CN109909564A - A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device - Google Patents
A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device Download PDFInfo
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- CN109909564A CN109909564A CN201910358781.4A CN201910358781A CN109909564A CN 109909564 A CN109909564 A CN 109909564A CN 201910358781 A CN201910358781 A CN 201910358781A CN 109909564 A CN109909564 A CN 109909564A
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- 238000010892 electric spark Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000003801 milling Methods 0.000 claims abstract description 4
- 230000000717 retained effect Effects 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims abstract description 3
- 238000011897 real-time detection Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000009760 electrical discharge machining Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 description 4
- 238000002679 ablation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009763 wire-cut EDM Methods 0.000 description 1
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device, belong to electric spark machining field, described includes accurate translation stage, block electrode, retainer and fixed block etc., it is identical as the gradient of retainer retained part come the gradient for guaranteeing block electrode mounting part that described piece of electrode will cut two angles by electric spark wire cutting method in a pre-installation, and is installed in parallel on accurate translation stage by retainer；The retainer is installed together by bolt group with fixed block, and is fastened by L-type plate with screw bolt；The fixed block is mounted on accurate translation stage and bottom platform by welding manner, and by Milling Process guarantees to install parallel between latter two fixed block；The precision translation stage is the slim accurate translation stage of manual actuation mode, and has lateral locking device.The present invention can not only process the preferable micro-electrode of consistency, and be equal to double block electrode spacing using the aperture that the micro-electrode carries out the small group hole of on-line machining, be not necessarily to on-line measuring device.
Description
Technical field
The present invention relates to electric spark machining fields, and in particular to a kind of double block electrode electric spark of replaceable piece of electrode is counter to be copied
Device and machined electrode and the method with prepared electrode machining micropore.
Background technique
It is right with the fast development and great market demand of the high-end equipment such as aviation and automobile engine, high-speed printer
Small group hole aperture processing consistency and processing efficiency propose increasingly higher demands on micro- spray component.Current small group hole adds
Work method mainly uses laser processing technology and spark erosion technique.Laser processing technology has Working position precision height, adds
The features such as work efficiency rate is high, but it is larger there are hole shape taper the problems such as, and small group's hole electric spark processing because it is with contactless
Processing is not limited by strength of materials hardness and the advantages that machining accuracy is high, is used widely in micro- drilling group of small holes.Micro-
In groupuscule hole electric spark process, the consistency of micro-electrode has directly the consistency for being processed small group hole aperture
It influences, therefore the consistency for improving micro-electrode processing becomes more and more important.
Currently, the common online production method of electric spark micro-electrode has block electrode backcopy process and line electrode electric spark grinding
Method.Compared to line electrode electric spark grinding method, the processing efficiency of block electrode backcopy process is higher, but the electrode processed there is
" taper " larger problem, Yin Qingfeng et al. proposes that double block electrode is counter to copy processing in 109108406 A of patent CN thus
Method, since the various power effect generated in spark discharge processing can be balanced using double block electrode machining, to a certain degree
On reduce the processing taper of micro-electrode, but there is be not easy to replace after block wear to electrodes, block electrode runs parallel degree not can guarantee
The problem of, the consistency and mass for being unfavorable for micro-electrode are processed.
Summary of the invention
Device is copied the purpose of the present invention is to provide a kind of double block electrode electric spark of replaceable piece of electrode is counter, is realized fine
The consistency and mass of electrode are processed, and then solve the problems, such as that the aperture consistency in small group hole and mass are processed.
To achieve the above object, the invention provides the following technical scheme:
A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device, including bottom platform, accurate translation stage, left holding
Frame, right retainer, right L-type plate, right screw bolt, the first bolt group, right fixed block, right piece of electrode, left piece of electrode, left fixation
Block, left retainer, the second bolt group, left L-type plate, right screw bolt.It is characterized in that, the bottom platform and accurate translation
Platform is fixed together, and left fixed block is welded on accurate translation stage, and left piece of electrode is bonded peace with left fixed block by left retainer
It is fitted together, left retainer is linked together with left fixed block by the second bolt group, to pass through retainer and left fixed block
Left piece of electrode is mounted on accurate translation stage, left L-type plate is mounted on accurate translation stage by screw, and passes through full thread spiral shell
Bolt links together left retainer and left L-type plate, realizes the firm effect to left retainer.Similarly, right piece of electrode passes through the right side
Retainer and right fixed block are mounted in bottom platform, and are consolidated by right L-type plate.When the adjusting accurate translation stage
When, the left fixed block and left piece of electrode will block electrode movement to the right therewith, and then realize that block electrode spacing is adjustable, and use
CCD system carrys out the spacing of real-time detection or so block electrode.
As the present invention, further scheme is: the left fixed block and right fixed block are mounted on flat by welding manner
After on platform, opposite plane will carry out Milling Process to guarantee the opposite face keeping parallelism of two fixed blocks, and pass through tune
Section bolt group realizes the installation and replacement of block electrode to make the retainer be in clamp or release state, to realize that left and right block is electric
Pole being arranged in parallel and replacing.
As the present invention, further scheme is: the first bolt group and the second bolt group are screw bolt, and
Be coupled with the threaded hole of the retainer, thus by bolt group tighten with unclamp realize retainer clamping with
It unclamps.
As the present invention, further scheme is: the left piece of electrode is high-precision metric blocks with right piece of electrode, is used for
The face surface quality and rigidity of electrical discharge machining are high, and described piece of electrode will be cut in a pre-installation by electric spark wire cutting method
Go to two angles identical as the gradient of retainer retained part come the gradient for guaranteeing block electrode mounting part, the processing of described piece of electrode
Planar section also will then cut the roughing slope of one jiao of formation micro-electrode by electric spark wire cutting method.
As the present invention further scheme be: it is described be processed after left piece of electrode with right piece of electrode by contour, vertical
It directly is separately mounted in accurate translation stage and bottom platform, processed face is in arrangement face-to-face.
A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device and the side with the electrode machining micropore processed
Method includes the following steps:
Step 1: the differential head of the accurate translation stage is adjusted, translational slide is made to drive left fixed block and left piece of electrode block to the right
Electrode movement, and using CCD system come the spacing of real-time detection or so block electrode, needed for block interelectrode distance in left and right reaches
After it is required that, the locking that locking knob carries out glide mirror (plane) is screwed, prevents left piece of electrode mobile with glide mirror (plane) after stress, in turn
Influence precision；
Step 2: anti-device of copying being powered on, electro-discharge machining parameter, and then piece pole stick is between two pieces of tool-electrodes
A position of center line left side goes out into the right side, i.e., first carries out roughing at block electrode slope, then finished.First piece uses
The biggish discharge parameter of energy come quick ablation excess stock, finishing portions using the lesser discharge parameter of energy come on a small quantity and
Equably ablation corrosion material, the form accuracy and dimensional accuracy of dressing tool electrode.The micro tool electrode diameter finally prepared
Dimension D calculation method is as follows: D=W-2 δ, in formula: W is the distance between double anti-copy block electrodes, and δ is discharging gap；
Step 3: the micro-electrode processed is mounted on lathe, sets electro-discharge machining parameter identical with step 2, is carried out
The processing in small group hole.
Compared with prior art, the beneficial effects of the present invention are:
(1) it can be realized the anti-quick-replaceable for copying block electrode in device of double block electrode electric spark, be conducive to the consistent of micro-electrode
Property with mass process；
(2) block electrode is high-precision metric blocks, and block electrode is mounted on parallel fixed block, and is able to achieve in process smart
The fixed locking of close translation stage is conducive to the high-precision processing of micro-electrode.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of high-accuracy translation stage 2 in Fig. 1 of the present invention；
Fig. 3 is block electrode machining schematic diagram；
Fig. 4, which is that micro-electrode electric spark is counter, copies process principle figure；
Description of symbols: 1, bottom platform, 2, accurate translation stage, 2-1, pedestal, 2-2, locking knob, 2-3, glide mirror (plane),
2-4, differential head, 2-5, mandril, 3, left retainer, 4, right retainer, 5, right L-type plate, 6, right screw bolt, the 7, first bolt
Group, 8, right fixed block, 9, right piece of electrode, 10, left piece of electrode, 11, left fixed block, 12, left retainer, the 13, second bolt group,
14, left L-type plate, 15, right screw bolt.
Specific embodiment:
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by specific implementation shown in the accompanying drawings
Example describes the present invention.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the invention.This
Outside, in the following description, descriptions of well-known structures and technologies are omitted, so as not to unnecessarily obscure the concept of the present invention.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
Such as Fig. 1-Fig. 2, in the embodiment of the present invention, the easily changeable double block electrode electric spark of a kind of piece of electrode is counter to copy device,
It being characterized in that, the bottom platform 1 and accurate translation stage 2 are fixed together, left fixed block 11 is welded on accurate translation stage 2,
Left piece of electrode 10 is jointly mounted to together by left retainer 3 with left fixed block 11, and left retainer 3 and left fixed block 11 pass through the
Two bolt groups 13 link together, so that left piece of electrode 9 is mounted on accurate translation stage 2 by retainer 3 and left fixed block 10
On, left L-type plate 14 is mounted on accurate translation stage 2 by screw, and passes through screw bolt for left retainer 3 and left L-type plate
12 link together, and realize the firm effect to left retainer.Similarly, right piece of electrode 9 passes through right retainer 4 and right fixed block 8
It is mounted in bottom platform 1, and is consolidated by right L-type plate 5.When adjusting the accurate translation stage 2, the left fixed block
11 and left piece of electrode 10 will block electrode 9 be mobile to the right therewith, and then realize that block electrode spacing is adjustable, and using CCD system come
The spacing of real-time detection or so block electrode.
It is provided with locking knob 2-2 on the precision translation stage 2, when 2-3 is moved to designated position when glide mirror (plane), is passed through
Locking knob 2-2 carries out the locking of glide mirror (plane) 2-3, prevents glide mirror (plane) 24-3 from moving after stress, and then influences processing essence
Degree.
It is provided with differential head 2-4 on the precision translation stage 2, the top of differential head is fixed with mandril 2-5, mandril 2-5's
End and glide mirror (plane) 2-3 are fixed together.
Further, after the left fixed block and right fixed block are mounted on platform, the plane for mounting blocks electrode is wanted
Milling Process is carried out to guarantee that two fixed blocks keep the parallel of height, and realizes the peace of block electrode by adjusting retainer
Dress and replacement.
Further, the first bolt group and the second bolt group are screw bolt, and the screw thread with the retainer
Hole is coupled, thus the clamping and release tightened with unclamp realization retainer for passing through bolt group.
Further, the left piece of electrode (10) and right piece of electrode (9) are 0 class precision standard gauge block, can be purchased in the market
, material is high-speed steel, and having a size of long 65mm, sectional dimension is 35mm × 9mm.Its face surface quality for being used to process and block
Electrode rigidity is preferable, and described piece of electrode will be processed in a pre-installation.
Further, the machining sketch chart of block electrode such as Fig. 3, using slow wire feeding electric spark wire cutting method along the left side Fig. 3
Slow wire feeding Wire-cut Electrical Discharge Machining is carried out at dotted line in figure, processing result is as shown in Fig. 3 right figure, wherein B sections of block electrode A
For the machinable roughing section in electric spark side of micro-electrode, the BC sections of machinable finishing in electric spark side for micro-electrode
Section.
Further, the accurate translation stage 2 can be bought, platform using the slim accurate translation stage of PTS310 series in market
Having a size of 65mm × 65mm, differential head 2-4 minimum scale is 1 micron in face, has lateral locking device, manual actuation mode.But
The accurate translation stage of not limited to this model precision translation stage, other electric drive modes also can be selected.
Further, it is described be processed after left piece of electrode and right piece of electrode by it is contour, be vertically separately mounted on essence
On close translation stage and bottom platform, processed face is in arrangement face-to-face.
Specific embodiment: referring to Fig. 1-4, using the easily changeable double block electrode electric spark of above-mentioned piece of electrode it is counter copy device into
The processing of row micro-electrode and the method with the electrode machining micropore processed, include the following steps:
Step 1: adjusting differential head 2-4, drives mandril 2-5 to be moved forward or rearward, the end of mandril 2-5 and glide mirror (plane) 2-3
It is fixed together, with the movement of mandril 2-5, glide mirror (plane) 2-3 is also moved and driven the left fixed block 10 connected thereon
It is moved forward or rearward with left piece of electrode 9, while using the spacing of CCD system real-time detection or so block electrode, when left piece of electrode
10 are moved to after right piece of electrode 9 suitably distance, stop adjusting differential head 2-4, and screw locking knob 2-2 to carry out sliding flat
The locking of face 2-3 prevents left piece of electrode 10 mobile with glide mirror (plane) 2-3 after stress, and then influences precision；
Step 2: electrode to be processed is put between left piece of electrode 10 and right piece of electrode 9, and block electrode machining face is divided into AB sections and BC
Section, as shown in figure 3, AB sections are first piece, first piece main purpose is extra by the quick ablation of spark discharge
Material, BC sections of finishing portions, in finishing portions, the amount of going on a small quantity and equably, the form accuracy and ruler of dressing tool electrode
Very little precision.Anti- device of copying is powered on, set electro-discharge machining parameter, make piece pole stick between two pieces of tool-electrodes in
Heart line position bottom in and top out, the micro tool electrode diameter dimension D calculation method finally prepared are as follows: D=W-2 δ, and in formula: W is
The distance between double anti-copy block electrodes, δ is discharging gap.When block wear to electrodes to a certain extent after, by dismantling the first bolt
Group 7 and the first bolt group 13 are the new right piece of electrode 9 and left piece of electrode 10 of replaceable installation, can guarantee micro-electrode in this way
Machining accuracy and processing consistency.In addition, different-diameter may be implemented in the distance by adjusting left piece of electrode 10 and right piece of electrode 9
The processing of the micro-electrode of size；
Step 3: the micro-electrode processed is mounted on lathe, sets electro-discharge machining parameter identical with step 2, is carried out
The processing in small group hole, since electro-discharge machining parameter and discharging gap are identical as the processing setting of micro-electrode, so finally
The size for processing micropore is the distance between double anti-copy block electrodes W, no longer needs to the detection for carrying out micro-pore diameter.Simultaneously when micro-
After thin wear to electrodes, the preferable micro-electrode of consistency can be re-worked out in device in double block electrode electric spark counter copy, thus
It can be realized the consistency processing of multiple micro-holes.
In the description of the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ",
" fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be machinery
Connection, is also possible to be electrically connected；It can be directly connected, two elements can also be can be indirectly connected through an intermediary
The interaction relationship of internal connection or two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device, including bottom platform (1), accurate translation stage (2),
Left retainer (3), right retainer (4), right L-type plate (5), right screw bolt (6), the first bolt group (7), right fixed block (8),
Right piece of electrode (9), left piece of electrode (10), left fixed block (11), left retainer (12), the second bolt group (13), left L-type plate
(14), right screw bolt (15)；Bottom platform (1) and accurate translation stage (2) are fixed together, and weld on accurate translation stage (2)
It is connected to left fixed block (11), left piece of electrode (10) is jointly mounted to together by left retainer (3) and left fixed block (11), Zuo Bao
It holds frame (3) and is linked together with left fixed block (11) by the second bolt group (13), to pass through retainer (3) and left fixed block
(10) left piece of electrode (9) is mounted on accurate translation stage (2), left L-type plate (14) is mounted on accurate translation stage (2) by screw
On, and left retainer (3) and left L-type plate (12) are linked together by screw bolt, realization consolidates left retainer
Effect；Similarly, right piece of electrode (9) is mounted on bottom platform (1) by right retainer (4) and right fixed block (8), and passes through the right side
L-type plate (5) is consolidated；When adjusting accurate translation stage (2), the left fixed block (11) and left piece of electrode (10) will
Block electrode (9) is mobile to the right therewith, and then realizes that block electrode spacing is adjustable, and using CCD system come real-time detection or so block electricity
The spacing of pole.
2. a kind of easily changeable double block electrode electric spark of block electrode for processing micro-electrode according to claim 1 is counter to copy dress
It sets, which is characterized in that opposite after the left fixed block (11) and right fixed block (8) are mounted on platform by welding manner
Plane to carry out Milling Process to guarantee the opposite face keeping parallelism of two fixed blocks, and make to protect by adjusting bolt group
Hold frame and be in clamp or release state to realize the installation and replacement of block electrode, thus realize left and right block electrode be arranged in parallel and
Replacement.
3. a kind of easily changeable double block electrode electric spark of block electrode for processing micro-electrode according to claim 1 is counter to copy dress
It sets, which is characterized in that the left piece of electrode (10) is high-precision metric blocks with right piece of electrode (9), is used for the face of electrical discharge machining
Surface quality and rigidity are high, and described piece of electrode will cut two angles by electric spark wire cutting method in a pre-installation to guarantee
The gradient of block electrode mounting part is identical as the gradient of retainer retained part, and the processing planar section of described piece of electrode also will be with
The roughing slope of one jiao of formation micro-electrode is cut by electric spark wire cutting method afterwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358781.4A CN109909564A (en) | 2019-04-30 | 2019-04-30 | A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358781.4A CN109909564A (en) | 2019-04-30 | 2019-04-30 | A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device |
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| CN109909564A true CN109909564A (en) | 2019-06-21 |
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| CN201910358781.4A Pending CN109909564A (en) | 2019-04-30 | 2019-04-30 | A kind of double block electrode electric spark of replaceable piece of electrode is counter to copy device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340466A (en) * | 2019-07-01 | 2019-10-18 | 清华大学 | The discharge-assisted chemical processing technology of the multi-angular electric discharge constraint in tool-electrode end |
| CN110394514A (en) * | 2019-09-05 | 2019-11-01 | 哈尔滨理工大学 | A kind of double block electrode electric discharge machining apparatus of the micro-electrode using chunk electrode |
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| JP2004160597A (en) * | 2002-11-13 | 2004-06-10 | Toyota Motor Corp | Centering tool for tool replacement device and centering method for tool replacement device |
| CN207188938U (en) * | 2017-07-21 | 2018-04-06 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of more structure one-shot forming electrode installing devices of electric spark |
| CN108544391A (en) * | 2018-03-16 | 2018-09-18 | 上海永茂泰汽车零部件有限公司 | Grip device for electrode fabrication |
| CN109108406A (en) * | 2018-10-23 | 2019-01-01 | 中国工程物理研究院机械制造工艺研究所 | A kind of superfine tapered electrode electric spark is counter to copy device |
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2019
- 2019-04-30 CN CN201910358781.4A patent/CN109909564A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004160597A (en) * | 2002-11-13 | 2004-06-10 | Toyota Motor Corp | Centering tool for tool replacement device and centering method for tool replacement device |
| CN207188938U (en) * | 2017-07-21 | 2018-04-06 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of more structure one-shot forming electrode installing devices of electric spark |
| CN108544391A (en) * | 2018-03-16 | 2018-09-18 | 上海永茂泰汽车零部件有限公司 | Grip device for electrode fabrication |
| CN109108406A (en) * | 2018-10-23 | 2019-01-01 | 中国工程物理研究院机械制造工艺研究所 | A kind of superfine tapered electrode electric spark is counter to copy device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340466A (en) * | 2019-07-01 | 2019-10-18 | 清华大学 | The discharge-assisted chemical processing technology of the multi-angular electric discharge constraint in tool-electrode end |
| CN110340466B (en) * | 2019-07-01 | 2020-08-28 | 清华大学 | Discharge-assisted chemical machining process for multi-edge discharge constraint of tool electrode end |
| CN110394514A (en) * | 2019-09-05 | 2019-11-01 | 哈尔滨理工大学 | A kind of double block electrode electric discharge machining apparatus of the micro-electrode using chunk electrode |
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Application publication date: 20190621 |