CN104611696A - Laser-cladding nozzle - Google Patents
Laser-cladding nozzle Download PDFInfo
- Publication number
- CN104611696A CN104611696A CN201510058197.9A CN201510058197A CN104611696A CN 104611696 A CN104611696 A CN 104611696A CN 201510058197 A CN201510058197 A CN 201510058197A CN 104611696 A CN104611696 A CN 104611696A
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- Prior art keywords
- powder
- laser
- nozzle
- cylindrical shell
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
Abstract
The invention relates to a laser-cladding nozzle, and belongs to the technical field of laser processing. The nozzle is characterized in that a beam of laser is turned into two beams of laser through an effect of a beam splitter and the two beams of laser enter a molten pool from laser channels on the two sides of the nozzle; powder is fed into a powder chamber from multiple directions and do downward motion under the effect of a minitype air blower so that a uniform powder stream is formed under the effect of a powder separation sieve; the convergence accuracy of the periphery of the powder is guaranteed by a circle of collimation protecting gas; because an angle sensor arranged in the middle of the nozzle, the protection gas quantity can be increased when the nozzle inclines, the segregation, caused by gravity, of the powder is possibly reduced, annular protecting gas also exists at the periphery of the front end of the nozzle and can protect the molten pool in a coverage manner; a middle nozzle can cool the nozzle by using a spiral cooling water channel; due to a protective cover of the end part, full reflection of the laser is facilitated and work returning pieces and powder can be fully utilized; a cooling water path for cooling in time is also arranged on the protective cover. The laser-cladding nozzle has a simple structure and is high in powder convergence accuracy; moreover, the light-powder coupling accuracy is improved, and the collimation property and the utilization rate of the powder can be improved.
Description
Technical field
The present invention relates to field of laser processing, particularly relate to a kind of laser melting-painting nozzle.
Background technology
Laser melting and coating technique was risen the eighties in 20th century, was metal parts surface strengthening, modification and the recovery technique of a kind of advanced person.Specifically refer to the coated material placing selection in different filler modes on coated matrix surface, make it to melt with matrix surface skim through laser irradiation simultaneously, and it is extremely low and become the top coat of metallurgical binding with body material to form extent of dilution after rapid solidification, thus significantly improve wear-resisting, anti-corrosion, heat-resisting, anti-oxidant etc. the processing method of substrate material surface.
The most frequently used automatic powder feeding system of laser melting and coating technique is synchronous powder feeding system.Comprising paraxonic automatic powder feeding system and coaxial powder-feeding mode.Paraxonic automatic powder feeding system is met far away due to the outlet of the outlet of powder and light, the controllability of powder and light is better, there will not be the phenomenon of blocking light-emitting window because powder melts too early, thus at the initial stage of laser melting and coating technique development, paraxonic automatic powder feeding system is widely used.But due to the motion that it is only suitable for linear track, be not suitable for the motion of complicated track, therefore can not ensure that all directions size is consistent with performance, finally cannot meet Production requirement.
Compared to paraxonic powder feeding, coaxial powder-feeding is the Production requirement that flow of powder and the coaxial coupling output of laser beam more can meet now, and coaxial powder-feeding nozzle becomes the study hotspot of each scientific research institution as one of parts most crucial in coaxial powder feeding apparatus.In currently available technology, most typical structure is the defeated powder of four pipes or conical ring type powder conveying device, and powder can provide uniform and stable comparatively speaking and converge powder stream of good performance.But flow of powder is after all for tilting to send into, when convergent point converges, powder collides mutually, and protect gas also can there is disorderly air flow disturbs powder simultaneously and converge, all factors make powder effect in actual convergence process unsatisfactory.And most designs of nozzles is too complicated, does not utilize production application.
Summary of the invention
For problems of the prior art, the technical problem to be solved in the present invention is to provide a kind of laser melting-painting nozzle, and this nozzle arrangements is simple, and powder convergence precision is high, improves the precision of light powder coupling, ensure that the collimation of powder and the utilization ratio of powder.
To achieve these goals, the technical solution used in the present invention is: a kind of laser melting-painting nozzle, comprise cylindrical shell, the top and bottom of described cylindrical shell offer light inlet and light-emitting window respectively, beam expanding lens is set gradually from top to bottom near light inlet place in cylindrical shell, spectroscope, described spectroscope vertical section be trilateral and minute surface towards light inlet, the cylinder inboard wall of described spectroscope both sides arranges reflective mirror respectively, described reflective mirror minute surface is relative with spectroscope minute surface, described cylinder inboard wall also arranges the condenser lens corresponding respectively with two reflective mirrors, make after condenser lens converges, to enter molten bath from the light of reflective mirror directive light-emitting window again, it is characterized in that: below described spectroscope, be fixedly installed powder chamber, on described powder chamber, under be opening arrange, the sidewall of powder chamber upper end is arranged multiple powdering inlet spaced apart, described powdering inlet is circumferentially uniformly distributed same, powder chamber upper shed place arranges small blast fan, powder chamber lower opening is meal outlet, described meal outlet connects duff pipe, and described duff pipe is the straight tube extending to cylindrical shell light-emitting window place, the junction of described powder chamber and duff pipe arranges a point dressing sieve, and described point of dressing sieve is lamellar, it is arranged some points of powder holes, described duff pipe overcoat has pneumatic tube, through slightly larger than duff pipe external diameter in described pneumatic tube, pneumatic tube is arranged collimation protection gas conveying entrance, described duff pipe end arranges powder delivery mouth, and described powder delivery mouth is arranged some flour openings flowed out for powder, described flour opening is up big and down small tapered hole.
By adopting technique scheme, laser beam enters from the light inlet of cylindrical shell, first expanded by beam expanding lens, then through spectroscope light splitting, be divided into two bundle equity light beams, then enter molten bath through the reflect focalization of speculum, condenser lens, the design of this kind of light channel structure well can utilize the space in cylindrical shell, avoid laser beam direct irradiation in the internal structure of cylindrical shell, eliminate the design of cooling water channel, simplify the internal structure design of cylindrical shell; This nozzle is by powder chamber and duff pipe conveying powder, powder chamber is arranged multiple powdering inlet, make powder be divided into multiply and enter powder chamber, powders is avoided to cause the flowing of powder not smooth, above powder chamber, small blast fan is set simultaneously, small blast fan, to air blast in powder chamber, makes powder flowing downward and the further mobility increasing powder; Point powder hole of powder on undue dressing sieve enters duff pipe, flow of powder after undue dressing sieve becomes even, speed is also consistent, ensure the stable of powder feeding and precision, annular collimation protection gas is set outside powder conveying pipe simultaneously, the parallel encirclement powder conveying pipe of this annular collimation protection gas exports downwards, makes the powder exported from duff pipe converge in this annular collar, ensures the convergence precision of powder; Duff pipe end arranges powder delivery mouth, and the taper powder delivery mouth on powder delivery mouth is beneficial to the convergence of powder.
The present invention is also set to further, arranges angular transducer in described cylindrical shell, and when nozzle run-off the straight, angular transducer sends signal, controls the operational throughput increasing collimation protection gas, reduces the segregation of powder.By this setting; when nozzle run-off the straight; angular transducer sends signal to air supply plant; air supply plant is enable suitably to increase collimation protection tolerance when nozzle inclination works; make powder still can keep certain deflection; reduce the dispersion of powder, meet the cladding needs of different angles in actual production, well solve existing nozzle powder when carrying out certain angle cladding and be affected by gravity serious problem.
The present invention is also set to further, and the lower end of described cylindrical shell arranges protective guard, arranges the annular collimation protection gas surrounding cylindrical shell light-emitting window in described protective guard.By this setting, during cladding, protective guard can reflects laser and block the powder disorderly spattered, and improves laser utilization and powder using efficiency, available protecting equipment and personal security; And annular collimation protection gas prevents powder from splashing further, make whole molten bath be positioned under protection gas, isolated outside atmosphere, the generation of anti-oxidation simultaneously.
The present invention is also set to further, and described cylindrical shell lower end arranges the spiral cooling water channel around pneumatic tube.
The present invention is also set to further, and described protective guard arranges cooling-water duct.
By adopting technique scheme, cooling water channel divides inside and outside two jacket water roads to act on cylindrical shell lower end and protective guard respectively, cools in time key position herein, prevents the flow of powder of splashing or too high heat from causing damage to component.Inner cold water path adopts spiral design, and water coolant flows into from top, and below is flowed out, and improve cooling efficiency available protecting nozzle, outer water coolant mainly cools outer protective cover.
The present invention is also set to further, and described powder delivery mouth is dismountablely be arranged at duff pipe end.
The present invention is also set to further, and described powder delivery mouth is made up of red copper.
By adopting technique scheme, described powder delivery mouth is detachable setting, and powder delivery mouth adopts laser reflectivity higher, and the good red copper of heat conductivility is made; Because powder delivery mouth is near molten bath, strong laser must cause damage to this end in long use procedure, affects the output effect of flow of powder.Such end can be changed in time when damaging, and improves production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of path channels of the present invention;
Fig. 3 is the structural representation of powder chamber of the present invention;
Fig. 4 is the structural representation of powder delivery mouth of the present invention.
Number in the figure implication: 1-cylindrical shell; 11-light inlet; 12-light-emitting window; 2-beam expanding lens; 3-spectroscope; 4-reflective mirror; 5-condenser lens; 6-powder chamber; 61-powdering inlet; 62-meal outlet; 7-small blast fan; 8-duff pipe; 9-divides dressing sieve; 10-pneumatic tube; 101-collimation protection gas conveying entrance; 13-powder delivery mouth; 131-flour opening; 14-angular transducer; 15-protective guard; 16-annular collimation protection gas; 17-spiral cooling water channel; 18-cooling water channel.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 2, a kind of laser melting-painting nozzle, comprise cylindrical shell 1, the top and bottom of described cylindrical shell 1 offer light inlet 11 and light-emitting window 12 respectively, cylindrical shell 1 is interior and close light inlet 11 place sets gradually beam expanding lens 2 from top to bottom, spectroscope 3, described spectroscope 3 vertical section be trilateral and minute surface towards light inlet 11, cylindrical shell 1 inwall of described spectroscope 3 both sides arranges reflective mirror 4 respectively, described two reflective mirror 4 minute surfaces are relative with two minute surfaces of spectroscope 3 respectively, described cylindrical shell 1 inwall also arranges the condenser lens 5 corresponding respectively with two reflective mirrors 4, make after condenser lens 5 converges, to enter molten bath from the light of reflective mirror 4 directive light-emitting window 12 again, laser beam enters from the light inlet of cylindrical shell 1, first expanded by beam expanding lens 2, then through spectroscope 3 light splitting, be divided into two bundle equity light beams, reflect focalization again through speculum, condenser lens 5 enters molten bath, and the design of this kind of light channel structure well can utilize the space in cylindrical shell 1, avoids laser beam direct irradiation in the internal structure of cylindrical shell 1, eliminate the design of cooling water channel, simplify the internal structure design of cylindrical shell 1.
As shown in Figures 1 to 4, powder chamber 6 is fixedly installed below described spectroscope 3, on described powder chamber 6, under be opening arrange, the sidewall of powder chamber 6 upper end is arranged multiple powdering inlet 61 spaced apart, described powdering inlet 61 is circumferentially uniformly distributed same, powder chamber 6 upper shed place arranges small blast fan 7, powder chamber 6 lower opening is meal outlet 62, powder is divided into multiply by powdering inlet 61 and enters powder chamber 6, powders is avoided to cause the flowing of powder not smooth, the small blast fan 7 simultaneously arranged above powder chamber 6 is to air blast in powder chamber 6, make powder flowing downward and the progressive mobility increasing powder, small blast fan 7 can provide different wind speed to meet the different needs, meal outlet 62 is connected with duff pipe 8, and described duff pipe 8 is for extending to the straight tube at cylindrical shell 1 light-emitting window 12 place, and the powder in powder chamber 6 sends into molten bath by duff pipe 8, the junction of described powder chamber 6 and duff pipe 8 arranges a point dressing sieve 9, described point of dressing sieve 9 is for being arranged at the thin plate between powder chamber 6 and duff pipe 8, thin plate is arranged some equal and opposite in directions and equally distributed point of powder hole 91, point powder hole 91 of powder on undue dressing sieve 9 enters duff pipe 8, flow of powder after undue dressing sieve 9 becomes even, speed is also consistent, ensures the stable of powder feeding and precision, described duff pipe 8 overcoat has pneumatic tube 10, through the straight tube slightly larger than duff pipe 8 external diameter in described pneumatic tube 10, pneumatic tube 10 upper end closed lower ending opening, pneumatic tube 10 upper end arranges collimation protection gas conveying entrance 101, supplied gas in pneumatic tube 10 by air supply plant, the parallel encirclement powder conveying pipe of collimation protection gas exports downwards, forms the annular collimation protection gas surrounding duff pipe 8, make the powder exported from duff pipe 8 converge in this annular collar, ensure the convergence precision of powder, described duff pipe 8 end arranges powder delivery mouth 13, described powder delivery mouth 13 is arranged some flour openings 131 flowed out for powder, described flour opening 131 is up big and down small tapered hole, be beneficial to the convergence of powder, flour opening 131 can provide quantity indefinite, the multiple via design scheme that size is indefinite, to meet the needs of various production.
Angular transducer 14 is set in cylindrical shell 1; when nozzle run-off the straight; angular transducer 14 sends signal to air supply plant; after air supply plant receives signal, the work output of protection gas is controlled; air supply plant is enable suitably to increase collimation protection tolerance when nozzle inclination works; make powder still can keep certain deflection; reduce the dispersion of powder; meet the cladding needs of different angles in actual production, well solve existing nozzle powder when carrying out certain angle cladding and be affected by gravity serious problem.
The lower end of cylindrical shell 1 arranges protective guard 15, arranges the annular collimation protection gas 16 surrounding cylindrical shell 1 light-emitting window 12 in described protective guard 15.By this setting, during cladding, protective guard 15 can reflects laser and block the powder disorderly spattered, and improves laser utilization and powder using efficiency, available protecting equipment and personal security; And this annular collimation protection gas 16 prevents powder from splashing further, make whole molten bath be positioned under protection gas, isolated outside atmosphere, the generation of anti-oxidation simultaneously.
Cylindrical shell 1 lower end arranges the spiral cooling water channel 17 around pneumatic tube 10, and protective guard 15 also arranges cooling-water duct 18.By this setting, cooling water channel divides inside and outside two jacket water roads to act on cylindrical shell 1 lower end and protective guard 15 respectively, cools in time key position herein, prevents the flow of powder of splashing or too high heat from causing damage to component.Inner cold water path adopts spiral design, and water coolant flows into from top, and below is flowed out, and improve cooling efficiency available protecting nozzle, outer water coolant mainly cools outer protective cover 15.
Powder delivery mouth 13 is dismountable duff pipe 8 end that is arranged at, and described powder delivery mouth 13 is made up of red copper, and red copper laser reflectivity is higher, and heat conductivility is better.Described powder delivery mouth 13 is threaded connection with duff pipe 8, because powder delivery mouth 13 is near molten bath, strong laser must cause damage to this end in long use procedure, affects the output effect of flow of powder.Such end can be changed in time when damaging, and improves production efficiency.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection scope of the present invention.
Claims (7)
1. a laser melting-painting nozzle, comprise cylindrical shell, the top and bottom of described cylindrical shell offer light inlet and light-emitting window respectively, beam expanding lens is set gradually from top to bottom near light inlet place in cylindrical shell, spectroscope, described spectroscope vertical section be trilateral and minute surface towards light inlet, the cylinder inboard wall of described spectroscope both sides arranges reflective mirror respectively, described reflective mirror minute surface is relative with spectroscope minute surface, described cylinder inboard wall also arranges the condenser lens corresponding respectively with two reflective mirrors, make after condenser lens converges, to enter molten bath from the light of reflective mirror directive light-emitting window again, it is characterized in that: below described spectroscope, be fixedly installed powder chamber, described powder stops up, under be opening arrange, the sidewall of powder chamber upper end is arranged multiple powdering inlet spaced apart, described powdering inlet is circumferentially uniformly distributed same, powder chamber upper shed place arranges small blast fan, powder chamber lower opening is meal outlet, described meal outlet connects duff pipe, and described duff pipe is the straight tube extending to cylindrical shell light-emitting window place, the junction of described powder chamber and duff pipe arranges a point dressing sieve, and described point of dressing sieve is lamellar, it is arranged some points of powder holes, described duff pipe overcoat has pneumatic tube, through slightly larger than duff pipe external diameter in described pneumatic tube, pneumatic tube is arranged collimation protection gas conveying entrance, described duff pipe end arranges powder delivery mouth, and described powder delivery mouth is arranged some flour openings flowed out for powder, described flour opening is up big and down small tapered hole.
2. a kind of laser melting-painting nozzle according to claim 1, is characterized in that: arrange angular transducer in described cylindrical shell, when nozzle run-off the straight, angular transducer sends signal, controls the operational throughput increasing collimation protection gas, reduces the segregation of powder.
3. a kind of laser melting-painting nozzle according to claim 1 and 2, is characterized in that: the lower end of described cylindrical shell arranges protective guard, arranges the annular collimation protection gas surrounding cylindrical shell light-emitting window in described protective guard.
4. a kind of laser melting-painting nozzle according to claim 1 and 2, is characterized in that: described cylindrical shell lower end arranges the spiral cooling water channel around pneumatic tube.
5. a kind of laser melting-painting nozzle according to claim 1, is characterized in that: described protective guard arranges cooling-water duct.
6. a kind of laser melting-painting nozzle according to claim 1, is characterized in that: described powder delivery mouth is dismountablely be arranged at duff pipe end.
7. a kind of laser melting-painting nozzle according to claim 6, is characterized in that: described powder delivery mouth is made up of red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058197.9A CN104611696B (en) | 2015-02-02 | 2015-02-02 | A kind of laser melting-painting nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058197.9A CN104611696B (en) | 2015-02-02 | 2015-02-02 | A kind of laser melting-painting nozzle |
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| CN104611696A true CN104611696A (en) | 2015-05-13 |
| CN104611696B CN104611696B (en) | 2017-03-15 |
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| CN201510058197.9A Active CN104611696B (en) | 2015-02-02 | 2015-02-02 | A kind of laser melting-painting nozzle |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499791A (en) * | 2015-12-22 | 2016-04-20 | 中国航空工业集团公司北京航空制造工程研究所 | Split laser focusing and coaxial fusing laser head and coaxial laser fused modeling device |
| CN105821408A (en) * | 2016-05-03 | 2016-08-03 | 中国航空工业集团公司北京航空材料研究院 | Method for adopting laser cladding to repair TC4-DT titanium alloys |
| CN106929847A (en) * | 2017-05-12 | 2017-07-07 | 温州大学 | Atmosphere protection component and laser melting coating atmosphere protection device |
| CN107130240A (en) * | 2017-06-29 | 2017-09-05 | 温州大学 | Laser melting-painting nozzle, laser cladding apparatus and laser cover melting method |
| CN107385435A (en) * | 2017-09-18 | 2017-11-24 | 苏州大学 | Cladding shower nozzle and laser cladding apparatus |
| CN109680274A (en) * | 2019-02-20 | 2019-04-26 | 江苏镭电嘉成激光科技有限公司 | A kind of integral type coaxial powder-feeding nozzle for laser fusion and coating |
| CN110424011A (en) * | 2019-09-06 | 2019-11-08 | 武汉洛克斯模具技术有限公司 | A kind of laser coating and powder feeding device |
| CN110438492A (en) * | 2019-09-01 | 2019-11-12 | 陕西天元智能再制造股份有限公司 | A kind of recyclable laser cladding apparatus recycled of reflected light |
| CN110791757A (en) * | 2019-12-09 | 2020-02-14 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Deep hole laser cladding head convenient to dismouting |
| CN110923706A (en) * | 2019-12-31 | 2020-03-27 | 华南理工大学 | Laser cladding device based on 3D prints and nozzle thereof |
| CN111005016A (en) * | 2019-12-27 | 2020-04-14 | 浙江工业大学 | Scanning galvanometer-assisted supersonic laser composite high-speed deposition device |
| CN111417467A (en) * | 2017-07-21 | 2020-07-14 | 卡莱流体技术有限公司 | System and method for improved control of impingement mixing |
| EP3736106A1 (en) | 2019-05-06 | 2020-11-11 | Sotimeco | 3d printing head |
| US20210060861A1 (en) * | 2019-08-27 | 2021-03-04 | Edison Welding Institute, Inc. | Coaxial laser-wire optical system for use in additive manufacturing |
| CN113930758A (en) * | 2021-09-23 | 2022-01-14 | 苏州大学 | High-adaptability anti-oxidation laser cladding device |
| EP4023370A1 (en) | 2021-01-04 | 2022-07-06 | Sotimeco | Laser 3d printing head |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499791A (en) * | 2015-12-22 | 2016-04-20 | 中国航空工业集团公司北京航空制造工程研究所 | Split laser focusing and coaxial fusing laser head and coaxial laser fused modeling device |
| CN105821408A (en) * | 2016-05-03 | 2016-08-03 | 中国航空工业集团公司北京航空材料研究院 | Method for adopting laser cladding to repair TC4-DT titanium alloys |
| CN105821408B (en) * | 2016-05-03 | 2018-06-05 | 中国航空工业集团公司北京航空材料研究院 | The process of TC4-DT titanium alloys is repaired using laser melting coating |
| CN106929847A (en) * | 2017-05-12 | 2017-07-07 | 温州大学 | Atmosphere protection component and laser melting coating atmosphere protection device |
| CN106929847B (en) * | 2017-05-12 | 2022-11-25 | 温州大学 | Atmosphere protection assembly and laser cladding atmosphere protection device |
| CN107130240A (en) * | 2017-06-29 | 2017-09-05 | 温州大学 | Laser melting-painting nozzle, laser cladding apparatus and laser cover melting method |
| CN111417467A (en) * | 2017-07-21 | 2020-07-14 | 卡莱流体技术有限公司 | System and method for improved control of impingement mixing |
| CN107385435A (en) * | 2017-09-18 | 2017-11-24 | 苏州大学 | Cladding shower nozzle and laser cladding apparatus |
| CN107385435B (en) * | 2017-09-18 | 2023-08-25 | 苏州大学 | Cladding shower nozzle and laser cladding device |
| CN109680274A (en) * | 2019-02-20 | 2019-04-26 | 江苏镭电嘉成激光科技有限公司 | A kind of integral type coaxial powder-feeding nozzle for laser fusion and coating |
| FR3095774A1 (en) | 2019-05-06 | 2020-11-13 | Sotimeco | 3d print head |
| EP3736106A1 (en) | 2019-05-06 | 2020-11-11 | Sotimeco | 3d printing head |
| US20210060861A1 (en) * | 2019-08-27 | 2021-03-04 | Edison Welding Institute, Inc. | Coaxial laser-wire optical system for use in additive manufacturing |
| CN110438492A (en) * | 2019-09-01 | 2019-11-12 | 陕西天元智能再制造股份有限公司 | A kind of recyclable laser cladding apparatus recycled of reflected light |
| CN110424011B (en) * | 2019-09-06 | 2021-07-30 | 武汉洛克斯模具技术有限公司 | Laser cladding powder feeding device |
| CN110424011A (en) * | 2019-09-06 | 2019-11-08 | 武汉洛克斯模具技术有限公司 | A kind of laser coating and powder feeding device |
| CN110791757A (en) * | 2019-12-09 | 2020-02-14 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Deep hole laser cladding head convenient to dismouting |
| CN110791757B (en) * | 2019-12-09 | 2021-10-29 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Deep hole laser cladding head convenient to dismouting |
| CN111005016A (en) * | 2019-12-27 | 2020-04-14 | 浙江工业大学 | Scanning galvanometer-assisted supersonic laser composite high-speed deposition device |
| CN110923706A (en) * | 2019-12-31 | 2020-03-27 | 华南理工大学 | Laser cladding device based on 3D prints and nozzle thereof |
| EP4023370A1 (en) | 2021-01-04 | 2022-07-06 | Sotimeco | Laser 3d printing head |
| FR3118598A1 (en) | 2021-01-04 | 2022-07-08 | Sotimeco | LASER 3D PRINTING HEAD |
| CN113930758A (en) * | 2021-09-23 | 2022-01-14 | 苏州大学 | High-adaptability anti-oxidation laser cladding device |
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