CN112626516A - Propeller surface forming technology based on laser cladding technology - Google Patents

Propeller surface forming technology based on laser cladding technology Download PDF

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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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CN
China
Prior art keywords
propeller
cracks
inspection
laser cladding
crack
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
Application number
CN202011455051.5A
Other languages
Chinese (zh)
Inventor
王湘来
施小健
梅斌贤
袁建军
芦斌
侯进宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHENJIANG TONGZHOU PROPELLER CO Ltd
Original Assignee
ZHENJIANG TONGZHOU PROPELLER CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHENJIANG TONGZHOU PROPELLER CO Ltd filed Critical ZHENJIANG TONGZHOU PROPELLER CO Ltd
Priority to CN202011455051.5A priority Critical patent/CN112626516A/en
Publication of CN112626516A publication Critical patent/CN112626516A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer

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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)
  • 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

Propeller surface forming technology based on laser cladding technology
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.
CN202011455051.5A 2020-12-10 2020-12-10 Propeller surface forming technology based on laser cladding technology Pending CN112626516A (en)

Priority Applications (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

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
CN112626516A true CN112626516A (en) 2021-04-09

Family

ID=75310083

Family Applications (1)

Application Number Title Priority Date Filing Date
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
CN (1) CN112626516A (en)

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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