CN102922063B - electric spark milling device and method - Google Patents
electric spark milling device and method Download PDFInfo
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- CN102922063B CN102922063B CN201210417632.9A CN201210417632A CN102922063B CN 102922063 B CN102922063 B CN 102922063B CN 201210417632 A CN201210417632 A CN 201210417632A CN 102922063 B CN102922063 B CN 102922063B
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- pillar
- electric spark
- revolving dial
- wheel
- guide wheel
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- 238000003801 milling Methods 0.000 title claims abstract description 34
- 238000010892 electric spark Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000002679 ablation Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 241000220317 Rosa Species 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Abstract
The invention discloses a kind of electric spark milling apparatus and method.This electric spark milling device comprises pillar, hollow seats, revolving dial, wire feeder, guide wheel and wire electrode.Hollow seats is fixed on pillar, revolving dial is arranged on hollow seats, and can rotate around the axis of described pillar, wire feeder is fixed on revolving dial, and can rotate around the axis of pillar together with revolving dial, wire feeder comprises storage silk wheel, some guide wheels and waste silk curled hair wheel, guide wheel is arranged on the lower end of pillar, and can rotate around the axis of pillar together with revolving dial, guide wheel be circumferentially provided with arc groove, the part used in wire electrode is around in the arc groove of guide wheel, the one end of the part used is around in the waste silk curled hair wheel of wire feeder, and by waste silk curled hair wheel drive.Electric spark milling device of the present invention, both without the need to preparing shaped electrode, again without the need to considering electrode compensation problem, overcomes the greatest difficulty in existing electric spark milling.
Description
Technical field
The invention belongs to field of machining, be specifically related to a kind of electric spark milling device and method.
Background technology
Work in-process in the heart, adopts standard milling cutter (as rose cutter), and by interpolation, walking complicated track and obtain complex-curved, is quite ripe technology.Traditional spark machined then needs to manufacture shaped electrode.Electrical discharge milling machining is a kind of novel mechanical processing technology, and it adopts electrode as simple shapes such as bar-shaped, tubuloses according to certain track motion as milling cutter, and by the spark eroding between electrode and workpiece, removal workpiece material, obtains complex-curved.
Compared with traditional Electric Discharge Machining, electric spark milling not only eliminates the design and manufaction of shaped electrode, greatly enhances productivity, shorten the production cycle of product, reduce processing charges, improve the flexibility of processing, but also effectively improve processing stability, minimizing capacity effect.
But the development of existing electric spark milling technology, is absorbed in stagnation, and main problem is: during electric spark milling, and the loss of electrode is uncontrollable.Adopt CCD optical pickocff or other sensor, timing or not timing suspend processing, and detecting electrode, compensating electrode loss, is the method for current most study.But export license form, size are difficult to grasp, and measurements interference factor is too many, and measuring accuracy cannot ensure, extreme influence working (machining) efficiency, makes it not possess practical value.And study, grasp export license rule, thus prediction export license, compensating, is also the method that research is more at present.But the achievement in research that the method is current, cannot adapt to actual spark machined situation at all.
Summary of the invention
An object of the present invention is to solve the problem, and provides one both without the need to preparing shaped electrode, again without the need to considering the electric spark milling device of export license.
Another object of the present invention is to provide a kind of electric spark milling method.
The technical scheme realizing one of the object of the invention is: a kind of electric spark milling device, comprises pillar, hollow seats, revolving dial, wire feeder, guide wheel and wire electrode.
Described hollow seats is fixed on described pillar.
Described revolving dial is arranged on described hollow seats, and can rotate around the axis of described pillar.
Described wire feeder is fixed on described revolving dial, and can rotate around the axis of described pillar together with described revolving dial; Described wire feeder comprises storage silk wheel, some guide wheels and waste silk curled hair wheel.
Described guide wheel is arranged on the lower end of described pillar, and can rotate around the axis of described pillar together with described revolving dial, described guide wheel be circumferentially provided with arc groove.
The part used in described wire electrode is around in the arc groove of described guide wheel, in described wire electrode, one end of untapped part is around in the storage silk wheel of described wire feeder, one end of the part used in described wire electrode around in the waste silk curled hair wheel of described wire feeder, and by waste silk curled hair wheel drive.
The technical scheme realizing another object of the present invention is: a kind of electric spark milling method, there are following steps: be 1. placed in by workpiece to be processed on the X-Y platform of electric spark milling lathe, the pillar of electric spark milling device is clamped on the main spindle's of electric spark milling lathe simultaneously; 2. start wire feeder, make revolving dial start to rotate around the axis of pillar simultaneously; 3., under digital control system controls, make workpiece to be processed and guide wheel by certain track relative motion, by around the wire electrode on guide wheel and the electric discharge between workpiece to be processed, ablation metal, machine-shaping.
The rotating speed of above-mentioned revolving dial is 500r/min ~ 800r/min; The wire travelling speed of wire electrode is 0.1m/s ~ 0.2m/s.
The good effect that the present invention has: electric spark milling device of the present invention has directly adopted the wire feeder in the slow wire feeding electric spark linear cutting machine of very mature and reliable, adding man-hour like this, just be equivalent to a diameter around the wire electrode on rotatable guide wheel, " rose cutter " that length all can not change, so both without the need to preparing shaped electrode, again without the need to considering electrode compensation problem, overcome the greatest difficulty in existing electric spark milling.
Accompanying drawing explanation
Fig. 1 is device schematic diagram of the present invention.
Fig. 2 is the left view of the guide wheel in Fig. 1.
Fig. 3 is method schematic diagram of the present invention.
Detailed description of the invention
(embodiment 1)
See Fig. 1, the electric spark milling device of the present embodiment comprises pillar 1, hollow seats 2, revolving dial 3, wire feeder 4, guide wheel 5 and wire electrode 6.
Wherein hollow seats 2 is fixed on pillar 1.Revolving dial 3 is arranged on hollow seats 2, and can rotate around the axis of pillar 1.Guide wheel 5 is arranged on the lower end of pillar 1, and can rotate around the axis of pillar 1 together with revolving dial 3, and the arc groove 51(that is circumferentially processed with of guide wheel 5 is shown in Fig. 2).
What wire feeder adopted is the wire feeder of slow wire feeding electric spark linear cutting machine, comprises storage silk wheel 41, some guide wheels 42, waste silk curled hair wheel 43, wire drawing die 44, tension force motor 45, wire electrode tension regulating shaft 46 and annealing device 47.
This wire feeder 4 is fixed on revolving dial 3 and (eliminates concrete connected mode in schematic diagram), and can rotate around the axis of pillar 1 together with revolving dial 3.
The part that wire electrode 6 can be divided into untapped part, the part used and use; The part wherein used is around in the arc groove 51 of guide wheel 5, one end of untapped part is around in the storage silk wheel 41 of wire feeder 4,43 drivings around in the waste silk curled hair wheel 43 of described wire feeder 4, and are taken turns by waste silk curled hair in the one end of the part used, and low speed identical tension moves.The brass electrode silk of to be diameter the be 1.5mm that wire electrode adopts.
See Fig. 3, the method adopting the electric spark milling device of the present embodiment to carry out electric spark milling has following steps:
1. workpiece to be processed 8 is placed on the X-Y platform 7 of electric spark milling lathe, the pillar 1 of electric spark milling device is clamped on the main spindle's of electric spark milling lathe simultaneously.
2. start wire feeder 4 at the uniform velocity wire, and the wire travelling speed arranging wire electrode 6 is 0.2m/s.Make revolving dial 3 start to rotate around the axis of pillar 1, rotating speed is 600r/min simultaneously.
At this moment wire feeder 4 rotates around the axis of pillar 1 together with revolving dial 3 with guide wheel 5, just constitutes a diameter like this, " rose cutter " that length all can not change around the wire electrode 6 in the arc groove 51 of guide wheel 5 together with guide wheel 5.
3. under the digital control system of electric spark milling lathe controls, locus, the spatial attitude of " rose cutter " are somebody's turn to do in change, thus make workpiece to be processed 8 and be somebody's turn to do " rose cutter " by certain track relative motion, and by being somebody's turn to do the electric discharge between " rose cutter " and workpiece to be processed 8, ablation metal, machine-shaping.
In wire feeder 4, the power supply of each electrical equipment and the power supply of wire electrode 6, all completed by the brush be arranged on pillar 1.
Claims (3)
1. an electric spark milling device, is characterized in that: comprise pillar (1), hollow seats (2), revolving dial (3), wire feeder (4), guide wheel (5) and wire electrode (6);
Described hollow seats (2) is fixed on described pillar (1);
Described revolving dial (3) is arranged on described hollow seats (2), and can rotate around the axis of described pillar (1);
Described wire feeder (4) is fixed on described revolving dial (3), and can rotate around the axis of described pillar (1) together with described revolving dial (3); Described wire feeder (4) comprises storage silk wheel (41), some guide wheels (42) and waste silk curled hair wheel (43);
Described guide wheel (5) is arranged on the lower end of described pillar (1), and can rotate around the axis of described pillar (1) together with described revolving dial (3), described guide wheel (5) be circumferentially provided with arc groove (51);
The part used in described wire electrode (6) is around in the arc groove (51) of described guide wheel (5), in described wire electrode (6), one end of untapped part is around in storage silk wheel (41) of described wire feeder (4), (43) driving around in waste silk curled hair wheel (43) of described wire feeder (4), and is taken turns by waste silk curled hair in the one end of the part used in described wire electrode (6).
2. carry out a method for electric spark milling with device according to claim 1, it is characterized in that there are following steps:
1. workpiece to be processed (8) is placed on the X-Y platform (7) of electric spark milling lathe, the pillar (1) of electric spark milling device is clamped on the main spindle's of electric spark milling lathe simultaneously;
2. start wire feeder (4), make revolving dial (3) start to rotate around the axis of pillar (1) simultaneously;
3., under digital control system controls, make workpiece to be processed (8) and guide wheel (5) by certain track relative motion, by around the wire electrode (6) on guide wheel (5) and the electric discharge between workpiece to be processed (8), ablation metal, machine-shaping.
3. method according to claim 2, is characterized in that: the rotating speed of revolving dial (3) is 500r/min ~ 800r/min; The wire travelling speed of wire electrode (6) is 0.1m/s ~ 0.2m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210417632.9A CN102922063B (en) | 2012-10-26 | 2012-10-26 | electric spark milling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210417632.9A CN102922063B (en) | 2012-10-26 | 2012-10-26 | electric spark milling device and method |
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| Publication Number | Publication Date |
|---|---|
| CN102922063A CN102922063A (en) | 2013-02-13 |
| CN102922063B true CN102922063B (en) | 2015-12-09 |
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| CN201210417632.9A Active CN102922063B (en) | 2012-10-26 | 2012-10-26 | electric spark milling device and method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611992B (en) * | 2013-12-16 | 2016-08-17 | 遵义航大海电器有限公司 | A kind of electric spark machine machine |
| CN106180923B (en) * | 2015-04-29 | 2018-08-21 | 首都航天机械公司 | A kind of micro three-dimensional structure electric spark milling process method |
| CN106863624B (en) * | 2017-03-17 | 2019-01-25 | 广东工业大学 | A kind of device of discharging milling insulating materials |
| CN107186301B (en) * | 2017-05-11 | 2019-04-23 | 广东工业大学 | One kind is inverted to be exempted to wear thread feed electric spark wire electric discharge machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202922055U (en) * | 2012-10-26 | 2013-05-08 | 江苏理工学院 | Electric spark milling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912166A1 (en) * | 1989-04-13 | 1990-10-18 | Johannes Nennhuber | DEVICE FOR WIRE EDMING WITH A TOOL MILLING MACHINE |
| WO1991000791A1 (en) * | 1989-07-13 | 1991-01-24 | Charmilles Technologies Sa | Device, standard blanks and standardized electrodes for milling by electroerosion |
| JP2007253260A (en) * | 2006-03-22 | 2007-10-04 | Mitsubishi Electric Corp | Electrical discharge machining control method and electrical discharge machining control device |
| EP2105236A1 (en) * | 2008-03-28 | 2009-09-30 | Siemens Aktiengesellschaft | Method for performing electrical discharge machining on an electricity conducting component fitted with a non-conducting coating |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202922055U (en) * | 2012-10-26 | 2013-05-08 | 江苏理工学院 | Electric spark milling device |
Non-Patent Citations (1)
| Title |
|---|
| 电火花铣削加工用展成电极的设计;叶树林等;<<机床与液压>>;20061231(第12期);12，13，53 * |
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