CN202438757U - Device for vertical correction of wire electrode with spark discharge position - Google Patents
Device for vertical correction of wire electrode with spark discharge position Download PDFInfo
- Publication number
- CN202438757U CN202438757U CN2012200718742U CN201220071874U CN202438757U CN 202438757 U CN202438757 U CN 202438757U CN 2012200718742 U CN2012200718742 U CN 2012200718742U CN 201220071874 U CN201220071874 U CN 201220071874U CN 202438757 U CN202438757 U CN 202438757U
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- head
- line electrode
- rectangular piece
- vertical
- vertical correction
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Abstract
The utility model discloses a device for vertical correction of a wire electrode with a spark discharge position. The device comprises an upper head, a lower head, the wire electrode and a rectangular workpiece, wherein the wire electrode penetrates through the upper head and the lower head and is clamped between the upper head and the lower head; six faces of the rectangular workpiece are perpendicular mutually; and the rectangular workpiece is provided with a displacement device capable of adjusting relative position between the wire electrode and the rectangular workpiece and is also provided with a controller capable of detecting voltage amplitude and controlling the displacement position. The device is characterized in that: the upper head is connected with a position adjusting device capable of adjusting the X-axis position and the Y-axis position of the upper head; and the position adjusting device is connected between the upper head and a third-axis stand column. Thus, auxiliary tools such as a vertical corrector can be saved, an absolutely vertical position is not required to be solved through multiple edge finding measurement and complex mathematical operation, the permissible deviation range of horizontal accuracy of a working table for mounting a machined workpiece is large, and the influence on error of horizontality can be effectively avoided.
Description
Technical field
The utility model be a kind of can be applicable to wire-cut electric discharge machine line electrode is carried out the device of vertical correction, especially a kind of in three axis cutting discharging processing machine, line electrode is carried out the device of vertical correction with the spark discharge position.
Background technology
In the vertical correction method and device of the wire-cut electric discharge machine of convention; For example the revealer of institute can know in No. 485076 specification of TaiWan, China patent of invention; Located by prior art is to use the vertical correction device to come the line electrode (copper cash) to line cutting Electrical Discharge Machine; Vertical correction is carried out in position to move upper and lower head, and as depicted in figs. 1 and 2 is the vertical correction device of two kinds of different structure forms, comprises a rectangle vertical correction device 1, one circular vertical correction device 1a.With this rectangle vertical correction device 1; Its method of correcting is that rectangle vertical correction device 1 is installed on the platform, make the PX1 face parallel with the X axle with the PX2 face, and the PY1 face is parallel with the Y axle with the PY2 face; The line electrode of mobile working state (copper cash); Earlier head X down, on head U direction try to achieve on PX1 face and the PX2 face in contact point, or earlier head Y direction down, on head V direction try to achieve on PY1 face and the PY2 face in contact point, then more distinctly relative other direction is done identical action; Remove to try to achieve while contact point up and down, so can find the upright position of copper cash; But the shortcoming of the capable vertical correction device 1 of this square is must adjuster main body 7 to be installed on the plane parallel with the bed platform, otherwise need do repeatedly X, the Y direction repeats to proofread and correct, and just can converge to the upright position; So in like manner, school plate 3 under rectangle colonel plate 2 in the capable vertical correction device 1 of this square and the rectangle also need have quite good plane precision, the depth of parallelism and vertical precision, just degree of correction accurately can be arranged.
On colonel's plate 2a of another kind of circular vertical correction device 1a, the following school plate 3a, respectively have a circular rings C1, C2, these two circular rings C1, C2 are on same concentric shafts; Through these two circular rings C1, C2, circular rings C1, C2 contact with being somebody's turn to do up and down with copper cash, and find out the home position of these two circular rings C 1, C2 with copper cash; Copper cash is exactly in the vertical line position through these two home positions; The bearing calibration of the circular vertical correction device of this kind can be found out the absolute upright position of line electrode (copper cash), but still need be through manufacturing the auxiliary fixture of this vertical correction device, and reaching needs 3 contact positions try to achieve the center of circle to a circular rings at least; So need contact point repeatedly to measure to obtain home position; Be to promote the vertical accuracy in school, also need repeatedly measure home position after, ask a mean value to reach again.
A kind of wire-cut electric discharge machine that is disclosed for I226271 number like the TaiWan, China patent of invention is in addition sought the vertical method in school, limit; It is as shown in Figure 3 that can directly to utilize workpiece 20 to seek the school, limit vertical, because of the bottom surface of this workpiece 20 is placed in workbench 50 surfaces of wire-cut electric discharge machine, and the acute angle that forms with the bottom edge of this workpiece 20; Detecting reference point as vertical correction; To the position that is less than three differing heights, let line of cut 53 do and contact with four actions of keeping to the side, with the last head 51 of wire-cut electric discharge machine according to different contact amount of movements and the leg-of-mutton similarity relation of mathematics with detecting reference point; Can try to achieve the height and the vertical tram of upper and lower head 51,52; Though this kind school vertical process can not need be passed through the auxiliary of high-accuracy vertical correction device, need do the action of keeping to the side for four times in the position of Z axle differing heights, with the amount of movement that keeps to the side at various height; Utilize leg-of-mutton similarity relation on the mathematics; With four simultaneous equations, try to achieve the height of upper and lower head and the right value of upright position, can also try to achieve the absolute upright position of line of cut 53 through this complex mathematical computing.But to wire-cut electric discharge machine under the high accuracy standard-required of process technology; Processed workpiece is placed in the error of the levelness of board and is also considered carefully; The line of cut of absolute upright position is in the enterprising column rule cutting of the workpiece that horizontal error is arranged edm; The path shape of accomplishing processing also can occurrence of errors; For example, the machining path shape is one positive circular, possibly become an ellipse with the line of cut of the absolute upright position path shape after accomplishing processing on the gradient workpiece planarization.
The utility model content
In order to overcome above-mentioned defective; The utility model provides a kind of line electrode to carry out the device of vertical correction with the spark discharge position; The device that this line electrode carries out vertical correction with the spark discharge position is with the position of the spark discharge reference levels face according to workpiece to be machined; Find out the position of relative vertical line; Guaranteeing the degree of accuracy of machining path shape, so the utility model can avoid the use of the aids such as vertical correction device that located by prior art needs the high depth of parallelism, vertical precision and plane precision, not need through repeatedly seek that the limit action measures and the complex mathematical formula operation goes to ask for absolute vertical position; It is bigger workpiece to be machined to be installed on the tolerance that the horizontal quality of fit of the work top of wire-cut electric discharge machine requires, and more can avoid the influence of planar horizontal degree error effectively.
The utility model for the technical scheme that solves its technical problem and adopt is:
A kind of line electrode carries out the device of vertical correction with the spark discharge position; Comprise head, following head and line electrode; Said line electrode passes said upper and lower head and is held on said upper and lower head, also includes rectangular piece, and six faces of said rectangular piece are vertical each other; Be provided with the gearshift that to adjust said line electrode and said rectangular piece relative position; Also be provided with and can detect voltage swing and can control the controller of said gearshift, the said head of going up is connected with and can adjusts the position regulator of head at X axle and Y shaft position, and said position regulator is connected between said last head and the 3rd column.The magnitude of voltage that controller is given tacit consent to the magnitude of voltage and that detects compares; With the control bit moving device with line electrode and rectangular piece on the direction of one of X axle and Y axle relatively near or relatively away from; To adjust the relative position of upper and lower head and rectangular piece; Make the position of upper and lower head reach critical discharge position point through adjusting repeatedly; And the position through head in the position regulator inching, when the spark discharge phenomenon on the line electrode evenly occurred on the surface of rectangular piece, last head made the reference levels face relative vertical position of line electrode to rectangular piece with following head arrival.
Say that further said the 3rd is the Z axle.
Say that further said position regulator is a U, V position adjustment piece.Said U, V position adjustment piece are connected with independently manual driving device or independently Vidacare corp.
Say that further said gearshift is for placing the workbench of said rectangular piece.
The beneficial effect of the utility model is: the magnitude of voltage that controller is given tacit consent to the magnitude of voltage and that detects compares; With the control bit moving device with line electrode and rectangular piece on the direction of one of X axle and Y axle relatively near or relatively away from; To adjust the relative position of upper and lower head and rectangular piece; Make the position of upper and lower head reach critical discharge position point through adjusting repeatedly; And the position through head in the position regulator inching, when the spark discharge phenomenon on the line electrode evenly occurred on the surface of rectangular piece, last head made the reference levels face relative vertical position of line electrode to rectangular piece with following head arrival; So the utility model can avoid the use of aids such as vertical correction device; Need the limit measure and the complex mathematical computing not go to ask for absolute vertical position through repeatedly seeking, the tolerance of the horizontal accuracy of the work top that workpiece to be machined is installed is bigger, can avoid the influence of horizontal gradient error effectively.
Description of drawings
Fig. 1 is for commonly using rectangle vertical correction device sketch map;
Fig. 2 is for commonly using circular vertical correction device sketch map;
Fig. 3 utilizes workpiece for located by prior art and seeks the vertical enforcement sketch map in school, limit;
Fig. 4 is that the upper and lower head of the utility model and line electrode and rectangular piece position concern stereogram;
Fig. 5 carries out one of a kind of action kenel sketch map of vertical correction for the utility model with the spark discharge position;
Fig. 6 for the utility model carry out with the spark discharge position vertical correction a kind of action kenel sketch map two;
Fig. 7 carries out one of another kind action kenel sketch map of vertical correction with the spark discharge position for the utility model;
Fig. 8 carry out with the spark discharge position for the utility model vertical correction another kind action kenel sketch map two;
Fig. 9 is U, the V axle motion structure of general three axis cutting discharging processing machine;
Figure 10 is the position regulator sketch map of head on the utility model;
Figure 11 is one of the utility model spark discharge phenomenon sketch map;
Figure 12 is two of the utility model spark discharge phenomenon sketch map;
Figure 13 is three of the utility model spark discharge phenomenon sketch map;
Figure 14 is four of the utility model spark discharge phenomenon sketch map;
Figure 15 is five of the utility model spark discharge phenomenon sketch map;
Figure 16 is six of the utility model spark discharge phenomenon sketch map.
The specific embodiment
Below through the specific embodiment of specific instantiation explanation the utility model, the personage who is familiar with this skill can be understood the advantage and the effect of the utility model easily by the content that this specification disclosed.The utility model also can other different mode be implemented, and, under the category that discloses from the utility model that is not contrary to, can give different modifications and change that is.
Embodiment: the linear process tool as far as wire-cut electric discharge machine conduction usefulness, the line of cut of being called or copper cash are arranged in disclosed located by prior art, in explanations such as narration the utility model embodiment, then be referred to as line electrode.Carry out the method for vertical correction with the spark discharge position at explanation the utility model line electrode; Upper and lower head of the utility model as shown in Figure 4 and line electrode and rectangular piece position concern in the stereogram; One rectangular piece, 30 cubical six surfaces all vertically meet at right angles each other; In desirable situation is on the horizontal plane of fixed placement at workbench; The controller of wire-cut electric discharge machine can be according to the magnitude of voltage of the magnitude of voltage that detects and an acquiescence relatively, with control a line electrode 53a and this rectangular piece 30 approaching relatively or away from; If the magnitude of voltage that detects is lower than the magnitude of voltage of this acquiescence, then control this line electrode 53a and this rectangular piece 30 relatively away from; If the magnitude of voltage that detects is higher than the magnitude of voltage of this acquiescence, then control this line electrode 53a and this rectangular piece 30 is approaching relatively; So promptly be to control on the head 52a and head 51a with respect to this rectangular piece 30, simultaneously synchronously in X, Y direction motion, this time head 52a and last head 51a can do relative motion in Z-direction.Reach the clamping of head 52a down through the described head 51a of going up; Pass this line electrode 53a conduction for the discharge dissection; When this line electrode 53a near this rectangular piece 30 arrive can gap discharge the position time; The phenomenon of gap discharge spark will take place, if this line electrode 53a essence when being electrically connected to this rectangular piece 30 short circuit current will take place and the stop gap discharge.
Carry out the action sketch map of vertical correction with the spark discharge position for the utility model like Fig. 5 to Fig. 6; In Fig. 5; The controller of wire-cut electric discharge machine can be controlled this line electrode 53a and this rectangular piece 30 in X-direction, carry out relatively near or shift position relatively remotely; Be moved to the position of X axle A1 as this time head 52a; This synchronization-moving position of going up head 51a is from the position of this rectangular piece 30 position B1 far away the time; Make in the end and the distance of this rectangular piece 30 of this line electrode 53a near the arrival gap discharge; If reach the purpose of upright position this moment, and with this time of moved further head 52a be moved to X axle A2 and should on head 51a be moved to the B2 position, during more near this rectangular piece 30; The situation that essence electrically connects will take place with this rectangular piece 30 in this line electrode 53a, causes short circuit current;
At Fig. 6 middle controller when the magnitude of voltage that detects during less than the magnitude of voltage of this acquiescence; Then can control this line electrode 53a and this rectangular piece 30 relatively away from; Then this time head 52a moves arrival near the A3 position in the position of X axle towards the direction away from this rectangular piece 30; Simultaneously synchronously, head 51a moves arrival near the B31 position in the position of X axle towards the direction away from this rectangular piece 30 on this; Controller can change according to the voltage swing that detects, with control this line electrode 53a and this rectangular piece 30 approaching relatively automatically or relatively away from; If this time head 52a is in the position of X axle, with near or do away from these rectangular piece 30 directions and to adjust this time head 52a repeatedly in the position of X axle, reach the critical discharge position point of A3; Should go up head 51a then needs by a position regulator; Be adjusted at the position that the X axle moves; Little by little make on this head 51a to this rectangular piece 30 near to B3; Reach critical discharge position point, should go up this moment head 51a and this time head 52a promptly arrive this line electrode 53a on the XZ plane to the vertical position of X axle.
Carry out another kenel action sketch map of vertical correction with the spark discharge position for the utility model like Fig. 7 to Fig. 8; In Fig. 7; Head 51a is moved to the position of X axle B1 ' on this; Position of this synchronization-moving down head 52a is from the position of this rectangular piece 30 position A1 ' far away the time, and an end that makes this line electrode 53a and this rectangular piece 30 be near in the distance that arrives gap discharges, and will to comply with the magnitude of voltage that detects be less than this scheduled voltage to this controller at this moment; Then controlling this line electrode 53a and this rectangular piece 30 then is moved to X axle A2 ' and should goes up head 51a away from, this time head 52a relatively and be moved to B2 ' position;
In Fig. 8; Controller is when the magnitude of voltage that detects during greater than the magnitude of voltage of this acquiescence; Then can control this line electrode 53a and this rectangular piece 30 is approaching relatively; Then this time head 52a moves arrival near A31 ' position in the position of X axle towards the direction near this rectangular piece 30, on this head 51a in the position of X axle then by this position regulator to move arrival near B31 ' position towards direction away from this rectangular piece 30; Controller can change according to the voltage swing that detects, with control this line electrode 53a and this rectangular piece 30 approaching relatively automatically or away from; If this time head 52a in the position of X axle, reaches the critical discharge position point of A3 '; Should go up head 51a then needs by this position regulator; Inching is in position that the X axle moves; Little by little make head 51a on this to this rectangular piece 30 away from direction move to B3 '; Reach critical discharge position point, should go up this moment head 51a and this time head 52a promptly arrive this line electrode 53a on the XZ plane to the vertical position of X axle.
According to above-mentioned identical principle, similar methods step; Going this line electrode of control adjustment 53a to carry out the position in Y direction moves; With this line electrode 53a and this rectangular piece 30 in Y direction; Carry out relatively near or shift position relatively remotely, adjustment should be gone up head 51a and with this time head 52a this rectangular piece 30 reached critical discharge position point, being somebody's turn to do this moment upward, head 51a and this time head 52a promptly arrive this line electrode 53a upright position to the Y axle on the YZ plane.
The utility model line electrode carries out the device of vertical correction with the spark discharge position; According to aforesaid step; Can comprise a controller, with the magnitude of voltage of the magnitude of voltage that detects and an acquiescence relatively, with control this line electrode 53a and this rectangular piece 30 approaching relatively or relatively away from; If the magnitude of voltage that detects is lower than the magnitude of voltage of this acquiescence, then control this line electrode 53a and this rectangular piece 30 relatively away from; If the magnitude of voltage that detects is higher than the magnitude of voltage of this acquiescence, then control this line electrode 53a and this rectangular piece 30 is approaching relatively; According to the size variation of detection lines cutting discharge voltage, with control this time head 52a and this on head 51a relatively this rectangular piece 30 in X axle, Y direction, carry out synchronously and motion and the displacement action of while; Make this line electrode 53a with relatively near or do the position of adjusting this this line electrode 53a repeatedly away from these rectangular piece 30 directions relatively, reach critical discharge position point; Should go up the position of head 51a can be moved in U, the adjustment of V direction by a position regulator; This adjustment mobile device is arranged on a Z axle column and should goes up between the head 51a; Spark discharge phenomenon on this line electrode 53a; When reaching on the surface that evenly occurs in this rectangular piece 30, this last head 51a and this time head 52a promptly arrived and made this line electrode 53a to these rectangular piece 30 reference levels faces, the correction of relative vertical position this moment.
U, the V axle motion structure of three axis cutting discharging processing machine as Fig. 9 is; Should go up head 51a can move at U, V direction of principal axis; Should go up head 51a and be connected a Z axle column 56 lower ends; This Z axle column 56 is to be connected a U, V axle movable block 55 belows by slide rail, then should go up head 51a and can move in U, V, Z-direction.As if the kenel of wire-cut electric discharge machine with three-axis moving, head 51a and this time head 52a are as fixing together motion at X axle and Y direction on this, and head 51a's this time head 52a can do relative motion in Z-direction with being somebody's turn to do upward; The embodiment of the wire-cut electric discharge machine of these three kenels; Can be merely in Z-direction by head 51a on this and this time head 52a and do relative motion, and X axle and Y direction are fixed, the motion of X axle and Y direction is then done mobile by the workbench of settling workpiece; But in order to make the vertical correction of this line electrode 53a to these rectangular piece 30 reference levels faces; It is mobile then must to adjust in U, V direction to head 51a on this, and as shown in Figure 10, head 51a is connected a position regulator on this---U, V position adjustment piece 55a lower end; This U, V position adjustment piece 55a then are connected to this Z axle column 56 lower ends; The position adjustment move mode of this U, V position adjustment piece 55a then can be installed control knob, rotary screw, electronic hand wheel etc. by in U or V direction on the different directions; For manual adjustment; Or small stepper motor is installed moves the displacement in U or V direction with the electronic adjustment of button, to reach this line electrode 53a to these rectangular piece 30 reference levels faces, the correction of relative vertical position.
Like Figure 11 to 16 is the utility model spark discharge phenomenon sketch map; Be when this line electrode 53a when progressively reaching vertical correction; Produce the phenomenon of discharge spark 40 near this rectangular piece 30; Be this line electrode 53a like Figure 11 and during earlier near the side of this rectangular piece 30, begin the phenomenon of discharge spark 40 by the lower end with this time head 52a; Be when going up head 51a near this rectangular piece 30 like Figure 12, when progressively arriving the upright position, the phenomenon of this line electrode 53a discharge spark 40 is progressively extended to middle by the lower end; As Figure 13 be when this time head 52a and on this head 51a near the side of this rectangular piece 30; All reach critical discharge position point; The phenomenon of discharge spark 40 evenly occurs on the side of this rectangular piece 30; Be the horizontal reference plane of this line electrode 53a, reach the position of vertical correction this rectangular piece 30.Be this line electrode 53a like Figure 14 and during earlier near the side of this rectangular piece 30, begin the phenomenon of discharge spark 40 by the upper end with head 51a on this; As Figure 15 be when this time head 52a near this rectangular piece 30, when progressively arriving the upright position, the phenomenon of this line electrode 53a discharge spark 40 is progressively by in the middle of the upper end extends to; Be on this head 51a and this time head 52a near the side of this rectangular piece 30 like Figure 16; All reach critical discharge position point; The phenomenon of discharge spark 40 evenly occurs on the side of this rectangular piece 30; Be the horizontal reference plane of this line electrode 53a, reach the position of vertical correction this rectangular piece 30.Method according to the utility model; If the horizontal reference plane of this rectangular piece 30 is not when being positioned on the actual absolute horizontal plane; This line electrode 53a still can reach the purpose with respect to the horizontal reference plane vertical correction of this rectangular piece 30, and the path shape after the edm still can correctly be implemented on the workpiece to be machined.
So the line electrode of the utility model carries out the device and the bearing calibration thereof of vertical correction with the spark discharge position, can avoid the use of the aids such as vertical correction device that located by prior art needs the high depth of parallelism, vertical precision and plane precision; Not need through repeatedly seek that limit action measures and the complex mathematical formula operation goes to ask for absolute vertical position; It is bigger workpiece to be machined to be installed on the tolerance that the horizontal quality of fit of the work top of wire-cut electric discharge machine requires; More can avoid the influence of planar horizontal degree error effectively; Make this line electrode 53a to these rectangular piece 30 reference levels faces, the function of the correction of relative vertical position to reach.
The foregoing description is merely the principle and the effect thereof of illustrative the utility model, but not is used to limit the utility model.The rights protection scope of the utility model should be listed like claims.
Claims (5)
1. a line electrode carries out the device of vertical correction with the spark discharge position; Comprise head, following head and line electrode; Said line electrode passes said upper and lower head and is held on said upper and lower head; Also include rectangular piece; Six faces of said rectangular piece are vertical each other, are provided with the gearshift that can adjust said line electrode and said rectangular piece relative position, also are provided with the controller that can detect voltage swing and can control said gearshift; It is characterized in that: the said head of going up is connected with and can adjusts the position regulator of head at X axle and Y shaft position, and said position regulator be connected in said between head and the 3rd column.
2. line electrode as claimed in claim 1 carries out the device of vertical correction with the spark discharge position, it is characterized in that: said the 3rd is the Z axle.
3. line electrode as claimed in claim 2 carries out the device of vertical correction with the spark discharge position, it is characterized in that: said position regulator is a U, V position adjustment piece.
4. line electrode as claimed in claim 3 carries out the device of vertical correction with the spark discharge position, it is characterized in that: said U, V position adjustment piece are connected with manual driving device independently and a kind of in the Vidacare corp independently.
5. line electrode as claimed in claim 1 carries out the device of vertical correction with the spark discharge position, it is characterized in that: said gearshift is for placing the workbench of said rectangular piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200718742U CN202438757U (en) | 2012-02-29 | 2012-02-29 | Device for vertical correction of wire electrode with spark discharge position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200718742U CN202438757U (en) | 2012-02-29 | 2012-02-29 | Device for vertical correction of wire electrode with spark discharge position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202438757U true CN202438757U (en) | 2012-09-19 |
Family
ID=46820212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200718742U Withdrawn - After Issue CN202438757U (en) | 2012-02-29 | 2012-02-29 | Device for vertical correction of wire electrode with spark discharge position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202438757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286398A (en) * | 2012-02-29 | 2013-09-11 | 昆山徕通机电科技有限公司 | Device for perpendicularly adjusting line electrode in spark discharge position and adjusting method thereof |
| CN105598539A (en) * | 2014-11-19 | 2016-05-25 | 发那科株式会社 | Wire electric discharge machine having corner shape correcting function |
| CN107116277A (en) * | 2017-05-24 | 2017-09-01 | 何家庆 | A kind of wire cutting machine tool molybdenum filament automatic correction device |
-
2012
- 2012-02-29 CN CN2012200718742U patent/CN202438757U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286398A (en) * | 2012-02-29 | 2013-09-11 | 昆山徕通机电科技有限公司 | Device for perpendicularly adjusting line electrode in spark discharge position and adjusting method thereof |
| CN103286398B (en) * | 2012-02-29 | 2016-04-06 | 昆山徕通机电科技有限公司 | Line electrode carries out device and the bearing calibration thereof of vertical correction with spark discharge position |
| CN105598539A (en) * | 2014-11-19 | 2016-05-25 | 发那科株式会社 | Wire electric discharge machine having corner shape correcting function |
| CN105598539B (en) * | 2014-11-19 | 2017-12-26 | 发那科株式会社 | Wire electric discharge machine with angular shape calibration function |
| US10307847B2 (en) | 2014-11-19 | 2019-06-04 | Fanuc Corporation | Wire electric discharge machine having corner shape correcting function |
| CN107116277A (en) * | 2017-05-24 | 2017-09-01 | 何家庆 | A kind of wire cutting machine tool molybdenum filament automatic correction device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120919 Effective date of abandoning: 20160406 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |