CN104858515B - The collocation method and its device of a kind of working solution of electric spark linear cutting machine - Google Patents
The collocation method and its device of a kind of working solution of electric spark linear cutting machine Download PDFInfo
- Publication number
- CN104858515B CN104858515B CN201510339603.9A CN201510339603A CN104858515B CN 104858515 B CN104858515 B CN 104858515B CN 201510339603 A CN201510339603 A CN 201510339603A CN 104858515 B CN104858515 B CN 104858515B
- Authority
- CN
- China
- Prior art keywords
- working solution
- working
- flow
- working electrode
- electrode currents
- 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
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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/36—Supply or regeneration of working media
-
- 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
- B23H1/10—Supply or regeneration of working media
Abstract
The collocation method and its device of a kind of working solution of electric spark linear cutting machine, working electrode currents size when being according to processing, the resistivity and flow of adjustment work liquid, the resistivity of working solution is realized by the percentage of emulsifying agent weight concentration in adjustment work liquid, the flow of working solution is realized by adjusting the rotating speed of electric pump, when working electrode currents are big, using the relatively low working solution of emulsifying agent weight concentration percentage, the flow of working solution is larger；Working electrode currents hour, using emulsifying agent weight concentration percentage working solution higher, the flow of working solution is smaller.In the controller, the parameter to working electrode currents is set, and during processing, be compared for the working electrode currents parameter of the data of working electrode currents sensor and setting by controller, and then the flow of electric pump is adjusted by frequency converter；On the other hand the working solution of different emulsifiers concentration is converted by two two-position three way reversing solenoid valves.The operating efficiency of preliminary working and the machining accuracy of finishing can so be improved.
Description
Technical field
The present invention relates to be machined, i.e., the collocation method and its device of a kind of working solution of electric spark linear cutting machine.
Background technology
Electric spark wire cutting method has obtained substantial amounts of application in machining, and its advantage is：1. can process with
Straight line is any Two-dimensional Surfaces of bus；2. the narrow slit of 0.05 millimeter can be cut, machining accuracy is higher；3. in processing not
Whole excess stocks are processed into scrap, the utilization rate of energy and material is improve；4. in low-speed wire cutting Wire EDM
In processing, because wire electrode is constantly updated, be conducive to improving machining accuracy and reduce surface roughness.5. Wire EDM energy
The cutting efficiency for reaching is higher；Wire-cut Electrical Discharge Machining is mainly used in Making mold, in model, cam, forming tool, precision
Also increasingly extensive application is obtained in the processing of small part and special material.
Electric spark linear cutting machine work when, workpiece install on the table, workbench generally byXAxle andYAxle motor
Drive, tool-electrode（Wire electrode）It is 0.02~0.3 millimeter of wire of diameter, wire electrode is driven along its axle by wire-moving system
To movement.The pulse power is added between workpiece and wire electrode, and working solution, working solution one are sprayed into nozzle between workpiece and wire electrode
As be oil base emulsion；Control system exports corresponding information according to the working procedure for pre-entering, and makees workbench corresponding
Mobile, workpiece is close to wire electrode, when both are close to suitable distance, generally 0.01~0.04 millimeter, punctures working solution,
Produce spark discharge, ablation metal, metal is increased by the distance between workpiece after ablation and wire electrode, and control system is according to this
The size of distance and the program for pre-entering, constantly send feeding signal, process is persistently carried out.
The working fluid system of electric spark linear cutting machine is made up of working liquid container, work liquid pump and circulation conduit.Working solution
There is following three to act on, one is to constitute discharge channel, and two is cooling down workpiece, and three is to wash away chip.Current working fluid system exists
Flow and conductance in processing are constant, and the conductance of working solution is dense by the percentage by weight of the emulsifying agent in working solution
What degree was determined, general concentration is 10-15%, and the mode of this working solution haves the shortcomings that as follows：
1st, in preliminary working, electric current is larger, is 4-5A, produces sizable heat, and working solution flow can seem too small, right
The flushing of chip is not in time；The concentration of working solution and the resistance of working solution can seem bigger than normal, and concentration should be advisable with 5-10%, bigger than normal
It is difficult to form discharge channel, influences the efficiency of work.
2nd, in finishing, electric current is smaller, is 0.2-0.3A, and for rinsing and cooling down, working solution flow can seem excessive；
The concentration of working solution and the resistance of working solution can seem less than normal, and concentration should be advisable with 10-20%, it is less than normal if too easily formed put
Electric channel, causes wire electrode to shake, and influences surface quality.
The content of the invention
In order to the flow and conductance that overcome current working solution of electric spark linear cutting machine system are all constant being brought
Shortcoming, the present invention proposes the collocation method and its device of a kind of working solution of electric spark linear cutting machine.
The collocation method of this working solution of electric spark linear cutting machine, it is characterised in that working electrode when being according to processing
Size of current, the resistivity and flow of adjustment work liquid, the resistivity of working solution is by emulsifying agent weight in adjustment work liquid
Come what is realized, the flow of working solution is realized by adjusting the rotating speed of electric pump to the percentage of concentration, and working electrode currents are big
When, using the relatively low working solution of emulsifying agent weight concentration percentage, the flow of working solution is larger；Working electrode currents hour, make
With emulsifying agent weight concentration percentage working solution higher, the flow of working solution is smaller.
When working electrode currents are more than 2A, the weight percent concentration of the emulsifying agent in working solution is 5-10%, working electrode
When electric current is less than 2A, the weight percent concentration of the emulsifying agent in working solution is 10-20%, and working solution is cut by the line of market sale
Special oil base emulsion addition water is cut to be formulated.
Below the configuration device of this working solution of electric spark linear cutting machine, including the liquid bath of platen, liquid bath
Upper silk arm feed pipe and lower silk arm feed pipe above discharging tube, liquid bath, pacify on upper silk arm feed pipe and lower silk arm feed pipe
Equipped with regulating valve, it is characterised in that upper silk arm feed pipe and lower silk arm feed pipe by total feed pipe and electric pump, the one or two three
Logical reversing solenoid valve is connected, and the first two-position three way reversing solenoid valve passes through high concentration feed pipe, low concentration feed pipe and height respectively
Concentration feed flow pond, the connection of low concentration feed flow pond, discharging tube and the second two-position three way reversing solenoid valve are connected, the second two-position three way
Reversing solenoid valve is connected by high concentration discharging tube, low concentration discharging tube with high concentration feed flow pond, low concentration feed flow pond respectively, the
One two-position three way reversing solenoid valve and the second two-position three way reversing solenoid valve and controller electrical connection, controller and working electrode electricity
Flow sensor is electrically connected.In preliminary working, working electrode currents are big, and controller makes electricity by two two-position three way reversing solenoid valves
Pumping takes low concentration feed flow pond, reclaims low concentration working solution, conversely, in finishing, electric pump pumping high-concentration feed flow pond is reclaimed
High concentration working solution.
Filter is fitted with high concentration feed pipe and low concentration feed pipe.
In high concentration feed flow pond and low concentration feed flow pond, pacify on the liquid inlet of high concentration feed pipe and low concentration feed pipe
Equipped with screen pack.
In high concentration feed flow pond and low concentration feed flow pond, pacify at the liquid inlet of high concentration discharging tube and low concentration discharging tube
Equipped with lautertuns.
Electric pump and frequency converter are electrically connected, and frequency converter is electrically connected by controller and working electrode currents sensor.Add just
Man-hour, working electrode currents are big, and controller increases impeller of electrical pump rotating speed by frequency converter, increased flow capacity, conversely, in finishing
When, working electrode currents are small, and controller makes the reduction of impeller of electrical pump rotating speed by frequency converter, and flow is reduced.
The working condition of electric spark linear cutting machine is divided into two kinds of situations by the present invention by the large and small of working electrode currents,
Generally, during preliminary working, working electrode currents are big, and during finishing, working electrode currents are small, in the controller, before processing
Parameter to working electrode currents sets, during processing, controller by the data of working electrode currents sensor and setting
Working electrode currents parameter is compared, and then the flow of electric pump is adjusted by frequency converter；On the other hand two two three are passed through
Logical reversing solenoid valve converts the working solution of different emulsifiers concentration.Operating efficiency during preliminary working can be so improved, essence is improved
Machining accuracy during processing.
Brief description of the drawings
Fig. 1 is working fluid system schematic diagram of the invention, and dotted line represents electrical connection in figure.
In figure：1st, liquid bath, 2, discharging tube, 3, upper silk arm feed pipe, 4, lower silk arm feed pipe, 5, total feed pipe, 6, electric pump,
7th, the first two-position three way reversing solenoid valve, 8, high concentration feed pipe, 9, low concentration feed pipe, 10, high concentration feed flow pond, 11, low
Concentration feed flow pond, the 12, second two-position three way reversing solenoid valve, 13, high concentration discharging tube, 14, low concentration discharging tube, 15, filtering
Device, 16, screen pack, 17, lautertuns, 18, frequency converter, 19, controller, 20, working electrode currents sensor, 21, regulating valve.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with the accompanying drawings as follows：
The collocation method of this working solution of electric spark linear cutting machine, working electrode currents size when being according to processing, adjusts
The resistivity and flow of working solution are saved, the resistivity of working solution is the percentage by emulsifying agent weight concentration in adjustment work liquid
Come what is realized, the flow of working solution is realized by adjusting the rotating speed of electric pump, when working electrode currents are big, uses emulsifying agent
The relatively low working solution of the percentage of weight concentration, the flow of working solution is larger, and working electrode currents hour use emulsifying agent weight
The percentage of concentration working solution higher, the flow of working solution is smaller.
Set in the controller during processing, when working electrode currents are more than 2A, the weight percent of the emulsifying agent in working solution
Specific concentration is 7%, and when working electrode currents are less than 2A, the weight percent concentration of the emulsifying agent in working solution is 15%, working solution
It is formulated by the special oil base emulsion addition water of the wire cutting of market sale.The specific data root of the size of the flow of working solution
Set according to the workpiece size of processing.
In Fig. 1, this electric spark linear cutting machine intelligence electric pump, including platen liquid bath 1, the lower section of liquid bath 1 have
There are upper silk arm feed pipe 3 and lower silk arm feed pipe 4, upper silk arm feed pipe 3 and lower silk arm feed pipe 4 in discharging tube 2, the top of liquid bath 1
On be mounted on regulating valve 21, upper silk arm feed flow 3 and lower silk arm feed pipe 4 pass through total feed pipe 5 and electric pump the 6, the 1st three
Logical reversing solenoid valve 7 is connected, and the first two-position three way reversing solenoid valve 7 passes through high concentration feed pipe 8, low concentration feed pipe 9 respectively
Connected with high concentration feed flow pond 10, low concentration feed flow pond 11, discharging tube 2 is connected with the second two-position three way reversing solenoid valve 12,
Second two-position three way reversing solenoid valve 12 passes through high concentration discharging tube 13, low concentration discharging tube 14 and high concentration feed flow pond respectively
10th, low concentration feed flow pond 11 connects, the first two-position three way reversing solenoid valve 7 and the second two-position three way reversing solenoid valve 12 and control
Device 19 is electrically connected, and controller 19 and working electrode currents sensor 20 are electrically connected.In preliminary working, working electrode currents are big, control
Device processed 19 makes electric pump 6 extract low concentration feed flow pond by two two-position three way reversing solenoid valves, reclaims low concentration working solution；Instead
It, in finishing, high concentration working solution is reclaimed in the pumping high-concentration feed flow pond of electric pump 6.
Filter 15 is fitted with high concentration feed pipe 8 and low concentration feed pipe 9.
In high concentration feed flow pond 10 and low concentration feed flow pond 11, high concentration feed pipe 8 and low concentration feed pipe 9 enter liquid
Screen pack 16 is installed on mouthful.
In high concentration feed flow pond 10 and low concentration feed flow pond 11, high concentration discharging tube 13 and low concentration discharging tube 14 enter
Lautertuns 17 is installed at liquid mouthful.
Electric pump 6 and frequency converter 18 are electrically connected, and frequency converter 18 is electrically connected by controller 19 and working electrode currents sensor 20
Connect.In preliminary working, working electrode currents are big, and controller 19 increases the wheel speed of electric pump 6 by frequency converter 18, and flow adds
Greatly；Conversely, in finishing, working electrode currents are small, controller 19 makes the reduction of the wheel speed of electric pump 6, stream by frequency converter 18
Amount is reduced.
It is of the invention to be compared with traditional working solution in a processing instance for the steel mold of plastic processing, improve
Preliminary working and finishing operating efficiency 10-15%.
Claims (1)
1. a kind of collocation method of working solution of electric spark linear cutting machine, it is characterised in that working electrode electricity when being according to processing
Stream size, the resistivity and flow of adjustment work liquid, the resistivity of working solution is dense by emulsifying agent weight in adjustment work liquid
Come what is realized, the flow of working solution is realized by adjusting the rotating speed of electric pump to the percentage of degree, when working electrode currents are big,
Using the relatively low working solution of emulsifying agent weight concentration percentage, the flow of working solution is larger；Working electrode currents hour, use breast
Agent weight concentration percentage working solution higher, the flow of working solution is smaller；
When working electrode currents are more than 2A, the weight percent concentration of the emulsifying agent in working solution is 5-10%, working electrode currents
During less than 2A, the weight percent concentration of the emulsifying agent in working solution is 10-20%, and working solution is special by the wire cutting of market sale
Water is added with oil base emulsion to be formulated；
In the controller, the parameter of working electrode currents is set before processing, during processing, controller is by working electrode currents
The data of sensor and the working electrode currents parameter of setting are compared, and then the flow of electric pump is adjusted by frequency converter；Separately
On the one hand the working solution of different emulsifiers concentration is converted by two two-position three way reversing solenoid valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339603.9A CN104858515B (en) | 2015-06-18 | 2015-06-18 | The collocation method and its device of a kind of working solution of electric spark linear cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339603.9A CN104858515B (en) | 2015-06-18 | 2015-06-18 | The collocation method and its device of a kind of working solution of electric spark linear cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104858515A CN104858515A (en) | 2015-08-26 |
| CN104858515B true CN104858515B (en) | 2017-06-30 |
Family
ID=53904921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510339603.9A Active CN104858515B (en) | 2015-06-18 | 2015-06-18 | The collocation method and its device of a kind of working solution of electric spark linear cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104858515B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6564439B2 (en) * | 2017-09-20 | 2019-08-21 | ファナック株式会社 | Processing liquid processing apparatus and control method of processing liquid processing apparatus |
| CN109128407A (en) * | 2018-10-30 | 2019-01-04 | 南京航空航天大学无锡研究院 | Liquid-spraying control device is quantified for to-and-fro thread feed electric spark linear cutter working solution |
| CN109530831B (en) * | 2018-12-24 | 2020-05-05 | 中国航空制造技术研究院 | Optimized configuration method for electrochemical machining electrolyte parameters |
| CN109648189B (en) * | 2019-03-14 | 2019-07-26 | 常州江苏大学工程技术研究院 | A kind of laser electric spark complex machining device and its working method |
| CN111515483A (en) * | 2020-05-11 | 2020-08-11 | 广东上东源科技有限公司 | Linear cutting machining method and system |
| CN112872519B (en) * | 2021-02-23 | 2022-06-21 | 桑明焱 | Liquid spraying device for medium-speed wire cutting and medium-speed wire cutting machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208256A (en) * | 1978-02-08 | 1980-06-17 | Inoue-Japax Research Incorporated | Fluid pumping control method and apparatus for machine tools |
| US4581513A (en) * | 1983-07-21 | 1986-04-08 | Fanuc Ltd. | Wire-cut electric discharge machining apparatus |
| CN102078991A (en) * | 2010-12-31 | 2011-06-01 | 自贡市嘉特数控机械制造有限公司 | Intelligent exchange method and intelligent exchange device for working solution of electric spark linear cutting machine |
| CN102151923A (en) * | 2011-02-17 | 2011-08-17 | 东莞盈拓科技实业有限公司 | Liquid supplier capable of switching two processing liquid and discharge processing machine |
| CN104122903A (en) * | 2014-07-10 | 2014-10-29 | 北京迪蒙吉意超硬材料技术有限公司 | Frequency conversion control based EDM (Electrical Discharge Machining) machine working fluid automatic circulation system |
-
2015
- 2015-06-18 CN CN201510339603.9A patent/CN104858515B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208256A (en) * | 1978-02-08 | 1980-06-17 | Inoue-Japax Research Incorporated | Fluid pumping control method and apparatus for machine tools |
| US4208256B1 (en) * | 1978-02-08 | 1990-04-03 | Inoue Japax Res | |
| US4581513A (en) * | 1983-07-21 | 1986-04-08 | Fanuc Ltd. | Wire-cut electric discharge machining apparatus |
| CN102078991A (en) * | 2010-12-31 | 2011-06-01 | 自贡市嘉特数控机械制造有限公司 | Intelligent exchange method and intelligent exchange device for working solution of electric spark linear cutting machine |
| CN102151923A (en) * | 2011-02-17 | 2011-08-17 | 东莞盈拓科技实业有限公司 | Liquid supplier capable of switching two processing liquid and discharge processing machine |
| CN104122903A (en) * | 2014-07-10 | 2014-10-29 | 北京迪蒙吉意超硬材料技术有限公司 | Frequency conversion control based EDM (Electrical Discharge Machining) machine working fluid automatic circulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104858515A (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104858515B (en) | The collocation method and its device of a kind of working solution of electric spark linear cutting machine | |
| CN103624350B (en) | A kind of integrated impeller blade electrolysis polish forming device and integrated impeller blade thereof shape method | |
| CN203197674U (en) | Full-automatic cooling device of numerically-controlled machine tool | |
| CN108161150A (en) | Aspirate drain auxiliary double Yonug's slit hydrojet electrolysis cutting processing apparatus and method | |
| CN207139029U (en) | A kind of novel bench tapping machine | |
| CN103934523B (en) | A kind of duplex multi-head electrochemical grinding machining tool | |
| CN103801771B (en) | High-speed cutting electro-discharge machining method | |
| CN109500464A (en) | A kind of Wire EDM energy consumption prediction model based on machined parameters | |
| CN105618873B (en) | A kind of soft electrode electric discharge machining apparatus | |
| CN203696169U (en) | Electrolysis finishing forming device for blisk blade | |
| CN209615132U (en) | A kind of universal roller brushes away burr chamfering device | |
| CN107262791A (en) | A kind of method that red copper electrode removes flash removed | |
| CN205254285U (en) | Reciprocating traveling spark -erosion wire bed working solution intelligence control system | |
| CN204294959U (en) | A kind of circular cutter holder for numerically controlled lathe | |
| CN106424758A (en) | Machining method of numerical control lathe | |
| CN206622726U (en) | A kind of numerical control Double-head EDM shaping machine | |
| CN200954527Y (en) | Cooking utensil rotary-pressurizing processing apparatus | |
| CN2875687Y (en) | Electric controlled pneumatic edge milling machine, automatic CD vein machine | |
| CN205465225U (en) | Three -dimensional valve flange hole special machine tool | |
| CN108213963A (en) | A kind of automation cutting equipment | |
| CN104801799B (en) | Digital control wire-electrode cutting is to liquid method and liquid dispensing apparatus | |
| CN205904536U (en) | Electric spark shaping mill cuts lathe | |
| CN204954587U (en) | Abrasive wheel cutting machine | |
| CN203887347U (en) | Double-station multi-head electrolytic grinding machine tool | |
| CN203197402U (en) | Gear-shaving machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jianlin Inventor after: Pi Yunbo Inventor after: Qiao Bin Inventor before: Pi Yunbo Inventor before: Qiao Bin |