CN105171148B - The preparation method of micro tool electrode - Google Patents
The preparation method of micro tool electrode Download PDFInfo
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- CN105171148B CN105171148B CN201510733127.9A CN201510733127A CN105171148B CN 105171148 B CN105171148 B CN 105171148B CN 201510733127 A CN201510733127 A CN 201510733127A CN 105171148 B CN105171148 B CN 105171148B
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- electrode
- rotary table
- blank
- standard cartridge
- vice
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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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/04—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
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
-
- 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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/22—Electrodes specially adapted therefor or their manufacture
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The present invention relates to a kind of preparation method of micro tool electrode, it is characterized in that, comprises the following steps：1) positioning and clamping device body, make the axle center of rotary table I, II parallel with X-axis；2) vertical trapezoidal rails, horizontal trapezoidal rails is resetted, rotary table I, II is resetted by controlling motor I, II；3) the clamping electrode blank on standard cartridge I, adjustment standard cartridge II to the clamping electrode blank other end after appropriate length locks standard cartridge I, II, and adjustment electrode blank highly arrives the correct position of Z axis；4) the cut direction positioning reference plane on 0 ° of direction；5) to given size, while rotate blank electrode, two YZ sides of symmetrical equivalent cutting electrode are to given size on 90 ° of directions two XZ sides of symmetrical equivalent cutting electrode on 0 ° of direction；6) end face is cut, electrode is cut off, you can obtain two tool-electrodes.Realize the processing of the accurate electrode shape in space absolute position.
Description
Technical field
The present invention relates to electrode machining field, specifically a kind of preparation method of micro tool electrode is primarily adapted for use in
Prepare micro fine cylindrical electrode, fine thin electrode, fine ruled surface electrode etc..
Background technology
Effect and status of the micromachine in future society are unquestionable, and the practical of micromachine will be very big
Depended in degree in the successful making of micro three-dimensional structure.Common methods include：High-speed cutting processing, electrical-chemistry method, high energy
Shu Jiagong, electrical discharge machining etc..High-speed cutting processing one side lathe costly, is on the other hand limited in by cutting stress
There is limitation in fine structure processing；Electrical-chemistry method technology causes its nothing in machining accuracy because current density is uneven
Method meets requirement；The processing of the high energy beams such as laser is also difficult to reach required precision when three-dimensional structure is made.Spark erosion technique
With powerful minute yardstick manufacturing capacity, have that noncontact procession, equipment be simple, exploitativeness compared with other processing methods
By force, the features such as treatable material of institute is extensive, does not have the effect of cutting force in its processing, is conducive to processing more tiny zero
Part and fine feature.Due to its unique processing mechanism, the processing removal unit of its minimum can easily by control
Small discharge energy is obtained.For geometrical body processing applicability, plane and revolving body can be not only processed, more can be with
3 D complex free form surface is processed, the manufacture of the micro Process and micro-workpiece and small mould that are particularly suitable on thin-walled parts,
And then the micro-workpiece and product of a large amount of low costs are processed by mould.
Micro-EDM Machining Technology will in practice be applied as other advanced machining technologies in engineering, except having
Beyond theoretical foundation, in addition it is also necessary to solve the problems, such as one it is very actual --- how by part processing request manufacture tool-electrode,
And determine relative direction and the position of piece pole and tool-electrode.Due to metal micro structure in itself yardstick in minute yardstick scope
Interior, on the one hand it allows size and geometric error very harsh, while installing positioning precision to workpiece proposes requirement higher.
Therefore, the accuracy of the processing of workpiece and installation positioning turns into the key of limitation Micro-EDM Machining Technology practical engineering application
One of problem.Its electrode manufacturing method mainly has using line electrode electric spark grinding technology, block electrode repairing type technology, wire electric discharge
Cutting etc..The online electric spark grinding technology of line electrode needs special lathe, and block electrode repairing type technology easily causes electrode size essence
Degree is poor, and Electric Discharge Wire-cutting Technology is main manufacture method.But Electric Discharge Wire-cutting Technology is when minute yardstick electrode is cut
Higher to discharge energy requirement, the high temperature that electric discharge moment produces easily causes electrode generation stress causes electrode bending to deform, because
How making micro-electrode scientific research at this stage and production unit are faced on conventional spark coil cutting processor bed for this
One of major issue.
The content of the invention
It is an object of the invention to provide a kind of preparation method of micro tool electrode, thickness is solved from root (or straight
Footpath) in the processing and manufacturing of ＜ 0.1mm micro-electrodes the problems such as processing efficiency is low, form accuracy is poor, while fine electricity is accurately determined
Spatial relationship between pole and workpiece to be machined.
To achieve the above object, the invention provides following technical scheme：The preparation method of the micro tool electrode, its skill
Art main points are：The method is carried out in following equipment, and the equipment includes the fixture on Wire cutting machine tool workbench
Body, vice is moveably mounted on clamp body by vertical trapezoidal rails, and the height adjustment knob of adjustable vice height is arranged on
Clamp body top；Vice one end sets regular jaw body, and moving jaw body is moveably mounted to tiger by horizontal trapezoidal rails
The pincers other end；Moving jaw body one end on vice is provided with leveling knob；It is respectively fixed with regular jaw body, moving jaw body
Rotary table I, motor I and rotary table II, motor II；Rotary table, revolution axle center are coaxial, and with folder
Specific calibrated bolck with it is parallel；Four paws self-centering chuck I, II, four jaw self-centering cards are separately installed with rotary table I, II
Disk I, II, on be separately installed with chuck pedestal I, II, be separately installed with standard cartridge I, II on chuck pedestal I, II；
The preparation method is comprised the following steps：
1) positioning and clamping device body on cutting on line machining tool platform, make axle center and the X-axis of rotary table I, II
It is parallel；
2) vertical trapezoidal rails, horizontal trapezoidal rails are made to reset by height adjustment knob, leveling knob, by controlling to drive electricity
Machine I, II make rotary table I, II reset；
3) the clamping electrode blank on standard cartridge I, standard cartridge II is another to clamping electrode blank after appropriate length for adjustment
One end, locks standard cartridge I, II, and the correct position that electrode blank highly arrives Z axis is adjusted by height adjustment knob；
4) the cut direction positioning reference plane on 0 ° of direction；
5) on 0 ° of direction two XZ sides of symmetrical equivalent cutting electrode to given size, by motor I, II simultaneously
Blank electrode is rotated, two YZ sides of symmetrical equivalent cutting electrode are to given size on 90 ° of directions；
6) end face is cut, electrode is cut off, you can obtain two tool-electrodes.
Beneficial effects of the present invention：Using the method for the present invention, can be produced on conventional spark coil cutting processor bed
Go out to meet size and dimension required precision and ensure the micro tool electrode being accurately positioned with workpiece, any conduction material can be processed
Material is high using linear cutter dimensional accuracy.Symmetrical machining is used in processing, while electrode two ends are fixed, is prevented effectively from fine
Deformation during electrode machining.The shifting of the X-axis, Y-axis between tool-electrode and workpiece is limited by standard cartridge and direction locating surface
Move the free degree and around X, Y, Z axis rotary freedom, it is true that Z axis one-movement-freedom-degree contacts perception with standard basis block by tool-electrode
It is fixed.Processing can be completed in existing lathe, processing cost is low；Whole positioning of six-freedom degree are realized, positioning precision is high；Pass through
Electrode blank two position assurance electrode will not be deformed in the fabrication process；Electrode size and form accuracy are high.Electrode
It is integrally machined in standard cartridge, the free degree is limited entirely, four frees degree are limited by standard cartridge, one degree of freedom is determined by direction
Position datum level limitation, positioning precision is high.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of one of which electrode.
Description of reference numerals：1 standard cartridge I, 2 chuck pedestal I, 3 four paws self-centering chuck I, 4 rotary table I, 5 are consolidated
Determine jaw body, 6 motor I, 7 height adjustment knobs, 8 vertical trapezoidal rails, 9 clamp bodies, 10 horizontal trapezoidal rails, 11 vices, 12
Standard cartridge II, 13 motor II, 14 moving jaw bodies, 15 leveling knobs, 16 rotary table II, 17 4 jaw self-centering cards
Disk II, 18 chuck pedestal II, 19 direction positioning reference planes.
Specific embodiment
Below in conjunction with Fig. 1~2, present disclosure is described in detail by specific embodiment.With Wire-cut Electrical Discharge Machining
Prepared on lathe and illustrate specific implementation process of the invention as a example by electrode as shown in Figure 2.
Electrode preparation facilities of the present invention mainly includes spark coil cutting processor bed and fixture two parts.Its
In, clamp body 9 is arranged on Wire cutting machine tool workbench, and vice 11 is moveably mounted to by vertical trapezoidal rails 8
On clamp body 9, the height adjustment knob 7 that can adjust the height of vice 11 (can use screw mechanism, realize logical installed in the top of clamp body 9
Cross the height that height adjustment knob 7 adjusts vertical trapezoidal rails 8).The one end of vice 11 sets regular jaw body 5, and moving jaw body 14 leads to
Cross horizontal trapezoidal rails 10 and be moveably mounted to the other end of vice 11.One end of moving jaw body 14 on vice 11 is provided with leveling
Knob 15 (can use screw mechanism, realize being adjusted by leveling knob 15 horizontal range of horizontal trapezoidal rails 10).Grips pincers
Rotary table I 4, motor I 6 and rotary table II 16 are respectively fixed with mouth body 5, moving jaw body 14, are driven
Motor II 13.Rotary table 4,16 revolution axle centers are coaxial, and calibrated bolck with clamp body with it is parallel.Rotary table I, II
4th, four paws self-centering chuck I, II 3,17 is separately installed with 16, folder is separately installed with four paws self-centering chuck I, II 3,17
Head pedestal I, II 2,18, is separately installed with standard cartridge I, II 1,12 on chuck pedestal I, II 2,18.With positioning, step up,
The functions such as revolution, indexing.Motor I, II 6,13 is by same signal controller control realization rotary table I, II 4,16
Synchronous indexing, rotation and angle positioning.Tool-electrode blank can be realized by 1,12 liang of standard cartridge I, II when using as needed
Fixed or one end is fixed simultaneously at end.Fixture ensures that rotary table revolution axle center is coaxial with fixture datum seat, and flat with X-axis
OK.
The method for preparing micro tool electrode using the said equipment is comprised the following steps：
1) positioning and clamping device body on cutting on line machining tool platform, make axle center and the X-axis of rotary table I, II
It is parallel；
2) vertical trapezoidal rails, horizontal trapezoidal rails are made to reset by height adjustment knob, leveling knob, by controlling to drive electricity
Machine I, II make rotary table I, II reset；
3) the clamping electrode blank on standard cartridge I, standard cartridge II is another to clamping electrode blank after appropriate length for adjustment
One end, locks standard cartridge I, II, and the correct position that electrode blank highly arrives Z axis is adjusted by height adjustment knob；
4) the cut direction positioning reference plane 19 on 0 ° of direction；
5) on 0 ° of direction two XZ sides of symmetrical equivalent cutting electrode to given size, by motor I, II simultaneously
Blank electrode is rotated, two YZ sides of symmetrical equivalent cutting electrode are to given size on 90 ° of directions；
6) end face is cut, electrode is cut off, you can obtain two tool-electrodes.
Step 5) in, if processing cylinder electrode, can realize that the constant speed of blank is rotated by motor II, wire electrode does
X-direction is moved back and forth, while periodically along Y-axis revolution axle center doing feed motion.
If processing straight face electrode, can be by four axistyle cutting method cutting electrode to given size.
Claims (1)
1. a kind of preparation method of micro tool electrode, it is characterised in that：The method is carried out in following equipment, and the equipment includes
Clamp body on Wire cutting machine tool workbench, vice is moveably mounted to clamp body by vertical trapezoidal rails
On, the height adjustment knob that can adjust vice height is arranged on clamp body top；Vice one end sets regular jaw body, moving jaw body
The vice other end is moveably mounted to by horizontal trapezoidal rails；Moving jaw body one end on vice is provided with leveling knob；
Rotary table I, motor I and rotary table II, motor are respectively fixed with regular jaw body, moving jaw body
II；The revolution axle center of rotary table I, II is coaxial, and parallel with the calibrated bolck of clamp body；Pacify respectively on rotary table I, II
Equipped with four paws self-centering chuck I, II, four paws self-centering chuck I, II, on be separately installed with chuck pedestal I, II, chuck pedestal I,
Standard cartridge I, II is separately installed with II；
The preparation method is comprised the following steps：
1）Positioning and clamping device body, make the axle center of rotary table I, II parallel with X-axis on cutting on line machining tool platform；
2）By height adjustment knob, leveling knob make vertical trapezoidal rails, horizontal trapezoidal rails reset, by control motor I,
II makes rotary table I, II reset；
3）The clamping electrode blank on standard cartridge I, standard cartridge II is to the clamping electrode blank other end after appropriate length for adjustment,
Locking standard cartridge I, II, the correct position that electrode blank highly arrives Z axis is adjusted by height adjustment knob；
4）The cut direction positioning reference plane on 0 ° of direction；
5）Two XZ sides of symmetrical equivalent cutting electrode are rotated simultaneously to given size by motor I, II on 0 ° of direction
Blank electrode, two YZ sides of symmetrical equivalent cutting electrode are to given size on 90 ° of directions；
6）Cutting end face, cuts off electrode, you can obtain two tool-electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733127.9A CN105171148B (en) | 2015-11-03 | 2015-11-03 | The preparation method of micro tool electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733127.9A CN105171148B (en) | 2015-11-03 | 2015-11-03 | The preparation method of micro tool electrode |
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| Publication Number | Publication Date |
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| CN105171148A CN105171148A (en) | 2015-12-23 |
| CN105171148B true CN105171148B (en) | 2017-06-30 |
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| CN201510733127.9A Active CN105171148B (en) | 2015-11-03 | 2015-11-03 | The preparation method of micro tool electrode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105817722A (en) * | 2016-05-05 | 2016-08-03 | 京东方科技集团股份有限公司 | Electrical discharge machining method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2589139Y (en) * | 2002-12-26 | 2003-12-03 | 于云霞 | Fine electric spark machine |
| CN201684998U (en) * | 2010-03-23 | 2010-12-29 | 张祖田 | High-speed wire cutting device for processing special profile rotation bodies |
| CN102581401A (en) * | 2012-03-07 | 2012-07-18 | 哈尔滨工业大学 | Electrical discharge wire cutting and processing device for processing micro-fine rotational structure |
| CN103659316B (en) * | 2012-09-25 | 2016-08-03 | 珠海格力电器股份有限公司 | Rolling clamp and there is its lathe |
| JP5766755B2 (en) * | 2013-08-16 | 2015-08-19 | ファナック株式会社 | In a wire electric discharge machine, a method for correcting the rotation touch of a rotary tool attached to a rotary shaft, and a wire electric discharge machine having a correction function |
| CN103658897B (en) * | 2013-11-29 | 2015-10-21 | 无锡市航鹄科技有限公司 | Linear cut frock |
| CN103659393B (en) * | 2013-12-10 | 2017-03-29 | 胡豪东 | Jewellery ball machining tool fixture |
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