CN107805808A - A kind of electric jet deposition micro- texture cutter preparation method of laser melting coating - Google Patents
A kind of electric jet deposition micro- texture cutter preparation method of laser melting coating Download PDFInfo
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- CN107805808A CN107805808A CN201711159861.4A CN201711159861A CN107805808A CN 107805808 A CN107805808 A CN 107805808A CN 201711159861 A CN201711159861 A CN 201711159861A CN 107805808 A CN107805808 A CN 107805808A
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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
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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Abstract
The invention belongs to technical field of mechanical cutting tool manufacture, there is provided a kind of preparation method of the electric jet deposition micro- texture cutter of laser melting coating, the present invention are applied certain pressure to functional liquid first, be allowed to be flowed out from nozzle needle spray orifice with certain flow；Then certain electric field is applied to functional liquid, is allowed to form the fine jet much smaller than spray orifice internal diameter, and jet deposition goes out micro- texture on tool matrix；Using laser irradiation heat treatment is carried out to the textured material of deposition simultaneously, be allowed to rapid curing molding and with the reliable consolidation of tool matrix.The preparation method of the electric jet deposition micro- texture cutter of laser melting coating proposed by the present invention combines electric jet deposition and the technical advantage of Laser Processing, has the advantages that texture formed precision is high, adaptability for materials is strong, processing technology is simple, easily controllable.
Description
Technical field
The invention belongs to technical field of mechanical cutting tool manufacture, is related to a kind of electric jet deposition-micro- texture of laser melting coating
The preparation method of cutter.
Background technology
Use of the metal dry machining technology technology because avoiding a large amount of cutting fluids, so as to greatly reduce manufacturing cost, subtract
Lack environmental pollution, be increasingly becoming one of study hotspot of green manufacturing.But because the cooling and lubricating for lacking cutting fluid acts on,
The machining condition of dry machining technology is more severe, and the requirement to cutter is stricter.How in unlubricated or micro lubricating feelings
Mitigate the fretting wear of cutter under condition, improving the cutting ability of cutter turns into one of dry machining technology urgent problem to be solved.
Surface Texture technology is a kind of to improve the method for material surface characteristic by changing the physical arrangement of material surface.
Texturing processing is carried out in the specific region of tool surface, and lubricant is added with regard to that can effectively improve in the texture formed
Tool surface lubricating bearing ability, improve the Frotteurism of knife-bits contact surface, strengthen the antiwear and reducing friction ability of tool surface.In
" application number 200710017168.3 " reports a kind of micro-chamber self-lubricating knife tool and preparation method thereof to state's patent, and it uses fine electricity
Spark process technology processes micropore in cutter rake face knife-bits contact zone, and kollag is filled into micropore, in knife
Lubricant separates out the lubricating film to be formed and serves lubrication during tool cutting.But the method is higher to cutter conduction needs, add
Work precision is low, and finished surface ablation is serious." application number 201210447210.6 " reports that a kind of micro-nano is compound to be knitted to Chinese patent
Structure self-lubricating knife tool and preparation method thereof, it processes micron order texture using laser processing technology on cutter rake face,
Nanoscale texture is processed on negative chamfered edge, and is filled with kollag in texture respectively, improves the abrasion resistance of cutter
Can, improve cutter life.But the method for laser ablation cutter material processing texture is usually present serious heat effect,
Easily cause the faults of construction such as local deformation, the micro-crack of cutter material.Pit bottom and surrounding after processing usually have material heap
Product is, it is necessary to after-treatment.Tokyo Univ Japan Obikawa article：Toshiyuki Obikawa et al.,Micro-
texture at the coated tool face for high performance cutting,International
Journal of Machine Tools＆Manufacture, 51 (2011) 966-972, by photolithographic process before cutter
Dimpling lattice array texture is prepared on knife face, efficiently reduces tool wear, improves Tool in Cutting performance.But the method system
The problems such as complex process, cost is high be present in standby cutter texture.
The content of the invention
The present invention is overcomes the shortcomings of above-mentioned art methods, it is proposed that a kind of electric jet deposition-laser melting coating is micro- is knitted
The preparation method of structure cutter.Methods described forms micron-sized fine jet using functional liquid under electric field force effect, and
Jet deposition goes out micro- texture on tool matrix, while irradiation heat treatment is carried out to the textured material of deposition using laser, and it is heavy to realize
Fast curing-formed and with matrix material the reliable consolidation of product material, the three-dimensional micro- texture of cutter is realized by layer by layer deposition shaping
Manufacture.In dry machining technology, the collective effect of micro- texture and lubricant can effectively reduce tool surface friction, and reduction is cut
Power and cutting temperature are cut, improves cutter life.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of preparation method of the electric micro- texture cutter of jet deposition-laser melting coating, makes functional liquid with certain stream first
Amount flows out from nozzle needle spray orifice；Then certain electric field is applied to functional liquid, is allowed to form the fine jet much smaller than spray orifice internal diameter,
And jet deposition goes out micro- texture on tool matrix；Irradiation heat treatment is carried out to the textured material of deposition using laser simultaneously, made
Rapid curing molding and with the reliable consolidation of tool matrix.The present invention is based on electric jet deposition-micro- texture cutter system of laser melting coating
Standby device realizes that described device includes：Computer control module, electric jet deposition module, CCD micro-imaging modules, laser
Device module.
Described computer control module is computer 5 and associated control software.Described computer 5 draws that cutter is micro- to be knitted
The threedimensional model of structure, and according to each layer cross section outline data of its threedimensional model and filling data control three-dimensional movement platform substrate 7
Motion path and movement velocity.
Described electric jet deposition module includes：1- syringes, 2- functional liquids, 3- micro-injection pumps, 7- three-dimensional motions
Platform substrate, 9- ground connection pole plates, 13- Metallic Nozzle At The Ingots, 14- spray nozzle fixtures, 15- silicone rubber tubes, 16- high voltage power supplies.The function
Liquid 2 is that micro- textured material superfines is blended in the suspension obtained in organic or inorganic solvent.Described micro-injection pump 3
Be fixedly clamped the syringe 1 equipped with functional liquid 2, and the flow of control function liquid 2.The described internal diameter of Metallic Nozzle At The Ingot 13 is
300 μm, upper port is connected by silicone rubber tube 15 with the needle end of syringe 1, and end portion is connected with the positive pole of high voltage power supply 16.
Described three-dimensional movement platform substrate 7 is the metallic plate of carrying tool matrix 8, can do three-shaft displacement under the control of computer 5,
Three-dimensional movement platform substrate 7 is grounded by being grounded pole plate 9.Described spray nozzle fixture 14 is manufactured by insulating materials, and front end clamps spray
First 13, rear end is fixed on transportable Z offset axises.The voltage output range of described high voltage power supply 16 is 0-10kV.
Described CCD micro-imagings module is made up of micro- camera 6 and computer 5.Described micro- camera 6 and computer
5 are connected, and electric jet deposition process is detected in real time by the inspection software of computer 5.
Described laser module is by CO2Laser 4 and computer 5 form.Described CO2Laser 4 and the phase of computer 5
Even, the parameters such as the power output, scanning area, sweep speed of laser 12 are controlled in real time by computer 5.
Micro- texture cutter preparation method of electric jet deposition-laser melting coating is carried out using said apparatus, its specific steps is such as
Under：
(1) pretreatment of tool matrix
Tool matrix surface is processed by shot blasting, and is sequentially placed into acetone and ethanol solution and is cleaned by ultrasonic
20min, to remove tool surface dirt.
(2) the electric jet deposition of micro- texture
Computer 5 draws the threedimensional model of micro- texture, utilizes each layer cross section outline data of its threedimensional model and filling data
The motion path and movement velocity of three-dimensional movement platform substrate 7 corresponding to generation.The functional liquid 2 of certain flow is controlled by metal
Shower nozzle 13 is flowed out, and micron-sized stable jet 11 is formed in high voltage electric field, and jet deposition is on tool matrix 8.Control institute
The three-dimensional movement platform substrate 7 stated moves according to the path of setting and speed, is deposited and three in the designated area of tool matrix 8
The consistent laminate structure of dimension module first layer cross section profile.Wherein, deposition process parameter is：The flow of functional liquid 2 be 2 ×
10-13m3·s-1-5×10-13m3·s-1, the spacing of Metallic Nozzle At The Ingot 13 and tool matrix 8 is 2-3mm, the output of high voltage power supply 16
Voltage is 0.1-6Kv, and the movement velocity of three-D displacement platform substrate 7 is 10mm/s-40mm/s.
(3) laser melting coating of micro- texture
The adjustment hot spot of laser 12 is focused in micro- texture 10 of deposition, and makes the line width phase of laser spot diameter and micro- texture
When.Laser power 50-200W, sweep speed 20mm/s-40mm/s are adjusted, laser 12 and the textured material of deposition are acted on, completed
The curing molding of micro- texture first layer cross section profile thin layer and the reliable consolidation with tool matrix.Computer 5 controls three-dimensional motion
Platform substrate 7 declines the distance of one layer of thin layer.
Repeat step (2), (3), the deposition modeling that successively adds up of material is carried out, prepares the three-dimensional micro- of required dimensions
Texture.
The remarkable result of the present invention is the preparation method using the electric micro- texture cutter of jet deposition-laser melting coating, has and knits
Structure formed precision height, deposition materials strong adaptability, the advantages that materials hot deformation is small.Pass through the adjustment of deposition parameter, it is possible to achieve
The manufacture of the micro- texture of Various Complex.By to textured material laser irradiate be heat-treated, it is possible to achieve textured material it is fast and reliable
Curing molding, avoid the texture occurred during prior heat treatment come off, be layered, crackle the defects of, enhance textured material
Adhesion between layers.The present invention realizes the combination of electric fluidics and laser processing technology.
Brief description of the drawings
Fig. 1 is the micro- texture cutter preparation facilities schematic diagram of electric jet deposition-laser melting coating；
Wherein：1- syringes, 2- functional liquids, 3- micro-injection pumps, 4-CO2Laser, 5- computers, 6- microfacies
Machine, 7- three-dimensional movement platform substrates, 8- tool matrix, 9- ground connection pole plates, the micro- texture of 10-, 11- jets, 12- laser, 13- metals
Shower nozzle, 14- spray nozzle fixtures, 15- silicone rubber tubes, 16- high voltage power supplies；
Fig. 2 is the electric micro- texture cutter preparation technology flow chart of jet deposition-laser melting coating；
Fig. 3 is the micro- texture characteristic schematic diagram of tool surface.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of preparation method of the electric micro- texture cutter of jet deposition-laser melting coating referring specifically to once implementing
Example.
Example 1：
A kind of preparation method of the electric micro- texture cutter of jet deposition-laser melting coating, matrix material select W18Cr4V high-speed steel
Cutter, micro- textured material are Al2O3(its main component is 97%Al2O3, 2%Ni and 1%Al).It is characterized in that the knife before cutter
Micro- texture is processed on face.Specific step of preparation process is as follows：
(1) pretreatment of tool matrix
W18Cr4V high-speed steel tools surface is processed by shot blasting, and is sequentially placed into acetone and ethanol solution and surpasses
Sound cleans 20min, to remove tool surface dirt.
(2) the electric jet deposition of micro- texture
Computer 5 draws the threedimensional model of micro- texture, utilizes each layer cross section outline data of its threedimensional model and filling data
Generate the motion path and movement velocity of three-dimensional movement platform substrate 7 corresponding to micro- texture, three-dimensional micro- texture of this example
The thickness of each layering cross section structure of model is 5 μm, and line width is~100 μm, and the speed of three-D displacement platform substrate 7 is 20mm/
s.From Al2O3Suspension (the hereinafter referred to as Al that nanometer powder and absolute ethyl alcohol mix2O3Nanometer ink) it is functional liquid 2,
Control Al2O3Nanometer ink is with 4 × 10-13m3·s-1Flow velocity export and flow out from Metallic Nozzle At The Ingot 13, and formed in high voltage electric field
Micron-sized stable jet 11, and jet deposition is on tool matrix 8.Wherein, the spacing of Metallic Nozzle At The Ingot 13 and cutter rake face
For 2mm, the output voltage of high voltage power supply 16 is 4.5kV.The described three-dimensional movement platform substrate 7 of control according to predetermined path and
Speed is moved, and the laminate structure consistent with threedimensional model first layer cross section profile is deposited in cutter rake face designated area.
(3) laser melting coating of micro- texture
The adjustment hot spot of laser 12 is focused in micro- texture 10.Adjustment laser spot diameter~100 μm, laser power 100W,
Sweep speed 35mm/s, laser 12 and the textured material of deposition act on, and complete micro- texture first layer cross section profile thin layer Al2O3's
Curing molding and the reliable consolidation with tool matrix.Computer 5 controls three-dimensional movement platform substrate 7 to decline 5 μm.
Repeat step (2), (3), carry out Al2O3The deposition modeling that successively adds up of nano material, prepares required dimensions
Three-dimensional micro- texture.
Example 2：
A kind of preparation method of the electric micro- texture cutter of jet deposition-laser melting coating, matrix material are high from W6Mo5Cr4V2
Fast steel cutter, micro- textured material are that (its main component is 80%WC, 10%Co, 5%W, 1.5%VC, 1%Cr to hard alloy3C2
And 1%Ni, 1%Al and 0.5%Mo).It is characterized in that micro- texture is processed on the rake face of cutter.Specific preparation technology step
It is rapid as follows：
(1) pretreatment of tool matrix
W6Mo5Cr4V2 high-speed steel tools surface is processed by shot blasting, and is sequentially placed into acetone and ethanol solution
It is cleaned by ultrasonic 20min, to remove tool surface dirt.
(2) the electric jet deposition of micro- texture
Computer 5 draws the threedimensional model of micro- texture, utilizes each layer cross section outline data of its threedimensional model and filling data
Generate the motion path and movement velocity of three-dimensional movement platform substrate 7 corresponding to micro- texture.Three-dimensional micro- texture of this example
The thickness of each layering cross section structure of model is 7 μm, and line width is~150 μm, and the speed of three-D displacement platform substrate 7 is 10mm/
s.The suspension (hereinafter referred to as hard alloy nanometer ink) mixed from hard alloy nanometer powder and absolute ethyl alcohol is work(
Energy liquid 2, control hard alloy nanometer ink is with 4 × 10-13m3·s-1Flow velocity from the exit of Metallic Nozzle At The Ingot 13 flow out, and
Micron-sized stable jet 11 is formed in high voltage electric field, and jet deposition is on tool matrix 8.Wherein, Metallic Nozzle At The Ingot 13 and knife
The spacing for having rake face is 2mm, and the output voltage of high voltage power supply 16 is 4.5kV.The described three-dimensional movement platform substrate 7 of control is pressed
Path and speed motion according to setting, are deposited and threedimensional model first layer cross section profile phase one in cutter rake face designated area
The laminate structure of cause.
(3) laser melting coating of micro- texture
The adjustment hot spot of laser 12 is focused in the micro- texture 10 of hard alloy.Adjust laser spot diameter~150 μm, laser work(
Rate 100W, sweep speed 30mm/s, laser 12 and the textured material of deposition act on, and complete micro- texture first layer cross section profile thin layer
The curing molding of hard alloy and the reliable consolidation with tool matrix.Computer 5 controls three-dimensional movement platform substrate 7 to decline 7 μm.
Repeat step (2), (3), the deposition modeling that successively adds up of Hardmetal materials is carried out, prepares required dimensions
Three-dimensional micro- texture.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (1)
- A kind of 1. preparation method of the electric micro- texture cutter of jet deposition-laser melting coating, it is characterised in that following steps：(1) pretreatment of tool matrixTool matrix surface is processed by shot blasting, and is sequentially placed into acetone and ethanol solution and is cleaned by ultrasonic 20min, with Remove tool surface dirt；(2) the electric jet deposition of micro- textureComputer 5 draws the threedimensional model of micro- texture, utilizes each layer cross section outline data of its threedimensional model and filling data generation The motion path and movement velocity of three-dimensional movement platform substrate (7) corresponding to micro- texture；The thickness of the individual layer cross section structure of the threedimensional model of described micro- texture is 1 μm -10 μm, described three-D displacement platform base Plate (7) movement velocity is 10mm/s-40mm/s；Micro- textured material superfines is blended in organic or inorganic solvent functional liquid (2) is made, control it with a constant current Amount is flowed out from Metallic Nozzle At The Ingot (13), and micron-sized stable jet 11 is formed in high voltage electric field, and jet deposition is in tool matrix (8) on；The flow of described functional liquid (2) is 2 × 10-13m3·s-1-5×10-13m3·s-1, in described Metallic Nozzle At The Ingot (13) 300 μm of footpath, the spacing with tool matrix (8) are 2-3mm, and described high voltage electric field is provided by high-voltage DC power supply (16), and its is defeated It is 0.1-6Kv to go out voltage；Control three-dimensional movement platform substrate (7) to be moved according to the path of setting and speed, deposited and three in cutter designated area The consistent laminate structure of dimension module first layer cross section profile；(3) laser melting coating of micro- textureAdjustment laser (12) hot spot is focused in micro- texture (10), and adjustment laser spot diameter is suitable with the line width of micro- texture, is swashed Luminous power 50-200W, sweep speed 20mm/s-40mm/s, laser (12) and the textured material of deposition act on, and complete micro- texture the The curing molding of one layer cross section profile layer material and the reliable consolidation with tool matrix；Computer (5) control three-dimensional motion is put down Stylobate plate (7) declines the distance of one layer of thin layer；Repeat step (2), (3), the deposition modeling that successively adds up of micro- textured material is carried out, prepare the three-dimensional of required dimensions Micro- texture.
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| CN201711159861.4A CN107805808B (en) | 2017-11-20 | 2017-11-20 | Preparation method of electric jet deposition-laser cladding micro-texture cutter |
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| CN201711159861.4A CN107805808B (en) | 2017-11-20 | 2017-11-20 | Preparation method of electric jet deposition-laser cladding micro-texture cutter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608555A (en) * | 2018-05-10 | 2018-10-02 | 山东大学 | A method of preparing layered composite ceramic cutter material biscuit using electric jet stream deposition technique |
| CN108866541A (en) * | 2018-07-17 | 2018-11-23 | 山东大学 | A kind of preparation method of laser assisted electricity jet stream deposition soft and rigid composite coating layer |
| CN108914116A (en) * | 2018-07-17 | 2018-11-30 | 山东大学 | A kind of method that laser melting coating assists electric jet stream deposition technique progress powder preset |
| CN109554693A (en) * | 2018-12-12 | 2019-04-02 | 山东大学 | A kind of metal surface wear resistant friction reducing zirconia ceramics coating and preparation method thereof |
| CN109550953A (en) * | 2018-12-06 | 2019-04-02 | 山东大学 | A kind of method that laser lithography-electrospray deposition prepares micro- texture |
| CN109822290A (en) * | 2019-01-18 | 2019-05-31 | 广东工业大学 | The cutting process of the preparation method of the micro- texture coated cutting tool of Jet Polishing and coated cutting tool cooperation micro lubricating |
| CN113369108A (en) * | 2021-01-14 | 2021-09-10 | 南方科技大学 | Preparation method of electric field regulation and control sensor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608555A (en) * | 2018-05-10 | 2018-10-02 | 山东大学 | A method of preparing layered composite ceramic cutter material biscuit using electric jet stream deposition technique |
| CN108866541A (en) * | 2018-07-17 | 2018-11-23 | 山东大学 | A kind of preparation method of laser assisted electricity jet stream deposition soft and rigid composite coating layer |
| CN108914116A (en) * | 2018-07-17 | 2018-11-30 | 山东大学 | A kind of method that laser melting coating assists electric jet stream deposition technique progress powder preset |
| CN109550953A (en) * | 2018-12-06 | 2019-04-02 | 山东大学 | A kind of method that laser lithography-electrospray deposition prepares micro- texture |
| CN109554693A (en) * | 2018-12-12 | 2019-04-02 | 山东大学 | A kind of metal surface wear resistant friction reducing zirconia ceramics coating and preparation method thereof |
| CN109822290A (en) * | 2019-01-18 | 2019-05-31 | 广东工业大学 | The cutting process of the preparation method of the micro- texture coated cutting tool of Jet Polishing and coated cutting tool cooperation micro lubricating |
| CN109822290B (en) * | 2019-01-18 | 2021-05-07 | 广东工业大学 | Preparation method of jet polishing micro-texture coating cutter and cutting method of coating cutter matched with micro-lubrication |
| CN113369108A (en) * | 2021-01-14 | 2021-09-10 | 南方科技大学 | Preparation method of electric field regulation and control sensor |
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