CN111945153A - Multi-source laser multi-channel integrated restoration method for metal surface - Google Patents
Multi-source laser multi-channel integrated restoration method for metal surface Download PDFInfo
- Publication number
- CN111945153A CN111945153A CN202010777080.7A CN202010777080A CN111945153A CN 111945153 A CN111945153 A CN 111945153A CN 202010777080 A CN202010777080 A CN 202010777080A CN 111945153 A CN111945153 A CN 111945153A
- Authority
- CN
- China
- Prior art keywords
- laser
- repairing
- cleaning
- repair
- equipment
- 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
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
Abstract
The invention discloses a multi-source laser multi-channel integrated repairing method for a metal surface. The method comprises the following steps: determining the property of the part to be repaired; determining the surface state of the part to be repaired according to the property of the part to be repaired; determining a laser repair path and a repair mode according to the surface state; the repair mode comprises multi-source laser multi-channel coupling simultaneous parallel operation and multi-source laser multi-channel coupling step-by-step operation; determining the optimal technological parameters of the laser cleaning and repairing system; and cleaning and repairing the to-be-repaired piece through a laser cleaning and repairing system according to the laser repairing path, the repairing mode and the optimal process parameters. The invention solves the problem of low step-by-step implementation efficiency of the existing laser repair technology, realizes the method of laser 'washing-repairing' integrated operation on the surface of the metal piece, improves the surface cleanliness, repairs the surface damage defect, simultaneously improves the laser repair quality and efficiency of the metal piece, and reduces the equipment loading and procedures in the repair process.
Description
Technical Field
The invention relates to the field of metal surface repair, in particular to a multi-source laser multi-channel integrated repair method for a metal surface.
Background
High quality repair of metal surfaces is an important guarantee for equipment performance recovery and reliability service. The quality and the efficiency of repairing the surface damage of the metal part are required, and the current high-quality maintenance requirement is difficult to meet by the existing metal part repairing technology. On one hand, the traditional mechanical/chemical cleaning and repairing means are relatively extensive, the re-damage of the substrate is easily caused, the re-failure of the substrate or the surface of the repairing layer due to corrosion, oxidation and the like can be caused by the step-by-step implementation of gaps, and the maintenance quality is difficult to ensure; on the other hand, the surface cleaning, repairing and post-processing of the traditional maintenance are implemented step by step, a plurality of repairing devices load the same repairing surface step by step, the cleaning and drying treatment is needed after the cleaning, the cleaning and the maintenance are split, the repairing process is discontinuous, a plurality of devices are used, the efficiency is low, the repairing requirements are obviously not in accordance with the high-quality, high-efficiency and intelligent device repairing requirements, and the defect that the existing repairing technology falls behind is more obvious along with the accelerated application of new devices and new materials. The laser technology has the characteristics of high flexibility, high quality, multifunction and the like, and is praised as a future universal processing tool. At present, the surface functionalization of the substrate after laser cleaning needs to be completed step by using an advanced cleaning technology with high efficiency as an important characteristic.
Disclosure of Invention
The invention aims to provide a multi-source laser multi-channel integrated repairing method for a metal surface, which solves the problem that the existing laser repairing technology is low in step-by-step implementation efficiency, realizes a method for performing laser 'washing-repairing' integrated operation on the surface of a metal part, improves the surface cleanliness, repairs surface damage defects, improves the laser repairing quality and efficiency of the metal part, and reduces equipment loading and procedures in the repairing process.
In order to achieve the purpose, the invention provides the following scheme:
a multi-source laser multi-channel integrated repairing method for a metal surface comprises the following steps:
determining the property of the part to be repaired;
determining the surface state of the part to be repaired according to the property of the part to be repaired;
determining a laser repair path and a repair mode according to the surface state; the repair mode comprises multi-source laser multi-channel coupling simultaneous parallel operation and multi-source laser multi-channel coupling step-by-step operation;
determining the optimal technological parameters of the laser cleaning and repairing system;
and cleaning and repairing the to-be-repaired piece through a laser cleaning and repairing system according to the laser repairing path, the repairing mode and the optimal process parameters.
Optionally, the determining the optimal process parameter of the laser cleaning and repairing system specifically includes:
obtaining a test piece to be repaired;
determining a property of the test piece;
determining the surface state of the test piece according to the property of the test piece;
determining a laser repair path of the test piece and a repair mode of the test piece according to the surface state of the test piece;
and performing trial cleaning on the test piece through the laser cleaning and repairing system according to the laser repairing path of the test piece and the repairing mode of the test piece to determine the optimal process parameters.
Optionally, the laser cleaning and repairing system includes: the device comprises laser cleaning equipment, laser shock strengthening equipment, laser material adding equipment, laser polishing equipment and laser heat treatment equipment.
Optionally, the trial cleaning is performed on the test piece through the laser cleaning and repairing system according to the laser repairing path of the test piece and the repairing mode of the test piece, so as to determine the optimal process parameters, and the method specifically includes:
starting laser shock peening equipment, adjusting parameters of the laser shock peening equipment, and determining an optimal laser shock peening process;
starting laser material adding equipment, adjusting parameters of the laser material adding equipment, and determining an optimal laser material adding process;
starting laser polishing equipment, adjusting parameters of the laser polishing equipment, and determining an optimal laser polishing process;
starting laser heat treatment equipment, adjusting parameters of the laser heat treatment equipment, and determining an optimal laser heat treatment process.
Optionally, the trial cleaning is performed on the test piece through the laser cleaning and repairing system according to the laser repairing path of the test piece and the repairing mode of the test piece, so as to determine the optimal process parameters, further comprising:
when the laser cleaning energy density is within the cleaning damage threshold, selecting the laser energy density which is the largest and is less than the ablation threshold of the dirt layer;
and when the laser shock peening/polishing and the additive energy density are within the matrix damage threshold, selecting the laser energy density which is the largest and is less than the matrix damage threshold.
Optionally, the cleaning and repairing the to-be-repaired part by using a laser cleaning and repairing system according to the laser repairing path, the repairing mode and the optimal process parameter specifically includes:
and starting a laser repairing system, wherein before laser cleaning, after laser repairing, laser is enabled to scan, clean and repair the surface of the part to be repaired at a preset speed and the repairing path.
Optionally, the laser repairing system is started, the laser cleaning is performed before, the laser repairing is performed after, and the laser is scanned, cleaned and repaired on the surface of the to-be-repaired piece at a preset speed and in the repairing path, specifically including:
starting the laser cleaning equipment and the laser shock peening equipment, simultaneously cleaning and shock peening the surface of the to-be-repaired piece in parallel or in sequence before laser cleaning and after laser shock peening, and obtaining a strengthening layer on the surface after cleaning so as to strengthen the surface performance of the cleaned metal piece;
or starting laser cleaning equipment, namely, cleaning and polishing the surface of the to-be-repaired piece simultaneously in parallel or in sequence before laser cleaning and after laser polishing, and obtaining a remelted layer on the surface after cleaning so as to realize surface polishing of the cleaned metal piece;
or starting the laser cleaning equipment, the laser material adding equipment and the laser strengthening/polishing equipment, after laser cleaning, adopting visual inspection, an endoscope or a surface profiler to represent the surface damage or defect state, determining the part needing material adding repair, generating a laser material adding repair route plan, and simultaneously, parallelly or sequentially adding materials and strengthening/polishing the surface of the part to be repaired through the laser material adding, strengthening and polishing processes so as to realize the surface repair and strengthening of the cleaned metal part.
Optionally, the focal length of the laser of each device in the laser cleaning and repairing system is 50mm-1000mm, and the scanning speed is 2mm/s-3000 mm/s.
Optionally, the laser spot pitch of each device in the laser cleaning and repairing system is 10mm-50mm, and the laser sequential scanning time interval is 0.1s-60 s.
Optionally, the laser used by the laser cleaning and repairing system is a solid laser, a carbon dioxide laser or a fiber laser.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
(1) the repair method disclosed by the invention integrates cleaning and repair in the laser cleaning process, reduces the equipment amount for cleaning and repairing the surface of the metal part by laser, and improves the laser repair efficiency of the metal part.
(2) The repairing method disclosed by the invention can realize the fine cleaning of the surface of the part to be repaired, the secondary damage to the matrix is obviously reduced, and the surface performance of the material is improved by parallel simultaneous or sequential surface strengthening or repairing treatment.
(3) The repairing method disclosed by the invention adopts the mutual matching of a plurality of laser sources, can seamlessly combine to complete the operation by only using one repairing terminal, has good controllability and is convenient for realizing automatic production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of a multi-source laser multi-channel integrated repairing method for a metal surface, which is disclosed by the invention;
FIG. 2 is a scanning electron microscope image of a 500W laser cleaned titanium alloy clean surface and a schematic view of the elemental composition and distribution thereof according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the polished 316L iron-based alloy surface three-dimensional micro-morphology and roughness of the second embodiment of the invention, namely laser cleaning and laser polishing, which are repaired simultaneously;
FIG. 4 is a schematic view of the aluminum alloy surface micro-morphology and the surface stress state thereof after the oil stain on the surface of the iron-based alloy of the third 316L embodiment of the present invention is subjected to carbon deposition cleaning-surface strengthening parallel simultaneous integrated repair;
FIG. 5 is a schematic diagram of the shape of a cross-sectional structure of a 316L iron-based alloy after surface additive repair, which is obtained by four steps of laser cleaning, laser additive and laser shock peening according to the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a multi-source laser multi-channel integrated repairing method for a metal surface, which solves the problem that the existing laser repairing technology is low in step-by-step implementation efficiency, realizes a method for performing laser 'washing-repairing' integrated operation on the surface of a metal part, improves the surface cleanliness, repairs surface damage defects, improves the laser repairing quality and efficiency of the metal part, and reduces equipment loading and procedures in the repairing process.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIG. 1, the multi-source laser multi-channel integrated repair method for the metal surface disclosed by the invention comprises the following steps:
step 101: determining the property of the part to be repaired; the properties of the part to be repaired comprise material properties, service environment and the like.
Step 102: and determining the surface state of the part to be repaired according to the property of the part to be repaired.
Step 103: determining a laser repair path and a repair mode according to the surface state; the repair mode comprises multi-source laser multi-channel coupling simultaneous parallel operation and multi-source laser multi-channel coupling step-by-step operation.
Step 104: and determining the optimal technological parameters of the laser cleaning and repairing system. The method specifically comprises the following steps:
step 1041: obtaining a test piece to be repaired;
step 1042: determining a property of the test piece;
step 1043: determining the surface state of the test piece according to the property of the test piece;
step 1044: determining a laser repair path of the test piece and a repair mode of the test piece according to the surface state of the test piece;
step 1045: and performing trial cleaning on the test piece through the laser cleaning and repairing system according to the laser repairing path of the test piece and the repairing mode of the test piece to determine the optimal process parameters.
The laser cleaning and repair system comprises: the device comprises laser cleaning equipment, laser shock strengthening equipment, laser material adding equipment, laser polishing equipment and laser heat treatment equipment.
Positioning and placing a test piece to be cleaned on a workbench, starting a laser cleaning and repairing system, and performing test cleaning by adopting layered laser stripping with parameters such as low power, high scanning speed, adjustment frequency, pulse width and the like to determine the optimal one-time laser cleaning process parameters
Starting laser shock peening equipment, adjusting parameters of the laser shock peening equipment, and determining an optimal laser shock peening process.
Starting laser material increasing equipment, adjusting parameters of the laser material increasing equipment, and determining an optimal laser material increasing process.
And starting the laser polishing equipment, adjusting the parameters of the laser polishing equipment, and determining the optimal laser polishing process.
Starting laser heat treatment equipment, adjusting parameters of the laser heat treatment equipment, and determining an optimal laser heat treatment process.
When the laser cleaning energy density is within the cleaning damage threshold, the laser energy density which is the largest and is less than the ablation threshold of the dirt layer is selected.
And when the laser shock peening/polishing and the additive energy density are within the matrix damage threshold, selecting the laser energy density which is the largest and is less than the matrix damage threshold.
Step 105: and cleaning and repairing the to-be-repaired piece through a laser cleaning and repairing system according to the laser repairing path, the repairing mode and the optimal process parameters.
And starting a laser repairing system, wherein before laser cleaning, after laser repairing, laser is enabled to scan, clean and repair the surface of the part to be repaired at a preset speed and the repairing path.
Starting the laser cleaning equipment and the laser shock peening equipment, simultaneously cleaning and shock peening the surface of the to-be-repaired piece in parallel or in sequence before laser cleaning and after laser shock peening, and obtaining a strengthening layer on the surface after cleaning so as to strengthen the surface performance of the cleaned metal piece;
or starting laser cleaning equipment, namely, cleaning and polishing the surface of the to-be-repaired piece simultaneously in parallel or in sequence before laser cleaning and after laser polishing, and obtaining a remelted layer on the surface after cleaning so as to realize surface polishing of the cleaned metal piece;
or starting the laser cleaning equipment, the laser material adding equipment and the laser strengthening/polishing equipment, after laser cleaning, adopting visual inspection, an endoscope or a surface profiler to represent the surface damage or defect state, determining the part needing material adding repair, generating a laser material adding repair route plan, and simultaneously, parallelly or sequentially adding materials and strengthening/polishing the surface of the part to be repaired through the laser material adding, strengthening and polishing processes so as to realize the surface repair and strengthening of the cleaned metal part.
In the implementation, the laser focal length of each device in the laser cleaning and repairing system is 50mm-1000mm, the scanning speed is 2mm/s-3000mm/s, the laser spot spacing is 10mm-50mm, the laser sequential scanning time interval is 0.1s-60s, and the laser adopted by the laser cleaning and repairing system is a solid laser, a carbon dioxide laser or a fiber laser.
The first embodiment is as follows:
the method disclosed by the invention is used for carrying out laser cleaning on the oil stain on the surface of the titanium alloy, a scanning electron microscope and an energy spectrometer are adopted to test the micro morphology and the components of the cleaned titanium alloy surface, and the composition and the distribution of surface elements after the laser cleaning of the carbon deposit on the titanium alloy surface are shown in figure 2.
Example two:
according to the method disclosed by the invention, the oil stain on the surface of the 316L iron-based alloy is integrally repaired in a parallel and simultaneous manner, namely two laser light sources are adopted and emitted by different lasers, the surface of the 316L iron-based alloy is respectively cleaned and polished in tandem, the cleaning laser is carried out before, and the laser is polished; the average power of the cleaning laser is 300W, the average power of the laser polishing is 500W, the distance between the light spots of the two laser beams is 5mm, the moving speed of the light spots of the two laser beams is 10mm/s, and the sequential scanning time interval of the two laser beams is 1 s. The three-dimensional micro-morphology and the roughness of the polished 316L iron-based alloy surface are shown in figure 3, and the energy density is 9.43J/cm2The roughness is minimum, which shows that the laser polishing has great influence on the flatness of the cleaned substrate.
Example three:
according to the method disclosed by the invention, carbon deposition cleaning-surface strengthening are carried out on oil stains on the surface of the 316L iron-based alloy, and the oil stains are simultaneously and integrally repaired in parallel, namely two laser light sources are adopted and emitted by different lasers, the surface of the 316L iron-based alloy is respectively cleaned and strengthened in tandem, the cleaning laser is carried out before, and the laser shock strengthening is carried out after; the average power of the cleaning laser is 300W, the average power of the laser shock peening is 500W, the distance between the light spots of the two laser beams is 10mm, the moving speed of the light spots of the two laser beams is 5mm/s, and the sequential scanning time interval of the two laser beams is 1 s; selecting laser shock strengthening laser wavelength to be 1064nm, repetition frequency to be 6kHz, laser pulse width to be 80ns, output power to be 500W, and square light spot size to be 4mm multiplied by 4 mm; the microstructure and the surface stress state of the 316L iron-based alloy after impact strengthening and repairing are shown in FIG. 4, and it can be seen from the figure that the surface of the matrix presents the pressure stress characteristic after laser impact strengthening.
Example four:
according to the method disclosed by the invention, the oil stain on the surface of the 316L iron-based alloy is integrally repaired step by step in sequence, namely, the oil stain is firstly repaired in three steps according to the sequence of cleaning, material increasing and strengthening, and a certain time interval is reserved between each step. Selecting additive laser as continuous laser, wherein the average power is 1000W, the laser shock strengthening laser wavelength is 1064nm, the repetition frequency is 6kHz, the laser pulse width is 80ns, the output power is 500W, and the square spot size is 4mm multiplied by 4 mm; the microstructure of the surface of the 316L iron-based alloy after additive repair is shown in figure 5, a narrow and long bonding area is arranged at the bonding position of the additive repair layer prepared under five scanning speed parameters and the substrate, which proves that the 316L iron-based alloy additive repair layer is metallurgically bonded with the substrate at different scanning speeds, and as shown in figure (a), the tissue of the upper area of the bonding area is a slender columnar crystal and a dendritic crystal tissue with larger size at the scanning speed of 400 mm/min; graph (b) the upper region of the junction is mainly columnar grains, dendrites and a small amount of cellular structures, and the sizes of the columnar grains and dendrites are obviously smaller than that of graph (a); the structure shown in the graph (c) has a reduced number of cells, a slightly larger columnar crystal size than the graph (b), and a large number of dendrite structures having a small size and a random growth direction; in the diagram (d), the number of the columnar crystals and the dendrites is increased and the size is obviously increased compared with the diagram (c), the structure of the upper area in the diagram (e) is similar to that in the diagram (d) and is a thicker columnar crystal and dendrite structure, and after the material is added and repaired, the laser shock strengthening is carried out on the repairing layer by adopting the method of 'embodiment three'.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A multi-source laser multi-channel integrated repairing method for a metal surface is characterized by comprising the following steps:
determining the property of the part to be repaired;
determining the surface state of the part to be repaired according to the property of the part to be repaired;
determining a laser repair path and a repair mode according to the surface state; the repair mode comprises multi-source laser multi-channel coupling simultaneous parallel operation and multi-source laser multi-channel coupling step-by-step operation;
determining the optimal technological parameters of the laser cleaning and repairing system;
and cleaning and repairing the to-be-repaired piece through a laser cleaning and repairing system according to the laser repairing path, the repairing mode and the optimal process parameters.
2. The multi-source laser multi-channel integrated repair method for the metal surface according to claim 1, wherein the determining of the optimal process parameters of the laser cleaning and repair system specifically comprises:
obtaining a test piece to be repaired;
determining a property of the test piece;
determining the surface state of the test piece according to the property of the test piece;
determining a laser repair path of the test piece and a repair mode of the test piece according to the surface state of the test piece;
and performing trial cleaning on the test piece through the laser cleaning and repairing system according to the laser repairing path of the test piece and the repairing mode of the test piece to determine the optimal process parameters.
3. The multi-source laser multi-channel integrated repair method for the metal surface according to claim 2, wherein the laser cleaning and repair system comprises: the device comprises laser cleaning equipment, laser shock strengthening equipment, laser material adding equipment, laser polishing equipment and laser heat treatment equipment.
4. The multi-source laser multi-channel integrated repairing method for the metal surface according to claim 3, wherein the test piece is subjected to trial washing through the laser washing and repairing system according to a laser repairing path of the test piece and a repairing mode of the test piece, so as to determine optimal process parameters, and specifically comprises the following steps:
starting laser shock peening equipment, adjusting parameters of the laser shock peening equipment, and determining an optimal laser shock peening process;
starting laser material adding equipment, adjusting parameters of the laser material adding equipment, and determining an optimal laser material adding process;
starting laser polishing equipment, adjusting parameters of the laser polishing equipment, and determining an optimal laser polishing process;
starting laser heat treatment equipment, adjusting parameters of the laser heat treatment equipment, and determining an optimal laser heat treatment process.
5. The multi-source laser multi-channel integrated repairing method for the metal surface according to claim 3, wherein the test piece is subjected to trial cleaning through the laser cleaning and repairing system according to a laser repairing path of the test piece and a repairing mode of the test piece to determine optimal process parameters, and further comprising:
when the laser cleaning energy density is within the cleaning damage threshold, selecting the laser energy density which is the largest and is less than the ablation threshold of the dirt layer;
and when the laser shock peening/polishing and the additive energy density are within the matrix damage threshold, selecting the laser energy density which is the largest and is less than the matrix damage threshold.
6. The multi-source laser multi-channel integrated repairing method for the metal surface according to claim 1, wherein the cleaning and repairing of the to-be-repaired piece through a laser cleaning and repairing system according to the laser repairing path, the repairing mode and the optimal process parameters specifically comprises:
and starting the laser cleaning and repairing system, wherein before the laser cleaning, after the laser repairing, the laser is used for scanning, cleaning and repairing the surface of the piece to be repaired at a preset speed and the repairing path.
7. The multi-source laser multi-channel integrated repairing method for the metal surface according to claim 6, wherein the laser repairing system is started, laser cleaning is performed before laser repairing, laser repairing is performed after laser repairing, and laser is enabled to perform scanning cleaning and repairing on the surface of the part to be repaired at a preset speed and in a repairing path, and specifically comprises the following steps:
starting the laser cleaning equipment and the laser shock peening equipment, simultaneously cleaning and shock peening the surface of the to-be-repaired piece in parallel or in sequence before laser cleaning and after laser shock peening, and obtaining a strengthening layer on the surface after cleaning so as to strengthen the surface performance of the cleaned metal piece;
or starting the laser cleaning equipment and the laser polishing equipment, cleaning and polishing the surface of the to-be-repaired piece simultaneously in parallel or in sequence before laser cleaning and after laser polishing, and obtaining a remelted layer on the surface after cleaning so as to realize surface polishing of the cleaned metal piece;
or starting the laser cleaning equipment, the laser material adding equipment and the laser strengthening/polishing equipment, after laser cleaning, adopting visual inspection, an endoscope or a surface profiler to represent the surface damage or defect state, determining the part needing material adding repair, generating a laser material adding repair route plan, and simultaneously, parallelly or sequentially adding materials and strengthening/polishing the surface of the part to be repaired through the laser material adding, strengthening and polishing processes so as to realize the surface repair and strengthening of the cleaned metal part.
8. The multi-source laser multi-channel integrated repair method for the metal surface according to claim 1, wherein the laser focal length of each device in the laser cleaning and repair system is 50mm-1000mm, and the scanning speed is 2mm/s-3000 mm/s.
9. The multi-source laser multi-channel integrated repair method for the metal surface according to claim 1, wherein the laser spot pitch of each device in the laser cleaning and repair system is 10mm to 50mm, and the laser sequential scanning time interval is 0.1s to 60 s.
10. The multi-source laser multi-channel integrated repair method for the metal surface according to claim 1, wherein a laser adopted by the laser cleaning and repair system is a solid laser, a carbon dioxide laser or a fiber laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777080.7A CN111945153A (en) | 2020-08-05 | 2020-08-05 | Multi-source laser multi-channel integrated restoration method for metal surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777080.7A CN111945153A (en) | 2020-08-05 | 2020-08-05 | Multi-source laser multi-channel integrated restoration method for metal surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111945153A true CN111945153A (en) | 2020-11-17 |
Family
ID=73339524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010777080.7A Pending CN111945153A (en) | 2020-08-05 | 2020-08-05 | Multi-source laser multi-channel integrated restoration method for metal surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111945153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523708A (en) * | 2021-08-24 | 2021-10-22 | 南通大学 | Method and device for repairing tooth surface micro-contact fatigue damage |
| CN113673122A (en) * | 2021-02-03 | 2021-11-19 | 广东电网有限责任公司珠海供电局 | Pulse laser parameter adjusting method for optimal cleaning efficiency |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108444A (en) * | 2015-09-11 | 2015-12-02 | 江苏万力机械股份有限公司 | Repairing and strengthening method for tool of high-temperature in-service shearing equipment |
| CN106676519A (en) * | 2016-12-27 | 2017-05-17 | 大连理工大学 | Method for performing laser cladding on inclined basal body |
| WO2017142150A1 (en) * | 2016-02-15 | 2017-08-24 | (주)이오테크닉스 | Laser soldering repairing process, laser soldering process and laser soldering system |
| CN109385631A (en) * | 2018-12-10 | 2019-02-26 | 山东泰利先进制造研究院有限公司 | A kind of laser melting coating complex repairation manufacturing method and its application |
| CN109531041A (en) * | 2018-10-24 | 2019-03-29 | 扬州镭奔激光科技有限公司 | A kind of compound increasing material restorative procedure of the double laser beam of labyrinth metal parts |
| CN109773340A (en) * | 2019-01-28 | 2019-05-21 | 广东工业大学 | A kind of laser cleaning for carbon steel surface and polishing combined machining method |
| CN109967878A (en) * | 2017-12-27 | 2019-07-05 | 中国科学院宁波材料技术与工程研究所 | Laser crack forming mechanism system and laser method for repairing crack |
| CN111451500A (en) * | 2020-04-02 | 2020-07-28 | 航发优材(镇江)增材制造有限公司 | Laser additive repair method for titanium alloy valve rod |
-
2020
- 2020-08-05 CN CN202010777080.7A patent/CN111945153A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108444A (en) * | 2015-09-11 | 2015-12-02 | 江苏万力机械股份有限公司 | Repairing and strengthening method for tool of high-temperature in-service shearing equipment |
| WO2017142150A1 (en) * | 2016-02-15 | 2017-08-24 | (주)이오테크닉스 | Laser soldering repairing process, laser soldering process and laser soldering system |
| CN106676519A (en) * | 2016-12-27 | 2017-05-17 | 大连理工大学 | Method for performing laser cladding on inclined basal body |
| CN109967878A (en) * | 2017-12-27 | 2019-07-05 | 中国科学院宁波材料技术与工程研究所 | Laser crack forming mechanism system and laser method for repairing crack |
| CN109531041A (en) * | 2018-10-24 | 2019-03-29 | 扬州镭奔激光科技有限公司 | A kind of compound increasing material restorative procedure of the double laser beam of labyrinth metal parts |
| CN109385631A (en) * | 2018-12-10 | 2019-02-26 | 山东泰利先进制造研究院有限公司 | A kind of laser melting coating complex repairation manufacturing method and its application |
| CN109773340A (en) * | 2019-01-28 | 2019-05-21 | 广东工业大学 | A kind of laser cleaning for carbon steel surface and polishing combined machining method |
| CN111451500A (en) * | 2020-04-02 | 2020-07-28 | 航发优材(镇江)增材制造有限公司 | Laser additive repair method for titanium alloy valve rod |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113673122A (en) * | 2021-02-03 | 2021-11-19 | 广东电网有限责任公司珠海供电局 | Pulse laser parameter adjusting method for optimal cleaning efficiency |
| CN113523708A (en) * | 2021-08-24 | 2021-10-22 | 南通大学 | Method and device for repairing tooth surface micro-contact fatigue damage |
| CN113523708B (en) * | 2021-08-24 | 2022-08-23 | 南通大学 | Method and device for repairing tooth surface micro-contact fatigue damage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111945153A (en) | Multi-source laser multi-channel integrated restoration method for metal surface | |
| CN108436270B (en) | Surface pretreatment method for aluminum alloy laser welding | |
| CN110369727B (en) | Method for selectively melting and processing horizontal suspended structure without longitudinal support by laser | |
| CN108031687A (en) | A kind of method and device for efficiently removing laser cleaning before Process on Aluminum Alloy Oxidation Film is welded | |
| CN105665933B (en) | A kind of Invar mould steel laser electrical arc complex welding method | |
| CN105081568B (en) | Method for laser welding | |
| CN109821823A (en) | A kind of CO2Laser/ps pulsed laser and ns pulsed laser compound cleaning method | |
| CN104439676B (en) | CLF-1 steel thick plate electro-beam welding process | |
| CN109746453B (en) | Laser repair method and device | |
| CN112371653A (en) | Laser cleaning method for removing oxide skin on surface of titanium alloy | |
| CN110504099A (en) | A kind of method and system of laser ablation inductance copper coil paint layer | |
| CN105921887A (en) | Device and method for manufacturing three-dimensional structure battery based on ultrafast laser | |
| JP5306374B2 (en) | Laser processing apparatus, laser processing method, and method for manufacturing photovoltaic device | |
| CN108213713B (en) | Thin-wall part composite repairing method based on pulse laser and continuous laser additive | |
| CN112007919B (en) | Method for forming amorphous nanocrystalline modified layer on stainless steel surface through pulse laser cleaning | |
| Huber et al. | Selective structuring of thin-film solar cells by ultrafast laser ablation | |
| CN215880390U (en) | Double-light-path glass drilling device | |
| CN111992543B (en) | Laser plasma light wire cleaning method | |
| CN103208722A (en) | Laser ablation peeling method and equipment for core wire welding end of connecting wire | |
| John et al. | Laser Metal Bonding (LMB)-low impact joining of thin aluminum foil to silicon and silicon nitride surfaces | |
| CN110480165A (en) | Method for laser welding and laser welding apparatus | |
| CN114632944B (en) | Multi-energy field-based dissimilar material additive manufacturing method | |
| US20160351281A1 (en) | Neutron Irradiated Material Repair | |
| JP2012020303A (en) | Grooving method for laminated substrate | |
| CN109047182A (en) | A kind of Al-Mg alloy surface oxidation film laser cleaning technique |
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 |