CN108300992A - A kind of workpiece surface crackle laser repairing process - Google Patents
A kind of workpiece surface crackle laser repairing process Download PDFInfo
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- CN108300992A CN108300992A CN201810059317.0A CN201810059317A CN108300992A CN 108300992 A CN108300992 A CN 108300992A CN 201810059317 A CN201810059317 A CN 201810059317A CN 108300992 A CN108300992 A CN 108300992A
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- Prior art keywords
- workpiece surface
- cladding material
- workpiece
- laser
- repairing process
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 208000037656 Respiratory Sounds Diseases 0.000 title claims abstract description 18
- 238000005253 cladding Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000001035 drying Methods 0.000 claims description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
- 108010038629 Molybdoferredoxin Proteins 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 239000005864 Sulphur Substances 0.000 claims description 8
- HBELESVMOSDEOV-UHFFFAOYSA-N [Fe].[Mo] Chemical compound [Fe].[Mo] HBELESVMOSDEOV-UHFFFAOYSA-N 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 238000007596 consolidation process Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 235000021110 pickles Nutrition 0.000 claims description 8
- 238000005554 pickling Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009418 renovation Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of workpiece surface crackle laser repairing process, include the following steps：A, workpiece surface is handled；B, one layer of cladding material is sprayed in workpiece surface cracks, and is preheated；C, cladding material is melted using pulse laser；D, finally workpiece surface checked, cleaned, the renovation technique that the present invention uses is easy to operate, and repairing effect is good, can improve the integral hardness and wear-resisting property of workpiece, extend the service life of workpiece.
Description
Technical field
The present invention relates to laser repairing technical field, specially a kind of workpiece surface crackle laser repairing process.
Background technology
Laser processing technology gradually replaces traditional handicraft that can realize that product quality has breakthrough raising（Show as higher production
Product intensity, more reliable product stability, more accurate printing precision, print speed, stamp with the size, stronger product wear intensity
With product corrosion resistance and more beautiful apparent mass）, production specification can be also greatly enriched, meets the special of some industries and wants
It asks, is with a wide range of applications.
There is micro-crack to workpiece in surface after prolonged use, if without repairing, is had an impact to workpiece performance；
Traditional restorative procedure is that the workpiece that there is micro-crack on surface carries out turnery processing, removes surface fatigue layer, then carries out heat again
Processing, this method treatment effeciency is low, and effect is poor, be easy to cause secondary cracks.
Invention content
The purpose of the present invention is to provide a kind of workpiece surface crackle laser repairing process, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of workpiece surface crackle laser repairing process, packet
Include following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 3-5 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 180 DEG C -220 DEG C, time 40min-80min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
Diameter 1mm -2mm are adjusted to cladding material surface, and by laser facula, use argon gas for protective gas, consolidation layer after processing
Three times through 300 DEG C of -700 DEG C of heat preservations, 30min-50min is kept the temperature every time；
D, finally workpiece surface checked, cleaned.
Preferably, cladding material composition is by mass percentage in the step B：Vanadium iron 4%-12%, molybdenum-iron 8%-20%, stone
Black 2%-6%, manganese 1%-4%, sulphur 1%-5%, nickel 0.5%-1.5%, nodulizer 0.05%-0.3%, surplus are fe-based self-fluxing alloy powder.
Preferably, pulse laser power 1500-3000W, sweep speed 4-8mm/s, overlapping rate 20%- in the step C
48%。
Preferably, drying box temperature is 80 DEG C -120 DEG C in the step A, drying time 80min-150min.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The renovation technique that the present invention uses is easy to operate, and repairing effect is good, can improve the integral hardness and wearability of workpiece
Can, extend the service life of workpiece.
（2）The cladding material wear-resisting property that the present invention uses is good, can reduce cladding process since material property mismatches
And the stress generated, the danger that crackle occurs again is reduced, the quality of cladding layer is improved.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one：
The present invention provides the following technical solutions：A kind of workpiece surface crackle laser repairing process, includes the following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 3 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 180 DEG C, time 40min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
It is adjusted to diameter 1mm to cladding material surface, and by laser facula, uses argon gas for protective gas, consolidation layer passes through after processing
300 DEG C of heat preservations three times, keep the temperature 30min every time；
D, finally workpiece surface checked, cleaned.
In the present embodiment, cladding material composition is by mass percentage in step B：Vanadium iron 4%, molybdenum-iron 8%, graphite 2%, manganese
1%, sulphur 1%, nickel 0.5%, nodulizer 0.05%, surplus are fe-based self-fluxing alloy powder.
In the present embodiment, pulse laser power 1500W in step C, sweep speed 4mm/s, overlapping rate 20%.
In the present embodiment, drying box temperature is 80 DEG C in step A, drying time 80min.
Embodiment two：
A kind of workpiece surface crackle laser repairing process, includes the following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 5 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 220 DEG C, time 80min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
It is adjusted to diameter 2mm to cladding material surface, and by laser facula, uses argon gas for protective gas, consolidation layer is through 700 after processing
DEG C heat preservation three times, keep the temperature 50min every time；
D, finally workpiece surface checked, cleaned.
In the present embodiment, cladding material composition is by mass percentage in step B：Vanadium iron 12%, molybdenum-iron 20%, graphite 6%,
Manganese 4%, sulphur 5%, nickel 1.5%, nodulizer 0.3%, surplus are fe-based self-fluxing alloy powder.
In the present embodiment, pulse laser power 3000W in step C, sweep speed 8mm/s, overlapping rate 48%.
In the present embodiment, drying box temperature is 120 DEG C in step A, drying time 150min.
Embodiment three：
A kind of workpiece surface crackle laser repairing process, includes the following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 3 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 190 DEG C, time 45min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
It is adjusted to diameter 1mm to cladding material surface, and by laser facula, uses argon gas for protective gas, consolidation layer passes through after processing
400 DEG C of heat preservations three times, keep the temperature 35min every time；
D, finally workpiece surface checked, cleaned.
In the present embodiment, cladding material composition is by mass percentage in step B：Vanadium iron 5%, molybdenum-iron 9%, graphite 3%, manganese
2%, sulphur 2%, nickel 0.7%, nodulizer 0.08%, surplus are fe-based self-fluxing alloy powder.
In the present embodiment, pulse laser power 1700W in step C, sweep speed 5mm/s, overlapping rate 25%.
In the present embodiment, drying box temperature is 90 DEG C in step A, drying time 90min.
Example IV：
A kind of workpiece surface crackle laser repairing process, includes the following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 5 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 210 DEG C, time 70min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
It is adjusted to diameter 2mm to cladding material surface, and by laser facula, uses argon gas for protective gas, consolidation layer passes through after processing
650 DEG C of heat preservations three times, keep the temperature 45min every time；
D, finally workpiece surface checked, cleaned.
In the present embodiment, cladding material composition is by mass percentage in step B：Vanadium iron 10%, molybdenum-iron 18%, graphite 5%,
Manganese 3%, sulphur 4%, nickel 1.2%, nodulizer 0.25%, surplus are fe-based self-fluxing alloy powder.
In the present embodiment, pulse laser power 2800W in step C, sweep speed 7mm/s, overlapping rate 42%.
In the present embodiment, drying box temperature is 115 DEG C in step A, drying time 140min.
Embodiment five：
A kind of workpiece surface crackle laser repairing process, includes the following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 5 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 208 DEG C, time 48min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
It is adjusted to diameter 1mm to cladding material surface, and by laser facula, uses argon gas for protective gas, consolidation layer passes through after processing
620 DEG C of heat preservations three times, keep the temperature 42min every time；
D, finally workpiece surface checked, cleaned.
In the present embodiment, cladding material composition is by mass percentage in step B：Vanadium iron 9%, molybdenum-iron 10%, graphite 5%, manganese
2%, sulphur 4%, nickel 0.6%, nodulizer 0.08%, surplus are fe-based self-fluxing alloy powder.
In the present embodiment, pulse laser power 1800W in step C, sweep speed 5mm/s, overlapping rate 30%.
In the present embodiment, drying box temperature is 92 DEG C in step A, drying time 100min.
Embodiment six：
A kind of workpiece surface crackle laser repairing process, includes the following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 4 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 200 DEG C, time 60min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
It is adjusted to diameter 1.5mm to cladding material surface, and by laser facula, uses argon gas for protective gas, consolidation layer passes through after processing
500 DEG C of heat preservations three times, keep the temperature 40min every time；
D, finally workpiece surface checked, cleaned.
In the present embodiment, cladding material composition is by mass percentage in step B：Vanadium iron 8%, molybdenum-iron 14%, graphite 4%, manganese
3%, sulphur 3%, nickel 1%, nodulizer 0.2%, surplus are fe-based self-fluxing alloy powder.
In the present embodiment, pulse laser power 2200W in step C, sweep speed 6mm/s, overlapping rate 34%.
In the present embodiment, drying box temperature is 100 DEG C in step A, drying time 120min.
The cladding material wear-resisting property that the present invention uses is good, can reduce cladding process and be produced since material property mismatches
Raw stress reduces the danger that crackle occurs again, improves the quality of cladding layer.
Experimental example：
The workpiece of laser repairing process reparation using the present invention is combined intensity and cladding layer hardness test, obtains data such as
Following table：
| Bond strength（MPA） | Hardness（HRC） | |
| Embodiment one | 350 | 48 |
| Embodiment two | 360 | 48 |
| Embodiment three | 358 | 52 |
| Example IV | 362 | 54 |
| Embodiment five | 365 | 50 |
| Embodiment six | 375 | 55 |
In conclusion the renovation technique that the present invention uses is easy to operate, repairing effect is good, can improve workpiece integral hardness and
Wear-resisting property extends the service life of workpiece.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of workpiece surface crackle laser repairing process, it is characterised in that：Include the following steps：
A, workpiece surface is handled：Using clear after being polished workpiece surface, polished and pickle being used to carry out pickling
Water is put into drying box after rinsing 3-5 times repeatedly and is dried, and takes out cool down in ventilation later；
B, one layer of cladding material is sprayed in workpiece surface cracks, and puts the workpiece in heater box and is preheated, preheating temperature
It is 180 DEG C -220 DEG C, time 40min-80min；
C, cladding material is melted using pulse laser：The laser beam that pulse laser generator is sent out is transmitted by light-conducting system
Diameter 1mm -2mm are adjusted to cladding material surface, and by laser facula, use argon gas for protective gas, consolidation layer after processing
Three times through 300 DEG C of -700 DEG C of heat preservations, 30min-50min is kept the temperature every time；
D, finally workpiece surface checked, cleaned.
2. a kind of workpiece surface crackle laser repairing process according to claim 1, it is characterised in that：In the step B
Cladding material forms：Vanadium iron 4%-12%, molybdenum-iron 8%-20%, graphite 2%-6%, manganese 1%-4%, sulphur 1%-5%, nickel
0.5%-1.5%, nodulizer 0.05%-0.3%, surplus are fe-based self-fluxing alloy powder.
3. a kind of workpiece surface crackle laser repairing process according to claim 1, it is characterised in that：In the step C
Pulse laser power 1500-3000W, sweep speed 4-8mm/s, overlapping rate 20%-48%.
4. a kind of workpiece surface crackle laser repairing process according to claim 1, it is characterised in that：In the step A
Drying box temperature is 80 DEG C -120 DEG C, drying time 80min-150min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059317.0A CN108300992A (en) | 2018-01-22 | 2018-01-22 | A kind of workpiece surface crackle laser repairing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059317.0A CN108300992A (en) | 2018-01-22 | 2018-01-22 | A kind of workpiece surface crackle laser repairing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108300992A true CN108300992A (en) | 2018-07-20 |
Family
ID=62866128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059317.0A Pending CN108300992A (en) | 2018-01-22 | 2018-01-22 | A kind of workpiece surface crackle laser repairing process |
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| CN (1) | CN108300992A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226096A (en) * | 2018-08-15 | 2019-01-18 | 中车青岛四方机车车辆股份有限公司 | A kind of Al-Mg-Zn alloy workpiece surface laser cleaning process |
| CN110760776A (en) * | 2019-09-24 | 2020-02-07 | 成都正恒动力股份有限公司 | Cr-free iron-based coating of cylinder inner hole and spraying method thereof |
| CN114163262A (en) * | 2021-12-27 | 2022-03-11 | 中国人民解放军陆军装甲兵学院 | Material for enhancing surface toughness of hard and brittle material and preparation method thereof |
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| CN101381869A (en) * | 2008-10-22 | 2009-03-11 | 东莞理工学院 | Special alloy powder for laser cladding high-hardness crack-free iron-based alloy |
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Cited By (4)
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|---|---|---|---|---|
| CN109226096A (en) * | 2018-08-15 | 2019-01-18 | 中车青岛四方机车车辆股份有限公司 | A kind of Al-Mg-Zn alloy workpiece surface laser cleaning process |
| CN110760776A (en) * | 2019-09-24 | 2020-02-07 | 成都正恒动力股份有限公司 | Cr-free iron-based coating of cylinder inner hole and spraying method thereof |
| CN114163262A (en) * | 2021-12-27 | 2022-03-11 | 中国人民解放军陆军装甲兵学院 | Material for enhancing surface toughness of hard and brittle material and preparation method thereof |
| CN114163262B (en) * | 2021-12-27 | 2022-11-18 | 中国人民解放军陆军装甲兵学院 | Material for enhancing surface toughness of hard and brittle material and preparation method thereof |
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Application publication date: 20180720 |