CN107116275A - A kind of electrolytic machining device - Google Patents

A kind of electrolytic machining device Download PDF

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Publication number
CN107116275A
CN107116275A CN201710343232.0A CN201710343232A CN107116275A CN 107116275 A CN107116275 A CN 107116275A CN 201710343232 A CN201710343232 A CN 201710343232A CN 107116275 A CN107116275 A CN 107116275A
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CN
China
Prior art keywords
liquid
workpiece
negative electrode
gas
electrolytic machining
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Pending
Application number
CN201710343232.0A
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Chinese (zh)
Inventor
刘桂贤
黄榕
张永俊
张传运
陈彩虹
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Guangdong University of Technology
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Guangdong University of Technology
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Publication date
Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to CN201710343232.0A priority Critical patent/CN107116275A/en
Publication of CN107116275A publication Critical patent/CN107116275A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
    • B23H3/10Supply or regeneration of working media

Abstract

The invention discloses a kind of electrolytic machining device, including for clamping workpiece and drive workpiece negative electrode opposite piece X-axis, Y-axis, Z-direction movement lathe, for the liquid-supplying system to workpiece negative electrode feed flow;Also include pressure pulsations system, pressure pulsations system includes the air compressor machine, gas pulses generator and the air and liquid mixer that are sequentially connected, air and liquid mixer is connected to gas-liquid mixed in liquid-supplying system with intermittence and exported to workpiece negative electrode.The electrolytic machining device provided using the present invention, by setting pressure pulsations system, intermittent input gas is simultaneously mixed with working solution, so that liquid working solution and gas-liquid two-phase working solution are alternately, at gas-liquid two-phase working solution filling processing gap, tiny bubble in electrolyte causes rupture close to finished surface due to being blocked, very high pressure and microjet is produced in rupture process, the metal oxide adhesion layer that Electrolyzed Processing is easily generated is effectively removes, so as to improve the stability of Electrolyzed Processing.

Description

A kind of electrolytic machining device
Technical field
The present invention relates to materials processing technology field, more specifically to a kind of electrolytic machining device.
Background technology
Electrolyzed Processing (Electrochemical Machining, ECM) is a kind of anode metal that is based on " ion " shape The method that formula dissolving removes material.Electrolytic processing process have high in machining efficiency, instrument it is lossless, processing after workpiece surface without heat Influence the advantages of layer, smooth body structure surface, internal stress free, flawless, processing are not limited by material hardness and be widely adopted.
In Electrolyzed Processing, the flow field in processing gap is not only directly connected to the height of Electrolyzed Processing precision, surface quality Quality, or even can determine that can Electrolyzed Processing be implemented.Electrolyte flow form mainly has three kinds, just flowing feed flow, effluent feed flow with Reflux feed flow.
Orthoflow feed flow is that electrolyte flows into machining area, the type of flow cathode design with certain pressure from cathode internal Simply it is widely used.But, orthoflow cross section of fluid channel product is in expansion state along electrolyte flow direction, belongs to diffusion flow It is dynamic, easily produce negative pressuren zone in machining area, so as to cavitation occur, meanwhile, machining area flow in short-term, easily go out The working solution now ejected can not fill processing gap in time, so as to cause multi-beam occur, flow liner easily occurs in finished surface Etc. surface defect.
Lateral flow type is processed, and the cross-sectional area of gap inner flow passage generally remains constant along electrolyte flow direction.But, along electricity The electrical conductivity of the electrolyte of solution liquid flow direction can change, and influence machining accuracy.
Reflux formula feed flow is with orthoflow feed flow just on the contrary, electrolyte collects from four circumferential centers of machining area, then Flowed out from the inner passage of negative electrode, cross section of fluid channel product is along electrolyte flow direction in convergence shape, and convergence survey is more beneficial for improving The stability and machining accuracy of Electrolyzed Processing.But, reflux formula feed flow needs to design complicated fixture to form closed die cavity.
In summary, the problems such as how efficiently solving high electrolytic machining device cost, less stable, is current ability Field technique personnel's urgent problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of electrolytic machining device, the structure of the electrolytic machining device is set The problem of meter can efficiently solve high electrolytic machining device cost, less stable.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of electrolytic machining device, including for clamping workpiece and workpiece negative electrode opposite piece is driven in X-axis, Y-axis, Z axis Direction movement lathe, for the liquid-supplying system to the workpiece negative electrode feed flow;Also include pressure pulsations system, the air pressure arteries and veins Dynamic system includes air compressor machine, gas pulses generator and the air and liquid mixer being sequentially connected, and the air and liquid mixer is connected to institute State gas-liquid mixed in liquid-supplying system with intermittence and exported to the workpiece negative electrode.
Preferably, in above-mentioned electrolytic machining device, the gas pulses generator is to pass through switching mode magnetic valve or ratio Control valve realizes the adjustable gas pulses generator of impulse waveform adjustment.
Preferably, in above-mentioned electrolytic machining device, the liquid-supplying system includes liquid reserve tank, the liquid reserve tank and the workpiece Connected between negative electrode by pipeline, in the pipeline along liquid flow direction from front to back direction be disposed with filter, pump, Ball valve and flow control valve.
Preferably, in above-mentioned electrolytic machining device, the rear of the pump is provided with for fluid pressure in signal piping Pressure gauge.
Preferably, in above-mentioned electrolytic machining device, the air and liquid mixer is connected to the rear of the flow control valve.
Preferably, in above-mentioned electrolytic machining device, the rear of the air and liquid mixer is provided with for liquid in signal piping The pressure gauge of body pressure.
Preferably, in above-mentioned electrolytic machining device, the lathe includes being used to drive what the workpiece negative electrode was moved along Z axis Z axis motorized stage, the fixture for clamping the workpiece, the XY axle motorized stages for driving the fixture to be moved along X-axis and Y-axis.
Preferably, in above-mentioned electrolytic machining device, in addition to it is connected to the storage of the workpiece negative electrode and the liquid-supplying system Negative pressure generator between liquid case, the negative pressure generator is used to open when the gas pulses generator is closed, so that work Make liquid and enter workpiece cathode internal runner by processing gap surrounding, then the liquid reserve tank is back to through the negative pressure generator.
The electrolytic machining device that the present invention is provided includes lathe, liquid-supplying system and air pressure pulsation system.Wherein, lathe is used for Clamping workpiece simultaneously drives workpiece negative electrode opposite piece in X-axis, Y-axis, Z-direction movement;Liquid-supplying system is used to supply to workpiece negative electrode Liquid;Pressure pulsations system includes air compressor machine, gas pulses generator and the air and liquid mixer being sequentially connected, air and liquid mixer connection In liquid-supplying system with intermittence by gas-liquid mixed and to workpiece negative electrode export.
Using the present invention provide electrolytic machining device when, by setting pressure pulsations system, intermittent input gas And mixed with working solution so that liquid working solution alternately, adds with gas-liquid two-phase working solution in the filling of gas-liquid two-phase working solution During break gap, the tiny bubble in electrolyte causes rupture close to finished surface due to being blocked, in rupture process, produces Very high pressure and microjet, effectively removes the metal oxide adhesion layer that Electrolyzed Processing is easily generated, so as to improve The stability of Electrolyzed Processing.
In one preferred embodiment, in addition to it is connected to negative between workpiece negative electrode and the liquid reserve tank of liquid-supplying system Generator is pressed, negative pressure generator is used to open when gas pulses generator is closed, so that working solution is entered by processing gap surrounding Enter workpiece cathode internal runner, then liquid reserve tank is back to through negative pressure generator.Reflux Electrolyzed Processing is realized using vacuum generator, The flow velocity of processing district is relatively low, easily occurs some region that cotton-shaped electrolysate is blocked in processing gap, causing process It is unstable, the type of flow for realizing reflux-positive stream switching is processed using pulse gas assisted electrolysis, processing gap will be blocked in Cotton-shaped electrolysate breaks up, and makes the smooth discharge of electrolysate, further increases the stability of Electrolyzed Processing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the electrolytic machining device of a specific embodiment of the invention;
Fig. 2 is orthoflow Electrolyzed Processing schematic diagram;
Fig. 3 is the working solution form schematic diagram in orthoflow Electrolyzed Processing region;
Fig. 4 is the structural representation of the electrolytic machining device of another specific embodiment of the invention;
Fig. 5 is reflux-positive stream suitching type Electrolyzed Processing schematic diagram;
Fig. 6 is the working solution form schematic diagram in reflux-positive stream suitching type Electrolyzed Processing region.
Marked in accompanying drawing as follows:
1st, air and liquid mixer, 2, workpiece negative electrode, 3, bubble, 4, electrolysate, 5, workpiece, 6, compressed air, 7, electrolyte, 8th, negative pressure generator, 9, pressure gauge, 10, safety valve, 11, pump, 12, filter, 13, liquid reserve tank, 14, filter layer, 15, fixture, 16th, XY axles motorized stage, 17, Dali Shitai County, 18, Z axis motorized stage, 20, flow control valve, 21, ball valve, 22, air compressor machine, 23, gas Body impulse generator, 24, pulse electrolysis power supply, 25, biphase gas and liquid flow.
Embodiment
The embodiment of the invention discloses a kind of electrolytic machining device, to reduce the cost of electrolytic machining device, to improve its steady It is qualitative.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Fig. 1-Fig. 3 is referred to, Fig. 1 is the structural representation of the electrolytic machining device of a specific embodiment of the invention;Fig. 2 For orthoflow Electrolyzed Processing schematic diagram;Fig. 3 is the working solution form schematic diagram in orthoflow Electrolyzed Processing region.
In a specific embodiment, the electrolytic machining device that the present invention is provided includes lathe, liquid-supplying system and air pressure arteries and veins Dynamic system.
Wherein, lathe is used for clamping workpiece 5 and drives the opposite piece 5 of workpiece negative electrode 2 in X-axis, Y-axis, Z-direction movement. The concrete structure of lathe refers to prior art, and here is omitted.
Liquid-supplying system is used for the feed flow of workpiece negative electrode 2.It can also specifically be referred to is used for workpiece negative electrode 2 in the prior art The fluid loop of feed flow.Pressure pulsations system includes air compressor machine 22, gas pulses generator 23 and the gas-liquid mixed being sequentially connected Device 1, air and liquid mixer 1 is connected to gas-liquid mixed in liquid-supplying system with intermittence and exported to workpiece negative electrode 2.Namely pass through Air and liquid mixer 1 is series in liquid-supplying system, the gas of certain pressure, such as compressed air 6, and leading to are exported by air compressor machine 22 The frequency and dutycycle output pressure of setting gas pulses generator 23 are crossed to air and liquid mixer 1, so that in liquid-supplying system, week The entrained gas of phase property, realizes the alternation of industry situation working solution and gas-liquid two-phase working solution.Other specific impulse generators and Air compressor machine 22, the structure of air and liquid mixer 1 connect operation principle and refer to prior art, and here is omitted.
Using the present invention provide electrolytic machining device when, by setting pressure pulsations system, intermittent input gas And mixed with working solution so that liquid working solution alternately, adds with gas-liquid two-phase working solution in the filling of gas-liquid two-phase working solution During break gap, the tiny bubble 3 in electrolyte 7 causes rupture close to finished surface due to being blocked, in rupture process, production Very high pressure and microjet is given birth to, the metal oxide adhesion layer that Electrolyzed Processing is easily generated is effectively removes, so as to carry The high stability of Electrolyzed Processing.
Further, gas pulses generator 23 is to realize that impulse waveform is adjusted by switching mode magnetic valve or proportional control valve Whole adjustable gas pulses generator 23.Namely by switching mode magnetic valve or proportional control valve, impulse waveform is realized Adjustment, i.e., input gas to parameters such as the cycles of air and liquid mixer 1 and be adjusted, effectively to control the stabilization of Electrolyzed Processing Property.
Specifically, in above-described embodiment, liquid-supplying system includes liquid reserve tank 13, passes through between liquid reserve tank 13 and workpiece negative electrode 2 Pipeline is connected, and along liquid flow direction, direction is disposed with filter 12, pump 11, ball valve 21 and flow from front to back in pipeline Control valve 20.Namely by setting pump 11 in liquid-supplying system with by the liquid pumping in liquid reserve tank 13 to workpiece negative electrode 2, i.e., Liquid, by filtration of the liquid reserve tank 13 by filter 12, flows through ball valve 21, then in flow control in the presence of pump 11 The flow control of valve 20 is lower to flow into workpiece negative electrode 2.Specific filter 12 and the structure and working principle of the grade of flow control valve 20 please With reference to prior art, here is omitted.By setting the opening and closing of the control piper of ball valve 21, by setting filter 12, effectively Liquid in pipeline is filtered, to prevent impurity etc. enters workpiece negative electrode 2 from influenceing processing effect.The type of specific filter 12 Number grade can be selected as needed.By flow control valve 20 to be controlled to the amount of liquid for flowing into workpiece negative electrode 2, improve The precision and controllability of the Electrolyzed Processing of workpiece negative electrode 2.
Further, the rear of pump 11 is provided with the pressure gauge 9 for fluid pressure in signal piping.Pass through pressure gauge 9 Pressure and display in signal piping, are easy in real time be monitored the fluid pressure for flowing into air and liquid mixer 1.Certainly, according to Need to detect the pressure in pipeline by setting the pressure checking devices such as pressure sensor.It is preferred that, can To set pressure gauge 9, the loine pressure before being controlled with detection flows between pump 11 and flow control valve 20.
It is preferred that, air and liquid mixer 1 is connected to the rear of flow control valve 20.So as to which pump 11 can pass through shorter path Act on liquid reserve tank 13 so that by the liquid pumping in liquid reserve tank 13 to air and liquid mixer 1, with periodically with gas mixing Form gas-liquid two-phase working fluid.
Further, the rear of air and liquid mixer 1 is provided with the pressure gauge 9 for fluid pressure in signal piping.Also That pressure gauge 9 can be set between air and liquid mixer 1 and workpiece negative electrode 2, thus detect the liquid for flowing into workpiece negative electrode 2 or The pressure of gas liquid mixture.Certainly, as needed can also be by setting the pressure checking devices such as pressure sensor with to pipeline Interior pressure is detected.
Primarily illustrating electrolytic machining device above is used for the structure that working solution is just flowing mode, in a preferred embodiment party In formula, the lathe of electrolytic machining device specifically includes XY axles motorized stage 16, Z axis motorized stage, Dali Shitai County 17, fixture 15 and pulse Electrolysis power 24;The liquid-supplying system of Electrolyzed Processing specifically include pressure gauge 9, safety valve 10, ball valve 21 switch, flow control valve 20th, pump 11, filter 12, filter layer 14 and liquid reserve tank 13;Pressure pulsations system specifically includes air compressor, gas pulses hair Raw device 23 and air and liquid mixer 1.
The output pressure pressure of air compressor is controlled, frequency and the dutycycle of setting gas pulses generator 23 export arteries and veins Pressure of taking offence enters air and liquid mixer 1, and the single-phase flow of electrolyte 7 alternately enters processing district with biphase gas and liquid flow 25, passes through XY axles electricity Dynamic platform 16 positions the position of tool cathode and workpiece 5, make pulse electrolysis power 24, negative electrode feeding processing with Z axis motorized stage.Arteries and veins Dynamic flow field causes processing district working solution particle instantaneous velocity pulsatile change big, increases the shearing stress close to machined surface, favorably The electrolysate 4 on machined surface is attached in quick discharge.
In the various embodiments described above, lathe includes being used for driving the Z axis motorized stage that workpiece negative electrode 2 moves along Z axis, for pressing from both sides Hold the fixture 15 of workpiece 5, the XY axles motorized stage 16 for driving fixture 15 to be moved along X-axis and Y-axis.It is cloudy for the ease of control workpiece Movement of the opposite piece 5 of pole 2 on tri- directions of X, Y, Z, drives workpiece negative electrode 2 to be moved along Z axis, level by Z axis motorized stage Side drives fixture 15 to be moved up in XY side upwardly through the clamping workpiece 5 of fixture 15, and by XY axles motorized stage 16, i.e., level is moved It is dynamic, workpiece 5 is processed with the relative position for adjusting workpiece 5 and workpiece negative electrode 2.Z axis motorized stage has with XY axles motorized stage 16 Body can may be contained within Dali Shitai County 17, in order to the movement that lathe when needed is overall.
On the basis of the various embodiments described above, in addition to it is connected between workpiece negative electrode 2 and the liquid reserve tank 13 of liquid-supplying system Negative pressure generator 8, negative pressure generator 8 be used for opened when gas pulses generator 23 is closed so that working solution is between processing Gap surrounding enters the inner flow passage of workpiece negative electrode 2, then is back to liquid reserve tank 13 through negative pressure generator 8.Namely by coordinating negative pressure Switch time between generator 8 and gas pulses generator 23, form the process of reflux-positive stream suitching type.
Specifically, referring to Fig. 4-Fig. 6, Fig. 4 is the structure of the electrolytic machining device of another specific embodiment of the invention Schematic diagram;Fig. 5 is reflux-positive stream suitching type Electrolyzed Processing schematic diagram;Fig. 3 is reflux-positive stream suitching type Electrolyzed Processing region Working solution form schematic diagram.
In another embodiment, the lathe of Electrolyzed Processing include XY axles motorized stage 16, Z axis motorized stage, Dali Shitai County 17, Fixture 15 and pulse electrolysis power supply 24;The liquid-supplying system of Electrolyzed Processing is switched including pressure gauge 9, safety valve 10, ball valve 21, flow Control valve 20, pump 11, filter 12, filter layer 14 and liquid reserve tank 13;Pressure pulsations system includes air compressor, negative pressure and produced Device, gas pulses generator 23 and air and liquid mixer 1.The working solution of processing district is aspirated by producing negative pressure, while by gas-liquid A certain proportion of gas-liquid mixed working solution that mixing chamber is produced periodically backwashes Electrolyzed Processing region.
The pressure of electrolyte 7 is controlled by flow control valve 20, the output pressure pressure of air compressor is adjusted, gas is set The frequency of body impulse generator 23 enters air and liquid mixer 1 with dutycycle output ripple air pressure, coordinate vacuum generator with The switch time of gas pulses generator 23, when negative pressure generator 8 is opened, working solution is entered from processing gap surrounding Cathode internal runner, then be back to by vacuum generator in liquid reserve tank 13, when negative pressure generator 8 is closed, gas arteries and veins Rush generator 23 to open, biphase gas and liquid flow 25 enters processing district so that the flow field of processing district is fully disorderly, break up cotton-shaped electrolysis production Thing 4.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (8)

1. a kind of electrolytic machining device, including for clamping workpiece and workpiece negative electrode opposite piece is driven in X-axis, Y-axis, Z axis side To mobile lathe, for the liquid-supplying system to the workpiece negative electrode feed flow;Characterized in that, also include pressure pulsations system, The pressure pulsations system includes air compressor machine, gas pulses generator and the air and liquid mixer being sequentially connected, the gas-liquid mixed Device is connected to gas-liquid mixed in the liquid-supplying system with intermittence and exported to the workpiece negative electrode.
2. electrolytic machining device according to claim 1, it is characterised in that the gas pulses generator is by switch Type magnetic valve or proportional control valve realize the adjustable gas pulses generator of impulse waveform adjustment.
3. electrolytic machining device according to claim 1, it is characterised in that the liquid-supplying system includes liquid reserve tank, described Connected between liquid reserve tank and the workpiece negative electrode by pipeline, along liquid flow direction, direction is successively from front to back in the pipeline It is provided with filter, pump, ball valve and flow control valve.
4. electrolytic machining device according to claim 3, it is characterised in that the rear of the pump is provided with for detection pipe The pressure gauge of fluid pressure in road.
5. electrolytic machining device according to claim 4, it is characterised in that the air and liquid mixer is connected to the flow The rear of control valve.
6. electrolytic machining device according to claim 5, it is characterised in that the rear of the air and liquid mixer is provided with use In the pressure gauge of fluid pressure in signal piping.
7. electrolytic machining device according to claim 1, it is characterised in that the lathe includes being used to drive the workpiece The Z axis motorized stage that negative electrode is moved along Z axis, the fixture for clamping the workpiece, for driving the fixture to be moved along X-axis and Y-axis Dynamic XY axle motorized stages.
8. the electrolytic machining device according to claim any one of 1-7, it is characterised in that also including being connected to the workpiece Negative pressure generator between the liquid reserve tank of negative electrode and the liquid-supplying system, the negative pressure generator is used in gas pulses hair Raw device is opened when closing, so that working solution enters workpiece cathode internal runner by processing gap surrounding, then is occurred through the negative pressure Device is back to the liquid reserve tank.
CN201710343232.0A 2017-05-16 2017-05-16 A kind of electrolytic machining device Pending CN107116275A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108080755A (en) * 2017-11-28 2018-05-29 南京航空航天大学 Improve the tool cathode and method of electrolysis milling processing bottom surface planarization
CN108672853A (en) * 2018-04-16 2018-10-19 南京航空航天大学 Fliud flushing drawing liquid is intervally arranged the tool and method of Electrolyzed Processing large diameter hole
CN108907383A (en) * 2018-07-20 2018-11-30 常州工学院 A kind of generation of water electrolytic gas product and collection device
CN109972195A (en) * 2019-02-27 2019-07-05 中国工程物理研究院激光聚变研究中心 Electrolyzing and corroding device is used in the demoulding of micro-dimension shell type part metal mold core
CN110394516A (en) * 2019-07-23 2019-11-01 南京航空航天大学 High locality pulsation state electrolysis wire-electrode cutting and processing method and device

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CN104959684A (en) * 2015-05-27 2015-10-07 南京航空航天大学 Conductivity adjustable atomizing medium electric spark discharge ablation and electrolytic combined machining method
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Publication number Priority date Publication date Assignee Title
CN108080755A (en) * 2017-11-28 2018-05-29 南京航空航天大学 Improve the tool cathode and method of electrolysis milling processing bottom surface planarization
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CN108672853A (en) * 2018-04-16 2018-10-19 南京航空航天大学 Fliud flushing drawing liquid is intervally arranged the tool and method of Electrolyzed Processing large diameter hole
CN108672853B (en) * 2018-04-16 2019-11-12 南京航空航天大学 Fliud flushing drawing liquid is intervally arranged the tool and method of Electrolyzed Processing large diameter hole
CN108907383A (en) * 2018-07-20 2018-11-30 常州工学院 A kind of generation of water electrolytic gas product and collection device
CN109972195A (en) * 2019-02-27 2019-07-05 中国工程物理研究院激光聚变研究中心 Electrolyzing and corroding device is used in the demoulding of micro-dimension shell type part metal mold core
CN109972195B (en) * 2019-02-27 2021-03-23 中国工程物理研究院激光聚变研究中心 Electrolytic corrosion device for demoulding metal mold core of micro-size shell-layer part
CN110394516A (en) * 2019-07-23 2019-11-01 南京航空航天大学 High locality pulsation state electrolysis wire-electrode cutting and processing method and device

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Application publication date: 20170901