CN110026631A - A kind of the main shaft executive device and processing method of electrical discharge machining hexagonal hole - Google Patents
A kind of the main shaft executive device and processing method of electrical discharge machining hexagonal hole Download PDFInfo
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- CN110026631A CN110026631A CN201910387261.6A CN201910387261A CN110026631A CN 110026631 A CN110026631 A CN 110026631A CN 201910387261 A CN201910387261 A CN 201910387261A CN 110026631 A CN110026631 A CN 110026631A
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- lip river
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- pentagon
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- 238000009760 electrical discharge machining Methods 0.000 title claims abstract description 33
- 238000003672 processing method Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000003754 machining Methods 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 239000012224 working solution Substances 0.000 claims abstract description 10
- 238000002679 ablation Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010892 electric spark Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 208000028659 discharge Diseases 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
-
- 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
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
-
- 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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
A kind of the main shaft executive device and processing method of electrical discharge machining hexagonal hole, belong to electric spark machining field.Solves the problems such as ablation product discharge effect is poor, and discharge condition is unstable in sinking EDM.When being processed using this method, Lip river pentagonal electrode is strangled to do rotation movement and do revolution motion around regular hexagon sleeve mandrel, its compound motion track is a regular hexagon, to make to scan a regular hexagon region in electrical discharge machining with the tool-electrode for strangling Lip river pentagonal section.Due to strangling rotation and the revolution motion of Lip river pentagonal electrode, the ablation product generated in edm process can take processing gap out of with the flowing of the movement and working solution of strangling Lip river pentagonal electrode, the discharge for being conducive to ablation product is remarkably improved the processing efficiency of deep hexagonal hole.This method is mainly used for processing hexagonal hole.
Description
Technical field
The present invention relates to electric spark machining fields, and in particular to a kind of main shaft of electrical discharge machining hexagonal hole executes dress
It sets, and the processing method of application device processing hexagonal hole.
Background technique
Hexagonal hole has good structural behaviour, and regular hexagon structure stress is stablized, and space utilization rate is high, using same
Material more than sample is processed, and regular hexagon structure is most to save the mode of material to realize required performance requirement.Positive six
The fields such as side shape hole is widely used in aerospace, spatial design is connected with structure, as air material inside and satellite it is outer
Shell also largely uses regular hexagon structure, and the connection between components also mostly uses the regular hexagon i.e. structure of hexagon ring.
But the processing method of current hexagonal hole is single, the methods of traditional milling and sinking EDM be compared with
For universal processing method.Wherein Milling Process can only process some large scales, free machining work due to the presence of cutting force
Part, in some unmanageable hard metal materials, conventional tool cutting is difficult to carry out.In order to avoid cutting force is to machining accuracy
Influence and limitation that workpiece material is required, the method for the special process is gradually widely used in complex-shaped surface mould and difficult-to-machine material
Processing.Wherein Electrolyzed Processing and sinking EDM are common methods, but the processing efficiency of electrochemical machining method compared with
It is low, processing cost is higher, there is also pollution the phenomenon that.Sinking EDM have noncontact procession, process not by
It is many advantages, such as material hardness limitation, the extensive material being capable of processing, hard with competent height especially suitable for machine cut difficult processing
The special materials such as degree, high intensity, high-melting-point, high tenacity, high brittleness, but in sinking EDM there is chip removal difficulty,
It is also easy to produce the problems such as undesirable elements such as secondary discharge influence machining accuracy.Therefore, a kind of novel electrical discharge machining positive six is sought
The processing unit (plant) and processing method in side shape hole suffer from great meaning to the processing and application of regular hexagon pore structure.
Summary of the invention
Chip removal is difficult when the present invention is to solve sinking EDM hexagonal hole, it is difficult to want up to expected processing
The problems such as asking, the present invention provides a kind of main shaft executive device of electrical discharge machining hexagonal hole and processing methods.
A kind of main shaft executive device of electrical discharge machining hexagonal hole, it includes support plate, direct current generator, motor branch
Frame, Hooks coupling universal coupling strangle Lip river pentagon cam, regular hexagon sleeve, Morse's taper electrode holder, strangle Lip river pentagonal electrode；
Direct current generator main shaft, Hooks coupling universal coupling, strangle Lip river pentagon cam, Morse's taper electrode holder, strangle Lip river pentagonal electrode from
It is sequentially coaxially installed under, Morse's taper electrode holder and Le Luo pentagonal electrode are cooperatively connected using Morse's taper.
Le Lip river pentagonal electrode is graphite electrode, is prepared using high-rate wireless LAN method；
It strangles Lip river pentagon cam and regular hexagon sleeve is all made of plasma spray technology and carries out wearability processing；
The cross sectional shape of the cross sectional shape and Le Luo pentagon cam of strangling Lip river pentagonal electrode is to strangle Lip river pentagon, in main shaft
Drive under, strangle Lip river pentagon cam and Le Luo pentagonal electrode and be co-axially mounted, strangle Lip river pentagon cam in regular hexagon sleeve
It inside does rotation and does revolution motion around sleeve mandrel, the track of compound motion is a regular hexagon, strangles Lip river pentagon cam
It drives Le Lip river pentagonal electrode to do same track movement, strangles Lip river pentagonal electrode bottom surface and carried out by under the complex track of rotation and revolution
Spark discharge processing, can scan and process regular hexagon region.
The method for realizing processing hole using a kind of main shaft executive device of electrical discharge machining hexagonal hole, feature exist
In detailed process is as follows for the method in the processing hole:
Step 1: a kind of main shaft executive device of electrical discharge machining hexagonal hole is mounted on spark-erosion machine tool,
Workpiece to be added is fixed on the clamping device in work tank, and is filled with working solution into work nest；
Step 2: the phase of Le the Lip river pentagonal electrode and workpiece to be processed in main executive device is adjusted by servo-control system
To position, its gap is made to be in initial manufacture position；
Step 3: pulse power positive and negative electrode is connected with Le Lip river pentagonal electrode and workpiece to be processed respectively, and direct current generator is powered
It starts to work, output main shaft is still around positive six while driving via Hooks coupling universal coupling transmitting torque and strangle the cam rotation of Lip river pentagon
The mandrel of side shape sleeve revolves, and carries out electro-discharge machining by the complex track of rotation and revolution to strangle Lip river pentagonal electrode, scans
Process regular hexagon region.Gap voltage detection device carries out the gap voltage between workpiece and Le Luo pentagonal electrode real
When detect, servo-control system receive gap voltage detection device feedback come information simultaneously control spark-erosion machine tool Z-direction
Movement strangles discharging gap between Lip river pentagonal electrode and workpiece to control, and carry out the servo on processing hole depth direction into
It gives to complete the processing of hexagonal hole, under the rotation and revolution compound motion for strangling Lip river pentagonal electrode, is produced in process
Processing gap is taken in the working solution flushing that raw ablation product can be flowed out of.
Principle analysis: the present invention is to utilize to strangle the pentagonal wide property in Lip river, therefore strangling Lip river pentagon cam can be in regular hexagon
Carried out in the boundary of sleeve smoothly, snugly rotation and revolution compound motion completely, the Le Lip river pentagon and cam and
It strangles Lip river pentagonal electrode to be co-axially mounted, and the two motion profile having the same, so electrode is in compound regular hexagon rail
Electro-discharge machining is carried out under mark, can scan out a regular hexagon region.By a kind of electrical discharge machining positive six of the present invention
The main shaft executive device in side shape hole is mounted on the Z axis of electric spark machine tool, and detection device and servo-system pass through control electricity
Discharging gap between pole bottom surface and workpiece carries out the servo feed in hole depth direction, realizes the processing of hexagonal hole.Strangling Lip river
Under the rotation and revolution compound motion of pentagonal electrode, the working solution that the ablation product generated in process can be flowed is rushed
It washes and takes processing gap out of.
Compared with the existing technology, the gain effect that the present invention has:
The present apparatus due to strangling rotation and revolution motion of the Lip river pentagonal electrode in working solution so that working solution by ablation product from
Processing develops in gap, is convenient for chip removal, promotes processing efficiency；Double-sleeve structure makes electrode have good movement steady
Property and concentricity retentivity；Morse's taper electrode holder and Le Luo pentagonal electrode are cooperated using Morse's taper, make to strangle five side of Lip river
Concentricity with higher and easy to disassemble between shape electrode and Morse's taper electrode holder；It is electricity that Lip river pentagonal electrode, which is strangled, with graphite
Pole material, graphite electrode has the advantages that easy processing, cheap, and graphite electrode can form carbon protective film to compensate graphite electrode
Loss；It strangles Lip river pentagon cam and regular hexagon sleeve is all made of plasma spray technology and carries out wearability processing, improve cam machine
The wearability of structure improves machining accuracy and processing stability.
Detailed description of the invention:
Fig. 1 is a kind of main shaft executive device structural schematic diagram of electrical discharge machining hexagonal hole of the present invention；
Fig. 2 is the schematic illustration for strangling Lip river pentagonal electrode workpieces processing；
Fig. 3 is the flow chart strangled Lip river pentagonal electrode and rotate clockwise one week processing hexagonal hole.
Description of symbols: 1, support plate, 2, direct current generator, 3, electric machine support, 4, Hooks coupling universal coupling, 5, Le Lip river pentagon
Cam, 6, regular hexagon sleeve, 7, Morse's taper electrode holder, 8, Le Lip river pentagonal electrode.
Specific embodiment:
Specific embodiment 1: referring to Fig. 1, a kind of main shaft execution of electrical discharge machining hexagonal hole described in present embodiment
Device, the device include support plate 1, direct current generator 2, electric machine support 3, Hooks coupling universal coupling 4, strangle Lip river pentagon cam 5, positive six side
Shape sleeve 6, strangles Lip river pentagonal electrode 8 at Morse's taper electrode holder 7；
Wherein electric machine support 3 and regular hexagon sleeve 6 are coaxially fixed in support plate 1, and motor output shaft, is strangled Hooks coupling universal coupling 4
Lip river pentagon cam 5, Morse's taper electrode holder 7, Le Lip river pentagonal electrode 8 sequentially coaxially connect installation, and it is convex to strangle Lip river pentagon
Wheel 5 in regular hexagon sleeve install completely by fitting, and main shaft rotation is driven after electrical power, and main shaft connects 4 band of Hooks coupling universal coupling
It is dynamic strangle Lip river pentagon cam 5 and Le Luo pentagonal electrode 8 do rotation movement and around regular hexagon sleeve mandrel revolution motion；
Morse's taper electrode holder (7) He Leluo pentagonal electrode (8) is cooperatively connected using Morse's taper；
Strangling Lip river pentagonal electrode (8) is graphite electrode；It strangles Lip river pentagon cam (5) and regular hexagon sleeve (6) is all made of thermal jet
Painting technology carries out wearability processing；
Referring to attached drawing 2 and Fig. 3, a kind of main shaft executive device of electrical discharge machining hexagonal hole, Fig. 3 is to strangle
Lip river pentagonal electrode 8 rotates clockwise, it is every rotation 45 ° when electrode position；The principle of the device is to utilize Le Lip river pentagon energy
Carried out in the boundary of regular hexagon smoothly, completely snugly rotation and revolution compound motion, the angular speed of rotation and revolution
The ratio between be 6:1, the Le Lip river pentagon and cam 5 and Le Luo pentagonal electrode 8 are co-axially mounted, and the two is having the same
Motion profile, so the electric discharge of electrode bottom surface scans and processes regular hexagon region；
It is wear-resisting that Le Lip river pentagon cam described in present embodiment 5 and regular hexagon sleeve 6 are all made of plasma spray technology progress
Property processing, can lift cam wearability, improve processing stability and machining accuracy.
Specific embodiment 2: a kind of electrical discharge machining regular hexagon described in present embodiment and specific embodiment one
The difference of the main shaft executive device in hole is that carburizing and quenching can be used in the Le Lip river pentagon cam 5 and regular hexagon sleeve 6
Or the heat treatment modes such as nitrogen treatment carry out the surface hardness and wearability of lift cam mechanism, compared to specific embodiment one,
There is the advantage for not needing secondary operation, but heat treatment process is relatively complicated.
Specific embodiment 3: a kind of electrical discharge machining positive six described in present embodiment and specific embodiment one or two
The difference of the main shaft executive device in side shape hole is that Morse's taper electrode holder 7 is changed to universal spark-erosion machine tool fixture, increases
Strong suitability, without preparing dedicated electrode holder.
Specific embodiment 4: strangling Lip river pentagonal electrode 8 and strangling Lip river pentagon cam 5 cut referring to attached drawing 2 and Fig. 3
Face shape must be to strangle Lip river pentagon, but size can not be identical, when Le Lip river pentagonal electrode 8 and strangle Lip river pentagon cam 5
When size is identical, the processable hexagonal hole that side length is a out of the Le Lip river pentagonal electrode 8 for being a with width；To processing
The hexagonal hole of different dimensions can be realized by replacement various sizes of Le Lip river pentagonal electrode 8.
Specific embodiment 5: referring to attached drawing 1 to 3, just using a kind of electrical discharge machining described in specific embodiment one
The method that the main shaft executive device of hexagonal hole realizes processing hexagonal hole, the specific mistake of the method for the processing hexagonal hole
Journey are as follows: step 1: a kind of main shaft executive device of electrical discharge machining hexagonal hole is mounted on spark-erosion machine tool,
Workpiece to be added is fixed on the clamping device in work tank, and is filled with working solution into work nest；
Step 2: it is adjusted by servo-control system in main executive device and strangles Lip river pentagonal electrode 8 and workpiece to be processed
Relative position makes its gap be in initial manufacture position；
Step 3: pulse power positive and negative electrode is connected with Le Lip river pentagonal electrode 8 and workpiece to be processed respectively, and direct current generator 2 is logical
Electricity is started to work, and output main shaft is transmitted while torque drives and strangles 5 rotation of cam of Lip river pentagon via Hooks coupling universal coupling 4 and is still around
The mandrel of regular hexagon sleeve 6 revolves, and puts to strangle Lip river pentagonal electrode 8 and carry out electric spark by the complex track of rotation and revolution
Electric machining scans and processes regular hexagon region, and gap voltage detection device is between workpiece and Le Luo pentagonal electrode 5
Gap voltage is measured in real time, and servo-control system receives the information that gap voltage detection device feedback is come and controls electric spark
The movement in machine Z-axis direction strangles discharging gap between Lip river pentagonal electrode 8 and workpiece to control, and carries out processing hole depth
Servo feed on direction completes the processing of hexagonal hole, in the rotation and revolution compound motion for strangling Lip river pentagonal electrode
Under, processing gap is taken in the working solution flushing that the ablation product generated in process can be flowed out of.
Claims (2)
1. a kind of main shaft executive device of electrical discharge machining hexagonal hole, which is characterized in that the device include support plate (1),
Direct current generator (2), Hooks coupling universal coupling (4), strangles Lip river pentagon cam (5), regular hexagon sleeve (6), Mohs at electric machine support (3)
Taper electrode holder (7) strangles Lip river pentagonal electrode (8)；Direct current generator (1) main shaft, Hooks coupling universal coupling (4), Le Lip river pentagon are convex
Wheel (5), Morse's taper electrode holder (7), Le Lip river pentagonal electrode (8) are sequentially coaxially installed from top to bottom；Morse's taper electrode
Fixture (7) He Leluo pentagonal electrode (8) is cooperatively connected using Morse's taper；Strangling Lip river pentagonal electrode (8) is graphite electrode, is adopted
It is prepared with high-rate wireless LAN method；It strangles Lip river pentagon cam (5) and regular hexagon sleeve (6) is all made of plasma spray technology
Carry out wearability processing；The cross sectional shape of the cross sectional shape and Le Luo pentagon cam (5) of strangling Lip river pentagonal electrode (8) is to strangle
Lip river pentagon is strangled Lip river pentagon cam (5) He Leluo pentagonal electrode (8) and is co-axially mounted, strangle five side of Lip river under the drive of main shaft
Shape cam (5) does rotation movement in regular hexagon sleeve (6) and does revolution motion, the track of compound motion around sleeve mandrel
It is a regular hexagon；Strangling Lip river pentagon cam (5) drives Le Lip river pentagonal electrode (8) to do same track movement, strangles Lip river pentagon
Electrode (8) scans by spark discharge processing is carried out under the complex track of rotation and revolution and processes regular hexagon region.
2. using a kind of positive six side of main shaft executive device realization processing of electrical discharge machining hexagonal hole described in claim 1
The method in shape hole, the detailed process of the method for the processing hexagonal hole are as follows:
Step 1: a kind of main shaft executive device of electrical discharge machining hexagonal hole is mounted on spark-erosion machine tool,
Workpiece to be added is fixed on the clamping device in work tank, and is filled with working solution into work nest；
Step 2: Le Lip river pentagonal electrode (8) and the workpiece to be processed in main executive device are adjusted by servo-control system
Relative position, so that its gap is in initial manufacture position；
Step 3: pulse power positive and negative electrode is connected with Le Lip river pentagonal electrode (8) and workpiece to be processed respectively, direct current generator
(2) it starts to work after being powered, output main shaft drives via Hooks coupling universal coupling (4) transmitting torque and strangles Lip river pentagon cam (5) rotation
While be still around the mandrel revolution of regular hexagon sleeve (6), to strangle Lip river pentagonal electrode (8) by the compound of rotation and revolution
Track carries out electro-discharge machining, scans and processes regular hexagon region, and gap voltage detection device is to workpiece and Le Luo pentagon electricity
Gap voltage between pole (8) is measured in real time, and servo-control system receives the information that gap voltage detection device feedback is come
And the movement of spark-erosion machine tool Z-direction is controlled, discharging gap between Lip river pentagonal electrode (8) and workpiece is strangled to control, and
The servo feed on processing hole depth direction is carried out to complete the processing of hexagonal hole, strangle Lip river pentagonal electrode (8) from
Turn and revolve under compound motion, the working solution flushing that the ablation product generated in process can be flowed is taken out of between processing
Gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387261.6A CN110026631A (en) | 2019-05-10 | 2019-05-10 | A kind of the main shaft executive device and processing method of electrical discharge machining hexagonal hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387261.6A CN110026631A (en) | 2019-05-10 | 2019-05-10 | A kind of the main shaft executive device and processing method of electrical discharge machining hexagonal hole |
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| CN110026631A true CN110026631A (en) | 2019-07-19 |
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| CN201910387261.6A Pending CN110026631A (en) | 2019-05-10 | 2019-05-10 | A kind of the main shaft executive device and processing method of electrical discharge machining hexagonal hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788425A (en) * | 2019-11-12 | 2020-02-14 | 哈尔滨理工大学 | Main shaft execution device and method for electric spark machining of fillet-free regular hexagonal hole |
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|---|---|---|---|---|
| JPS59107825A (en) * | 1982-12-09 | 1984-06-22 | Mitsubishi Electric Corp | Modification of mold effected by wire cut electric spark machining |
| CN2363821Y (en) * | 1998-10-07 | 2000-02-16 | 机械工业部苏州电加工机床研究所 | Electrode for deep small hole electric spark machining |
| JP2008000834A (en) * | 2006-06-21 | 2008-01-10 | Sodick Co Ltd | Nc boring electric-discharge machining method by wire electrode line |
| JP2013176820A (en) * | 2012-02-28 | 2013-09-09 | Denso Corp | Electric discharge machining method and electric discharge machining device for tapered hole |
| CN204018900U (en) * | 2014-05-20 | 2014-12-17 | 江南大学 | A kind of liquid enhanced spark machined Porous electrode clamping device that rushes |
| CN106041232A (en) * | 2016-06-28 | 2016-10-26 | 哈尔滨工业大学 | Main shaft execution mechanism for electrical discharge machining device for machining square holes and machining method implemented through execution mechanism |
| CN209919043U (en) * | 2019-05-10 | 2020-01-10 | 哈尔滨理工大学 | Main shaft execution device for processing regular hexagonal hole by electric spark |
-
2019
- 2019-05-10 CN CN201910387261.6A patent/CN110026631A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107825A (en) * | 1982-12-09 | 1984-06-22 | Mitsubishi Electric Corp | Modification of mold effected by wire cut electric spark machining |
| CN2363821Y (en) * | 1998-10-07 | 2000-02-16 | 机械工业部苏州电加工机床研究所 | Electrode for deep small hole electric spark machining |
| JP2008000834A (en) * | 2006-06-21 | 2008-01-10 | Sodick Co Ltd | Nc boring electric-discharge machining method by wire electrode line |
| JP2013176820A (en) * | 2012-02-28 | 2013-09-09 | Denso Corp | Electric discharge machining method and electric discharge machining device for tapered hole |
| CN204018900U (en) * | 2014-05-20 | 2014-12-17 | 江南大学 | A kind of liquid enhanced spark machined Porous electrode clamping device that rushes |
| CN106041232A (en) * | 2016-06-28 | 2016-10-26 | 哈尔滨工业大学 | Main shaft execution mechanism for electrical discharge machining device for machining square holes and machining method implemented through execution mechanism |
| CN209919043U (en) * | 2019-05-10 | 2020-01-10 | 哈尔滨理工大学 | Main shaft execution device for processing regular hexagonal hole by electric spark |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788425A (en) * | 2019-11-12 | 2020-02-14 | 哈尔滨理工大学 | Main shaft execution device and method for electric spark machining of fillet-free regular hexagonal hole |
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