CN104400162A - High-precision wire cut electrical discharge machining machine tool - Google Patents
High-precision wire cut electrical discharge machining machine tool Download PDFInfo
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- CN104400162A CN104400162A CN201410590522.1A CN201410590522A CN104400162A CN 104400162 A CN104400162 A CN 104400162A CN 201410590522 A CN201410590522 A CN 201410590522A CN 104400162 A CN104400162 A CN 104400162A
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- China
- Prior art keywords
- wire
- machine tool
- wire electrode
- workbench
- cutting machine
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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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
-
- 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
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
- B23H7/105—Wire guides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a high-precision wire cut electrical discharge machining machine tool. The high-precision wire cut electrical discharging machining machine tool comprises a machine tool body, a pulsed power supply and a control portion; the machine tool body comprises a lathe bed, a wire conveying mechanism and a workbench; the pulsed power supply adopts a high-frequency power supply; the control portion adopts a PLC (Programmable Logic Controller); the workbench is used for clamping a machined workpiece and being electrically connected with the PLC; the wire conveying mechanism comprises a wire storage cylinder, guide wheels, a wire frame and an electrode wire; the guide wheels are fixed on the wire frame; the electrode wire is driven by the wire storage cylinder and performs reciprocal rectilinear movement through the guide wheels. According to the above mode of the wire cut electrical discharge machining machine tool, the electrode wire is stable and uniform in movement, shaking is small, the cutting speed is rapid, and the machining accuracy is high.
Description
Technical field
The present invention relates to Wire EDM apparatus field, particularly relate to a kind of high precision electro spark wire-cutting machine tool.
Background technology
WEDM (Wire cut Electrical Discharge Machining is called for short WEDM), belong to electric machining category, when studying switch contact by the phenomenon of spark discharge corrosion and damage and reason by former Soviet Union La Zhalinke Mr. and Mrs, find that the TRANSIENT HIGH TEMPERATURE of electric spark can make the metal molten of local, oxidation and being corroded, thus started and invented electric discharge machining method.Operation principle is that free cation and electronics accumulate in field, forms a conductive channel be ionized very soon.In this stage, between two plates, form electric current.Cause occurring between particle to collide many times, form an ion plasma, and be elevated to the high temperature of 8000 to 12000 degree very soon, at two some materials of conductive surface instant melting, meanwhile, due to the vaporization of electrode and electrolyte, form a bubble, and its pressure rule rises until very high.Then current interruptions, temperature reduces suddenly, causes bubble implosion, and the power of generation is dished out the material dissolved crater, and the material be then corroded regelation in electrolyte becomes little spheroid, and is drained by electrolyte.Then the monitoring controlled by NC and management and control, servo control mechanism performs, and make this electric discharge phenomena uniformity, thus it is processed to reach machining object, makes it the product becoming size and the form accuracy meeted the requirements.
China produces and the overwhelming majority of use is High-speed Wire Electro-Discharge Machine, High-speed Wire Electro-Discharge Machine is as the original creation technology of China, become one of machine that in China NC Machine, output is maximum, most widely used, along with the develop rapidly of China's die industry, WEDM is had higher requirement, thus also further promotes the development of Electric Discharge Wire-cutting Technology.
But high-speed electric spark wire cutting machine in use often there will be the phenomenons such as wire electrode shake, fracture of wire, make that wire electrode consumption is large, machining accuracy is low.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of high precision electro spark wire-cutting machine tool, wire electrode stable movement, evenly, shakes little, and cutting speed is fast, machining accuracy is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of high precision electro spark wire-cutting machine tool, comprise: machine body, the pulse power and control section, described machine body comprises: lathe bed, Wire-conveying mechanism of quick walk and workbench, the described pulse power adopts high frequency electric source, described control section adopts PLC, described workbench is used for clamping workpiece to be machined, and be electrically connected with described PLC, described Wire-conveying mechanism of quick walk comprises: wire storage tube, guide wheel, guide frame and wire electrode, described guide wheel is fixed on described guide frame, described wire electrode is driven by described wire storage tube and does reciprocating linear by guide wheel and moves.
In a preferred embodiment of the present invention, described wire electrode adopts zinc-plated wire electrode.
In a preferred embodiment of the present invention, described zinc-plated wire electrode surface is with some uniform small pores.
In a preferred embodiment of the present invention, the wall thickness of described wire storage tube is 2-3mm.
The invention has the beneficial effects as follows: a kind of high precision electro spark wire-cutting machine tool of the present invention, its Wire-conveying mechanism of quick walk is made up of wire storage tube, guide wheel, guide frame and wire electrode, guide wheel is symmetrical arranged up and down, make wire electrode stable movement, evenly, shake little, thus make that this electric spark linear cutting machine cutting speed is fast, machining accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high precision electro spark wire-cutting machine tool one of the present invention preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, machine body, and 2, the pulse power, 3, control section, 11, lathe bed, 12, Wire-conveying mechanism of quick walk, 13, workbench, 121, wire storage tube, 122, guide wheel, 123, guide frame, 124, wire electrode, 131, workpiece.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of high precision electro spark wire-cutting machine tool, comprise: machine body 1, the pulse power 2 and control section 3, described machine body 1 comprises: lathe bed 11, Wire-conveying mechanism of quick walk 12 and workbench 13, the described pulse power 2 adopts high frequency electric source, described control section 3 adopts PLC, described workbench 13 is for clamping workpiece to be machined 131, and be electrically connected with described PLC, described Wire-conveying mechanism of quick walk 12 comprises: wire storage tube 121, guide wheel 122, guide frame 123 and wire electrode 124, described guide wheel 122 is fixed on described guide frame 123, described wire electrode 124 is driven by described wire storage tube 121 and is done reciprocating linear by guide wheel 122 and moves.
Wherein, described wire electrode 124 adopts zinc-plated wire electrode, and wearability is good, long service life; And described zinc-plated wire electrode surface is with some uniform small pores, and can improve the electric discharge developing result of wire electrode, cutting speed is high, not easily fracture of wire.
The wall thickness of described wire storage tube 121 is 2-3mm, and wall is thin can reduce rotary inertia, makes Wire-conveying mechanism of quick walk wire transporting steadily, evenly, reduces fracture of wire probability, and improve machining accuracy.
The course of work: wire electrode 124 is through aperture pre-drilled on workpiece 131, be with action back and forth alternately mobile through guide wheel 122 by wire storage cylinder 121, workpiece 131 is arranged on workbench 13 by insulation board, workbench 13 is at horizontal plane X, Y two coordinate directions move by given control program separately and synthesize arbitrary plane curvilinear path, the pulse power 2 pairs of wire electrodes 124 and workpiece 131 apply pulse voltage, the working solution of certain pressure is poured into a mould between wire electrode 124 and workpiece 131, during gap between impulse voltage flashover wire electrode 124 and workpiece 131, produce spark discharge and cut workpiece 131 between the two.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a high precision electro spark wire-cutting machine tool, it is characterized in that, comprise: machine body, the pulse power and control section, described machine body comprises: lathe bed, Wire-conveying mechanism of quick walk and workbench, the described pulse power adopts high frequency electric source, described control section adopts PLC, described workbench is used for clamping workpiece to be machined, and be electrically connected with described PLC, described Wire-conveying mechanism of quick walk comprises: wire storage tube, guide wheel, guide frame and wire electrode, described guide wheel is fixed on described guide frame, described wire electrode is driven by described wire storage tube and does reciprocating linear by guide wheel and moves.
2. high precision electro spark wire-cutting machine tool according to claim 1, is characterized in that, described wire electrode adopts zinc-plated wire electrode.
3. high precision electro spark wire-cutting machine tool according to claim 2, is characterized in that, described zinc-plated wire electrode surface is with some uniform small pores.
4. high precision electro spark wire-cutting machine tool according to claim 1, is characterized in that, the wall thickness of described wire storage tube is 2-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590522.1A CN104400162A (en) | 2014-10-29 | 2014-10-29 | High-precision wire cut electrical discharge machining machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590522.1A CN104400162A (en) | 2014-10-29 | 2014-10-29 | High-precision wire cut electrical discharge machining machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104400162A true CN104400162A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410590522.1A Pending CN104400162A (en) | 2014-10-29 | 2014-10-29 | High-precision wire cut electrical discharge machining machine tool |
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| CN (1) | CN104400162A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827293A (en) * | 2015-04-24 | 2015-08-12 | 苏州市宝玛数控设备有限公司 | Engraving, milling and drilling all-in-one machine for die |
| CN106166636A (en) * | 2016-09-21 | 2016-11-30 | 宫元凯 | A kind of many layer lines arm electric spark linear cutting machine |
| CN106513885A (en) * | 2017-01-16 | 2017-03-22 | 米奇科技（北京）有限公司 | Linear cutting machine |
| CN107159983A (en) * | 2017-06-30 | 2017-09-15 | 自贡市嘉特数控机械制造有限公司 | Electric spark linear cutting machine feed processing unit (plant) and method |
| CN108296582A (en) * | 2017-12-20 | 2018-07-20 | 宁波韵升股份有限公司 | A kind of multi-thread wire electric spark line cutter |
| CN112439954A (en) * | 2020-11-18 | 2021-03-05 | 安徽国防科技职业学院 | Numerical control linear cutting machine tool for prolonging service life of molybdenum wire |
Citations (4)
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| DE4240726A1 (en) * | 1991-12-03 | 1993-06-09 | Mitsubishi Denki K.K., Tokio/Tokyo, Jp | |
| CN2841220Y (en) * | 2005-11-22 | 2006-11-29 | 任建强 | Molybdenum filament jitter buffer device in the line cutting processing |
| CN200960574Y (en) * | 2006-09-28 | 2007-10-17 | 顾元章 | Reciprocating and unidirectional composite wire cutting, discharging and processing machine tool |
| CN201871836U (en) * | 2010-10-29 | 2011-06-22 | 苏州中航长风数控科技有限公司 | Wire tightening device and wire cut electro discharge machine employing same |
-
2014
- 2014-10-29 CN CN201410590522.1A patent/CN104400162A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4240726A1 (en) * | 1991-12-03 | 1993-06-09 | Mitsubishi Denki K.K., Tokio/Tokyo, Jp | |
| CN2841220Y (en) * | 2005-11-22 | 2006-11-29 | 任建强 | Molybdenum filament jitter buffer device in the line cutting processing |
| CN200960574Y (en) * | 2006-09-28 | 2007-10-17 | 顾元章 | Reciprocating and unidirectional composite wire cutting, discharging and processing machine tool |
| CN201871836U (en) * | 2010-10-29 | 2011-06-22 | 苏州中航长风数控科技有限公司 | Wire tightening device and wire cut electro discharge machine employing same |
Non-Patent Citations (1)
| Title |
|---|
| 淮妮等: "《数控编程项目化教程》", 1 August 2014, 清华大学出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827293A (en) * | 2015-04-24 | 2015-08-12 | 苏州市宝玛数控设备有限公司 | Engraving, milling and drilling all-in-one machine for die |
| CN106166636A (en) * | 2016-09-21 | 2016-11-30 | 宫元凯 | A kind of many layer lines arm electric spark linear cutting machine |
| CN106513885A (en) * | 2017-01-16 | 2017-03-22 | 米奇科技（北京）有限公司 | Linear cutting machine |
| CN107159983A (en) * | 2017-06-30 | 2017-09-15 | 自贡市嘉特数控机械制造有限公司 | Electric spark linear cutting machine feed processing unit (plant) and method |
| CN108296582A (en) * | 2017-12-20 | 2018-07-20 | 宁波韵升股份有限公司 | A kind of multi-thread wire electric spark line cutter |
| CN108296582B (en) * | 2017-12-20 | 2019-04-16 | 宁波韵升股份有限公司 | A kind of multi-thread wire electric spark line cutter |
| CN112439954A (en) * | 2020-11-18 | 2021-03-05 | 安徽国防科技职业学院 | Numerical control linear cutting machine tool for prolonging service life of molybdenum wire |
| CN112439954B (en) * | 2020-11-18 | 2021-11-30 | 安徽国防科技职业学院 | Numerical control linear cutting machine tool for prolonging service life of molybdenum wire |
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Application publication date: 20150311 |