CN201147863Y - Reciprocating wire winding electric spark wire-electrode cutting machine - Google Patents
Reciprocating wire winding electric spark wire-electrode cutting machine Download PDFInfo
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- CN201147863Y CN201147863Y CNU2007203069057U CN200720306905U CN201147863Y CN 201147863 Y CN201147863 Y CN 201147863Y CN U2007203069057 U CNU2007203069057 U CN U2007203069057U CN 200720306905 U CN200720306905 U CN 200720306905U CN 201147863 Y CN201147863 Y CN 201147863Y
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Abstract
The utility model relates to a reciprocating traveling electric spark wire cutting machine tool which comprises a stand, a wire conveying mechanism, a wire frame, a workbench, a working liquid system, a machine tool electrical appliance and a numerical control system. The cutting machine tool is characterized in that the working liquid system comprises a liquid tank, the upper end of which is provided with an opening; the liquid tank is arranged in a processing zone; the workbench is arranged under the liquid level in the liquid tank; two arms of the wire frame are vertical and extend into the liquid tank from the opening above; two main guide wheels arranged on the top end of the two arms are on the same level; the wire electrode between the two guide wheels on the top ends of the two arms is arranged under the liquid level in the liquid tank to conduct electric spark wire cutting processing to a work piece. In the cutting machine tool, the processing zone is arranged under the liquid level in the liquid tank, so that the chip discharge effect and the smooth finish are good, the cooling is in time, and the wire is not easy to be burned and broken. The cutting machine tool in particular solves the difficulty in processing thick work pieces, and overcomes the difficulty in the submerged processing sealing of the prior low-speed traveling electric spark wire cutting machines.
Description
(1) technical field:
The utility model relates to a kind of to-and-fro thread feed electric spark wire-electrode cutting machine, belongs to the electric spark linear cutting machine technical field.
(2) background technology:
In the prior art, electric spark linear cutting machine comprises low speed, middling speed, High-speed Wire Electro-Discharge Machine three major types.
The low-speed wire cutting WEDM adopts copper wire to make wire electrode, and wire electrode is one-way movement, and its maximum characteristics are machining accuracy height, the price height.The UPJ-2 ultra-precision machine tool of wild company etc. is herded by wherein top thousand serial lathes as Switzerland Xia Mier company, the PA of Mitsubishi Electric Co. series ultra precision machine tool, Japan, machining accuracy is in ± 0.002mm, surface roughness Ra＜0.2 μ m, every price is generally more than 2,000,000 yuan.High-grade machine precision about ± 0.003mm, as 240CC, the 440CC machine of Xia Mier company, the FA-V ultrahigh speed high performance machine of Mitsubishi Electric Co. etc.Every price is more than 1,000,000 yuan.Middle-grade cutting accuracy can reach ± 0.005mm, generally at 50～800,000 yuan/platform.As 380 of the XENON of Switzerland Agie SA, Xia Mier company, the AQ series of Japanese Sha Dike company, FA series of Mitsubishi Electric Corporation etc.
In addition, the cutting efficiency height of low-speed wire cutting WEDM, once the peak efficiency of cutting can reach 500mm at present
2/ min,
The low-speed wire cutting electric spark linear cutting machine generally all possesses automatic wire feed, tapering cutting function, also has the immersion machining functions in medium-to-high grade machine.
Have in the low-speed wire cutting WEDM of above-mentioned immersion machining functions, it comprises an airtight liquid case, the jewel silk rolling device of wire electrode through being arranged in sealing fluid case top passes from the liquid case downwards vertically, gets back to wire storage tube through the jewel silk rolling device of sealing fluid case below.The workbench of fixation workpiece places under the liquid level of sealing fluid case, and is positioned at the processing district.At upper and lower through the wire electrode of processing work, also be equipped with two spray nozzles of aiming at the wire electrode slots respectively, two spray nozzles are aimed at wire electrode slot hydrojet with big pressure equal pressure ground simultaneously up and down, with realization chip removal, refrigerating function.
Have the low-speed wire cutting WEDM of above-mentioned immersion machining functions, its deficiency is: 1, wire travelling speed is slow, is approximately 0.1m/s, and this has increased the chip removal difficulty, can't process the workpiece of the above thickness of 500mm.Adding man-hour, because slot is little, cooling fluid is difficult for entering the slot middle part, simultaneously, because the wire travelling speed of low-speed wire cutting WEDM slow (0.1m/s), the metal fillings that the slot middle part produces also is difficult to be taken out of by wire electrode, and these have all caused slot middle part chip removal difficulty, and this has directly influenced fineness; 2, the difficult sealing of sealing fluid case, wire electrode is worn liquid feeding tank vertically from the last capstan of top arm's tip, passes the capstan up and down of getting back to the underarm top at last from the liquid case vertically, and this has proposed a very big difficult problem to sealing, its cost height; 3, be difficult to process the workpiece of big thickness, in the prior art, the workpiece of the above thickness of 500mm can't be processed.
In middling speed, high-speed wire electrical discharge machine tool, often adopt molybdenum filament to make wire electrode, its price is low, machining accuracy is not high.It and low-speed wire cutting WEDM have very big difference.Its wire electrode is for moving back and forth.Also at a distance of very big, the cutting efficiency of High-speed Wire Electro-Discharge Machine is paced up and down at 60-80mm always for the cutting efficiency of to-and-fro thread feed electric spark wire cutting machine and low-speed wire cutting WEDM
2/ min.
Existing to-and-fro thread feed electric spark wire-electrode cutting machine comprises support, thread delivering machine structure, coil holder, workbench, working fluid system, Machine Tool Electric Appliance, digital control system and several major parts of high frequency electric source, wherein,
The thread delivering machine structure generally include a fortune silk carriage rail pair, transmission component, fortune silk motor, shaft coupling, synchronous belt drive mechanism, fortune silk up and down planker, be fixedly installed in wire storage tube, a travel switch that the fortune silk is gone up planker, wire storage tube rotates under fortune silk motor-driven, do horizontal linear reciprocating motion simultaneously, realization is arranged silk, is put silk;
Coil holder comprises the upper arm of column that is fixed on the support and the level that is connected with column, underarm and some guide wheels of level;
Be around in after wire electrode on the wire storage tube draws from wire storage tube, through some transition guide wheels, upper and lower capstan (processing district) closed loop that forms between the upper and lower capstan of the upper arm of level, underarm top one side;
Workbench comprises following planker, goes up planker, planker motor, workbench carriage rail pair, transmission component, and workbench can be realized X, Y to cross motion under the driving of planker motor, and workpiece places on this work top, and its position to be processed just is positioned at the processing district.
Can cool off timely and effectively during for the online cutting of assurance wire electrode, simultaneously, can in time take away the material under the cutting as best one can, existing various to-and-fro thread feed electric spark wire-electrode cutting machine also comprises working fluid system.Its effect mainly is insulation, deionization, chip removal, cooling etc.To quick wire lathe, fast because of wire travelling speed, the unshorting phenomenon extensively adopts the lower oil emulsion aqueous solution of dielectric strength automatically.To wire lathe at a slow speed, then adopt deionized water mostly.The circulation of working solution and filter generally are made up of motor, work liquid pump, liquid case, filter, pipeline and flow control valve, spray nozzle etc., in this structure, spray nozzle is installed on the processing district, its opening direction is aimed at workpiece and the wire electrode in the processing district, by spray nozzle workpiece in the processing district and wire electrode is sprayed.
Chip removal well, cooling concern very big to process velocity, the fineness of wire cutting machine tool.For this reason, numerous spray cooling structures have been proposed in the prior art, typical No. 99225475.2 Chinese patents as " the wire electrode cooling device of edm of big taper bed " by name, this patent disclosure a kind of wire electrode cooling device of edm of big taper bed, this device is positioned at wire electrode on last rotating shaft and lower rotary shaft front and back are equipped with two spray nozzles of aiming at wire electrodes; Described go up be positioned on rotating shaft and the lower rotary shaft wire electrode about also be equipped with this device, no matter how the wire electrode active section tilts, can guarantee that cooling fluid is sprayed on the wire electrode all the time, guarantee wire electrode is carried out effective cooling effect.
Numerous sprays cooling construction and devices are all imperfect from practice result in the prior art, more or less exist the chip removal weak effect, cooling is insufficient, timely, and this has directly influenced machining accuracy, and has influenced the life-span of wire electrode, even causes fracture of wire.Its reason is as follows:
Because the slit little (about 0.2mm) of processing, simultaneously, produce the high temperature more than 10000 ℃ in the discharge channel, emulsion will decompose a large amount of carbon containing macromolecular compound of generation and generate colloid shape or particulate material with the reaction of metal ablation product, they stick in the slot, and these ablation products are still being discharged easily near two spray nozzle places up and down, away from the slot middle part of two spray nozzles up and down, coolant pressure diminishes, and the ablation product is difficult to discharge.Approximately have only 50% ablation product in time to be discharged.Especially when the workpiece of the big thickness of processing, slot middle part chip removal is extremely difficult, and in the prior art, the workpiece of the above thickness of 1200mm can't be processed.The cooling at the slot of thicker workpiece middle part simultaneously is also untimely, has directly influenced fineness.
2, if the processing bits that produce in the discharge process can not be formed in case there are the processing bits to put up a bridge by timely chip removal, or outstanding relatively cusp idol is met and the micro-short circuit state that forms has bigger contact resistance on the two poles of the earth.Because the wire electrode motion, this micro-short circuit is easy to be drawn back the formation arc discharge.So the time pulse power supply energy density during that is input to machining gap much larger than normal process, make the position of sticking together of wire electrode produce the concentrated release of pulse energy, this has not only had a strong impact on machining accuracy, and causes wire electrode to crack, even may cause fracture of wire.
3, in addition, numerous sprays cool off in the construction and devices in the prior art, if the inaccurate also easy fracture of wire of the direction of water spray.Because water spraying direction is inaccurate, the pressure of spraying water up and down is improper, and working solution just can't spray into the cutting seam, and wire electrode can not cool off, and makes the wire electrode local temperature raise suddenly, causes and burns silk.
Existing to-and-fro thread feed electric spark wire-electrode cutting machine awaits improving.
(3) utility model content:
The utility model aims to provide that a kind of chip removal is effective, the to-and-fro thread feed electric spark wire-electrode cutting machine of good cooling results.
Technical solution of the present utility model is as follows:
To-and-fro thread feed electric spark wire-electrode cutting machine comprises support, thread delivering machine structure, coil holder, workbench, working fluid system, Machine Tool Electric Appliance, digital control system and several major parts of high frequency electric source, wherein,
The thread delivering machine structure comprises transports silk motor, synchronous belt drive mechanism, wire storage tube, fortune silk guideway, transmission component, travel switch, and wire storage tube rotates under fortune silk motor-driven, and realization is arranged silk, put silk;
Coil holder comprises two arms that parallel, and a capstan is respectively installed on two arm tops;
Be around in after wire electrode on the wire storage tube draws from wire storage tube the closed loop that forms through between some transition guide wheels, two capstans of two capstans on two arm tops;
Workpiece to be processed places on this work top, and its position to be processed just is positioned at two processing districts between the capstan of arm top;
It is characterized in that:
Described working fluid system comprises that a upper end leaves the liquid case of opening, described liquid case is positioned at the processing district, workbench is positioned under the liquid level of liquid case, and two arms of described coil holder are stretched the liquid feeding tank from the top opening part, and the wire electrode between two capstans on two arm tops is arranged under the liquid level of liquid case.
The processing district is arranged under the liquid level of liquid case, and chip removal is effective, fineness good, cooling is timely, is difficult for burning the silk fracture of wire.Especially solved a difficult problem of processing big thickness workpiece.
Further technical solution is:
Described two arms that parallel that are connected with column are vertical state, and two capstans that are installed on two arm tops are positioned on the same horizontal plane; They are dipped under the liquid level in the liquid case simultaneously.
Said structure is more simple, has overcome the problem of existing low-speed wire cutting WEDM immersion processing difficult sealing simultaneously.
In the said structure, described working fluid system also comprises a filtering type EGR, and this filtering type device comprises circulating pump, filter.Force cooling fluid by filter by circulating pump, cooling fluid is carried out circulating filtration.
Thereby this quality that helps to guarantee cooling fluid has guaranteed line cutting processing quality of stability.
(4) description of drawings:
Below with reference to drawings and Examples the utility model is described in further details:
Accompanying drawing 1 is the schematic diagram of cutting mechanism part basic structure among the utility model embodiment.
Accompanying drawing 2 is the left view of Fig. 1.
Accompanying drawing 3 is the structural representation of first embodiment of the utility model.
Accompanying drawing 4 is the left view of Fig. 3.
Accompanying drawing 5 is the structural representation of second embodiment of the utility model.
Accompanying drawing 6 is the left view of Fig. 5.
Accompanying drawing 7 is the structural representation of the 3rd embodiment of the utility model.
Accompanying drawing 8 is the left view of Fig. 7.
Accompanying drawing 9 is the structural representation of the 4th embodiment of the utility model.
Accompanying drawing 10 is the left view of Fig. 9.
(5) specific embodiment:
Referring to accompanying drawing 1,2, in the utility model the following example, the basic structure of cutting mechanism part is made up of fortune silk and coil holder two parts.Specifically, fortune silk part by frame 109, by left shaft holder 104 right bearing seats 107 be installed on the motor 108 of horizontal setting on the frame, the wire storage tube 105 of horizontal setting, the fiber-arranging device 112 that guide wheel 106 is housed, big synchronizing wheel 110, be with 113 synchronously, little synchronizing wheel 114, transition guide wheel 103 form, motor 108 rotates by being with 113 drive wire storage tubes 105 synchronously, simultaneously, drive fiber-arranging device along the guider linear reciprocating motion, realization is arranged silk, is put silk.Coil holder comprises that partly 111, two arms of two arms that parallel are vertical state, and a capstan 102 is respectively installed on their top.Be around in after wire electrode 101 on the wire storage tube draws respectively from the wire storage tube both sides, the guide wheel 106 on fiber-arranging device is again through transition guide wheel 103, the capstan 102 closed loops that form.
Referring to accompanying drawing 3,4, first embodiment to-and-fro thread feed electric spark wire-electrode cutting machine of the utility model is the stationary table type.Comprise support, thread delivering machine structure, coil holder, workbench, working fluid system, Machine Tool Electric Appliance, digital control system and several major parts of high frequency electric source, wherein, fortune silk and coil holder two parts adopt said structure equally.Column 202 is installed on the support 203 by the guideway of being made up of guide rail 208, ball 207 that transmission component screw pair 209 and level are installed on the support 203.When y-axis motor is worked, drive column 202 by transmission component 209 and make Y to moving along the horizontal guide rail pair.Cutting mechanism part 201 reaches the guideway that vertically is installed on column 202 sides by the transmission component screw pair and is connected with column 202.When the Z spindle motor is worked, drive cutting mechanism 201 by transmission component and make Z to moving along column 202.
The uncovered workbench liquid bath 205 in upper end is positioned at cutting mechanism part 201 belows,, workbench 206 is arranged under workbench liquid bath 205 liquid levels.Two arms of above-mentioned coil holder part are vertical state, stretch into the liquid bath 205 from the top, and two capstans that are installed on two arm tops are positioned on the same horizontal plane, and they are dipped under the liquid level in the workbench liquid case simultaneously.Workpiece to be processed places on this work top, just is positioned at two processing districts between the capstan of arm top.Working fluid system comprises work liquid pump 212, filter 211, connecting pipe 210.Filtered fluid case 204 is positioned at workbench liquid bath 205 1 sides, and filter 211 is housed in it.Pass through filter 211 by the cooling fluid that work liquid pump 212 is forced to extract from workbench liquid bath 205 through tube connector, cooling fluid is carried out circulating filtration, and the cooling fluid that will cross filtration is sent in the workbench liquid bath 205.
Said structure is arranged under the liquid level of liquid case owing to the processing district, and wire travelling speed is very fast, and the ablation product that produces in the slot is easy to be taken out of from the slit under the molybdenum filament of high-speed mobile drives, and chip removal is effective, and fineness is good.Simultaneously, working solution can immerse the slot middle part from the slit that has processed, and whole processing district is full of working solution, thereby cooling in time, is difficult for burning the silk fracture of wire.Especially can process big thickness workpiece.While is simple in structure, has solved the problem of difficult sealing in the immersion low-speed wire cutting WEDM.
Referring to accompanying drawing 5,6, second embodiment of the utility model is the traversing table type wire cutting machine tool, different with first embodiment is, column and support are structure as a whole, be the L shape, cutting mechanism 301 is connected in the vertical edges (being a side of column 302) of L shape by transmission component and guideway 309, and can finish Z to motion, the liquid case that is built-in with workbench 305 is connected on the horizontal edge (being support 306) of L shape by transmission component and guideway 310, and can finish Y to motion, dividing plate 308 is divided into working fluid case 304 and filtered fluid case 303 with the liquid case, and filter 307 and work liquid pump 311 are housed in the filtered fluid case.
Referring to accompanying drawing 7,8, the 3rd embodiment of the utility model is two column planer-type traversing table type wire cutting machine tools, column 402 is two column planer-types, place on the support 404 by transmission component and guideway, and can finish X to motion, cutting mechanism 401 is connected in planer-type column 402 1 sides by transmission component and guideway, and can finish Z to motion, liquid case 403 fixedly places on the support 404, two arms of cutting mechanism part are vertical state, two capstans that are installed on two arm tops are positioned on the same horizontal plane, and they are dipped under the liquid level in the liquid case 403 simultaneously.Workpiece to be processed places on the work top in the liquid case 403, just is positioned at two processing districts between the capstan of arm top.Filtered fluid case 405 places a side.
Referring to accompanying drawing 9,10, the 4th embodiment of the utility model is two column planer-type traversing table type wire cutting machine tools, the same planer-type column 502 that adopts, cutting mechanism 501 is connected in planer-type column 502 1 sides by transmission component and guideway equally, but Z is to motion, different with a last embodiment is, planer-type column 502 fixedly places on the support 505, but the liquid case 503 that is built-in with workbench 504 places on the support 505 by transmission component and guideway and X to motion, filtered fluid case 506 places a side.
In the foregoing description 2,3,4, but X, Y, Z, have not just given unnecessary details for for purpose of brevity one by one to the structure that motion is all adopted as the motor of embodiment 1 drives by transmission component and guideway.This can reveal for those of ordinary skills again.
The utility model the foregoing description is preferred embodiment, and they have realized the purpose of processing equally with different version, with different forms of motion under liquid level.Adopt the processing district to be arranged under the liquid level of liquid case, the structure that wire electrode passes from the liquid case vertically also can have good chip removal effect, and it also can reach cooling in time, is difficult for burning the technique effect of silk fracture of wire, and certainly, it is simple in structure not as the foregoing description.Simultaneously, under utility model of the present utility model design, the utility model also has multiple form of implementation, this to those skilled in the art, need not pay creative work can reveal again, has not just described in detail at this.Adopt the above-mentioned replacement scheme that is equal to fall into protection domain of the present utility model certainly.
Claims (6)
1, a kind of to-and-fro thread feed electric spark wire-electrode cutting machine comprises support, thread delivering machine structure, coil holder, workbench, working fluid system, Machine Tool Electric Appliance, digital control system and several major parts of high frequency electric source, wherein,
The thread delivering machine structure comprises transports silk motor, synchronous belt drive mechanism, wire storage tube, fortune silk guideway, transmission component, travel switch, and wire storage tube rotates under fortune silk motor-driven, and realization is arranged silk, put silk;
Coil holder comprises two arms, and a capstan is respectively installed on two arm tops;
Be around in after wire electrode on the wire storage tube draws from wire storage tube the closed loop that forms through between some transition guide wheels, two capstans of two capstans on two arm tops;
Workpiece to be processed places on this work top, and its position to be processed just is positioned at two processing districts between the capstan of arm top;
It is characterized in that:
Described working fluid system comprises that a upper end leaves the liquid case of opening, described liquid case is positioned at the processing district, workbench is positioned under the liquid level of liquid case, and two arms of described coil holder are stretched the liquid feeding tank from the top opening part, and the wire electrode between two capstans on two arm tops is arranged under the liquid level of liquid case.
2, to-and-fro thread feed electric spark wire-electrode cutting machine according to claim 1 is characterized in that:
Described two arms that parallel that are connected with column are vertical state, and two capstans that are installed on two arm tops are positioned on the same horizontal plane; They are dipped under the liquid level in the liquid case simultaneously.
3, to-and-fro thread feed electric spark wire-electrode cutting machine according to claim 2 is characterized in that:
Also comprise a filtering type EGR in the described working fluid system.
4, to-and-fro thread feed electric spark wire-electrode cutting machine according to claim 2 is characterized in that:
Described coil holder reaches the guideway that vertically is installed on the column by transmission component and is connected with column, drive cutting mechanism by transmission component during the work of Z spindle motor, make Z to moving along column, above-mentioned column then is installed on the support by the horizontal guide rail pair that transmission component and level are installed on the support, drive column by transmission component during y-axis motor work and make Y to moving along the horizontal guide rail pair, described working fluid system comprises the liquid case of a fixed-site, and described stationary table is arranged under the liquid case liquid level.
5, to-and-fro thread feed electric spark wire-electrode cutting machine according to claim 2 is characterized in that:
Described column and support are structure as a whole, be the L shape, cutting mechanism is connected in a side of the vertical edges of L shape by transmission component and guideway, drive cutting mechanism by motor, the transmission component that is attached thereto and guideway and make Z to moving along column, the liquid case that is built-in with workbench is connected in by transmission component and guideway on the horizontal edge of L shape, drives the liquid case by motor, the transmission component that is attached thereto and guideway and makes Y to moving along the horizontal sides of L shape.
6, to-and-fro thread feed electric spark wire-electrode cutting machine according to claim 2, it is characterized in that: described column is two column planer-types, place on the support by transmission component and guideway, drive column by motor, the transmission component that is attached thereto and guideway and make X to motion, the liquid case fixedly places on the support, cutting mechanism is connected in planer-type column one side by transmission component and guideway, drives cutting mechanism by motor, the transmission component that is attached thereto and guideway and makes Z to motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203069057U CN201147863Y (en) | 2007-11-11 | 2007-11-11 | Reciprocating wire winding electric spark wire-electrode cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203069057U CN201147863Y (en) | 2007-11-11 | 2007-11-11 | Reciprocating wire winding electric spark wire-electrode cutting machine |
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| Publication Number | Publication Date |
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| CN201147863Y true CN201147863Y (en) | 2008-11-12 |
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|---|---|---|---|
| CNU2007203069057U Expired - Fee Related CN201147863Y (en) | 2007-11-11 | 2007-11-11 | Reciprocating wire winding electric spark wire-electrode cutting machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353917A (en) * | 2014-11-12 | 2015-02-18 | 杭州华方数控机床有限公司 | Automatic working liquid supply method and automatic working liquid supply system for wire-cut electric discharge machine |
| CN104526095A (en) * | 2014-12-25 | 2015-04-22 | 佛山市大铁数控机械有限公司 | Wire cutting machine working solution activated-carbon nanometer multi-layer filtering water tank |
| CN104890036A (en) * | 2015-06-29 | 2015-09-09 | 泰州市晨虹数控设备制造有限公司 | Horizontal diamond wire cutting machine tool |
| US9698645B2 (en) | 2013-03-14 | 2017-07-04 | Regal Beloit America, Inc. | Electric machine and associated method |
| CN107695469A (en) * | 2017-08-15 | 2018-02-16 | 嘉善霸器机械制造有限公司 | A kind of middle wire cutting machine taper head |
-
2007
- 2007-11-11 CN CNU2007203069057U patent/CN201147863Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9698645B2 (en) | 2013-03-14 | 2017-07-04 | Regal Beloit America, Inc. | Electric machine and associated method |
| CN104353917A (en) * | 2014-11-12 | 2015-02-18 | 杭州华方数控机床有限公司 | Automatic working liquid supply method and automatic working liquid supply system for wire-cut electric discharge machine |
| CN104526095A (en) * | 2014-12-25 | 2015-04-22 | 佛山市大铁数控机械有限公司 | Wire cutting machine working solution activated-carbon nanometer multi-layer filtering water tank |
| CN104526095B (en) * | 2014-12-25 | 2017-08-08 | 广东大铁数控机械有限公司 | A kind of activated carbon of working liquid for wire-cutting machine, nano multilayer water tank with strainer |
| CN104890036A (en) * | 2015-06-29 | 2015-09-09 | 泰州市晨虹数控设备制造有限公司 | Horizontal diamond wire cutting machine tool |
| CN104890036B (en) * | 2015-06-29 | 2016-06-15 | 泰州市晨虹数控设备制造有限公司 | Horizontal boart boart wire cutting machine tool |
| CN107695469A (en) * | 2017-08-15 | 2018-02-16 | 嘉善霸器机械制造有限公司 | A kind of middle wire cutting machine taper head |
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Granted publication date: 20081112 Termination date: 20111111 |