CN104419925A - Supersonic vibration-assisted laser cladding composite processing equipment - Google Patents
Supersonic vibration-assisted laser cladding composite processing equipment Download PDFInfo
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- CN104419925A CN104419925A CN201310415092.5A CN201310415092A CN104419925A CN 104419925 A CN104419925 A CN 104419925A CN 201310415092 A CN201310415092 A CN 201310415092A CN 104419925 A CN104419925 A CN 104419925A
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- laser cladding
- ultrasonic vibration
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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
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Abstract
The invention relates to supersonic vibration-assisted laser cladding composite processing equipment. Supersonic vibration is synchronously exerted on a matrix sample in a laser cladding process; the crack sensitivity of a laser cladding layer is reduced; and the tissue is refined. The laser cladding composite processing equipment is characterized in that 1 the composite processing equipment comprises a test block (1), an amplitude-change pole (2), a flange (3), a transducer (4), a cooling fan (5), an upright post bracket (6), a cable wire (7) and an ultrasonic generator (8); 2 a base plate is a flat test block; preheating is not required before treatment; and slow cooling is not required after treatment; 3 the variety of cladding powder is not limited; 4 the test block (1) is connected with the amplitude-change pole (2) through bolts; 5 the cooling fan (5) is used for discharging heat generated when the device works; and 6 the ultrasonic generator (8) is connected with the transducer (4) through the cable wire (7); and ultrasonic vibration is transmitted to the test block (1) through the amplitude-change pole (2). The supersonic vibration-assisted laser cladding composite processing equipment is high in processing efficiency, simple to operate, and free of pollution to environment, and a cladding layer which is free of a crack in surface and fine in internal texture is obtained.
Description
Technical field
The present invention relates to a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, belong to the utility appliance in material surface treating processes.This device is specially adapted to laser surface processing process field.
Background technology
Laser melting and coating technique refers to the coated material placing selection with different adding material modes on coated matrix surface, make it to melt with matrix surface skim through high energy laser beam simultaneously, and it is extremely low to form extent of dilution after rapid solidification, become the top coat of metallurgical binding with body material, thus significantly improve the technique of wear-resisting, anti-corrosion, heat-resisting, the oxidation-resistance of substrate material surface etc.Laser melting coating is as a kind of emerging technology of field of surface engineering technique, and be metallurgical binding because it has interface, organize superfine, cladding layer thinning ratio ground, the advantage of many uniquenesses such as thickness is controlled, thermal distoftion is little, has become relatively more active research field.But because laser melting coating is complicated physics, chemistry and a metallurgical process, in laser rapid heating and cooling and Melting And Solidification process, very easily produces tensile stress, crack sensitivity is improved greatly.
The method of traditional elimination crackle: preheating, slow cooling, after heat, add the special cracking resistance powder of rare earth or alloying element, use.But use preheating oven or tempering stove carry out preheating to cladding sample and slow cooling is inclined to reduce crack initiation, the stress also not reaching material yield strength can only be eliminated, and can not to having caused the internal stress of crack initiation to have an impact in a large number, when preheating temperature is too high, can coarse grains be made, affect microstructure of surface cladding layer performance.By adjustment alloying element ratio, increase the toughness of overlay, can crack sensitivity be reduced, but reduce hardness and the wear resistance of overlay simultaneously.
Patent (201010294577.X) content relates to laser melting coating-spinning process that Axle Surface prepares low cracking breakout coating, specifically laser cladding equipment and spinning machine neighbour being placed, making laser facula be radiated at the Axle Surface revolved by arriving by spinning of spinning machine all the time.The inventive method is applicable to the surface cladding of axial workpiece, and overlay, under the rotational pressure of spinning roller, viscous deformation occurs, and internal residual stress is eliminated, and reduces crack sensitivity.But it has higher requirement for overlay material and the moulding of buffer layer material, and selection range is narrow; Equipment is too huge, regulates calibration difficulties; Can only be applicable to axle class and rotating part, use is restricted.
Patent (200310108499.X) content relates to the treatment process of laser melting coating nano ceramic coat cracking resistance, transition layer is used to strengthen the bonding strength of overlay and matrix, utilize the feature of low, the easy diffusion of nanoparticle fusing point to improve the density of overlay, thus prevent crackle from producing.But preparation nanoparticle, greatly can improve cladding cost, be unfavorable for suitability for industrialized production.
After patent (201010616580.9) uses the twine processed tightly to spread on polishing treat cladding surface, limited the expansion of crackle by tiny grid.But to the manufacture of grid and treating processes loaded down with trivial details, and will carry out grinding process to specimen surface, increase workload, efficiency is low.
The present invention proposes a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, ultrasonic vibration is introduced in cladding process, the mobility of liquid metal can be improved, tissue distribution is more even, in process of setting, the dendrite net of growing up can be smashed, and make its each position being distributed to melt form equally distributed small crystal nucleus.Equipment is simple, and be beneficial to calibration and install, consume energy little, good work environment, can both be suitable for most powder.
Summary of the invention
The object of the invention is to overcome the shortcoming that in laser rapid heating, process of cooling, crack sensitivity is large, a kind of efficient, easy and simple to handle, environmental protection is provided and does not affect the ultrasonic wave added device of laser processing.
Ultrasonic vibration auxiliary laser cladding composite handling arrangement of the present invention in laser cladding process, synchronously applies ultrasonic vibration to matrix sample, reduces laser cladding layer cracking sensitivity, thinning microstructure.
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, described device is made up of test block [1], horn [2], flange [3], transverter [4], radiator fan [5], column support [6], cable [7] and ultrasonic generator [8].
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, described matrix test block is dull and stereotyped test block.
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, cladding powder sort does not limit.
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, described matrix test block does not need to carry out preheating and to ease up deepfreeze.
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, be bolted between test block [1] and horn [2].
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, column support is used for supporting the planeness of the whole working face of whole appliance ensure.
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, by the heat produced in bottom heat radiation fan [5] discharger working process, assurance device works long hours continuously.
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, ultrasonic generator [8] is connected with transverter [4] by cable [7], then by horn [2], ultrasonic vibration is delivered to test block [1].
Above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, synchronously apply ultrasonic vibration in laser cladding process to matrix test block.
Ultrasonic vibration auxiliary laser cladding composite handling arrangement of the present invention, its key problem in technology is combined with laser melting coating at ultrasonic vibration, while realizing laser quick cladding, introduce ultrasonic vibration and improve the shaping and tissue signature of cladding layer, obtain the cladding layer that surperficial flawless, interior tissue are tiny.Present invention, avoiding the slow cooling process after the thermal pretreatment of test block before Laser Cladding Treatment and process, working (machining) efficiency is high, environmentally friendly, simple to operate.
advantage of the present invention and beneficial effect
Ultrasonic vibration auxiliary laser cladding composite handling arrangement of the present invention, its feature is as follows:
1. adopt ultrasonic vibration auxiliary laser cladding composite handling arrangement, powder sort used can be made unrestricted.
2. ultrasonic vibration auxiliary laser cladding composite handling arrangement is adopted, the slow cooling process after the thermal pretreatment before matrix test block Laser Cladding Treatment and process can be avoided, working (machining) efficiency is high, easy and simple to handle, environmentally safe, significantly reduce re-melt deposit welding susceptibility, and microstructure of surface cladding layer is fine and close, tiny.
figure of description and brief description of drawings
Fig. 1 ultrasonic vibration auxiliary laser cladding Combined Processing schematic diagram.
Nomenclature:
1. laser generator; 2. light-conducting system; 3. ultrasonic vibration installation; 4. ultrasonic generator.
The two-dimentional front view of Fig. 2 ultrasonic vibration auxiliary laser cladding composite handling arrangement.
Nomenclature:
1. test block; 2. horn; 3. flange; 4. transverter; 5. radiator fan; 6. three-dimensional bracket; 7. cable; 8. ultrasonic generator.
The two-dimentional vertical view of Fig. 3 ultrasonic vibration auxiliary laser cladding composite handling arrangement.
The three-dimensional plot of Fig. 4 ultrasonic vibration auxiliary laser cladding composite handling arrangement.
Embodiment:
Below in conjunction with accompanying drawing and example, the invention will be further described:
As depicted in figs. 1 and 2, ultrasonic vibration auxiliary laser cladding composite handling arrangement of the present invention, comprises test block [1], horn [2], flange [3], transverter [4], radiator fan [5], column support [6], cable [7] and ultrasonic generator [8] composition.To matrix test block [1] surface rubbing of cladding be treated, then use the degreasing of acetone wipe surfaces, by bolt, test block [1] and horn [2] be fixed, then by cable [7], ultra-sonic generator [8] will be connected with transverter [4].Whiting end fusion is preset at test block surface, is moved to by laser head and treats cladding position, opens ultrasonic generator and laser apparatus simultaneously.Cladding terminates rear closedown ultrasonic generator, to reach thinning microstructure, to improve the object of cladding layer capability.
Describe the present invention by way of example above, but the invention is not restricted to above-mentioned specific embodiment, all any changes of doing based on the present invention or modification all belong to the scope of protection of present invention.
the content of suggestion protection:
1. ultrasonic vibration auxiliary laser cladding composite handling arrangement.
Claims (9)
1. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, described device is made up of test block [1], horn [2], flange [3], transverter [4], radiator fan [5], column support [6], cable [7] and ultrasonic generator [8].
2. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, described matrix test block is dull and stereotyped test block.
3. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, cladding powder sort does not limit.
4. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, described matrix test block does not need to carry out preheating and to ease up deepfreeze.
5. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, be bolted between test block [1] and horn [2].
6. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, column support is used for supporting the planeness of the whole working face of whole appliance ensure.
7. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, by the heat produced in bottom heat radiation fan [5] discharger working process, assurance device works long hours continuously.
8. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, it is characterized in that, ultrasonic generator [8] is connected with transverter [4] by cable [7], then by horn [2], ultrasonic vibration is delivered to test block [1].
9. above-mentioned a kind of ultrasonic vibration auxiliary laser cladding composite handling arrangement, is characterized in that, synchronously apply ultrasonic vibration in laser cladding process to matrix test block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310415092.5A CN104419925A (en) | 2013-09-07 | 2013-09-07 | Supersonic vibration-assisted laser cladding composite processing equipment |
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| CN201310415092.5A CN104419925A (en) | 2013-09-07 | 2013-09-07 | Supersonic vibration-assisted laser cladding composite processing equipment |
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| CN104419925A true CN104419925A (en) | 2015-03-18 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283043A (en) * | 2016-11-10 | 2017-01-04 | 上海工程技术大学 | A kind of laser melting coating cobalt-based self-lubricating coat in use preparation facilities and method |
| CN106350817A (en) * | 2016-11-11 | 2017-01-25 | 青岛理工大学 | Method and device for preparing crack-free cladding layer through ultrasonic vibration-assisted laser cladding |
| CN106363173A (en) * | 2016-12-12 | 2017-02-01 | 中国工程物理研究院材料研究所 | Ultrasonic-assisted laser material additive manufacturing device and realization method thereof |
| CN109989062A (en) * | 2019-05-05 | 2019-07-09 | 广东工业大学 | A kind of laser cladding apparatus |
| CN110318052A (en) * | 2019-07-15 | 2019-10-11 | 东北大学 | Change angle elliptical vibration-laser formation device and method for the preparation of CBN bistrique |
| CN110539095A (en) * | 2019-10-15 | 2019-12-06 | 天津科技大学 | Ultrasonic auxiliary laser device for preparing metal surface hydrophobicity |
| CN111501039A (en) * | 2020-05-21 | 2020-08-07 | 湘潭大学 | Multi-physical-field auxiliary laser cladding device |
| CN113445045A (en) * | 2021-06-24 | 2021-09-28 | 中南大学 | Method for preparing artificial articular surface ceramic coating by ultrasonic vibration-assisted laser cladding |
| CN114231977A (en) * | 2021-12-29 | 2022-03-25 | 浙江工业大学 | Method and device for assisting laser metal forming by three-dimensional ultrasonic stirring |
| CN114318331A (en) * | 2021-12-29 | 2022-04-12 | 浙江工业大学 | Ultrasonic semi-solid roll forging composite laser cladding forming method and device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283043A (en) * | 2016-11-10 | 2017-01-04 | 上海工程技术大学 | A kind of laser melting coating cobalt-based self-lubricating coat in use preparation facilities and method |
| CN106350817A (en) * | 2016-11-11 | 2017-01-25 | 青岛理工大学 | Method and device for preparing crack-free cladding layer through ultrasonic vibration-assisted laser cladding |
| CN106363173A (en) * | 2016-12-12 | 2017-02-01 | 中国工程物理研究院材料研究所 | Ultrasonic-assisted laser material additive manufacturing device and realization method thereof |
| CN106363173B (en) * | 2016-12-12 | 2018-05-25 | 中国工程物理研究院材料研究所 | A kind of device and its implementation of the increasing material manufacturing of ultrasonic wave auxiliary laser |
| CN109989062A (en) * | 2019-05-05 | 2019-07-09 | 广东工业大学 | A kind of laser cladding apparatus |
| CN110318052A (en) * | 2019-07-15 | 2019-10-11 | 东北大学 | Change angle elliptical vibration-laser formation device and method for the preparation of CBN bistrique |
| CN110539095A (en) * | 2019-10-15 | 2019-12-06 | 天津科技大学 | Ultrasonic auxiliary laser device for preparing metal surface hydrophobicity |
| CN111501039A (en) * | 2020-05-21 | 2020-08-07 | 湘潭大学 | Multi-physical-field auxiliary laser cladding device |
| CN111501039B (en) * | 2020-05-21 | 2022-04-22 | 湘潭大学 | Multi-physical-field auxiliary laser cladding device |
| CN113445045A (en) * | 2021-06-24 | 2021-09-28 | 中南大学 | Method for preparing artificial articular surface ceramic coating by ultrasonic vibration-assisted laser cladding |
| CN114231977A (en) * | 2021-12-29 | 2022-03-25 | 浙江工业大学 | Method and device for assisting laser metal forming by three-dimensional ultrasonic stirring |
| CN114318331A (en) * | 2021-12-29 | 2022-04-12 | 浙江工业大学 | Ultrasonic semi-solid roll forging composite laser cladding forming method and device |
| CN114231977B (en) * | 2021-12-29 | 2024-05-03 | 浙江工业大学 | Method and device for three-dimensional ultrasonic stirring assisted laser metal forming |
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Application publication date: 20150318 |