CN112626516A - Propeller surface forming technology based on laser cladding technology - Google Patents
Propeller surface forming technology based on laser cladding technology Download PDFInfo
- Publication number
- CN112626516A CN112626516A CN202011455051.5A CN202011455051A CN112626516A CN 112626516 A CN112626516 A CN 112626516A CN 202011455051 A CN202011455051 A CN 202011455051A CN 112626516 A CN112626516 A CN 112626516A
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- China
- Prior art keywords
- propeller
- cracks
- inspection
- laser cladding
- crack
- Prior art date
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- Pending
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 30
- 238000004372 laser cladding Methods 0.000 title claims abstract description 18
- 229910000679 solder Inorganic materials 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010297 mechanical methods and process Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 9
- 239000006249 magnetic particle Substances 0.000 claims 1
- 238000011179 visual inspection Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 16
- 230000006872 improvement Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013028 emission testing Methods 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A propeller surface forming technology based on a laser cladding technology comprises the following steps: the surface of the propeller is detected by adopting a nondestructive detection method, and whether cracks exist on the surface of the propeller or not and the number, the position and the shape of the cracks are mainly detected; cleaning the surface of the propeller and the surface of the crack, and removing dirt and an oxide film in the crack and on the surface of the crack; repairing cracks of the propeller by using a laser cladding technology, feeding solder of metal powder into the cracks, irradiating the cracks by using laser beams, and melting the solder powder by using the laser beams to fill the cracks with the solder so as to be tightly combined with the propeller substrate; polishing and finishing the surface-formed propeller blade, and then protecting the propeller blade; the propeller after protection treatment is subjected to quality detection to detect whether the propeller is qualified or not, and the propeller has the advantages of small heat input amount to a base material, small heat affected zone, fine cladding layer structure, easiness in automation realization and the like.
Description
Technical Field
The invention relates to a propeller surface forming technology based on a laser cladding technology.
Background
The working environment of the marine propeller is very severe, so the manufacturing process of the propeller is very complex and the manufacturing cost is very high, however, various crack defects are easy to generate due to the effects of abrasion, impact and the like when the propeller is used, and the blades cannot be repaired and only can be scrapped due to the complex blade material and manufacturing process and the difficulty in crack repair, so that great economic loss is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a propeller surface forming technology based on a laser cladding technology.
A propeller surface forming technology based on a laser cladding technology comprises the following steps:
(1) the surface of the propeller is detected by adopting a nondestructive detection method, and whether cracks exist on the surface of the propeller or not and the number, the position and the shape of the cracks are mainly detected;
(2) cleaning the surface of the propeller and the surface of the crack, and removing dirt and an oxide film in the crack and on the surface of the crack;
(3) repairing cracks of the propeller by using a laser cladding technology, feeding solder of metal powder into the cracks, irradiating the cracks by using laser beams, and melting the solder powder by using the laser beams to fill the cracks with the solder so as to be tightly combined with the propeller substrate;
(4) polishing and finishing the surface-formed propeller blade, and then protecting the propeller blade;
(5) and (5) performing quality detection on the propeller after the protection treatment is completed, and detecting whether the propeller is qualified or not.
As a further improvement, the nondestructive testing method comprises radiographic testing, ultrasonic testing, eddy current testing, magnetic powder testing, penetration testing, visual testing, leakage testing, acoustic emission testing, radioscopy testing and the like.
As a further improvement, the method for cleaning the surface dirt of the propeller comprises a water washing method, and for stubborn dirt in the cracks, an ultrasonic cleaning method can be adopted.
As a further improvement, methods for removing the oxide film include a mechanical method and a chemical reaction method.
As a further improvement, the protection treatment comprises waterproof, antirust and anticorrosion treatment.
Has the advantages that:
the surface of the propeller is formed by adopting a laser cladding technology, and the method has the advantages of small heat input amount to a base material, small heat affected zone, fine cladding layer structure, easiness in realizing automation and the like.
Detailed Description
A propeller surface forming technology based on a laser cladding technology comprises the following steps:
(1) the surface of the propeller is detected by adopting a nondestructive detection method, and whether cracks exist on the surface of the propeller or not and the number, the position and the shape of the cracks are mainly detected;
(2) cleaning the surface of the propeller and the surface of the crack, and removing dirt and an oxide film in the crack and on the surface of the crack;
(3) repairing cracks of the propeller by using a laser cladding technology, feeding solder of metal powder into the cracks, irradiating the cracks by using laser beams, and melting the solder powder by using the laser beams to fill the cracks with the solder so as to be tightly combined with the propeller substrate;
(4) polishing and finishing the surface-formed propeller blade, and then protecting the propeller blade;
(5) and (5) performing quality detection on the propeller after the protection treatment is completed, and detecting whether the propeller is qualified or not.
The nondestructive testing method comprises radiographic testing, ultrasonic testing, eddy current testing, magnetic powder testing, penetration testing, visual testing, leakage testing, acoustic emission testing, radiographic testing and the like.
The method for cleaning the surface dirt of the propeller comprises a water washing method, and for stubborn dirt in cracks, an ultrasonic cleaning method can be adopted.
Among them, the method of removing the oxide film includes a mechanical method and a chemical reaction method.
Wherein the protection treatment comprises waterproof, antirust and anticorrosion treatment.
The surface of the propeller is formed by adopting a laser cladding technology, and the method has the advantages of small heat input amount to a base material, small heat affected zone, fine cladding layer structure, easiness in realizing automation and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A propeller surface forming technology based on a laser cladding technology is characterized by comprising the following steps:
(1) the surface of the propeller is detected by adopting a nondestructive detection method, and whether cracks exist on the surface of the propeller or not and the number, the position and the shape of the cracks are mainly detected;
(2) cleaning the surface of the propeller and the surface of the crack, and removing dirt and an oxide film in the crack and on the surface of the crack;
(3) repairing cracks of the propeller by using a laser cladding technology, feeding solder of metal powder into the cracks, irradiating the cracks by using laser beams, and melting the solder powder by using the laser beams to fill the cracks with the solder so as to be tightly combined with the propeller substrate;
(4) polishing and finishing the surface-formed propeller blade, and then protecting the propeller blade;
(5) and (5) performing quality detection on the propeller after the protection treatment is completed, and detecting whether the propeller is qualified or not.
2. The propeller surface forming technology based on the laser cladding technology as claimed in claim 1, wherein the nondestructive inspection method comprises radiographic inspection, ultrasonic inspection, eddy current inspection, magnetic particle inspection, penetration inspection, visual inspection, leakage inspection, acoustic emission inspection, radioscopy inspection, and the like.
3. The propeller surface forming technology based on the laser cladding technology as claimed in claim 1, wherein the method for cleaning the surface dirt of the propeller comprises a water washing method, and for the stubborn dirt in the cracks, an ultrasonic cleaning method can be adopted.
4. The propeller surface forming technology based on the laser cladding technology as claimed in claim 1, wherein the method for removing the oxide film comprises a mechanical method and a chemical reaction method.
5. The propeller surface forming technology based on the laser cladding technology as claimed in claim 1, wherein the protection treatment comprises waterproof, antirust and anticorrosion treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011455051.5A CN112626516A (en) | 2020-12-10 | 2020-12-10 | Propeller surface forming technology based on laser cladding technology |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011455051.5A CN112626516A (en) | 2020-12-10 | 2020-12-10 | Propeller surface forming technology based on laser cladding technology |
Publications (1)
Publication Number | Publication Date |
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CN112626516A true CN112626516A (en) | 2021-04-09 |
Family
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Family Applications (1)
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CN202011455051.5A Pending CN112626516A (en) | 2020-12-10 | 2020-12-10 | Propeller surface forming technology based on laser cladding technology |
Country Status (1)
Country | Link |
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CN (1) | CN112626516A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09159418A (en) * | 1995-12-11 | 1997-06-20 | Sumitomo Heavy Ind Ltd | Method and equipment for measuring shape of three-dimensional curved surface molding |
CN105369246A (en) * | 2015-11-02 | 2016-03-02 | 鲁一军 | Propeller surface strengthening process |
CN109267065A (en) * | 2018-11-26 | 2019-01-25 | 江苏科技大学 | A kind of boat adjustable propeller injury repair device and its restorative procedure |
CN110396690A (en) * | 2019-08-08 | 2019-11-01 | 湘潭大学 | A kind of nickel-aluminum bronze surface laser cladding amorphous composite coating and preparation method thereof |
CN111074265A (en) * | 2019-12-18 | 2020-04-28 | 江苏大学 | Laser cladding anti-cavitation coating and preparation method thereof |
CN111850546A (en) * | 2020-06-28 | 2020-10-30 | 华中科技大学 | Method for repairing nickel-aluminum bronze part through laser cladding and product thereof |
-
2020
- 2020-12-10 CN CN202011455051.5A patent/CN112626516A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09159418A (en) * | 1995-12-11 | 1997-06-20 | Sumitomo Heavy Ind Ltd | Method and equipment for measuring shape of three-dimensional curved surface molding |
CN105369246A (en) * | 2015-11-02 | 2016-03-02 | 鲁一军 | Propeller surface strengthening process |
CN109267065A (en) * | 2018-11-26 | 2019-01-25 | 江苏科技大学 | A kind of boat adjustable propeller injury repair device and its restorative procedure |
CN110396690A (en) * | 2019-08-08 | 2019-11-01 | 湘潭大学 | A kind of nickel-aluminum bronze surface laser cladding amorphous composite coating and preparation method thereof |
CN111074265A (en) * | 2019-12-18 | 2020-04-28 | 江苏大学 | Laser cladding anti-cavitation coating and preparation method thereof |
CN111850546A (en) * | 2020-06-28 | 2020-10-30 | 华中科技大学 | Method for repairing nickel-aluminum bronze part through laser cladding and product thereof |
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Application publication date: 20210409 |