CN102773572A - Overlaid plate type internal solution filling forming electrode for high-speed electric discharge machining - Google Patents
Overlaid plate type internal solution filling forming electrode for high-speed electric discharge machining Download PDFInfo
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- CN102773572A CN102773572A CN2012100267225A CN201210026722A CN102773572A CN 102773572 A CN102773572 A CN 102773572A CN 2012100267225 A CN2012100267225 A CN 2012100267225A CN 201210026722 A CN201210026722 A CN 201210026722A CN 102773572 A CN102773572 A CN 102773572A
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Abstract
The invention discloses an overlaid plate type internal solution filling forming electrode for high-speed electric discharge machining, which comprises an electrode overlaid plate set and an electrode contact, wherein the electrode overlaid plate set is formed by overlaying and fastening a plurality of electrode plates, so forming electrodes are formed for electric discharge machining, a plurality of through grooves are formed in the surfaces of the electrode plates, a plurality of through holes are formed between the forming electrodes through overlaying the electrode plates, and are used for being filled with the working solution for realizing the forcible internal solution filling during the machining process, the electrode contact comprises an electrode overlaid plate port, a working solution inlet and a machine tool fixture port, and the forming electrodes are connected with a machine tool spindle chuck through the electrode contact, and provide the channels for the working solution to flow towards the through holes in the electrode overlaid plate set during the internal solution filling.
Description
Technical field
What the present invention relates to is a kind of shaped electrode that belongs to the special processing technology field, specifically, is be used for high rate discharge processing stacked interior towards the liquid shaped electrode.
Background technology
High rate discharge processing is to utilize the short arc discharge that can conduct up to up to ten thousand amperes of discharge currents efficiently to lose the novel electric processing method except that workpiece material especially hard-cutting material.Electric arc is the main means that erosion removes workpiece material in high rate discharge processing, thereby also possibly become the latency that causes the overheated burn of workpiece.Must take effective means to stop the formation of stable arc in the process, make electric arc be in the also timely when needed breaking arc of state of disturbance and promptly realize what is called " current interruption ".Therefore, the key that adopts short electric arc to carry out high rate discharge processing is will have to disturb arc, current interruption mechanism reliably.The electric arc that is utilized of edm process belongs to the fexible conductor that is in dynamic equilibrium state, and the plasma that cation, electronics and the neutral particle (atom or molecule) that is equated substantially by quantity formed is subject to ectocine and becomes unstable even disappearance.This attribute of electric arc makes the mode can adopt the distance that increases between cathodic discharge point and the anode discharge point perhaps discharge channel to be imposed its deflection elongation of enough foreign compulsions that it can't be kept and realizes disturbing arc, current interruption.With respect to the current interruption mode that the relative mechanical movement of surface of the work realizes, can be described as the mechanical movement current interruption through electrode; Disturb arc and current interruption and the fluid dynamic that is produced through the swiftly flowing working solution of interpolar realizes, we are referred to as " fluid dynamic is disturbed/current interruption ".
Retrieval through to prior art finds that the current interruption of current short arc discharge processing all is to adopt mechanical movement current interruption mechanism to realize.For example woodworking machinery factory in lane, Weifang City is at patent CN87212711, and Co., Ltd of Suzhou Electric Machine Tool Research Institute discloses anode machine cuts device and part-structure separately respectively in patent CN201644967.The anode machine cuts originates from the forties in last century, is a kind of method of utilizing the compound action cutting metal material of electrochemistry, electric heating and mechanical force.This method will be cut workpiece as anode, link to each other with dc power anode.During cutting at incision glass (sodium metasilicate) electrolyte that waters.The cutting tool tangential workpiece that rotates at a high speed.Under the effect of dc source, the metal of workpiece cut surface generates oxide-film because of electrolysis, and is constantly struck off by the cutting tool of rotation at a high speed, is taken away by electrolyte.Also be accompanied by arc discharge between some raised points of cut surface and the instrument, metal is also taken away with electrolyte by high temperature melting, gasification and lose and remove, and cutting tool is just cut in the workpiece gradually, until cut-out.Anode machine cuts lathe generally has two kinds of disc type and belts.Except that electrolytic effect, the elimination of electrical discharge arc also is to accomplish through the relative motion between instrument and the workpiece.Ye Liangcai discloses processing method and the equipment that short arc discharge and mechanical grinding combine in patent CN87106421A; And short electric arc electromachining equipment further disclosed in patent CN 1061175A; What these two patents related to is the process of a kind of being called " melting and explosion processing ", the combined processing method that promptly adopts discoid entity tool-electrode to rotatablely move and remove with short arc discharge realization combining metal melting.Rotation through discoid entity tool-electrode in the process, the relative motion between implementation tool and the workpiece, thus to the electrical discharge arc current interruption that makes mechanical movement, realize efficient discharge processing.By its principle decision, this method mainly is applicable to the processing of slewing parts such as roll, grinding roller.In addition; General Electric Co. Limited is disclosed distributed arc electroerosion processing method in patent CN 1693024A; Suzhou Zhongte Electromechanical Sci-Tech Co., Ltd. discloses in patent CN1397399A and has adopted simple hollow long electrode to carry out in the method for high-efficient milling edm, has all related to the combined processing method that a kind of single hole entity electrode multiaxial motion and short arc discharge combine.Their common ground all is based on relative motion between electrode and workpiece and carries out that the mechanical movement current interruption of electrical discharge arc realizes processing.When adopting this method, the shaping process of workpiece is similar to the spark discharge Milling Process, adopts simple electrode to remove the processing that workpiece material obtains 3D shape through discharge erosion successively, and this type of mode can be used for processing the processing of open type curved surface.Because the loss of simple electrode in process that this method is used is bigger, need in time compensate, Co., Ltd of Suzhou Electric Machine Tool Research Institute discloses a kind of compensation for electrode wear method in patent CN101982280A.
The tool-electrode that adopts in above-mentioned these disclosed short electric arc processes methods is traditional atresia or single hole electrode; At first do not belong to " shaped electrode " that possess 3D shape, can't adopt single shaft feeding " sunk (Sinking) " processing mode to obtain to have the workpiece of three-dimensional appearance; What secondly adopt is that workpiece rotation or electrode rotate the method that realizes the mechanical movement current interruption; Main relative motion (building motion) between instrument and the workpiece is tangent with the component shaping surface; Can produce mechanical movement current interruption effect like this; And based on the high rate discharge processing method of " fluid dynamic is disturbed arc/current interruption "; Relative main motion (building motion) between its instrument and the workpiece is perpendicular to component shaping surface, and the fluid dynamic that relies on swiftly flowing working solution fully and produced is with the electric arc disturbance even blow disconnected.
The inventor discloses a kind of bundling electrode in patent CN 1657208A, kind electrode disperses the monoblock type shaped electrode and turns to and can be polymerized by a large amount of tubular units electrodes, can realize strengthening in the porous towards liquid.Different with above-mentioned traditional liquid-charging type, liquid-charging type can make the working solution flow that flows into interpolar enlarge markedly in this porous, thereby can obtain to have the swiftly flowing working solution flow field that fluid dynamic is disturbed arc/current interruption ability at interpolar.But still there is following some deficiency in this bundling electrode: the approximate curved surface of 1) being made up of cross section, a large amount of small unit owing to its three-dimensional end face, in theory just there is certain error in it between profile continuously with corresponding target is three-dimensional.Thereby when adopting bundling electrode to discharge roughing, be necessary for the subsequent fine manufacturing procedure and keep the allowance greater than this theoretical error value, this can increase the following process time and the cost of part.2) this bundling electrode is made up of the cell electrode of a large amount of linearities, and its flushing hole axis is a straight line, and can't obtain axis is that curve or the flushing hole with variable cross-section are further optimized with the liquid effect that liquidates.3) its method of clamping makes bundling electrode be suitable for the processing of open type die cavity, and is difficult to realize having the workpiece processing of hemi-closure space die cavity.The applicant discloses bundling electrode high rate discharge processing method in patent CN102091839, this method is utilized bundling electrode realization reinforced high pressure, the flow porous is interior towards liquid greatly, and the utilization fluid dynamic is disturbed arc/current interruption mechanism and guaranteed short arc discharge processing.The disclosed electrode of the application can be used as the enforcement electrode of the disclosed bundling electrode high rate discharge of patent CN102091839 processing method, realizes high rate discharge processing.
Summary of the invention
The present invention is directed to the above-mentioned deficiency that prior art exists, provide a kind of high rate discharge processing with stacked interior towards the liquid shaped electrode, this shaped electrode can realize that not only porous is interior towards the liquid function, possesses the ability of carrying out high rate discharge processing; Also have the advantage that the electrode end surface profile is a continuous curve surface simultaneously, can avoid the bundling electrode discrete topology the deficiency of intrinsic face type surface accuracy difference; Its flushing hole axis can be a curve in addition, and the flushing hole cross section can be a variable cross-section, in order to realize the complicated liquid effect of dashing; Can prepare the porous, shaped electrode that is used for hemi-closure space processing and as required in the electrode bottom surface and the side open flushing hole and realize efficiently towards liquid.
The present invention realizes through following technical scheme, comprising: electrode stack of laminations and joint two parts.Wherein the electrode stack of laminations is used to constitute shaped electrode and is carried out edm by a plurality of electrode slice stacks and fastening forming.Electrode lamination fastening is through fastening bolt or fastening rivet or tightens up nut and accomplish.Joint comprises electrode lamination interface, working solution inlet and jig interface, be used for laminar electrodes is connected with the machine tool chief axis chuck through joint, and provide interior during towards liquid working solution lead to the passage that laminar electrodes group mesopore is.When using universal electrode lamination to prepare laminar electrodes; Peripheral flushing hole avaivable electrode lamination housing, elastic sealing ring, the rigidity shelves ring of not participating in the edm part cooperates sealing avoiding working solution to outflow in a large number, and adopts and tighten up nut elastic sealing ring and rigidity shelves ring and laminar electrodes group are fixed.When using customization type electrode lamination to prepare laminar electrodes, needn't use electrode lamination housing, elastic sealing ring and rigidity shelves ring and tighten up nut.
Described electrode slice is to be processed by conductive material.
Its surface of described electrode slice is provided with a plurality of grooves, and these grooves construct a plurality of passages between electrode after the electrode slice stack, and working solution gets into to realize forcing of process interior towards liquid in the confession process.
Its axis of described groove can be straight line or curve.Axis begins from interface end, to the end of processing end.
Its cross sectional shape of described groove is following wherein a kind of: polygon, circular arc and elliptic arc.For needing, can change along the cross sectional shape and the size of axis direction groove towards liquid.
Described electrode slice, except that electrode lamination interface end, the final profile of all the other each faces refers to have and the target entity model identical profile of gained partial model after the discretization successively.The formation of this final profile can the whole processing of processing or stack back respectively before the electrode slice stack.
Described electrode slice has installing hole and supplies fastening bolt or fastening rivet to pass through between upper and lower surfaces.
According to target physical model is after successively the order of discretization superposes the electrode slice that described laminar electrodes is meant some successively along thickness direction, and the assembly through fixing back forms has the profile identical with the target entity model.
Described fixation group is fit, is meant to adopt fastening bolt or fastening rivet the multi-disc electrode to be fixed and the laminar electrodes main body that forms.There are pad or metal platen at interval between fastening bolt or fastening rivet and the electrode slice, destroy in order to avoid electrode slice is directly stressed.
Described electrode lamination housing is a hollow annular structure, and its inboard profile and porous laminar electrodes outline are complementary, and its underpart has external screw thread to be used for and tightens up nut and be connected, and the bottom has opening to be used to screw.
Described elastic sealing ring is a hollow annular structure, and its inboard profile and porous laminar electrodes head machining profile are complementary, and its lateral profile is circular, to realize the end face seal to non-machining area porous.
Described rigidity baffle ring is a hollow annular structure, and its inboard profile and porous laminar electrodes head machining profile are complementary, and its lateral profile is the round boss structure, contacts with tightening up nut, is used to realize the extruding to elastic sealing ring.
The described inside end that tightens up nut is provided with blocking surface realizing the axial limiting to the rigidity baffle ring, is provided with the female thread structure that is complementary with electrode lamination housing with the connection electrode head in the relative side of openend.
Described electrode contact top or middle part are provided with the hollow flushing hole so that working solution gets into, and the bottom is provided with the working solution outlet, to realize in the forcing in the process towards liquid.
The top of said electrode contact is provided with the connecting interface that is complementary with machine tool chief axis.
The bottom of said electrode contact is provided with opening, is used for connecting and gripping the laminar electrodes group.Connection and method of clamping are for being threaded the fastening or flange connection of clip.
The invention has the beneficial effects as follows: laminar electrodes has continuous end face profile can have the machining accuracy higher than bundling electrode; Its loose structure can carry out reinforced high pressure, big flow is interior towards liquid, can disturb arc/current interruption mechanism through fluid dynamic and realize short electric arc high rate discharge processing; Through selecting size, shape, number and the distribution thereof of flushing hole, can realize neatly having different towards the liquid effect by force towards the liquid process, disturb arc/current interruption ability thereby satisfy fluid dynamic with different scouring effects; Its flushing hole axis can be a curve in addition, in order to obtain to be used to realize the shaped electrode of side processing or hemi-closure space processing; Disturb arc/current interruption ability except that having fluid dynamic towards liquid in the reinforcement through the laminar electrodes realization; Also provide following three to realize the indispensable effect of its high rate discharge machining functions: one of which; Efficient removal effect: surface of the work blows off for liquid state because high-velocity fluid can discharge the pending surface of the work that short arc discharge melted in the molten bath and gaseous metal; Avoid solidifying once more of a large amount of motlten metals, and then improved material removing rate; Its two, efficient chip removal effect: because high-velocity fluid can be taken away the metal fragment that high rate discharge produces, avoid causing frequent short circuit, guarantee that processing carries out continually and steadily because a large amount of metal fragments are stranded in machining gap; They are three years old; The high efficiency and heat radiation effect: a large amount of heats that short arc discharge produces can be taken away through the heat convection of strengthening by swiftly flowing working solution; Avoid metallographic structure changes such as the caused surface to be machined annealing of processed workpiece temperature rise, and degradation problem under the dimensional accuracy of bringing is out of shape in thermal expansion.Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 a be according in high rate discharge of the present invention processing stacked towards the assembling sketch map of a preferred embodiment of liquid shaped electrode.
Fig. 1 b is the stacked interior schematic perspective view towards a preferred embodiment of liquid shaped electrode according to high rate discharge processing of the present invention.
Fig. 2 a be according in high rate discharge of the present invention processing stacked towards the sketch map of the part of another embodiment of liquid shaped electrode.
Fig. 2 b is the stacked interior assembling sketch map towards an embodiment of liquid shaped electrode for high rate discharge processing according to the present invention.
Fig. 2 c is the schematic perspective view of the porous laminar electrodes of curve for the flushing hole axis
The specific embodiment
Embodiment 1:
Shown in Fig. 1 a, Fig. 1 b; Present embodiment comprises: electrode contact 1, electrode lamination 2, pressing plate 3, fastening bolt 4, elastic sealing ring 5, rigidity baffle ring 6 and tighten up nut 7; Wherein: 4 pairs of multilayer overlay electrodes of fastening bolt sheet 2 is fastenedly connected; Between fastening bolt 4 and multilayer overlay electrode sheet 2, have pressing plate 3 to isolate, 2 processing of electrode lamination are held and are connected elastic sealing ring 5, rigidity baffle ring 6 successively and tighten up nut 7.Said tighten up nut 7 through with screw in electrode lamination 2 lower external thread realize to elastic sealing ring 5 and to rigidity baffle ring 6 contact and with the compressing of electrode lamination, the other end of electrode lamination 2 is threaded with electrode contact 1.
Described electrode lamination 2 is made up of two kinds of different size electrode slices, wherein a kind of side slotted electrode length of a film 100mm, wide 60mm, thick 2.6mm, the semicircle groove that it is 2mm that both sides are respectively equipped with 10 and 11 equally distributed diameters; Another kind of side slotted electrode length of a film 100mm, wide 60mm, thick 11.8mm, the semicircle groove that it is 2mm that a side is provided with 10 equally distributed diameters; Form porous laminar electrodes head through 2 one-sided slotted electrode sheets and 14 both sides slotted electrode sheets along the thickness direction back that superposes in certain sequence; And process the hemisphere face of 40mm at its end face; The interlude upside is provided with along the through hole of the diameter 6mm of the thick direction of electrode lamination and is used for fixedly porous laminar electrodes head of fastening bolt 3; External screw thread at the M50 that processes the long 15mm of being apart from the upper and lower 7.5mm of this bolt hole axis place respectively tightens up nut and electrode contact with connection, and the square structure at interlude place is used for spanner porous laminar electrodes head is screwed.
Described elastic sealing ring 5 is a hollow annular structure, and its inside and outside outline diameter is 40mm and 55mm, to realize that the hole that is in non-machining area is carried out end face seal.
Described rigidity baffle ring 6 is a hollow annular structure, and its inboard outline diameter is 40mm, and its lateral profile is the round boss structure; The boss axis of great circle is 55mm, high 2mm; Axis of small circle is 50mm, high 3mm, is used for contacting with tightening up nut, to realize the extruding to elastic sealing ring.
Described inside diameter of tightening up nut 7 is 55mm; Being provided with inside diameter at its openend is that the blocking surface of 50mm is to realize the axial limiting to the rigidity baffle ring; The female thread structure that is provided with M55 in the relative side of openend is to connect porous laminar electrodes head; Saidly tighten up the outer-hexagonal shape structure that nut has length of side 34mm, so that spanner is to tightening up screwing of nut.
The inboard of described electrode contact 1 is provided with the hollow flushing hole of diameter 14mm to be pressed into working solution; Forcing reliably in the realization process is interior towards liquid; The outside one end of electrode contact 1 is provided with the M50 helicitic texture with connection electrode lamination 2; The interlude of electrode contact 1 is the outer-hexagonal structure of length of side 34mm, is convenient to spanner to the screwing of electrode contact, and the outside other end of electrode contact 1 is provided with the column interface of the external diameter 20mm that is complementary with machine tool chief axis.
Embodiment 2:
Shown in Fig. 2 a, Fig. 2 b, Fig. 2 c; Present embodiment comprises: electrode contact 1, electrode lamination 2, pressing plate 3, fastening bolt 4 or fastening rivet 4; Wherein: fastening bolt 4 or 4 pairs of multilayer overlay electrodes of fastening rivet lamination 2 are fastenedly connected, and the non-processing end of electrode lamination 2 is threaded with electrode contact 1.
Described electrode lamination 2 is made up of two kinds of different size electrode slices; Wherein a kind of electrode length of a film 120mm, wide 65mm, thick 3.464mm; The axis that it is 2mm that one side is provided with 6 equally distributed diameters is the semicircle groove of curve, and the axis that it is 2mm that opposite side is provided with 5 equally distributed diameters is the semicircle groove of curve; Another kind of electrode length of a film 120mm, wide 65mm, thick 16.144mm, the axis that it is 2mm that a side is provided with 6 diameters is the semicircle groove of curve; Form porous laminar electrodes head through 2 one-sided slotted electrode sheets and 8 both sides slotted electrode sheets along the thickness direction back that superposes in certain sequence; And process the target profile at its end face; The internal thread that the upper end is provided with M55 is used for connection electrode joint 1; The interlude upside is provided with along the through hole of the diameter 6mm of electrode slice thickness direction and is used for fixedly porous laminar electrodes head of fastening bolt 4; The interlude downside is provided with and is used for fastening rivet along the through hole 8 of the diameter 2mm of electrode slice thickness direction electrode slice is fixed, in case electrode slice is long, its lower end is owing to cause sealing to descend and leakage towards the liquid effect.
The inboard of described electrode contact 1 is provided with the hollow hole of diameter 14mm to be pressed into working solution; Forcing in the realization process is interior towards liquid; The outside one end of electrode contact 1 is provided with the M55 helicitic texture to connect laminar electrodes; The interlude of electrode contact is the outer-hexagonal structure of length of side 34mm, is convenient to spanner to the screwing of electrode contact, and the outside other end of electrode contact 1 is provided with the column interface of the external diameter 20mm that is complementary with machine tool chief axis.
Although be described being considered to preferred and typical embodiment of the present invention here, those skilled in the art should should be readily appreciated that other distortion of the present invention through the instruction here.Therefore, desirable is to guarantee that all these modification all fall in true spirit of the present invention and the scope in appended technical scheme.It is as shown in the figure,
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technical staff in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. one kind is used for the stacked interior towards the liquid shaped electrode of high rate discharge processing; Comprise electrode stack of laminations and electrode contact; It is characterized in that said electrode stack of laminations is carried out edm by a plurality of electrode slice stacks and fastening forming to constitute said shaped electrode; Said electrode slice surface is provided with a plurality of grooves; Thereby between said shaped electrode, construct a plurality of through holes through the said electrode slice that superposes, it is interior towards liquid to realize forcing of process that said through hole is used to be pressed into working solution, and said electrode contact comprises electrode lamination interface, working solution inlet and jig interface; Said shaped electrode is connected with the machine tool chief axis chuck through said electrode contact, and provide interior during towards liquid working solution lead to the passage of each through hole described in the said laminar electrodes group.
2. the stacked interior of high rate discharge processing that be used for as claimed in claim 1 towards the liquid shaped electrode; It is characterized in that; The center line of the said groove on said electrode slice surface is straight line or curve; The said center line of said groove begins from the interface end that links to each other with said electrode contact, to the processing end end that workpiece is processed.
3. the stacked interior of high rate discharge processing that be used for as claimed in claim 1 towards the liquid shaped electrode; It is characterized in that; Said groove along the said electrode slice of axis direction can have different cross sectional shapes and size according to interior different needs towards liquid, and the cross sectional shape of the said groove of wherein said electrode slice is selected from a kind of in the following shape: polygon, circular arc and elliptic arc.
4. the stacked interior of high rate discharge processing that be used for as claimed in claim 1 towards the liquid shaped electrode; It is characterized in that; Have installing hole between the upper and lower surfaces of said electrode slice; The position of the said installing hole of adjacent said electrode slice and measure-alike, the said installing holes of a plurality of so folded mutually said electrode slices connect for passing bolt or rivet, thereby combine said electrode slice is fastening.
5. the stacked interior of high rate discharge processing that be used for as claimed in claim 1 towards the liquid shaped electrode; It is characterized in that; The final outline of described electrode slice is the target shaped electrode profile of each layer after the discretization successively, and a plurality of described electrode slices back that superposes in order forms the surface and is said target shaped electrode profile
6. the stacked interior of high rate discharge processing that be used for as claimed in claim 1 towards the liquid shaped electrode; It is characterized in that; Also comprise elastic sealing ring, described elastic sealing ring is a hollow annular structure, and the head machining profile of its inboard profile and said shaped electrode is complementary; Its lateral profile is circular, to realize the end face seal to the said through hole of non-machining area.
7. the stacked interior of high rate discharge processing that be used for as claimed in claim 6 towards the liquid shaped electrode; It is characterized in that also comprise the rigidity baffle ring and tighten up nut, described rigidity baffle ring is a hollow annular structure; The head machining profile of its inboard profile and said shaped electrode is complementary; Its lateral profile is the round boss structure, contacts with the said nut that tightens up, and is used to realize the extruding to said elastic sealing ring.
8. the stacked interior of high rate discharge processing that be used for as claimed in claim 7 towards the liquid shaped electrode; It is characterized in that; The said inside end that tightens up nut is provided with blocking surface to realize the axial limiting to said rigidity baffle ring; Be provided with the female thread structure that is complementary with the head of said shaped electrode in the relative side of said openend being connected the head of said shaped electrode, said outside of tightening up nut is a hexgonal structure so that spanner tightens up screwing of nut to said.
9. the stacked interior of high rate discharge processing that be used for as claimed in claim 1 towards the liquid shaped electrode; It is characterized in that; The inboard of said electrode contact is provided with hollow hole and supplies working solution to get into; Forcing in the realization process is interior towards liquid, and the outer upper end of said electrode contact is provided with the connecting interface that is complementary with said machine tool chief axis.
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| CN103878453A (en) * | 2014-01-07 | 2014-06-25 | 江南大学 | Internal-liquid-flushable electric spark processing porous forming electrode |
| CN107081491A (en) * | 2017-05-16 | 2017-08-22 | 深圳大学 | New thin slice queue microelectrode |
| CN107971588A (en) * | 2017-11-14 | 2018-05-01 | 深圳大学 | The application method of cluster electrode and preparation method thereof and cluster electrode |
| CN109158720A (en) * | 2018-09-27 | 2019-01-08 | 中国航空制造技术研究院 | The means of defence in non-processing face in electrical-chemistry method |
| CN109226917A (en) * | 2018-09-05 | 2019-01-18 | 上海交通大学 | Method for coarsening surface based on electro-discharge machining |
| CN111390310A (en) * | 2020-04-01 | 2020-07-10 | 南京农业大学 | Cathode structure for fuel injection body of diesel engine and electrolytic machining method |
| CN111673209A (en) * | 2020-05-27 | 2020-09-18 | 上海交通大学 | High-speed arc machining inner flushing liquid negative pressure suction device and machining method |
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| CN107081491B (en) * | 2017-05-16 | 2020-06-02 | 深圳大学 | Novel sheet array microelectrode |
| CN107971588A (en) * | 2017-11-14 | 2018-05-01 | 深圳大学 | The application method of cluster electrode and preparation method thereof and cluster electrode |
| CN109226917A (en) * | 2018-09-05 | 2019-01-18 | 上海交通大学 | Method for coarsening surface based on electro-discharge machining |
| CN109158720A (en) * | 2018-09-27 | 2019-01-08 | 中国航空制造技术研究院 | The means of defence in non-processing face in electrical-chemistry method |
| CN111390310A (en) * | 2020-04-01 | 2020-07-10 | 南京农业大学 | Cathode structure for fuel injection body of diesel engine and electrolytic machining method |
| CN111390310B (en) * | 2020-04-01 | 2021-04-02 | 南京农业大学 | Cathode structure for fuel injection body of diesel engine and electrolytic machining method |
| CN111673209A (en) * | 2020-05-27 | 2020-09-18 | 上海交通大学 | High-speed arc machining inner flushing liquid negative pressure suction device and machining method |
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