CN110257826A - Grain roll bearing position laser cladding method and laser melting coating alloy powder - Google Patents
Grain roll bearing position laser cladding method and laser melting coating alloy powder Download PDFInfo
- Publication number
- CN110257826A CN110257826A CN201910653799.7A CN201910653799A CN110257826A CN 110257826 A CN110257826 A CN 110257826A CN 201910653799 A CN201910653799 A CN 201910653799A CN 110257826 A CN110257826 A CN 110257826A
- Authority
- CN
- China
- Prior art keywords
- bearing position
- grain roll
- roll bearing
- laser
- melting coating
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 48
- 238000000576 coating method Methods 0.000 title claims abstract description 39
- 239000011248 coating agent Substances 0.000 title claims abstract description 38
- 238000002844 melting Methods 0.000 title claims abstract description 35
- 230000008018 melting Effects 0.000 title claims abstract description 35
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 30
- 239000000956 alloy Substances 0.000 title claims abstract description 30
- 238000004372 laser cladding Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005253 cladding Methods 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 230000007547 defect Effects 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 208000037656 Respiratory Sounds Diseases 0.000 claims abstract description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 7
- 239000011159 matrix material Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000005275 alloying Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 239000011651 chromium Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 235000020610 powder formula Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- B22F1/0003—
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The present invention relates to a kind of grain roll bearing position laser cladding method and laser melting coating alloy powders, the mass percentage composition of the laser melting coating alloy powder are as follows: Mn:0.32%~0.43%, B:1.2%~1.3%, Cr:12.5%~16.5%, C:0.03%~0.08%, Si:0.62~0.8%, surplus is Fe, the alloy powder can produce high performance surface alloying layer on cheap grain roll bearing position basis material, it assigns metal the good performances such as wear-resisting, corrosion-resistant, the service life for repairing rear bearing position is greatly improved.By using above-mentioned laser melting coating alloy powder, the cladding alloy-layer formed in conjunction with corresponding grain roll bearing position laser cladding method, after laser melting coating processing good metallurgical bonding can be formed with grain roll bearing position matrix surface, with good toughness, intensity and wearability, effectively realize the laser melting coating reparation of grain roll bearing position after wearing, the defects of being not in crackle, stomata, has significant economic benefit to improve the working strength and working life of grain roll.
Description
Technical field
The present invention relates to Surface Engineering field, in particular to a kind of grain roll bearing position laser cladding method and laser is molten
It covers and uses alloy powder.
Background technique
Laser melting coating is also referred to as laser remanufacturing technology, laser repairing technology.Laser melting and coating technique is a kind of using high energy
Laser and metal powder material carry out the emerging technology of alloy strengthening processing to all kinds of parts, its surface can be significantly improved after processing
Hardness and wearability extend part service life, improve operating rate, achieve the purpose that volume increase consumption reduction.Laser melting coating working principle
It is the coating material for placing selection on coated matrix surface in a manner of different fillers, is allowed to by laser irradiation and base
Body surface face a thin layer melts simultaneously, and quickly formation dilution rate is extremely low after solidification and the surface of metallurgical bonding is formed with basis material
Coating, to significantly improve wear-resisting, anti-corrosion, heat-resisting and anti-oxidant etc. the process of substrate material surface.
It is tired that laser melting and coating technique solves inevitable thermal deformation, heat in the hot procedures such as traditional electric welding, argon arc welding
A series of technical problems such as strain wound, while the coating that also solves tradition plating, spraying etc. during cold working is in conjunction with matrix
The contradiction of intensity difference, this just provides a good approach for the development of surface reconditioning and reinforcement technique.Laser melting coating in addition to
Various abrasions can be directed to, are corroded, chromium trace, scratch, that pulls equal metal defects remanufacture reparation, in petrochemical industry row
The industries such as industry, engineering machinery, mining machinery, industrial machinery, valve also obtain extensive use, and laser melting coating can play it
The magical effect for manufacturing and remanufacturing.
Grain roll is cheap, economy and durability the roll of one kind that metallurgy industry is most widely used, dosage is maximum.
Since grain roll operating condition is severe, often due to the reasons such as fatigue, thermal stress, burn into impact and vibration, grain roll in use
Bearing position is often worn, if repaired not in time, will increase the unbalance loading of roll so that milling train work smoothness sharply under
Drop, serious even damage milling train.For grain roll due to its carbon containing height, plasticity is poor, uses conventional arc weldering, plasma surfacing, argon
The modes such as arc-welding are repaired, easily cracked in the welding process, cause grain roll to be repaired to be scrapped, conventional method can not
Efficiently accomplish the reparation of grain roll bearing position after wearing.
Summary of the invention
Based on this, it is necessary to for conventional method can not efficiently accomplish abrasion after grain roll bearing position reparation this ask
Topic, provides a kind of grain roll bearing position laser cladding method and laser melting coating alloy powder.
It is by weight percentage, described the present invention provides a kind of grain roll bearing position laser melting coating alloy powder
The mass percentage composition of alloy powder are as follows:
Mn:0.32%~0.43%, B:1.2%~1.3%, Cr:12.5%~16.5%, C:0.03%~0.08%,
Si:0.62~0.8%, surplus Fe.
Above-mentioned grain roll bearing position laser melting coating alloy powder can be in cheap grain roll bearing position basis material
On produce high performance surface alloying layer, assign metal the good performances such as wear-resisting, corrosion-resistant, be greatly improved and repair rear bearing position
Service life there is significant economic benefit to improve the working strength and working life of grain roll.
Preferably, the mass percentage composition of the alloy powder are as follows:
Mn:0.32%, B:1.3%, Cr:16%, C:0.03%, Si:0.8%, surplus Fe.
Preferably, the alloy powder each group is divided into the powder that purity is greater than 99.9%, and granularity is 135~325 mesh.
The present invention additionally provides a kind of grain roll bearing position laser cladding method simultaneously, comprising the following steps:
(1) the unilateral 0.6~1mm of turning in grain roll bearing position is removed by fretting fatigue layer according to abrasion condition；
(2) it using the bearing position after industrial alcohol cleaning turning, degreases, the impurity such as oxide；
(3) any laser cladding powder of claims 1 to 3 is transported to bearing to be repaired by synchronous powder feeding system
Position carries out laser melting coating, obtains cladding layer by laser scanning；
(4) the defects of surface dye penetrant inspection being carried out to cladding layer, having detected whether crackle；
(5) grinding is used to cladding layer, unilateral stock removal is 1.0mm, obtains dimensional tolerance, finish conforms to
The laser melting coating reparation of grain roll bearing position is completed in the bearing position asked.
By using above-mentioned grain roll bearing position laser melting coating alloy powder formula, can cast iron upon wear roll
Roller bearing position obtains the cladding alloy-layer of the defects of flawless.The grain roll bearing position obtained in conjunction with above-mentioned laser cladding method
Laser cladding layer can form good metallurgical bonding with grain roll bearing position matrix surface after laser melting coating processing, have
There are good toughness, intensity and wearability.
Preferably, the cladding layer is prefabricated with a thickness of 1.6~2.0mm.
Preferably, the technological parameter of the laser melting coating is as follows: laser power are as follows: 3.8~4.0KW, rectangular light spot are as follows: 2
× 14mm, overlapping rate are as follows: 30~50%, scanning speed are as follows: 550~700mm/min, protective gas: argon gas, powder feed rate: 2.2
~3.5g/s, powder feeding throughput are as follows: 8L/min.
Detailed description of the invention
Fig. 1 is the outside drawing for the grain roll bearing position laser cladding layer that the method obtains through the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with specific embodiment,
The present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are only used to explain this hair
It is bright, it is not intended to limit the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
The present invention provides a kind of grain roll bearing position laser melting coating alloy powders, very count by weight, described
The mass percentage composition of alloy powder are as follows:
Mn:0.32%~0.43%, B:1.2%~1.3%, Cr:12.5%~16.5%, C:0.03%~0.08%,
Si:0.62~0.8%, surplus Fe.
Preferably, the mass percentage composition of the alloy powder are as follows:
Mn:0.32%, B:1.3%, Cr:16%, C:0.03%, Si:0.8%, surplus Fe.
Preferably, the alloy powder each group is divided into the powder that purity is greater than 99.9%, and granularity is 135~325 mesh.
A kind of grain roll bearing position laser cladding method, comprising the following steps:
(1) the unilateral 0.6~1mm of turning in grain roll bearing position is removed by fretting fatigue layer according to abrasion condition；
(2) it using the bearing position after industrial alcohol cleaning turning, degreases, the impurity such as oxide；
(3) any laser cladding powder of claims 1 to 3 is transported to bearing to be repaired by synchronous powder feeding system
Position carries out laser melting coating, obtains cladding layer by laser scanning；
(4) the defects of surface dye penetrant inspection being carried out to cladding layer, having detected whether crackle；
(5) grinding is used to cladding layer, unilateral stock removal is 1.0mm, obtains dimensional tolerance, finish conforms to
The laser melting coating reparation of grain roll bearing position is completed in the bearing position asked.
Preferably, the cladding layer is prefabricated with a thickness of 1.6~2.0mm.
Preferably, the technological parameter of the laser melting coating is as follows: laser power are as follows: 3.8~4.0KW, rectangular light spot are as follows: 2
× 14mm, overlapping rate are as follows: 30~50%, scanning speed are as follows: 550~700mm/min, protective gas: argon gas, powder feed rate: 2.2
~3.5g/s, powder feeding throughput are as follows: 8L/min.
Below in conjunction with specific embodiment, the present invention is further elaborated.
Embodiment:
(1) the unilateral turning 1mm in grain roll bearing position is removed by fretting fatigue layer according to abrasion condition；
(2) it using the bearing position after industrial alcohol cleaning turning, degreases, the impurity such as oxide；
(3) laser cladding powder, the alloy powder each group are prepared according to the mass percentage composition of following alloy powder
It is divided into the powder that purity is greater than 99.9%, granularity is 135~325 mesh: Mn:0.32%, B:1.3%, Cr:16%, C:0.03%,
Laser cladding powder is transported to bearing position to be repaired by synchronous powder feeding system by Si:0.8%, surplus Fe, by laser scanning,
Laser melting coating is carried out, obtains cladding layer, the technological parameter of the laser melting coating is as follows: laser power are as follows: 4.0KW, rectangular light spot
Are as follows: 2 × 14mm, overlapping rate are as follows: 50%, scanning speed are as follows: 700mm/min, protective gas: argon gas, powder feed rate: 3.5g/s,
Powder feeding throughput are as follows: 8L/min, the cladding layer it is prefabricated with a thickness of 2.0mm；
(4) the defects of surface dye penetrant inspection being carried out to cladding layer, having detected whether crackle；
(5) grinding is used to cladding layer, unilateral stock removal is 1.0mm, obtains dimensional tolerance, finish conforms to
The laser melting coating reparation of grain roll bearing position is completed in the bearing position asked.
It is molten according to the grain roll bearing position laser melting coating alloy powder of said ratio and grain roll bearing position laser
Coating method uses alloy chilled grain roll to be tested for substrate, the chemical component of the alloy chilled grain roll such as table 1
It is shown:
Table 1
| C | Si | Mn | Cr | Ni | Mo |
| 2.9-3.8% | 0.4-1.0% | 0.2-1.0% | 0.2-0.6% | — | 0.2-0.6% |
Experimental result is following (protective gas used by this is tested is equal are as follows: argon gas):
Continuous multi-track overlapping experimental result is as shown in table 2:
Table 2
After the completion of above-mentioned test, all sample cladding layers are sprawled uniformly, and smooth, cladding layer thickness is 2.0mm；Pass through table
The clad layer surface of smooth no spot is obtained after the grinding process of face；Penetrant inspection, all samples are carried out to sample by flaw detection agent
Cladding layer is not cracked.
Using the microhardness of microhardness testers measurement bearing position cladding area and the microhardness and observation of bearing position substrate
The binder course metallographic structure of cladding layer and substrate.
The hardness of cladding layer is (4 samples are averaged) as shown in table 3:
Table 3
| Sample 1 | Sample 2 | Sample 3 | Sample 4 |
| 210HV | 220HV | 215HV | 218HV |
The microhardness of substrate 4 is as shown in table 4:
Table 4
| Hardness 1 | Hardness 2 | Hardness 3 | Hardness 4 |
| 170HV | 178HV | 175HV | 185HV |
The above test results show that bearing position cladding layer hardness is significantly increased compared to bearing position original cast iron base material hardness.
The appearance of grain roll bearing position laser cladding layer is as shown in Figure 1, laser cladding layer is well combined with substrate, cladding
The defects of not finding crackle after layer dye penetrant inspection, shows excellent wear-resisting property after actual use, bearing position laser is molten at this
After covering reparation, by online continuous use in 6 months, does not find to wear and scratch, appearance is still good.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (6)
1. a kind of grain roll bearing position laser melting coating alloy powder, which is characterized in that by weight percentage, the alloy
The mass percentage composition of powder are as follows:
Mn:0.32%~0.43%, B:1.2%~1.3%, Cr:12.5%~16.5%, C:0.03%~0.08%, Si:
0.62~0.8%, surplus Fe.
2. grain roll bearing according to claim 1 position laser melting coating alloy powder, which is characterized in that the alloy
The mass percentage composition of powder are as follows:
Mn:0.32%, B:1.3%, Cr:16%, C:0.03%, Si:0.8%, surplus Fe.
3. grain roll bearing according to claim 1 or 2 position laser melting coating alloy powder, which is characterized in that described
Alloy powder each group is divided into the powder that purity is greater than 99.9%, and granularity is 135~325 mesh.
4. a kind of grain roll bearing position laser cladding method, which comprises the following steps:
(1) the unilateral 0.6~1mm of turning in grain roll bearing position is removed by fretting fatigue layer according to abrasion condition；
(2) it using the bearing position after industrial alcohol cleaning turning, degreases, the impurity such as oxide；
(3) any laser cladding powder of claims 1 to 3 is transported to bearing position to be repaired by synchronous powder feeding system, led to
Laser scanning is crossed, laser melting coating is carried out, obtains cladding layer；
(4) the defects of surface dye penetrant inspection being carried out to cladding layer, having detected whether crackle；
(5) grinding is used to cladding layer, unilateral stock removal is 1.0mm, and it is satisfactory to obtain dimensional tolerance, finish
The laser melting coating reparation of grain roll bearing position is completed in bearing position.
5. grain roll bearing according to claim 4 position laser cladding method, which is characterized in that the cladding layer it is pre-
System is with a thickness of 1.6~2.0mm.
6. grain roll bearing according to claim 4 position laser cladding method, which is characterized in that the laser melting coating
Technological parameter is as follows: laser power are as follows: 3.8~4.0KW, rectangular light spot are as follows: 2 × 14mm, overlapping rate are as follows: and 30~50%, scanning
Speed are as follows: 550~700mm/min, protective gas: argon gas, powder feed rate: 2.2~3.5g/s, powder feeding throughput are as follows: 8L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653799.7A CN110257826A (en) | 2019-07-19 | 2019-07-19 | Grain roll bearing position laser cladding method and laser melting coating alloy powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653799.7A CN110257826A (en) | 2019-07-19 | 2019-07-19 | Grain roll bearing position laser cladding method and laser melting coating alloy powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110257826A true CN110257826A (en) | 2019-09-20 |
Family
ID=67927114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910653799.7A Pending CN110257826A (en) | 2019-07-19 | 2019-07-19 | Grain roll bearing position laser cladding method and laser melting coating alloy powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110257826A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732800A (en) * | 2019-10-25 | 2020-01-31 | 神华神东煤炭集团有限责任公司 | Iron-based alloy composition for repairing middle tank and repairing method of middle tank |
| CN111996525A (en) * | 2020-07-08 | 2020-11-27 | 北京航空航天大学 | Laser surface strengthening method for improving surface quality and performance of high-carbon steel member |
| CN112981389A (en) * | 2019-12-14 | 2021-06-18 | 丹阳宏图激光科技有限公司 | Laser repair method for propeller shaft |
| CN113061885A (en) * | 2021-03-24 | 2021-07-02 | 马鞍山钢铁股份有限公司 | Laser cladding repair method for circular cooler bend |
| CN113403542A (en) * | 2021-06-24 | 2021-09-17 | 张云江 | Alloy powder for H13 steel die repair and laser repair method |
| CN113564583A (en) * | 2021-07-27 | 2021-10-29 | 安阳睿恒数控机床股份有限公司 | Laser cladding wear-resisting plate and preparation method thereof |
| CN114016020A (en) * | 2021-11-09 | 2022-02-08 | 宜宾上交大新材料研究中心 | Method for improving corrosion resistance and wear resistance of cast iron and cast iron material |
| CN114892100A (en) * | 2022-05-09 | 2022-08-12 | 西安必盛激光科技有限公司 | Alloy powder for laser cladding of small cold-rolled working roll and cladding method |
| CN115110076A (en) * | 2022-06-07 | 2022-09-27 | 湘潭大学 | Method for ultrahigh-speed laser cladding of nodular cast iron shaft parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0344310B1 (en) * | 1986-12-15 | 1994-03-09 | Kabushiki Kaisha Komatsu Seisakusho | Laser padding material and method for laser padding using same |
| CN106498308A (en) * | 2016-12-29 | 2017-03-15 | 沈阳大陆激光工程技术有限公司 | A kind of wear-resisting heat-resisting alloy material for small material roll laser alloying |
| CN107620060A (en) * | 2016-08-25 | 2018-01-23 | 机械科学研究总院先进制造技术研究中心 | A kind of laser melting coating metal dust for repairing 160CrNiMo ferrosteel rolls |
| CN108251836A (en) * | 2018-02-01 | 2018-07-06 | 张文秀 | A kind of laser surface alloying method of hot roll |
-
2019
- 2019-07-19 CN CN201910653799.7A patent/CN110257826A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0344310B1 (en) * | 1986-12-15 | 1994-03-09 | Kabushiki Kaisha Komatsu Seisakusho | Laser padding material and method for laser padding using same |
| CN107620060A (en) * | 2016-08-25 | 2018-01-23 | 机械科学研究总院先进制造技术研究中心 | A kind of laser melting coating metal dust for repairing 160CrNiMo ferrosteel rolls |
| CN106498308A (en) * | 2016-12-29 | 2017-03-15 | 沈阳大陆激光工程技术有限公司 | A kind of wear-resisting heat-resisting alloy material for small material roll laser alloying |
| CN108251836A (en) * | 2018-02-01 | 2018-07-06 | 张文秀 | A kind of laser surface alloying method of hot roll |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732800A (en) * | 2019-10-25 | 2020-01-31 | 神华神东煤炭集团有限责任公司 | Iron-based alloy composition for repairing middle tank and repairing method of middle tank |
| CN110732800B (en) * | 2019-10-25 | 2021-09-03 | 神华神东煤炭集团有限责任公司 | Iron-based alloy composition for repairing middle tank and repairing method of middle tank |
| CN112981389A (en) * | 2019-12-14 | 2021-06-18 | 丹阳宏图激光科技有限公司 | Laser repair method for propeller shaft |
| CN111996525A (en) * | 2020-07-08 | 2020-11-27 | 北京航空航天大学 | Laser surface strengthening method for improving surface quality and performance of high-carbon steel member |
| CN113061885A (en) * | 2021-03-24 | 2021-07-02 | 马鞍山钢铁股份有限公司 | Laser cladding repair method for circular cooler bend |
| CN113403542A (en) * | 2021-06-24 | 2021-09-17 | 张云江 | Alloy powder for H13 steel die repair and laser repair method |
| CN113564583A (en) * | 2021-07-27 | 2021-10-29 | 安阳睿恒数控机床股份有限公司 | Laser cladding wear-resisting plate and preparation method thereof |
| CN114016020A (en) * | 2021-11-09 | 2022-02-08 | 宜宾上交大新材料研究中心 | Method for improving corrosion resistance and wear resistance of cast iron and cast iron material |
| CN114016020B (en) * | 2021-11-09 | 2023-11-21 | 宜宾上交大新材料研究中心 | Method for improving corrosion resistance and wear resistance of cast iron and cast iron material |
| CN114892100A (en) * | 2022-05-09 | 2022-08-12 | 西安必盛激光科技有限公司 | Alloy powder for laser cladding of small cold-rolled working roll and cladding method |
| CN114892100B (en) * | 2022-05-09 | 2023-02-10 | 西安必盛激光科技有限公司 | Alloy powder for laser cladding of small cold-rolled working roll and cladding method |
| CN115110076A (en) * | 2022-06-07 | 2022-09-27 | 湘潭大学 | Method for ultrahigh-speed laser cladding of nodular cast iron shaft parts |
| CN115110076B (en) * | 2022-06-07 | 2024-02-06 | 湘潭大学 | Method for cladding ductile iron shaft parts by ultra-high-speed laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110257826A (en) | Grain roll bearing position laser cladding method and laser melting coating alloy powder | |
| EP3084026B1 (en) | Powder for surface coating | |
| CN109468634A (en) | A kind of laser melting and coating technique restores the process of milling train step pad precision | |
| CN102189316B (en) | Submerged-arc welding overlaying repairing method for stainless steel hot rolled delivery roll | |
| CN109371396B (en) | Laser repairing method for high-carbon hard-surface crack-free large-thickness cold roll | |
| CN111304649B (en) | Preparation method of QT800 nodular cast iron bearing bush wear-resistant layer | |
| CN111945156A (en) | Method for preparing centrifugal roller through laser cladding | |
| CN108265290A (en) | A kind of surface reinforcing method of natural gas reciprocating compressor piston rod | |
| CN111945154A (en) | Iron-based alloy powder for laser cladding and laser cladding method | |
| CN112063934A (en) | Laser cladding iron-based alloy powder for repairing steam turbine rotor shaft neck, and preparation and application thereof | |
| CN110747458A (en) | Method for repairing crankshaft of hot-rolling fixed-width press | |
| CN113832461A (en) | Nickel-based alloy powder for laser cladding, ceramic particle reinforced composite powder and application | |
| CN103817320A (en) | Cobalt-based composite powder used for restoring rack of rolling mill and method for restoring rack of rolling mill | |
| CN111020563A (en) | Remanufacturing method for direct laser cladding of failure carburized and quenched part | |
| CN106891107A (en) | Hot rolled seamless steel tube mandrel surface composite-making process method | |
| CN112877569A (en) | Nickel-based alloy powder for laser cladding and laser cladding method | |
| CN110666386B (en) | Research method for improving performance parameters of argon arc welding surfacing process | |
| CN107937860A (en) | A kind of preparation method of argon arc remelting Fe base wearing layers | |
| CN108453467A (en) | A method of manufacturing bending roll using technology for repairing surfacing | |
| CN111378897B (en) | Roll surface repairing material of wrapper roll and laser cladding remanufacturing method of wrapper roll | |
| CN106567069A (en) | Laser repairing method of hot roll good in laser cladding effect | |
| CN106567071A (en) | Low roller deformation hot roller laser repair method | |
| CN106567065A (en) | Laser repairing method for allowing roller surface of hot roller to have good thermal hardness after repairing | |
| CN106567063A (en) | A hot roller laser restoration method allowing surface hardness after restoration to be 58 HRC or above | |
| Garleanu et al. | Effect of chemical composition on hard deposits properties in the case of weld refurbishment of heavy crushing hammers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190920 |