapors is discharged, internal Minute pores, realization is inhibited to repair the high quality of part
It is multiple, the REPAIR WELDING especially suitable for sealing surface.Postwelding only needs to carry out simple polishing treatment, can reach repairing effect.
2, present invention repairing technique quality more single than tradition is more stable, combines accurate argon arc welding repairing and laser preparing
The advantages of, ensureing repairing fusion penetration simultaneously, is reducing the internal flaw after repairing, do not change part integrity energy after repairing.It utilizes
Pulse and laser energy concentrate feature, and repairing area heat affected zone is small, and postwelding keeps the original precision of part, is not deformed, and fit
It should be in the repairing of each precision component and part sealing surface.
Description of the drawings
Schematic diagram when Fig. 1 is the construction of the present invention.
Specific implementation mode
1 the present invention is further described with reference to the accompanying drawings of the specification.
A kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect, this method is using accurate argon arc
Welding material is filled in high frequency spot welding, using laser galvanometer technology agitation molten pool, increases repairing fusion penetration, discharge internal porosity, to reach
To repair by welding metal defect.
Welding filling material is placed on workpiece place to be repaired in advance, accurate argon arc utilizes high frequency instant melting wlding and portion
Denominator material, simultaneously (or short delay) laser using mirror techniques to repairing area formed scan, with play supplement welding output
Energy increases fusion penetration and agitation molten pool effect；
1) region to be repaired is cleaned, removal surface oxide layer is shown in metal true qualities；
2) material to be filled is placed on place to be repaired in advance；Using accurate argon arc welding, moment generates hf electric arc, fusing
Packing material forms surface reconditioning covering, and using this melting range of laser galvanometer scanning, melting bath stirring is carried out to repairing position,
Welding penetration is improved, so that repairing position is fused again, and internal impurity and metal vapors is discharged, inhibits internal small gas
The high quality reparation to part, the REPAIR WELDING especially suitable for sealing surface are realized in hole；Postwelding only needs simply to be polished
Processing can reach repairing effect.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
Claims (2)
1. a kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect, it is characterised in that：
This method fills welding material using accurate argon arc high frequency spot welding, using laser galvanometer technology agitation molten pool, increases repairing
Fusion penetration, discharge internal porosity, to reach repair by welding metal defect.
2. the method that a kind of laser according to claim 1, the compound welding technology of accurate argon arc are used to repair metal defect,
It is characterized in that：
Welding filling material is placed on workpiece place to be repaired in advance, accurate argon arc is female with part using high frequency instant melting wlding
Material, while laser forms repairing area using mirror techniques and scans, and to play supplement welding output energy, increases fusion penetration and stirs
Mix molten bath effect；
1) region to be repaired is cleaned, removal surface oxide layer is shown in metal true qualities；
2) material to be filled is placed on place to be repaired in advance；Using accurate argon arc welding, moment generates hf electric arc, fusing filling
Material forms surface reconditioning covering, using this melting range of laser galvanometer scanning, carries out melting bath stirring to repairing position, improves
Welding penetration makes repairing position be fused again, and internal impurity and metal vapors is discharged, and inhibits internal Minute pores, real
Now to the high quality reparation of part, the REPAIR WELDING especially suitable for sealing surface；Postwelding only needs to carry out simple polishing treatment,
Repairing effect can be reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604242.XA CN108772629A (en) | 2018-06-13 | 2018-06-13 | A kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604242.XA CN108772629A (en) | 2018-06-13 | 2018-06-13 | A kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108772629A true CN108772629A (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810604242.XA Pending CN108772629A (en) | 2018-06-13 | 2018-06-13 | A kind of method that laser, the compound welding technology of accurate argon arc are used to repair metal defect |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977322A (en) * | 2019-11-21 | 2020-04-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Method for repairing defect of typical part of tail nozzle mechanical adjusting system |
| CN112453709A (en) * | 2020-11-20 | 2021-03-09 | 西安热工研究院有限公司 | Welding method for crack damage of deformed high-temperature alloy thin-wall part |
| CN112846658A (en) * | 2020-12-31 | 2021-05-28 | 中核北方核燃料元件有限公司 | Method for eliminating air holes in medium-thickness steel lock bottom type welding seam |
Citations (6)
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| CN201586821U (en) * | 2010-01-14 | 2010-09-22 | 北京天诚宇新材料技术有限公司 | High-energy impulse precise fast repairing cold welding machine |
| CN101941116A (en) * | 2010-09-07 | 2011-01-12 | 济南海通焊接技术有限公司 | Double-pulse all-position plasma welding machine |
| CN202741890U (en) * | 2012-09-10 | 2013-02-20 | 北京天诚宇新材料技术有限公司 | Laser-similar high-energy pulse precision cold compensation machine |
| CN103056533A (en) * | 2012-12-20 | 2013-04-24 | 华中科技大学 | Oscillatory scanning laser beam-electric arc hybrid welding method and system |
| JP2015157318A (en) * | 2014-01-23 | 2015-09-03 | 有限会社日三エンジニアリング | Laser-welding equipment and workpiece repairing method |
| CN106141435B (en) * | 2016-08-17 | 2017-09-19 | 广东工业大学 | Laser-arc hybrid welding process 3D increases material repair apparatus and method for repairing and mending |
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2018
- 2018-06-13 CN CN201810604242.XA patent/CN108772629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201586821U (en) * | 2010-01-14 | 2010-09-22 | 北京天诚宇新材料技术有限公司 | High-energy impulse precise fast repairing cold welding machine |
| CN101941116A (en) * | 2010-09-07 | 2011-01-12 | 济南海通焊接技术有限公司 | Double-pulse all-position plasma welding machine |
| CN202741890U (en) * | 2012-09-10 | 2013-02-20 | 北京天诚宇新材料技术有限公司 | Laser-similar high-energy pulse precision cold compensation machine |
| CN103056533A (en) * | 2012-12-20 | 2013-04-24 | 华中科技大学 | Oscillatory scanning laser beam-electric arc hybrid welding method and system |
| JP2015157318A (en) * | 2014-01-23 | 2015-09-03 | 有限会社日三エンジニアリング | Laser-welding equipment and workpiece repairing method |
| CN106141435B (en) * | 2016-08-17 | 2017-09-19 | 广东工业大学 | Laser-arc hybrid welding process 3D increases material repair apparatus and method for repairing and mending |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977322A (en) * | 2019-11-21 | 2020-04-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Method for repairing defect of typical part of tail nozzle mechanical adjusting system |
| CN112453709A (en) * | 2020-11-20 | 2021-03-09 | 西安热工研究院有限公司 | Welding method for crack damage of deformed high-temperature alloy thin-wall part |
| CN112846658A (en) * | 2020-12-31 | 2021-05-28 | 中核北方核燃料元件有限公司 | Method for eliminating air holes in medium-thickness steel lock bottom type welding seam |
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Application publication date: 20181109 |
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