CN104532233B - Rotor axle position laser melting coating restorative procedure - Google Patents
Rotor axle position laser melting coating restorative procedure Download PDFInfo
- Publication number
- CN104532233B CN104532233B CN201510041753.1A CN201510041753A CN104532233B CN 104532233 B CN104532233 B CN 104532233B CN 201510041753 A CN201510041753 A CN 201510041753A CN 104532233 B CN104532233 B CN 104532233B
- Authority
- CN
- China
- Prior art keywords
- axle position
- melting coating
- laser melting
- rotor axle
- reparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011248 coating agent Substances 0.000 title claims abstract description 25
- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 238000002844 melting Methods 0.000 title claims abstract description 25
- 230000008018 melting Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 20
- 230000006378 damage Effects 0.000 claims abstract description 11
- 230000008439 repair process Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000009659 non-destructive testing Methods 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to a kind of rotor axle position laser melting coating restorative procedure, including repair preparation process and laser melting coating reparation step and repair detecting step, the reparation preparation process includes：Cleaning workpiece, each portion's size is detected, determines damage location and its wear extent；Non-Destructive Testing and metallographic detection are carried out to workpiece；Detect the hardness and chemical composition of rotor axle position；Rotor axis of electric position damage location fatigue layer is removed, fatigue layer is cleaned out；The laser melting coating repairs step：According to the hardness of rotor axle position and selection of chemical composition alloy powder.Rotor axle position laser melting coating restorative procedure of the present invention, rotor axis of electric corrosion resistance after reparation is good, is not likely to produce fatigue, extends the service life of motor, reduces production cost.
Description
Technical field
The present invention relates to a kind of motor repaired method, is to be related to a kind of rotor axle position laser melting coating to repair specifically
Compound method.
Background technology
Because rotor axis of electric bears the effect of larger alternate load and the work in corrosive gas in operation process
Make, axle position easily wears, corrodes and causes to fail.Typically all do previously for abrasion, the rotor axle position corroded and scrap processing,
Also using some conventional restorative procedures, still surface abrasion resistance, decay resistance are poor after the abrasion of some rotor axle positions, reach
It is difficult to be on active service for a long time after reparation less than requirement.
The content of the invention
Rotor axle position after being worn for existing conventional process, which is typically all done, scraps processing, if to its prosthetic
The deficiency of requirement can be extremely difficult to, the present invention provides a kind of, there is provided a kind of wearability is good, corrosion resistance and good, is not easy to produce
The rotor axle position laser melting coating restorative procedure of raw fatigue.
The technical solution used in the present invention is：
A kind of rotor axle position laser melting coating restorative procedure, including preparation process and laser melting coating reparation step are repaired,
The reparation preparation process includes：
A, cleaning workpiece, each portion's size is detected, determines damage location and its wear extent；
B, Non-Destructive Testing is carried out to workpiece and metallographic detects；
C, the hardness and chemical composition of rotor axle position are detected；
D, rotor axis of electric position damage location fatigue layer is removed, fatigue layer is cleaned out；
It is characterized in that：The laser melting coating repairs step：
E, according to the hardness of rotor axle position and selection of chemical composition alloy powder；First layer is prime coat alloy powder
For Ni based powders, Ni alloy powder percentage by weight meters Ni+Co >=58-60%；Cr is 18-20%, Mo 8-10%；
Top layer working lining cladding is carried out after the completion of cladding, cladding material is Co based powders, the percentage by weight of Co based powders
Meter Ni is 13%, Cr 14%, Mo 4%, Fe 3%, C 0.8%, Co are surplus；
F, laser parameter, laser power 4kw, spot diameter 2mm, overlapping rate 33.3%, sweep speed are adjusted
200mm/ minutes carry out laser melting coating.
Rotor axle position laser melting coating restorative procedure, including repair detecting step：
G, it is machined as requested to repairing position；
H, dye penetrant inspection and ultrasonic examination are carried out to repairing surface；
I, hardness determination is carried out to the rotor axle position after reparation.
Removal rotor axis of electric position damage location fatigue layer thickness is 2-4mm.
The beneficial effect of the present invention compared with the prior art：
Rotor axle position laser melting coating restorative procedure of the present invention, rotor axis of electric corrosion resistance after reparation is good, no
Fatigue is also easy to produce, the service life of motor is extended, reduces production cost.
Embodiment
According to embodiment, the present invention is described in detail：
A kind of rotor axle position laser melting coating restorative procedure, including preparation process and laser melting coating reparation step are repaired,
The reparation preparation process includes：
A, cleaning workpiece, each portion's size is detected, determines damage location and its wear extent；
B, Non-Destructive Testing is carried out to workpiece and metallographic detects；
C, the hardness and chemical composition of rotor axle position are detected；
D, rotor axis of electric position damage location fatigue layer is removed, fatigue layer is cleaned out；
The laser melting coating repairs step：
E, according to the hardness of rotor axle position and selection of chemical composition alloy powder；First layer is prime coat alloy powder
For Ni based powders, Ni alloy powders have and mother metal fusion character is good, and dilution rate is high, percentage by weight meter Ni+Co >=58-60%；Cr
For 18-20%, Mo 8-10%；
Top layer working lining cladding is carried out after the completion of cladding, cladding material is Co based powders, the percentage by weight of Co based powders
Meter Ni is 13%, Cr 14%, Mo 4%, Fe 3%, C 0.8%, Co are surplus；Co based powders have that heat resistance is good, resistance to
The good superperformance of mill property；
F, laser parameter, laser power 4kw, spot diameter 2mm, overlapping rate 33.3%, sweep speed are adjusted
200mm/ minutes carry out laser melting coating.
Rotor axle position laser melting coating restorative procedure, including repair detecting step：G, enter as requested to repairing position
Row machining；
H, dye penetrant inspection and ultrasonic examination are carried out to repairing surface；
I, hardness determination is carried out to the rotor axle position after reparation.
Removal rotor axis of electric position damage location fatigue layer thickness is 2-4mm.
After rotor axle position laser remanufacturing, it is machined according to drawing, the performance processed is carried out
Color is detected a flaw and ultrasonic examination, and there is zero defect on detection rotor axle position surface, and carries out hardness to rotor axle position surface
Detection and Metallographic Analysis, assay is qualified, meets technical requirements.
Claims (3)
1. a kind of rotor axle position laser melting coating restorative procedure, including preparation process and laser melting coating reparation step are repaired,
The reparation preparation process includes：
A, cleaning workpiece, each portion's size is detected, determines damage location and its wear extent；
B, Non-Destructive Testing is carried out to workpiece and metallographic detects；
C, the hardness and chemical composition of rotor axle position are detected；
D, rotor axis of electric position damage location fatigue layer is removed, fatigue layer is cleaned out；
It is characterized in that：The laser melting coating repairs step：
E, according to the hardness of rotor axle position and selection of chemical composition alloy powder；First layer is that prime coat alloy powder is Ni
Based powders, Ni alloy powder percentage by weight meters Ni+Co >=58-60%；Cr is 18-20%, Mo 8-10%；
Top layer working lining cladding is carried out after the completion of cladding, cladding material is Co based powders, the percentage by weight meter Ni of Co based powders
It is surplus for 13%, Cr 14%, Mo 4%, Fe 3%, C 0.8%, Co；
F, laser parameter, laser power 4kw, spot diameter 2mm, overlapping rate 33.3%, 200mm/ points of sweep speed are adjusted
Clock carries out laser melting coating.
2. rotor axle position laser melting coating restorative procedure according to claim 1, it is characterised in that：Including repairing detection step
Suddenly：
G, it is machined as requested to repairing position；
H, dye penetrant inspection and ultrasonic examination are carried out to repairing surface；
I, hardness determination is carried out to the rotor axle position after reparation.
3. rotor axle position laser melting coating restorative procedure according to claim 1, it is characterised in that：The removal motor turns
Sub- axle position damage location fatigue layer thickness is 2-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041753.1A CN104532233B (en) | 2015-01-28 | 2015-01-28 | Rotor axle position laser melting coating restorative procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041753.1A CN104532233B (en) | 2015-01-28 | 2015-01-28 | Rotor axle position laser melting coating restorative procedure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532233A CN104532233A (en) | 2015-04-22 |
| CN104532233B true CN104532233B (en) | 2018-02-06 |
Family
ID=52847846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510041753.1A Active CN104532233B (en) | 2015-01-28 | 2015-01-28 | Rotor axle position laser melting coating restorative procedure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104532233B (en) |
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| CN106676513A (en) * | 2015-08-24 | 2017-05-17 | 丹阳宏图激光科技有限公司 | Laser repair method of hot rolling roller |
| CN106555184B (en) * | 2015-09-24 | 2019-03-22 | 沈阳大陆激光技术有限公司 | A kind of renovation technique of building block system screw rod |
| CN106567063A (en) * | 2015-10-13 | 2017-04-19 | 丹阳宏图激光科技有限公司 | A hot roller laser restoration method allowing surface hardness after restoration to be 58 HRC or above |
| CN106567070A (en) * | 2015-10-13 | 2017-04-19 | 丹阳宏图激光科技有限公司 | A hot roller laser restoration method allowing a restored surface to have good wear resistance |
| CN106567069A (en) * | 2015-10-13 | 2017-04-19 | 丹阳宏图激光科技有限公司 | Laser repairing method of hot roll good in laser cladding effect |
| CN106567071A (en) * | 2015-10-13 | 2017-04-19 | 丹阳宏图激光科技有限公司 | Low roller deformation hot roller laser repair method |
| CN105734563A (en) * | 2016-04-25 | 2016-07-06 | 山西玉华再制造科技有限公司 | Laser surface compound reinforced restoring method and shaft part restored with same |
| CN108165986A (en) * | 2017-12-30 | 2018-06-15 | 江苏中科大港激光科技有限公司 | A kind of helical axis wearing layer laser melting and coating process |
| CN108620809B (en) * | 2018-05-11 | 2020-04-24 | 岳阳大陆激光技术有限公司 | Online repair method for steam seal shaft neck of steam turbine rotor of 1000MW generator set |
| CN108672951A (en) * | 2018-06-04 | 2018-10-19 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of fully-automatic laser diced system and control method |
| CN109536945A (en) * | 2018-11-30 | 2019-03-29 | 成都大陆激光技术有限公司 | A method of repairing generator rotor shaft neck |
| CN111020567A (en) * | 2019-12-23 | 2020-04-17 | 芜湖舍达激光科技有限公司 | Processing method for manufacturing working surface coating of crystallizer copper plate by high-speed laser cladding |
| CN111996416B (en) * | 2020-07-21 | 2021-10-19 | 安徽马钢表面技术股份有限公司 | Cobalt-based alloy powder for high-speed laser cladding and cladding method thereof |
| CN112813431A (en) * | 2020-12-29 | 2021-05-18 | 深圳南山热电股份有限公司 | Laser repair process for rotor disc of gas turbine |
| US11661861B2 (en) | 2021-03-03 | 2023-05-30 | Garrett Transportation I Inc. | Bi-metal variable geometry turbocharger vanes and methods for manufacturing the same using laser cladding |
| CN115747794A (en) * | 2022-11-29 | 2023-03-07 | 湖南三一塔式起重机械有限公司 | Laser cladding method and laser cladding system |
| CN115652300A (en) * | 2022-11-30 | 2023-01-31 | 哈尔滨理工大学 | Laser cladding repair equipment structure of typical parts |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457378A (en) * | 2007-12-11 | 2009-06-17 | 沈阳大陆激光技术有限公司 | Laser forming electro-galvanizing wire conducting roller and manufacturing method thereof |
| CN101397663A (en) * | 2008-11-11 | 2009-04-01 | 岳阳大陆激光技术有限公司 | Novel repair and reconstruction technique for defect treatment of strip coiler hollow axle |
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- 2015-01-28 CN CN201510041753.1A patent/CN104532233B/en active Active
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Inventor after: Han Jiajie Inventor after: Jia Jitong Inventor after: Wang Chao Inventor after: Zheng Jinxin Inventor before: Han Jiajie Inventor before: Wang Chao Inventor before: Zheng Jinxin |