CN108907378A - Electric conducting grinding head and ultrasonic vibration assisted electrolysis are ground complex-shaped surface mould molding machine - Google Patents
Electric conducting grinding head and ultrasonic vibration assisted electrolysis are ground complex-shaped surface mould molding machine Download PDFInfo
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- CN108907378A CN108907378A CN201811168148.0A CN201811168148A CN108907378A CN 108907378 A CN108907378 A CN 108907378A CN 201811168148 A CN201811168148 A CN 201811168148A CN 108907378 A CN108907378 A CN 108907378A
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- electrolyte
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- electric conducting
- grinding head
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING 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
- B23H5/00—Combined machining
- B23H5/06—Electrochemical machining combined with mechanical working, e.g. grinding or honing
- B23H5/08—Electrolytic grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING 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
- B23H5/00—Combined machining
- B23H5/10—Electrodes specially adapted therefor or their manufacture
Abstract
Present disclose provides a kind of electric conducting grinding heads and ultrasonic vibration assisted electrolysis to be ground complex-shaped surface mould molding machine, electric conducting grinding head is designed as cone cell under upper tube by the disclosure, the through-hole that with corresponding position below conehead to be provided with pore size in pipe simultaneously equal, makes the distribution of machining area even flow field；By being vibrated to processing unit (plant) assisting ultrasonic, and the revolving speed and feed speed of ultrasonic wave electro spindle is reasonably adjusted, rationally control the flow velocity and flow of electrolyte, can be realized the high efficiency Precision Machining of deep hole, type chamber and inner passage.
Description
Technical field
This disclosure relates to which a kind of electric conducting grinding head and ultrasonic vibration assisted electrolysis are ground complex-shaped surface mould molding machine.
Background technique
With the continuous propulsion of modernization, high-tech product emerges one after another, also more and more with foraminate part.
Fine and Deep Hole structure is widely used on the kernel component in the fields such as aerospace, precision instrument, such as Hydraulic Elements blade cooling
Sky, the parts such as metal drawing die are required to the damping hole into part, engine nozzle needle-valve is required to the processing of Fine and Deep Hole.These
The precision and quality requirement in hole is also higher and higher, this undoubtedly brings huge challenge to processing technology.
Electrochemical grinding is in a kind of combined machining method for combining electrolysis and mechanical grinding to act on, it compares Electrolyzed Processing
There are higher precision and surface quality, have higher efficiency and stability than mechanical grinding, and abrasion of grinding wheel amount is small, is suitable for mill
Cut the conductive metallic material of the difficult grinding such as various high intensity, high rigidity, thermal sensitivity, brittleness.Due to meeting between tool-electrode and workpiece
It generates electrolyte turbulent phenomenon and causes gap smoothness unstable, influence the finished surface precision and quality of inner passage.In order to
Finished surface precision is improved, the revolving speed and feed speed of ultrasonic wave electro spindle must be reasonably adjusted, rationally controls the flow velocity of electrolyte
With flow, to improve the stability of aperture process.
Summary of the invention
The disclosure to solve the above-mentioned problems, proposes a kind of electric conducting grinding head and ultrasonic vibration assisted electrolysis grinding complexity
Electric conducting grinding head is designed as cone cell under upper tube by chamber molding machine, the disclosure, while the corresponding position in pipe and below conehead is opened
There is the through-hole that pore size is equal, is distributed machining area even flow field；By being vibrated to processing unit (plant) assisting ultrasonic, Yi Jihe
The revolving speed and feed speed of reason adjustment ultrasonic wave electro spindle, rationally control the flow velocity and flow of electrolyte, can be realized deep hole, type
The high efficiency Precision Machining of chamber and inner passage.
To achieve the goals above, the disclosure adopts the following technical scheme that：
A kind of electric conducting grinding head, including tubular cylinder interconnected mill and hemispherical bistrique, during tubular cylinder mill is
Hollow structure, is internally provided with electrolyte passage, and the side wall of the lower end of tubular cylinder mill is provided with along electrolyte passage even circumferential
Multiple first branchs of distribution, one end of the first branch are connected to electrolyte passage, and the other end is ground through tubular cylinder
Side wall；The first branch has the tilt angle declined from center to side wall, and is A with the angle of electrolyte passage；
The hemispherical bistrique bottom is provided with multiple second branchs, and the second branch is around the axle center of hemispherical bistrique circle
Week is uniformly distributed, and one end of the second branch is connected to the end of electrolyte passage, and the other end is through hemispherical bistrique
Outer wall, the first branch have the tilt angle declined from center to outer wall, and are B, included angle A with the angle of electrolyte passage
Greater than included angle B.
The hemispherical bistrique is built-in with pressure sensor piece, and the pressure sensor piece can be controlled by controller, real-time perception
Mill is to the pressure of cavity lateral in tubular cylinder, controls servo valve with this, and then control the flow velocity of electrolyte.
It is limited as further, the head end of each first branch is located in same level, the end of each first branch
End is located in same level；
The head end of each second branch is located in same level, and the end of each second branch is located at same level
On.
It is limited as further, the structure snd size of each first branch are identical, the structure and ruler of each second branch
It is very little identical.
It is limited as further, included angle A is 45 °, and angle B is 30 °.
It is limited as further, erosion resisting insulation painting is provided on the inner wall of each first branch and each second branch
Layer.
A kind of ultrasonic vibration assisted electrolysis grinding complex-shaped surface mould molding machine, including three-dimensional moving mechanism, motion control machine
Structure, current signal collecting mechanism, electrolyte circulation mechanism, ultrasonic vibration installation, controller and machining of electric main shaft, the processing electricity
Above-mentioned electric conducting grinding head is provided on main shaft, wherein：
The three-dimensional moving mechanism drives machining of electric main shaft to carry out the movement on x, y or/and z-axis direction, the movement control
Movement or stopping in three-dimensional moving mechanism all directions described in mechanism controls processed, the electrolyte circulation mechanism are main to processing electricity
Circulation provides electrolyte in the electrolyte passage of axis, and the inner wall of electrolyte passage is coated with insulating layer, sets on the machining of electric main shaft
It is equipped with ultrasonic vibration installation, the ultrasonic vibration installation acts on the electric conducting grinding head, during injecting electrolyte, utilizes
Ultrasonic cavitation effect, makes pole clearance passivating film and other by-products timely update exclusion, the current signal collecting mechanism
The current value when processing of machining of electric main shaft is acquired, and feeds back to controller, the controller adjusts main shaft according to machined parameters
Revolving speed, feed speed or/and ultrasonic vibration frequency and amplitude.
It is limited as further, the three-dimensional moving mechanism, including stereo pillar support, and X, Y along stereo pillar support
With rotating threaded shaft Z-direction respectively arranged guide rail and be set on guide rail, Y direction guide rail is set to X-axis by sliding block
On the rotating threaded shaft of traversing guide, Z-direction guide rail is set on the rotating threaded shaft of Y direction guide rail by sliding block, Z-direction
Moving mass is provided on guide rail, the machining of electric main shaft is fixed on moving mass.
It is limited as further, the sliding block is controlled by the driving of stepper motor, and the stepper motor is controlled by control
Device processed, stepper motor rotate driving lead screw are rotated, the movement with movable slider.
It is limited as further, the electrolyte circulation mechanism is connecting line and circulating pump, and the electrolyte passes through
Connecting line enters inside from the through-hole of the extension end of machining of electric main shaft, from the gap of the side wall of electric conducting grinding head and bottom and workpiece
It flows out around, circulating pump is provided on connecting line.
It is limited as further, the ultrasonic vibration installation includes the luffing connecting rod connecting with connecting rod subordinate end, institute
It states luffing connecting rod to connect with ultrasonic transducer, ultrasonic transducer is connect with supersonic generator and AC power source by conducting wire.
It is limited as further, the ultrasonic vibration installation is mounted on the tapered moving mass of center band by fixed jaw
On, handling amendment is carried out when facilitating machining of electric main shaft.
Compared with prior art, the disclosure has the beneficial effect that：
Linkage and the swivel feeding movement of electro spindle while three axis may be implemented, realize workpiece to greatest extent in sky
Between processing in region, greatly improve the machining accuracy and stability of electric conducting grinding head；
Electrolyte is set to generate cavitation by the way that ultrasonic vibration installation is arranged, in time more by the abrasive grain of passivation and electrolysate
Newly, bistrique is improved to the rate of dissolution of passivating film, further increases machining accuracy and processing efficiency；
Tubulose above electric conducting grinding head, head be it is hemispherical, hemispherical for opening pre- hole, tubulose carries out reaming, particularly suitable
In the electrochemical grinding of some special circumstances such as inner hole, inner mold chamber.Meanwhile using percolation feed flow, injection feed flow side at present is compensated for
Defect existing for formula has expanded the engineer application of electrochemical grinding.
It is identical with inner diameter size with the structure of second branch using the first branch, it is distributed machining area even flow field, electricity
Solution liquid generates cavitation effect under ultrasonic vibration effect, reinforced conductive bistrique to the removal of workpiece surface passivating film, make passivation
Abrasive grain falls off in time, realizes the high efficiency Precision Machining of deep hole, type chamber and inner passage.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the system of processing apparatus structure schematic diagram of the present embodiment；
Fig. 2 is the system of processing entirety axonometric drawing of the present embodiment；
Fig. 3 (a) and Fig. 3 (b) is the system of processing device electric conducting grinding head structural schematic diagram of the present embodiment；
Wherein, 1, column support, 2, positioning guide rail, 3, feed screw nut, 4, stepper motor, 5, moving mass, 6, electrolyte, 7, modeling
Material conduit, 8, pump, 9, servo valve, 10, handling nut, 11, ultrasound electric principal shaft, 12, electrolyte guide hole (inner wall has insulating layer),
13, fixed jaw, 14, energy converter, 15, supersonic generator, 16, luffing connecting rod, 17, current signal vasculum, 18, Hall current
Sensor, 19, brush, 20, dual-purpose electric conducting grinding head, 21, DC power supply, 22, workpiece, 23, industrial personal computer, 24, motion control card,
25, platform fixing clamp, 26, pressure sensor piece
Specific embodiment：
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs
The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand
For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected；It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be,
It should not be understood as the limitation to the disclosure.
As shown in Figure 1, linkage ultrasonic vibration assisted electrolysis is ground complex-shaped surface mould molding machine, including column support 1, positioning are led
Rail 2, feed screw nut 3, stepper motor 4, moving mass 5, electrolyte 6, plastic catheter 7, pump 8, servo valve 9, handling nut 10, ultrasound
Electro spindle 11, electrolyte guide hole (inner wall has insulating layer) 12, fixed jaw 13, energy converter 14, supersonic generator 15, luffing connecting rod
16, current signal vasculum 17, Hall current sensor 18, brush 19, dual-purpose electric conducting grinding head 20, DC power supply 21, workpiece 22,
Industrial personal computer 23, motion control card 24, platform fixing clamp 25, pressure sensor piece 26.Wherein, the bottom of column support 1 is arranged four admittedly
Clamp 25 is fixed on stand above big workpiece or other hardware.Small workpiece can also be directly anchored to electro spindle
Underface.Secondly, rotatable positioning guide rail 2 and lead screw 3 is respectively set in X, Y of column support, Z-direction, stepper motor 4 is vertical
Column side is accurately controlled lead screw, the moving mass 5 on the rotation every guide rail of driving of lead screw.Main shaft is connected in middle moving blocks
Frame, ultrasonic wave electro spindle is by the fixation of fixed jaw 13 on main shaft frame.There are electrolytic cell, the electrolysis in electrolytic cell above column support
Liquid flows into the central bore 12 of main shaft by pump 8, servo valve 9.
Dual-purpose electric conducting grinding head 20 is removably attachable on ultrasound electric principal shaft 11 by loading and unloading nut 10.Dual-purpose electric conducting grinding head
20 connect Hall current sensor 18 by brush 19, and Hall current sensor 18 connects current signal vasculum 17, electric current letter
Number vasculum 17 is connect with industrial personal computer 23.
Hall current sensor 18 and current signal vasculum 17 form current signal collection device, acquisition in real time and detection
In process the case where electric current, the mutation of electric current is avoided to device band to adversely affect.
Energy converter 14 is provided on ultrasound electric principal shaft 11, energy converter 14 connects supersonic generator 15, ultrasound by conducting wire
Wave producer 15 is connected under the supply of AC power source with industrial personal computer 23, and is controlled.Energy converter 14 and luffing connecting rod 16 into
Row connection, luffing connecting rod 16 are attached with dual-purpose electric conducting grinding head 20.AC power source 21 is axial in dual-purpose 20 bar portion of electric conducting grinding head
Under ultrasonic vibration effect, machining area electrolyte 6 generates cavitation, can timely update and be passivated abrasive grain, improves tool heads to blunt
The rate of dissolution for changing film, further increases work pieces process efficiency.
Luffing connecting rod 16 is connect with ultrasonic transducer, and ultrasonic transducer is with supersonic generator, AC power source by leading
Line connection.Ultrasonic vibration installation is mounted on the tapered support slipper of center band by three fixed jaws, to facilitate electro spindle
Shi Jinhang handling amendment.
The electrolyte inlet and plastic catheter 7 of dual-purpose electric conducting grinding head 20 are connected to the accommodating chamber of storage electrolyte 6, and plastics are led
One end of pipe 7 is provided with pump 8, and the other end is provided with servo valve 9.
Pressure sensor piece 26 built in dual-purpose electric conducting grinding head 20 can perceive tubulose circle under the control of industrial personal computer 23 at any time
Mill is to the pressure of cavity lateral in column, controls servo valve 9 with this, and then control the flow velocity of electrolyte, reaches even flow field, grind
Cut stable purpose.
The bar portion of dual-purpose electric conducting grinding head 20 passes through the cathode of connection DC power supply 21, and workpiece 22 passes through conducting wire and DC power supply
21 anode is connected.Dual-purpose electric conducting grinding head 20 connects Hall current sensor 18 and current signal vasculum 17 by conducting wire, will
Electric current and voltage of the analog signal transmission to the control electrolysis of industrial personal computer 23.Meanwhile computer passes through conducting wire and 24 phase of motion control card
Even, under the control of single-chip microcontroller, three stepper motor operatings are driven, and then lead screw with holes rotates.In addition to this, electric conducting grinding head can
To be regularly replaced by loading and unloading nut 10.
As shown in Fig. 3 (a), Fig. 3 (b), electric conducting grinding head is designed as upper tube lower hemispherical, and be provided in hemispherical bottom
Small through-hole conveying electrolyte, be in order to more accurately open pre- hole, secondly, tubular mid also opens hole conveying electrolyte, be for
More stable reaming, and be machining area Flow Field Distribution is uniform, avoid the dispersion corrosion outside work pieces process region.
In the present embodiment, the side wall of tubular cylinder mill lower end is provided with 4 oblique 45 ° of through-holes, aforementioned four through-hole position
It is distributed in being same as on horizontal plane, and around its axle center even circumferential, and the pore size of through-hole is identical.
Hemispherical bistrique bottom is provided with 4 oblique 60 ° of through-holes, and aforementioned four through-hole, which is located at, to be same as on horizontal plane, and around
The distribution of its axle center even circumferential, and the pore size of through-hole is identical.Under the action of circulating pump, electrolyte passes through plastic tube from electricity
The through-hole of spindle rotor extension end enters internal blind hole, then pass through the centre bore of clamping device from the side wall of conductive abrasive wheel and
Bottom and the gap of workpiece are flowed out around.Wherein, it is erosion resisting insulation material that the through-hole wall of electrolyte is flowed through at center, is protected
Card electrolyte will not react with electro spindle, keep machining area Flow Field Distribution uniform, avoid spuious outside work pieces process region
Corrosion.Reinforced conductive bistrique to the removal of workpiece surface passivating film, so that the abrasive grain of passivation is fallen off in time, realize deep hole, type chamber and
The high efficiency Precision Machining of inner passage.
Control and electric conducting grinding head swivel feeding movement of the device by industrial personal computer 23 to moving mass in the X, Y, Z direction,
Meanwhile by adjusting the principal elements such as electrochemical grinding electric current, ultrasonic vibration frequency, amplitude, the speed of mainshaft, realize to greatest extent
To the high efficiency Precision Machining of complicated deep hole, type chamber and inner passage in space.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. a kind of electric conducting grinding head, it is characterized in that：Including tubular cylinder interconnected mill and hemispherical bistrique, the tubular cylinder
Mill is hollow structure, is internally provided with electrolyte passage, and the side wall of the lower end of tubular cylinder mill is provided with along electrolyte passage circle
All equally distributed multiple first branchs, one end of the first branch are connected to electrolyte passage, and the other end runs through tubulose
The side wall of cylinder mill；The first branch has the tilt angle declined from center to side wall, and the angle with electrolyte passage
For A；
The hemispherical bistrique bottom is provided with multiple second branchs, and the second branch is equal around the axle center circumference of hemispherical bistrique
Even distribution, and one end of the second branch is connected to the end of electrolyte passage, the other end runs through the outer wall of hemispherical bistrique,
The first branch has the tilt angle declined from center to outer wall, and is B with the angle of electrolyte passage, and included angle A is greater than
Included angle B.
2. a kind of electric conducting grinding head as described in claim 1, it is characterized in that：The head end of each first branch is located at same level
On, the end of each first branch is located in same level；
The head end of each second branch is located in same level, and the end of each second branch is located in same level.
3. a kind of electric conducting grinding head as described in claim 1, it is characterized in that：The structure snd size of each first branch are identical, respectively
The structure snd size of a second branch are identical.
4. a kind of electric conducting grinding head as described in claim 1, it is characterized in that：The inner wall of each first branch and each second branch
On be provided with erosion resisting insulation coating.
5. a kind of ultrasonic vibration assisted electrolysis is ground complex-shaped surface mould molding machine, it is characterized in that：Including three-dimensional moving mechanism, movement
Control mechanism, current signal collecting mechanism, electrolyte circulation mechanism, ultrasonic vibration installation, controller and machining of electric main shaft, it is described
Above-mentioned electric conducting grinding head is provided on machining of electric main shaft, wherein：
The three-dimensional moving mechanism drives machining of electric main shaft to carry out the movement on x, y or/and z-axis direction, the motion control machine
Structure controls the movement or stopping in the three-dimensional moving mechanism all directions, and the electrolyte circulation mechanism is to machining of electric main shaft
Circulation provides electrolyte in electrolyte passage, and the inner wall of electrolyte passage is coated with insulating layer, is provided on the machining of electric main shaft
Ultrasonic vibration installation, the ultrasonic vibration installation act on the electric conducting grinding head, during injecting electrolyte, utilize ultrasound
Wave cavitation makes pole clearance passivating film and other by-products timely update exclusion, the current signal collecting mechanism acquisition
The current value when processing of machining of electric main shaft, and feed back to controller, the controller according to machined parameters adjust the speed of mainshaft,
Feed speed or/and ultrasonic vibration frequency and amplitude.
6. a kind of ultrasonic vibration assisted electrolysis as claimed in claim 5 is ground complex-shaped surface mould molding machine, it is characterized in that：It is described
Three-dimensional moving mechanism, including stereo pillar support, and along the respectively arranged guide rail of X, Y and Z-direction of stereo pillar support and setting
In the rotating threaded shaft on guide rail, Y direction guide rail is set on the rotating threaded shaft of X-direction guide rail by sliding block, and Z-direction is led
Rail is set on the rotating threaded shaft of Y direction guide rail by sliding block, and moving mass, the processing electricity are provided on Z-direction guide rail
Main shaft is fixed on moving mass.
7. a kind of ultrasonic vibration assisted electrolysis as claimed in claim 6 is ground complex-shaped surface mould molding machine, it is characterized in that：It is described
Sliding block is controlled by the driving of stepper motor, and the stepper motor is controlled by controller, and stepper motor rotate driving lead screw is turned
It is dynamic, the movement with movable slider.
8. a kind of ultrasonic vibration assisted electrolysis as claimed in claim 5 is ground complex-shaped surface mould molding machine, it is characterized in that：It is described
Electrolyte circulation mechanism is connecting line and circulating pump, and the electrolyte passes through connecting line from the extension end of machining of electric main shaft
Through-hole enters inside, flows out around from the side wall of electric conducting grinding head and bottom and the gap of workpiece, is provided with and follows on connecting line
Ring pump.
9. a kind of ultrasonic vibration assisted electrolysis as claimed in claim 5 is ground complex-shaped surface mould molding machine, it is characterized in that：It is described
Ultrasonic vibration installation includes the luffing connecting rod connecting with connecting rod subordinate end, and the luffing connecting rod is connect with ultrasonic transducer, is surpassed
Acoustic wave transducer is connect with supersonic generator and AC power source by conducting wire.
10. a kind of ultrasonic vibration assisted electrolysis as claimed in claim 5 is ground complex-shaped surface mould molding machine, it is characterized in that：Institute
It states hemispherical bistrique and is built-in with pressure sensor piece, the pressure sensor piece is controlled by controller, mill in real-time perception tubular cylinder
To the pressure of cavity lateral, servo valve is controlled with this, and then control the flow velocity of electrolyte.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811168148.0A CN108907378B (en) | 2018-10-08 | 2018-10-08 | Electric conducting grinding head and ultrasonic vibration assisted electrolysis are ground complex-shaped surface mould molding machine |
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|---|---|---|---|
| CN201811168148.0A CN108907378B (en) | 2018-10-08 | 2018-10-08 | Electric conducting grinding head and ultrasonic vibration assisted electrolysis are ground complex-shaped surface mould molding machine |
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| CN108907378B CN108907378B (en) | 2019-10-01 |
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| CN110524377A (en) * | 2019-09-05 | 2019-12-03 | 扬州大学 | A kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system and method |
| CN110744155A (en) * | 2019-10-23 | 2020-02-04 | 扬州大学 | Efficient electrolytic grinding device and machining method for honeycomb sector |
| CN112059337A (en) * | 2020-08-24 | 2020-12-11 | 大连理工大学 | Ultrasonic electrolytic composite grinding method for SiC plate |
| CN112453303A (en) * | 2020-10-28 | 2021-03-09 | 华中科技大学 | Micro-channel vibration-assisted plough extrusion-forging composite forming device and method |
| CN113275679A (en) * | 2021-05-12 | 2021-08-20 | 安徽工程大学 | Electrolytic grinding machining system and method for industrial robot |
| CN113664304A (en) * | 2021-09-18 | 2021-11-19 | 上海交通大学 | Grinding and high-speed electric spark in-situ composite processing device |
| US20210387274A1 (en) * | 2020-06-12 | 2021-12-16 | Jiangxi University Of Science And Technology | Electrolysis and grinding combined machining device and method |
| CN115846783A (en) * | 2023-02-07 | 2023-03-28 | 中北大学 | Ultrasonic auxiliary device for electric spark internal flushing microporous drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112453303A (en) * | 2020-10-28 | 2021-03-09 | 华中科技大学 | Micro-channel vibration-assisted plough extrusion-forging composite forming device and method |
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| CN113664304A (en) * | 2021-09-18 | 2021-11-19 | 上海交通大学 | Grinding and high-speed electric spark in-situ composite processing device |
| CN115846783A (en) * | 2023-02-07 | 2023-03-28 | 中北大学 | Ultrasonic auxiliary device for electric spark internal flushing microporous drilling machine |
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| CN108907378B (en) | 2019-10-01 |
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