CN1718347A - Electric spark tridimensional cavity processing method based on wire electrode and its processing equipment - Google Patents
Electric spark tridimensional cavity processing method based on wire electrode and its processing equipment Download PDFInfo
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- CN1718347A CN1718347A CN 200510035647 CN200510035647A CN1718347A CN 1718347 A CN1718347 A CN 1718347A CN 200510035647 CN200510035647 CN 200510035647 CN 200510035647 A CN200510035647 A CN 200510035647A CN 1718347 A CN1718347 A CN 1718347A
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Abstract
An electric spark technology based on wire electrode for machining 3D die cavity features that a movable metal wire as electrode is arranged on a wire guide rod as supporter, and the movement of the metal wire can compensate the loss of electrode in machining procedure. Its apparatus is composed of metal wire, wire guide rod, wire moving mechanism, cradle for installing said wire guide rod and wire moving mechanism and with rollers on machine frame, and motor for driving said cradle.
Description
Technical field
The present invention relates to a kind of method and process equipment thereof of spark machined, more particularly relate to three-dimensional die cavity expansion machining method of fine-pitch of a kind of electric spark and process equipment thereof based on line electrode.
Background technology
In the prior art, the common method of carrying out three-dimensional die cavity spark machined is an electrode copy processing method, it adopts shaped electrode, by control electrode progressively to the workpiece feeding, rely on the spark discharge between electrode and workpiece to come material unnecessary on the ablation workpiece, at last with the shape copying of electrode to workpiece.Its disadvantage is must produce the shaped electrode identical with the part to be processed shape in first being processed, and when the shape more complicated of part to be processed, the manufacturing of the shaped electrode comparatively difficulty that also becomes has increased manufacturing cost, has prolonged the production cycle.In order to overcome these problems, from the 1980s, Chinese scholars is through exploratory development, developed a kind of novel spark-erosion sinking process technology---the three-dimensional die cavity generate processing of electric spark, it adopts the normal electrode (as stick electrode) of simple shape under the control of digital control system three-dimensional die cavity or profile to be carried out the generate spark machined.Compare with traditional Electric Discharge Machining, design and manufacturing that shaped electrode has not only been saved in the three-dimensional die cavity generate processing of electric spark, shortened the production cycle of product, reduced processing charges, improve processing flexibility, and solved series of process difficult problems such as processing stability in traditional spark machined, capacity effect effectively.But because the export license that in the three-dimensional die cavity generate processing of electric spark, exists inevitably, and the loss of electrode directly influences machining accuracy.Up to the present, the compensation for electrode wear problem in the three-dimensional die cavity generate of electric spark also is not well solved, and the application of the three-dimensional die cavity generate processing of electric spark is very restricted.Though the line cutting processing is to adopt the mode of portable cord electrode, the line cutting can not processing cavity, but can only process the workpiece that line electrode passes, and still can't solve the problem of compensation for electrode wear at present for the processing of die cavity, does not find similar patent.
Summary of the invention
An object of the present invention is provides a kind of processing cost low in order to solve above-mentioned deficiency, the machining accuracy height, process flexibility and stability are high, and can effectively solve the three-dimensional die cavity expansion machining method of fine-pitch of a kind of electric spark based on line electrode of compensation for electrode wear problem in the process.
Another object of the present invention provides a kind of process equipment of realizing above-mentioned processing method.
The technical solution that the present invention adopts in order to solve the problems of the technologies described above is as follows:
Based on the three-dimensional die cavity expansion machining method of fine-pitch of the electric spark of line electrode, it is to support with conducting wire pole, movably wire is set on conducting wire pole, with this movably wire as electrode, the export license that utilizes motion compensation wiry in the three-dimensional die cavity generate processing of electric spark, to exist.
Adopt the process equipment of above-mentioned processing method to include wire, conducting wire pole and wire feeder, the wire feeder drive is moved around the wire on the conducting wire pole, conducting wire pole and wire feeder are respectively by being installed on the frame by rotating supporting plate, supporting plate drives by rack-mounted drive motors, is provided with roller between supporting plate and frame.
Described wire feeder comprises into a mechanism and wire drawing mechanism, two ends wiry lay respectively at in the mechanism and wire drawing mechanism, advancing also to be respectively arranged with steady silk device on a mechanism and the wire drawing mechanism, advancing between a mechanism and wire drawing mechanism and conducting wire pole also to be provided with directive wheel described.
Described conducting wire pole is provided with godet roller or seal wire groove, and wire is on the godet roller or seal wire groove of conducting wire pole.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is: the present invention with wire as electrode, driving wire by wire feeder moves on conducting wire pole, solve a difficult problem that is difficult to compensate at the export license that utilizes electric spark to carry out existing in the three-dimensional die cavity generate processing effectively, had great application value; Owing to solved the loss problem of electrode in the three-dimensional die cavity generate of electric spark process well, thereby improved processing flexibility greatly, processing stability and machining accuracy; Utilization utilizes stick electrode to carry out the three-dimensional die cavity expansion machining method of fine-pitch of electric spark to compare the good stability of its processing, machining accuracy height with traditional based on the three-dimensional die cavity expansion machining method of fine-pitch of the electric spark of line electrode.
Description of drawings
Fig. 1 is the three-dimensional die cavity generate of an electric spark process principle schematic diagram in the prior art;
Fig. 2 the present invention is based on the three-dimensional die cavity generate of the electric spark process principle schematic diagram of line electrode;
Fig. 3 is a process equipment structural representation of the present invention;
Fig. 4 is another structural representation of process equipment of the present invention.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3 and Fig. 4 and shown in, wherein Fig. 1 is the three-dimensional die cavity generate of an electric spark machining principle schematic diagram in the prior art, it drives the electrode bar rotation by main shaft workpiece 10 is carried out three-dimensional die cavity generate processing; Fig. 2 is the three-dimensional die cavity generate of an electric spark of the present invention process principle schematic diagram, and it is to utilize based on the three-dimensional die cavity expansion machining method of fine-pitch of the electric spark of line electrode workpiece 10 is carried out three-dimensional die cavity generate processing; It is with wire 1 as electrode, support with conducting wire pole 2, movably wire 1 is set, the export license that the motion compensation that utilizes wire 1 exists in the three-dimensional die cavity generate of electric spark process on conducting wire pole 2; Fig. 3 is the structural representation of the process equipment of the processing method among employing the present invention, this process equipment is mainly by wire 1, conducting wire pole 2, supporting plate 3, frame 4, drive motors 5, roller 6, enter a mechanism 7, wire drawing mechanism 8 and guide wheel 9 constitute, advance a mechanism 7 and wire drawing mechanism 8 composition wire feeders, conducting wire pole 2 and wire feeder are respectively by being installed on the frame 4 by rotating supporting plate 3, also be provided with godet roller or seal wire groove on the described conducting wire pole 2, with wire 1 as electrode, support with conducting wire pole 2, wire 1 is on the godet roller 11 or seal wire groove of conducting wire pole 2, so that the position of stable metal silk 1 on conducting wire pole 2, described supporting plate 3 is to be installed on the frame 4 by drive motors 5, between supporting plate 3 and frame 4, be provided with roller 6, the two ends of wire 1 lay respectively at advancing in a mechanism 7 and the wire drawing mechanism 8 of wire feeder, advancing on a mechanism 7 and the wire drawing mechanism 8 also to be respectively arranged with steady silk device, advance between a mechanism 7 and wire drawing mechanism 8 and the conducting wire pole 2 also to be provided with directive wheel 9 described, by said structure as seen, the present invention drives wire 1 by wire feeder and moves on conducting wire pole 2, solved a difficult problem that is difficult to compensate at the export license that utilizes electric spark to carry out existing in the three-dimensional die cavity generate process effectively, carrying out the three-dimensional die cavity expansion machining method of fine-pitch of electric spark with traditional stick electrode compares, low cost of manufacture of the present invention, shortened the production cycle greatly, increase processing flexibility, improved processing stability and machining accuracy.Fig. 4 is another structural representation of process equipment of the present invention.
Claims (9)
1, based on the three-dimensional die cavity expansion machining method of fine-pitch of the electric spark of line electrode, it is characterized in that: it with wire movably as electrode, utilize the spark discharge between wire and the workpiece to realize the three-dimensional die cavity of workpiece is processed, and rely on the export license of motion compensation generation in the three-dimensional die cavity generate processing of electric spark of wire electrode.
2, adopt the process equipment of the described processing method of claim 1, it is characterized in that: it includes wire, conducting wire pole and wire feeder, and the wire feeder drive is moved around the wire on the conducting wire pole.
3, process equipment according to claim 2 is characterized in that: described conducting wire pole and wire feeder are respectively by being installed on the frame by rotating supporting plate.
4, process equipment according to claim 3 is characterized in that: described supporting plate drives by rack-mounted drive motors.
5, process equipment according to claim 3 is characterized in that: be provided with roller between described supporting plate and the frame.
6, according to claim 2,3,4 or 5 described process equipments, it is characterized in that: described wire feeder comprises into a mechanism and wire drawing mechanism, and two ends wiry lay respectively at in the mechanism and wire drawing mechanism.
7, process equipment according to claim 6 is characterized in that: describedly advance on a mechanism and the wire drawing mechanism also to be respectively arranged with steady silk device.
8, process equipment according to claim 6 is characterized in that: advance between a mechanism and wire drawing mechanism and conducting wire pole also to be provided with directive wheel described.
9, process equipment according to claim 8 is characterized in that: described conducting wire pole is provided with godet roller or seal wire groove, and wire is on the godet roller or seal wire groove of conducting wire pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510035647 CN1718347A (en) | 2005-07-08 | 2005-07-08 | Electric spark tridimensional cavity processing method based on wire electrode and its processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510035647 CN1718347A (en) | 2005-07-08 | 2005-07-08 | Electric spark tridimensional cavity processing method based on wire electrode and its processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1718347A true CN1718347A (en) | 2006-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510035647 Pending CN1718347A (en) | 2005-07-08 | 2005-07-08 | Electric spark tridimensional cavity processing method based on wire electrode and its processing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186301A (en) * | 2017-05-11 | 2017-09-22 | 广东工业大学 | One kind is inverted to be exempted to wear thread feed electric spark wire electric discharge machine |
-
2005
- 2005-07-08 CN CN 200510035647 patent/CN1718347A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186301A (en) * | 2017-05-11 | 2017-09-22 | 广东工业大学 | One kind is inverted to be exempted to wear thread feed electric spark wire electric discharge machine |
| 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 |
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