CN100488688C - Non-conducting material spark milling electrode tip - Google Patents
Non-conducting material spark milling electrode tip Download PDFInfo
- Publication number
- CN100488688C CN100488688C CNB2007101148947A CN200710114894A CN100488688C CN 100488688 C CN100488688 C CN 100488688C CN B2007101148947 A CNB2007101148947 A CN B2007101148947A CN 200710114894 A CN200710114894 A CN 200710114894A CN 100488688 C CN100488688 C CN 100488688C
- Authority
- CN
- China
- Prior art keywords
- electrode
- tool
- negative
- positive
- conducting material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to a non-conductive material electrical spark milling electrode tip, belonging to the machine work field, which comprises a brushing tip (1), a positive tool electrode (2), an insulated spacer sleeve (3), a negative tool electrode (4), a collet chuck (5), an electromagnetic oscillator (6), a spindle system (7), a spindle head (8), a fluid charging pipe (9), an insulated jacket (10), a collet chuck locknut (11), a negative tool electrode brush (12), a positive tool electrode brush (13) and water-base conductive liquid (14). During machining, the water-base conductive liquid (14) is brushed on the surface of the non-conductive material workpiece by the brushing tip (1); when the electromagnetic oscillator (6) drives the positive and negative tool electrodes to lift, the conductive liquid is absorbed to flow to the lower ends of the two electrodes along the surface of the non-conductive workpiece so as to enable the ends of the electrodes to generate spark discharge on the surface of the non-conductive workpiece to process the electrical spark milling work. The invention has the advantages of simple structure, high efficiency, low cost and other advantages.
Description
Technical field
The invention belongs to field of machining, relate to a kind of non-conducting material spark milling electrode tip.
Background technology
At present, the more non-conducting material electric processing method of Chinese scholars research mainly contains: high-voltage spark processing, auxiliary electrode processing, electrolysis electric spark Compound Machining etc.
High-voltage spark processing is the workpiece of putting into insulation between sharp electrode and plate electrode, and two interpolars are direct current or industrial frequency AC high voltage in addition, makes near the air the sharp electrode breakdown, and the glow discharge ablation takes place.Because there is parasitic capacitance in two interpolars, and power supply is become high frequency or pulse feature, can flow through bigger glow current.Its employed high voltagehigh frequency power source voltage is 5000～6000 volts, and ceiling voltage is 12000 volts, and frequency is that tens of thousand Hz are to tens of million Hz.This kind processing method only can be used for the processing of shallow bore hole, and the surface of institute's machining hole is more coarse.
The auxiliary electrode spark erosion machining is placed on a sheet metal or wire netting on the surface of non-conducting material in advance as auxiliary electrode, after auxiliary electrode is punched in the tool-electrode discharge, on the non-conducting material surface, form one deck tungsten carbide/conductive layer, make surface of the work have electric conductivity, produce discharge between tool-electrode and the new conductive layer that forms, in the old conductive layer of ablation, form new conductive layer, thereby realize spark machined non-conducting material; After this, people adopt again that coating metal, coating electrically conductive coating wait the method that forms conductive layer on the surface of non-conducting material, realized the spark machined of non-conducting material, but its working (machining) efficiency and precision are all lower.
The non-conducting material electric spark Study on Processing Technology is a research focus in current EDM Technology field with exploitation.At present, Chinese scholars focuses mostly in research non-conducting material electrolysis electric spark Combined Machining Technology, this kind process technology is to utilize the spark discharge effect in the electrolyte to process, add the man-hour tool-electrode and connect the negative pole of the pulse power, auxiliary electrode connects the positive pole of the pulse power, when two interpolars add pulse voltage, by electrochemical action, produce bubble on the tool-electrode surface, make the high electric potential gradient of formation between tool-electrode surface and electrolyte by this bubble, cause spark discharge, TRANSIENT HIGH TEMPERATURE that produces during by discharge and shock wave etc. are used for reaching the purpose of ablation non-conducting material.Problems such as this kind processing method exists that efficient is low, energy consumption is big, machining accuracy is low, surface quality is poor, also discharges harmful water electrolytic gas simultaneously in the process, and processing environment is relatively poor.There are problems such as efficient is low, energy consumption is big at common non-conducting material electrolysis electric spark Combined Machining Technology, Liu Yonghong has proposed non-conducting material inflation electrolysis electric spark Combined Machining Technology, this process technology adopts the method for inflation to form the needed non-conductive phase of electrolyte spark discharge, though its processing throughput is greatly improved, but be applied to actual production and still show lower, and machining accuracy and surface quality are all relatively poor, also discharge harmful water electrolytic gas simultaneously in the process, processing environment is relatively poor.
Summary of the invention
The object of the present invention is to provide a kind of non-conducting material spark milling electrode tip, develop new non-conducting material electric spark process equipment, improve non-conductive difficult-to-machine material working (machining) efficiency, reduce its processing cost.
Principle of the present invention: the non-conducting material spark milling electrode tip of being invented mainly by brush 1, positive tool-electrode 2, insulation spacer 3, negative tool-electrode 4, collet 5, hertz oscilltor 6, axis system 7, main tapping 8, liquid injection pipe 9, insulating jacket 10, collet locking nut 11, negative tool-electrode brush 12, positive tool-electrode brush 13, water-base conductive liquid 14 etc. form.Electric spark milling adds man-hour, positive tool-electrode 2 and negative tool-electrode 4 respectively with the pulse power just, negative pole links to each other, just, negative tool-electrode is joined together by insulation spacer 3, negative tool-electrode 4 links to each other with hertz oscilltor 6 by collet 5, under the drive of hertz oscilltor 6, just, negative tool-electrode is done up-down vibration, in addition, just, negative tool-electrode also rotates under the drive of main tapping 8 and the moving of Z direction, water-base conductive liquid 14 is brushed on the surface of non-conducting material workpiece by the endoporus and brushing 1 quilt of negative tool-electrode 4, when hertz oscilltor 6 is just driving, when negative tool-electrode is upwards mentioned, absorption conduction liquid along the surface of non-conducting material workpiece to around diffusion, make the surface of the work conduction of tool-electrode below, just, on the surface of non-conducting material workpiece, produce spark discharge by conduction liquid between the end face of negative tool-electrode, the TRANSIENT HIGH TEMPERATURE that produces during by discharge, high pressure is used for ablation processing non-conducting material.Processed non-conducting material workpiece is installed on X, the Y direction travelling table, under the drive of X, Y direction travelling table, do moving of X, Y direction, realize the electric spark milling of complicated shape non-conducting material workpiece is processed by the interlock between workbench and main tapping.
The present invention has following advantage:
1. TRANSIENT HIGH TEMPERATURE, high pressure that the spark discharge effect that utilizes the conduction liquid of the positive and negative tool-electrode end face of flowing through to cause on the non-conducting material surface produces come ablation processing non-conducting material, can process various unmanageable non-conducting materials; Adopt multi-shaft interlocked method, can realize electric spark milling labyrinth shape non-conducting material workpiece.
2. by adjusting the spark discharge parameter, can on same lathe, realize to non-conducting material slightly, in, fine finishining.
3. in the non-conducting material electric spark milling process, the macroscopical active force between positive and negative tool-electrode and workpiece is very little, can realize the processing to the low rigidity non-conducting material part of complexity easily.
4. be that medium is prepared water-base conductive liquid with the electrically conductive graphite powder, the process effect that do not produce electrolysis has been avoided electrolysis electric spark combined machining method problem, the problem includes: processing environment is poor, the problem of easy-to-rust lathe.
5. simple in structure, reliable operation.
Description of drawings
Accompanying drawing is the structural representation according to the designed non-conducting material spark milling electrode tip that goes out of the present invention.
The specific embodiment
Referring to accompanying drawing.Non-conducting material spark milling electrode tip of the present invention comprise brush 1, positive tool-electrode 2, insulation spacer 3, negative tool-electrode 4, collet 5, hertz oscilltor 6, axis system 7, main tapping 8, liquid injection pipe 9, insulating jacket 10, collet locking nut 11, negative tool-electrode brush 12, positive tool-electrode brush 13 and water-base conductive liquid 14.Brush 1 the conduction in negative tool-electrode 4 endoporus tucked in brushing on the surface of non-conducting material workpiece, form the condition that surface of the work conducts electricity; Positive tool-electrode 2 links to each other with the positive pole of the pulse power by positive tool-electrode brush 13; Insulation spacer 3 is used to isolate positive and negative tool-electrode, and they are consolidated; Negative tool-electrode 4 links to each other with hertz oscilltor 6 by collet 5, links to each other with the negative pole of the pulse power by negative tool-electrode brush 12, and its endoporus is the path of water-base conductive liquid, and brushing 1 is equipped with in the lower end of endoporus; Collet 5 is used for the negative tool-electrode 4 of clamping; Hertz oscilltor 6 is used for just driving, negative tool-electrode is done up-down vibration in process, when it is just driving, when negative tool-electrode is upwards mentioned, absorption conduction liquid along the surface of non-conducting material workpiece to around diffusion, make the surface of the work conduction of tool-electrode below, just, on the surface of non-conducting material workpiece, produce spark discharge by conduction liquid between the end face of negative tool-electrode, the TRANSIENT HIGH TEMPERATURE that produces during by discharge, high pressure is used for ablation processing non-conducting material, when moving downward, it just makes, when the end face of negative tool-electrode is pressed on the surface of non-conducting material workpiece, just, conduction liquid on the surface of the work that negative tool-electrode end face faces is squeezed away, and spark discharge stops; But, main tapping drive shaft head makees the dc motor that DC servo-motor that the Z direction moves and drive shaft rotate but being housed on the axis system 7, under the control of servo-control system, main tapping drives that positive and negative tool-electrode rotates and the moving of Z direction; Liquid injection pipe 9 is an insulation tube, passes through from the center of main shaft, and insert in the endoporus of negative tool-electrode 4 its lower end, and being used for provides conduction liquid to the endoporus of negative tool-electrode 4; Insulating jacket 10 is used for spacer spring chuck 5 and negative tool-electrode 4; Collet locking nut 11 is installed on the collet 5, can make collet 5 clampings or unclamp negative tool-electrode 4 by rotation collet locking nut 11; Negative tool-electrode brush 12 is used to connect the negative pole of the negative tool-electrode 4 and the pulse power, provides electric spark milling to add the current path in man-hour; Positive tool-electrode brush 13 is used to connect the positive pole of the positive tool-electrode 2 and the pulse power, provides electric spark milling to add the current path in man-hour; Water-base conductive liquid 14 is that conducting medium is formulated with the graphite powder, is mainly used in the conductive layer that forms the non-conducting material surface of the work.Add man-hour, conduction liquid in the negative tool-electrode centre bore is brushed on the surface of non-conductive workpiece material workpiece by brushing head, just driving at hertz oscilltor, when negative tool-electrode is upwards mentioned, make the conduction liquid along the non-conducting material surface to around the diffusion, when conduction liquid is just flowed through, when bearing the end of tool-electrode, to cause spark discharge, the TRANSIENT HIGH TEMPERATURE that produces during by discharge, high pressure is used for ablation processing non-conducting material, when just, when the end of negative tool-electrode is pressed on the surface of non-conducting material workpiece, spark discharge stops, after this just, negative tool-electrode is carried on again, cause spark discharge again, go on and so forth, just can realize spark machined to non-conducting material, by means of designed spark milling electrode tip of the present invention and the interlock effect between workbench, just can realize electric spark milling to complicated shape non-conducting material workpiece.
Claims (2)
1. non-conducting material spark milling electrode tip, it comprises brushes head (1), positive tool-electrode (2), insulation spacer (3), negative tool-electrode (4), collet (5), hertz oscilltor (6), axis system (7), main tapping (8), liquid injection pipe (9), insulating jacket (10), collet locking nut (11), negative tool-electrode brush (12), positive tool-electrode brush (13), water-base conductive liquid (14), it is characterized in that: positive tool-electrode (2) links to each other with the positive pole of spark pulse power by positive tool-electrode brush (13), negative tool-electrode (4) links to each other with the negative pole of spark pulse power by negative tool-electrode brush (12), water-base conductive liquid (14) is brushed on the surface of non-conducting material workpiece by the endoporus and the brushing head (1) of negative tool-electrode (4), when driving positive tool-electrode (2) and negative tool-electrode (4), hertz oscilltor (6) adsorbs conduction liquid when upwards mentioning, and make the conduction liquid along the non-conducting material surface of the work to around the diffusion, make the non-conducting material surface of the work conduction of positive tool-electrode (2) and negative tool-electrode (4) below, on the surface of non-conducting material workpiece, produce the processing of spark discharge ablation by water-base conductive liquid (14) between the end face of positive tool-electrode (2) and negative tool-electrode (4).
2. non-conducting material spark milling electrode tip as claimed in claim 1, it is characterized in that: positive tool-electrode (2) is installed on the negative tool-electrode (4) by insulation spacer (3), negative tool-electrode (4) links to each other with hertz oscilltor (6) by collet (5), under the effect of hertz oscilltor (6), positive tool-electrode (2) and negative tool-electrode (4) are done up-down vibration, in addition, positive tool-electrode (2) and negative tool-electrode (4) rotate under the drive of main tapping (8) and Z direction mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101148947A CN100488688C (en) | 2007-11-27 | 2007-11-27 | Non-conducting material spark milling electrode tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101148947A CN100488688C (en) | 2007-11-27 | 2007-11-27 | Non-conducting material spark milling electrode tip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101176936A CN101176936A (en) | 2008-05-14 |
| CN100488688C true CN100488688C (en) | 2009-05-20 |
Family
ID=39403443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101148947A Active CN100488688C (en) | 2007-11-27 | 2007-11-27 | Non-conducting material spark milling electrode tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100488688C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907648B (en) * | 2015-07-08 | 2017-03-01 | 上海交通大学 | Arc profile discharge cutting processing method based on compound current interruption and efficient chip removal |
| CN106270860B (en) * | 2016-08-31 | 2018-03-20 | 上海交通大学 | High speed arc spraying electro-discharge machining handle device based on standard interface |
| CN106391630A (en) * | 2016-09-29 | 2017-02-15 | 马鞍山钢铁股份有限公司 | Sealing device used for EDT electrode flushing |
| CN107962432B (en) * | 2018-01-09 | 2023-09-26 | 河南理工大学 | Clamping main shaft system for electrolytic grinding of thin disc workpieces |
| CN110919113B (en) * | 2019-12-11 | 2020-11-03 | 大连大学 | Transverse feed electrode |
| CN111545850B (en) * | 2020-05-11 | 2021-06-08 | 南京航空航天大学 | Ethylene glycol based solution electrolysis electric spark composite wire cutting processing method |
-
2007
- 2007-11-27 CN CNB2007101148947A patent/CN100488688C/en active Active
Non-Patent Citations (2)
| Title |
|---|
| 微细电火花加工及其关键技术. 李刚，赵万生.机械工程师，第2期. 2004 |
| 微细电火花加工及其关键技术. 李刚，赵万生.机械工程师，第2期. 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101176936A (en) | 2008-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100519031C (en) | Non-conducting material electric spark milling method | |
| CN100488688C (en) | Non-conducting material spark milling electrode tip | |
| CN103433576B (en) | A kind of self-induction-Nei of insulative ceramic coatings metal rushes liquid electric discharge machining method | |
| CN103447642B (en) | Electrode rotating and clamping device for electrosparking of insulating ceramic coated metal | |
| CN102166676A (en) | Method and device for machining insulating ceramic by reciprocating wire-cut electrical discharge machining | |
| CN111151832B (en) | Rotary arc milling device, milling machine tool and control system thereof | |
| CN105215487A (en) | A kind of fine high-efficiency machining method towards non-conductive hard brittle material and device | |
| CN102240835B (en) | Electrochemical machining method and device for oil nozzle spray orifice of diesel motor | |
| CN103920948A (en) | Device and method for controllable gas-film micro-electrochemical discharge wire-cutting processing | |
| CN103231134B (en) | A kind of electrolysis electric spark sutting machining device of non-conducting material and method | |
| CN101112727A (en) | Direct-current arc electric spark processing method | |
| CN103909300A (en) | Electrophoresis and supersonic vibration assisted micro-milling and machining device | |
| CN104014878A (en) | Novel electric spark machining circuit and method capable of achieving multi-point-discharge high-speed electric spark machining | |
| CN100513036C (en) | Non-conducting material spark milling electrode tip | |
| CN101890541B (en) | Spindle swivel feeding device of ultra-fine electric spark machining tool | |
| CN101176934A (en) | Method for milling non-conducting material spark | |
| CN108941807A (en) | A kind of Electrolyzed Processing tapered openings lathe and its electrochemical machining method | |
| CN100513056C (en) | Electric spark mechanical composite grinding method and machine for non-conductive superhard material | |
| CN105127528B (en) | The coaxial fliud flushing method and device of array group act on sets micro hole electric machining | |
| CN104874880A (en) | Servomechanism for milling electric spark made of non-conducting material | |
| CN207464378U (en) | Multiaxis multifunctional thread cutting off machine | |
| CN212071301U (en) | Portable micro-ultrasonic or micro-ultrasonic vibration auxiliary machining spindle | |
| CN208408795U (en) | A kind of electrolysis electric spark synchronizes compound wire electric discharge machine | |
| CN111438569A (en) | Portable micro-ultrasonic or micro-ultrasonic vibration auxiliary machining spindle | |
| CN105618878A (en) | Flexible bundling conductive grinding head electrolytic grinding synchronous arc discharge strengthened combined working method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |