CN102615364B - Three-dimensional ultrasonic synergetic modulation micro electrospark wire-electrode cutting machining device - Google Patents
Three-dimensional ultrasonic synergetic modulation micro electrospark wire-electrode cutting machining device Download PDFInfo
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Abstract
The invention relates to a three-dimensional ultrasonic synergetic modulation micro electrospark wire-electrode cutting machining device in wire-electrode cutting. The three-dimensional ultrasonic synergetic modulation micro electrospark wire-electrode cutting machining device comprises a wire travelling unit, a control unit, an ultrasonic power supply, a modulation circuit, a pulsed power supply and a three-dimensional ultrasonic vibrating mechanism for driving a workpiece to be machined to perform three-dimensional vibration, wherein the control unit is respectively connected with the pulsed power supply and the ultrasonic power supply. The invention has the advantages that: the ultrasonic power supply drives the three-dimensional ultrasonic vibrating mechanism to vibrate, so that the workpiece is driven to perform three-dimensional vibration, and discharge scraps and bubbles are timely and efficiently discharged from a discharge gap on the basis of low-voltage wire-electrode cutting machining under the condition that the discharge gap is small; and therefore, the wire-electrode cutting can be smoothly performed under the condition that the discharge gap is small, and the machining precision of the wire-electrode cutting is improved.
Description
Technical field
The present invention relates to the line cutting, relate in particular to the collaborative modulation of a kind of three-dimensional ultrasonic fine electric spark wire electric discharge machine in the line cutting.
Background technology
Along with the development of scientific and technological level, more and more higher to the requirement on machining accuracy of workpiece, the machining accuracy and the machining gap of Wire EDM are closely related, and present processing mode makes the machining gap of WEDM be close to and reaches capacity.
The pulse power that small individual pulse discharge energy can be provided is the prerequisite that realizes fine electric spark line cutting processing.Aspect micro-energy impulsing power source, the controlled RC pulse power of transistor, the parallel resonance pulse power, the Energy Controllable pulse power are arranged at present, be applied to the synchronous pulse power of the capacitance coupling type pulse power, the ultrasonic vibration of fine electric spark processing etc. in addition.But great majority all are as the basis with the RC pulse power.RC pulse power electric capacity energy stored can be expressed as Wp=0.5 (C+C') U2, and wherein Wp is individual pulse discharge energy (J); C is the appearance value (F) of nominal capacitance; C' is the appearance value (F) of stray capacitance; U is the operating voltage (V) of RC power supply.From formula as can be known, reduce the individual pulse discharge energy, it is more direct effectively to reduce voltage U.But according to traditional viewpoint: spark machined can not be kept voltage (be generally under 20 ~ 30V) and process, so it is generally acknowledged, the appearance value that reduces electric capacity is a kind of comparatively desirable selection being lower than spark.But the appearance value of electric capacity is subjected to whole device stray capacitance C'(generally between hundreds of pF ~ several thousand pF) influence, therefore, it is also limited make to reduce the individual pulse discharge energy.But show according to up-to-date achievement in research, with the RC power supply during as micro-energy impulsing power source, its discharge process does not exist spark to keep voltage, can under ELV (be lower than spark and keep voltage), carry out spark discharge, process such as the 2V open-circuit voltage, its processing method is to strengthen discharge capacity (minimum 10 μ F), makes machined surface quality relatively poor, the fine machining method that this is of course not desirable.
Not adopting at present low-voltage discharge to obtain the reason that fine individual pulse energy processes is that discharging gap is very little because low-voltage adds man-hour, discharge scrap and bubble can not in time be discharged from discharging gap, cause being in short circuit and arcing discharge condition always, therefore can not process.
Summary of the invention
In order to solve the problems of the prior art, the invention provides the collaborative modulation of a kind of three-dimensional ultrasonic fine electric spark wire electric discharge machine.
The invention provides the collaborative modulation of a kind of three-dimensional ultrasonic fine electric spark wire electric discharge machine, comprise the wire unit, control module, ultrasonic power, modulation circuit, the pulse power and driving workpiece to be processed carry out the three-dimensional ultrasonic vibrating mechanism of three-dimensional vibrating, wherein, described control module respectively with the described pulse power, ultrasonic power connects, described modulation circuit is serially connected with the described pulse power, between the ultrasonic power, the described pulse power and described wire unit are connected and provide for the interpolar of described wire unit the pulse signal of line cutting processing, the described pulse power detect described wire unit interpolar discharge condition and feed back to described modulation circuit, the described pulse power is with its pulse width signal, signal feedback is given described modulation circuit between arteries and veins, described ultrasonic power is with its amplitude signal, frequency signal feeds back to described modulation circuit, described modulation circuit is in conjunction with the discharge condition of the interpolar of described wire unit, amplitude signal with described ultrasonic power, the pulse width signal of the frequency signal and the described pulse power, signal is united modulation between arteries and veins, amplitude signal after described modulation circuit will be modulated, frequency signal feeds back to described ultrasonic power, pulse width signal after described modulation circuit will be modulated, signal feedback is given the described pulse power between arteries and veins, described ultrasonic power is connected with described three-dimensional ultrasonic vibrating mechanism, the amplitude signal of described ultrasonic power after according to described modulating circuit modulates, frequency signal drives described three-dimensional ultrasonic vibrating mechanism vibration.
As a further improvement on the present invention, described three-dimensional ultrasonic vibrating mechanism comprises workbench, described workbench is provided with the X-axis ultrasonic transducer, Y-axis ultrasonic transducer and ultrasonic wave X-axis feed mechanism, described ultrasonic wave X-axis feed mechanism is provided with the X axis vibration platform, described X-axis ultrasonic transducer contacts with described X axis vibration platform, described X axis vibration platform is provided with ultrasonic wave Y-axis feed mechanism, described ultrasonic wave Y-axis feed mechanism is provided with the Y axis vibration platform, described Y-axis ultrasonic transducer contacts with described Y axis vibration platform, and described Y axis vibration platform is provided with the Z axle ultrasonic transducer that is connected with workpiece to be processed.
As a further improvement on the present invention, be provided with cushion block between described workbench and the described Y-axis ultrasonic transducer, described ultrasonic wave X-axis feed mechanism comprise the X-axis guide rail that is arranged on the described workbench and be arranged on the described X-axis guide rail and with the X-axis slide block of its formation moving sets, described X-axis slide block is connected with described X axis vibration platform, described ultrasonic wave Y-axis feed mechanism comprise the Y-axis guide rail that is arranged on the described X axis vibration platform and be arranged on the described Y-axis guide rail and with the Y-axis slide block of its formation moving sets, described Y-axis slide block is connected with described Y axis vibration platform.
As a further improvement on the present invention, the collaborative modulation of described three-dimensional ultrasonic fine electric spark wire electric discharge machine also comprises machine body, described machine body is provided with lathe XY axle feed arrangement, described lathe XY axle feed arrangement comprises lathe X-axis feed mechanism and lathe Y-axis feed mechanism, described lathe Y-axis feed mechanism is connected with the workbench of described three-dimensional ultrasonic vibrating mechanism, described lathe X-axis feed mechanism is identical with the direction of feed of described ultrasonic wave X-axis feed mechanism, and described lathe Y-axis feed mechanism is identical with the direction of feed of described ultrasonic wave Y-axis feed mechanism.
As a further improvement on the present invention, described control module is connected with described lathe XY axle feed arrangement by servo control unit, described servo control unit drives the feed arrangement feeding of described lathe XY axle and gives described control module with its feeding feedback of status, described control module is adjusted the vibrational state of described three-dimensional ultrasonic vibrating mechanism according to the feeding state of the described lathe XY axle feed arrangement that receives by described ultrasonic power, makes the direction of feed of described lathe XY axle feed arrangement identical with the direction of vibration of described three-dimensional ultrasonic vibrating mechanism.
As a further improvement on the present invention, described lathe XY axle feed arrangement is connected with described control module by the discharge examination unit, described discharge examination unit detect described wire unit interpolar average voltage and feed back to described control module.
As a further improvement on the present invention, described ultrasonic power feeds back to described modulation circuit with the ultrasonic wave alternating signal of its generation, and the ultrasonic wave alternating signal that described modulation circuit produces described ultrasonic power is converted to the switching signal of the described pulse power and controls the shutoff of the described pulse power.
As a further improvement on the present invention, be serially connected with the ultrasonic wave preamplifier between described ultrasonic power and the described modulation circuit, the ultrasonic wave alternating signal of described ultrasonic power feeds back to described modulation circuit by described ultrasonic wave preamplifier.
As a further improvement on the present invention, be serially connected with piezoelectric ceramic ring between described ultrasonic power and the described modulation circuit, the ultrasonic wave alternating signal of described ultrasonic power feeds back to described modulation circuit by described piezoelectric ceramic ring.
As a further improvement on the present invention, described wire unit comprises UV axle machining cell, described wire unit is connected with described control module, described wire unit feeds back the machining state of its UV axle machining cell to described control module, and described control module is controlled the direction of vibration of described three-dimensional ultrasonic vibrating mechanism by described ultrasonic power according to the machining state of the UV axle machining cell of described wire unit feedback.
The invention has the beneficial effects as follows: pass through such scheme, amplitude signal after described modulation circuit will be modulated, frequency signal feeds back to described ultrasonic power, pulse width signal after described modulation circuit will be modulated, signal feedback is given the described pulse power between arteries and veins, described ultrasonic power is connected with described three-dimensional ultrasonic vibrating mechanism, the amplitude signal of described ultrasonic power after according to described modulating circuit modulates, frequency signal drives described three-dimensional ultrasonic vibrating mechanism vibration, thereby drive workpiece and carry out three-dimensional vibrating, help on the basis of low voltage lines cutting processing, be under the very little situation of discharging gap, in time, from discharging gap, discharge discharge scrap and bubble efficiently, thereby guaranteed under the very little situation of discharging gap, the line cutting can be carried out smoothly, thereby has improved the machining accuracy of line cutting.
Description of drawings
Fig. 1 is the principle schematic of the collaborative modulation of a kind of three-dimensional ultrasonic of the present invention fine electric spark wire electric discharge machine;
Fig. 2 is the three-dimensional ultrasonic vibrating mechanism of the collaborative modulation of three-dimensional ultrasonic of the present invention fine electric spark wire electric discharge machine, the structural representation of lathe XY axle feed arrangement;
Fig. 3 is the structural representation at another visual angle of three-dimensional ultrasonic vibrating mechanism, the lathe XY axle feed arrangement of the collaborative modulation of three-dimensional ultrasonic of the present invention fine electric spark wire electric discharge machine;
Fig. 4 is the partial enlarged drawing A of Fig. 3;
Fig. 5 is the control signal figure that three-dimensional ultrasonic of the present invention is worked in coordination with the interpolar discharge of the wire unit of modulating the fine electric spark wire electric discharge machine.
The specific embodiment
The present invention is further described below in conjunction with description of drawings and the specific embodiment.
Drawing reference numeral among Fig. 1 to Fig. 5 is: machine body 1; Lathe XY axle feed arrangement 11; Lathe X-axis feed mechanism 111; Lathe Y-axis feed mechanism 112; Three-dimensional ultrasonic vibrating mechanism 2; X-axis ultrasonic transducer 21; Y-axis ultrasonic transducer 22; Z axle ultrasonic transducer 23; X axis vibration platform 24; Y axis vibration platform 25; Cushion block 26; X-axis guide rail 27; Y-axis slide block 28; Y-axis guide rail 29; X-axis slide block 210; Workbench 210; Wire unit 3; UV axle machining cell 31; Wire electrode 32; Control module 4; Discharge examination unit 5; Servo control unit 6; Ultrasonic power 7; Modulation circuit 8; The pulse power 9; Workpiece 10.
As shown in Figures 1 to 4, the collaborative modulation of a kind of three-dimensional ultrasonic fine electric spark wire electric discharge machine, comprise the wire unit 3 that is used for carrying out the line cutting to workpiece 10, be used for numerically controlled control module 4, ultrasonic power 7, modulation circuit 8, the pulse power 9 and driving workpiece 10 to be processed carry out the three-dimensional ultrasonic vibrating mechanism 2 of three-dimensional vibrating, wherein, the described pulse power 9 can be realized the discharge of low-voltage high-frequency impulse, and can realize the modulation discharge, described wire unit 3 comprises the wire electrode 32 that is used for the line cutting, described control module 4 respectively with the described pulse power 9, ultrasonic power 7 connects, described modulation circuit 8 is serially connected with the described pulse power 9, between the ultrasonic power 7, the described pulse power 9 and described wire unit 3 are connected and provide for the interpolar of described wire unit 3 pulse signal of line cutting processing, be the described pulse power 9 respectively with the anode of described wire unit 3, negative electrode connects, be specially, the described pulse power 9 one ends are connected with described wire unit 3, the other end is connected with described workpiece 10, the discharge condition of the interpolar of the described wire of the described pulse power 9 detections unit 3 also feeds back to described modulation circuit 8, the described pulse power 9 is with its pulse width signal, signal feedback is given described modulation circuit 8 between arteries and veins, described ultrasonic power 7 is with its amplitude signal, frequency signal feeds back to described modulation circuit 8, described modulation circuit 8 is in conjunction with the discharge condition of the interpolar of described wire unit 3, amplitude signal with described ultrasonic power 7, the pulse width signal of the frequency signal and the described pulse power 9, signal is united modulation between arteries and veins, amplitude signal after described modulation circuit 8 will be modulated, frequency signal feeds back to described ultrasonic power 7, pulse width signal after described modulation circuit 8 will be modulated, signal feedback is given the described pulse power 9 between arteries and veins, described ultrasonic power 7 is connected with described three-dimensional ultrasonic vibrating mechanism 2, amplitude signal after described ultrasonic power 7 is modulated according to described modulation circuit 8, frequency signal drives described three-dimensional ultrasonic vibrating mechanism 2 vibrations, by the amplitude and the frequency of the described three-dimensional ultrasonic vibrating mechanism 2 of described ultrasonic power 7 adjustings, and then driving workpiece 10 carries out three-dimensional vibrating.
Extremely shown in Figure 4 as Fig. 2, described three-dimensional ultrasonic vibrating mechanism 2 comprises workbench 211, described workbench 211 is provided with X-axis ultrasonic transducer 21, Y-axis ultrasonic transducer 22 and ultrasonic wave X-axis feed mechanism, described ultrasonic wave X-axis feed mechanism is provided with X axis vibration platform 24, described X-axis ultrasonic transducer contacts with described X axis vibration platform 24, described X axis vibration platform 24 is provided with ultrasonic wave Y-axis feed mechanism, described ultrasonic wave Y-axis feed mechanism is provided with Y axis vibration platform 25, described Y-axis ultrasonic transducer 22 contacts with described Y axis vibration platform 25, and described Y axis vibration platform 25 is provided with the Z axle ultrasonic transducer 23 that is connected with workpiece to be processed 10.
Extremely shown in Figure 4 as Fig. 2, be provided with cushion block 26 between described workbench 211 and the described Y-axis ultrasonic transducer 22, be used for the described Y-axis ultrasonic transducer 22 of bed hedgehopping, described ultrasonic wave X-axis feed mechanism comprise the X-axis guide rail that is arranged on the described workbench 211 27 and be arranged on the described X-axis guide rail 27 and with the X-axis slide block 28 of its formation moving sets, described X-axis slide block 28 is connected with described X axis vibration platform 24, described ultrasonic wave Y-axis feed mechanism comprise the Y-axis guide rail that is arranged on the described X axis vibration platform 24 29 and be arranged on the described Y-axis guide rail 29 and with the Y-axis slide block 210 of its formation moving sets, described Y-axis slide block 210 is connected with described Y axis vibration platform 25, can drive workpiece 10 by described three-dimensional ultrasonic vibrating mechanism 2 and produce X-axis, Y-axis and Z axle three-dimensional vibrating help in time, from discharging gap, discharge discharge scrap and bubble efficiently.
Extremely shown in Figure 4 as Fig. 2, the collaborative modulation of described three-dimensional ultrasonic fine electric spark wire electric discharge machine also comprises machine body 1, described machine body 1 is provided with lathe XY axle feed arrangement 11, described lathe XY axle feed arrangement 11 comprises lathe X-axis feed mechanism 111 and lathe Y-axis feed mechanism 112, described lathe Y-axis feed mechanism 112 is connected with the workbench 211 of described three-dimensional ultrasonic vibrating mechanism 2, be used to drive workpiece 10 and carry out the feeding of X-axis and Y direction, described lathe X-axis feed mechanism 111 is identical with the direction of feed of described ultrasonic wave X-axis feed mechanism, described lathe Y-axis feed mechanism 112 is identical with the direction of feed of described ultrasonic wave Y-axis feed mechanism, wherein, X-axis ultrasonic transducer 21 and Y-axis ultrasonic transducer 22 can independent stationary on workbench 211, under the effect of X-axis ultrasonic transducer 21, X axis vibration platform 24 can produce X axis vibration, under the effect of Y-axis ultrasonic transducer 22, Y axis vibration platform 25 can produce Y axis vibration, under the effect of Z axle ultrasonic transducer 23, workpiece 10 can produce Z axis vibration, if X-axis ultrasonic transducer 21, Y-axis ultrasonic transducer 22 and Z axle ultrasonic transducer 23 are worked simultaneously, then workpiece 10 can produce X-axis, the three-dimensional complex vibration of Y-axis and Z axle, in like manner, workpiece 10 both can carry out X-axis, Y-axis, arbitrary single vibration in the Z axle three-dimensional, also can carry out X-axis, Y-axis, the compound motion that combines arbitrarily in the Z axle three-dimensional, and, the vibration of X-axis ultrasonic transducer 21 is consistent with the direction of motion of lathe X-axis feed mechanism 111, the vibration of Y-axis ultrasonic transducer 22 is consistent with the direction of motion of lathe Y-axis feed mechanism 112, thereby can be according to different servo motions, adopt different mode of vibrations, can avoid wire electrode 31 because workpiece 10 vibrations now are thrust.
As shown in Figures 1 to 4, described control module 4 is connected with described lathe XY axle feed arrangement 11 by servo control unit 6, described servo control unit 6 drives described lathe XY axle feed arrangement 11 feedings and gives described control module 4 with its feeding feedback of status, described control module 4 is adjusted the vibrational state of described three-dimensional ultrasonic vibrating mechanism 2 by described ultrasonic power 7 according to the feeding state of the described lathe XY axle feed arrangement 11 that receives, make the direction of feed of described lathe XY axle feed arrangement 11 identical with the direction of vibration of described three-dimensional ultrasonic vibrating mechanism 2, wherein, when workpiece 10 when X-axis is moved, only drive 21 work of X-axis ultrasonic transducer, promptly 10 of workpiece carry out X axis vibration; When workpiece 10 when Y-axis is moved, only drive 22 work of Y-axis ultrasonic transducer, promptly 10 of workpiece carry out Y axis vibration; When UV axle machining cell 31 control electrode silks 31 produce the drift angle, only drive 23 work of Z axle ultrasonic transducer, promptly 10 of workpiece carry out Z axis vibration.
As shown in Figures 1 to 4, described lathe XY axle feed arrangement 11 is connected with described control module 4 by discharge examination unit 5, the average voltage of the interpolar of the described wire of 5 detections unit, described discharge examination unit 3 also feeds back to described control module 4, wherein, for guaranteeing crudy, can come the control electrode rollback by the states such as average voltage of 5 detection wire unit, discharge examination unit, 3 interpolars.
As shown in Figures 1 to 4, described ultrasonic power 7 feeds back to described modulation circuit 8 with the ultrasonic wave alternating signal of its generation, the ultrasonic wave alternating signal that described modulation circuit 8 produces described ultrasonic power 7 is converted to the switching signal of the described pulse power 9 and controls the shutoff of the described pulse power 9, wherein, the ultrasonic wave alternating signal that described modulation circuit 9 produces described ultrasonic power 7 is converted to the switching signal of the described pulse power 9, when vibration make workpiece 10 and fine wire electrode 31 near during, reach the discharging gap distance, satisfy discharging condition, apply discharge processing pulse voltage; When vibration make workpiece 10 and fine wire electrode 31 away from during, it is big that the pole clearance becomes, turn-off pulse voltage, the beginning deionization (certainly realizes automatically shutting down (relevant with supersonic frequency), be that distance between workpiece 10 and the wire electrode 31 does not satisfy discharging condition greater than discharging gap, can not rely on the pulsewidth size of the pulse power 9 like this, if supersonic frequency is enough high, can obtain very narrow pulsewidth, the discharge pulse power supply of Shi Yonging pulsewidth mode even the processing of use dc source greatly so in theory), make the pulse power 9 and workpiece 10 ultrasonic vibrations keep phase place synchronous in order, so just can realize the purpose of the ultrasonic signal modulation glass-coated microwire cutting processing pulse power.
As shown in Figure 5, control variables (frequency by modulation circuit 8 generations, amplitude, pulsewidth, between arteries and veins) pass to performance element and then to workpiece 10 processing, wherein, with X-axis ultrasonic transducer 21, Y-axis ultrasonic transducer 22, Z axle ultrasonic transducer 23 combines with workpiece 10, the pulse signal that is added in discharging gap adopts low-voltage (for example being lower than 20V) discharge, in the Wire-cut Electrical Discharge Machining process, constantly detect the discharge condition of wire unit 3 interpolars, and discharge condition in time fed back to control module 4, modulation circuit 8 is in time adjusted signal between the pulse width signal of the frequency signal of ultrasonic power 7 and the amplitude signal and the pulse power 9 and arteries and veins by the internal control algorithm, thereby make the actual spark discharging efficiency the highest, crudy and working (machining) efficiency can to a certain degree improved, can effectively improve crudy, solve this technical barrier of galvanic corrosion product discharge difficulty under the low-voltage discharge condition, produce minimum discharging gap.
As shown in Figures 1 to 4, be serially connected with the ultrasonic wave preamplifier between described ultrasonic power 7 and the described modulation circuit 8, the ultrasonic wave alternating signal of described ultrasonic power 7 feeds back to described modulation circuit 8 by described ultrasonic wave preamplifier.
As shown in Figures 1 to 4, be serially connected with piezoelectric ceramic ring between described ultrasonic power 7 and the described modulation circuit 8, the ultrasonic wave alternating signal of described ultrasonic power 7 feeds back to described modulation circuit 8 by described piezoelectric ceramic ring.
As shown in Figures 1 to 4, described wire unit 3 comprises UV axle machining cell 31, described wire unit 3 is connected with described control module 4, described wire unit 3 is to the machining state of described control module 4 its UV axle machining cells 31 of feedback, and described control module 4 is controlled the direction of vibration of described three-dimensional ultrasonic vibrating mechanism 2 by described ultrasonic power 7 according to the machining state of the UV axle machining cell 31 of described wire unit 3 feedbacks.
The collaborative modulation of a kind of three-dimensional ultrasonic provided by the invention fine electric spark wire electric discharge machine, amplitude signal after described modulation circuit 8 will be modulated, frequency signal feeds back to described ultrasonic power 7, pulse width signal after described modulation circuit 8 will be modulated, signal feedback is given the described pulse power 9 between arteries and veins, described ultrasonic power 7 is connected with described three-dimensional ultrasonic vibrating mechanism 2, amplitude signal after described ultrasonic power 7 is modulated according to described modulation circuit 8, frequency signal drives described three-dimensional ultrasonic vibrating mechanism 2 vibrations, thereby drive workpiece 10 and carry out one dimension, two dimension or three-dimensional vibrating (can be suitable for different dimension vibrations) according to line cutting, help on the basis of low-voltage (for example being lower than 20V) line cutting processing, be under the very little situation of discharging gap, in time, from discharging gap, discharge discharge scrap and bubble efficiently, thereby guaranteed under the very little situation of discharging gap, the line cutting can be carried out smoothly, thereby improved the machining accuracy of line cutting, and, can not cause the fracture of wire electrode 31, simple in structure, easy for installation, realized fine precision machined demand.
The collaborative modulation of a kind of three-dimensional ultrasonic provided by the invention fine electric spark wire electric discharge machine, realized that low-voltage, little energy process continuously, obtain less discharging gap, machining accuracy, crudy and stability have been improved, satisfy the requirement of miniaturization and precise treatment product, have important significance for theories and engineering using value.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a three-dimensional ultrasonic is worked in coordination with modulation fine electric spark wire electric discharge machine, it is characterized in that: comprise the wire unit, control module, ultrasonic power, modulation circuit, the pulse power and driving workpiece to be processed carry out the three-dimensional ultrasonic vibrating mechanism of three-dimensional vibrating, wherein, described control module respectively with the described pulse power, ultrasonic power connects, described modulation circuit is serially connected with the described pulse power, between the ultrasonic power, the described pulse power and described wire unit are connected and provide for the interpolar of described wire unit the pulse signal of line cutting processing, the described pulse power detect described wire unit interpolar discharge condition and feed back to described modulation circuit, the described pulse power is with its pulse width signal, signal feedback is given described modulation circuit between arteries and veins, described ultrasonic power is with its amplitude signal, frequency signal feeds back to described modulation circuit, described modulation circuit is in conjunction with the discharge condition of the interpolar of described wire unit, amplitude signal with described ultrasonic power, the pulse width signal of the frequency signal and the described pulse power, signal is united modulation between arteries and veins, amplitude signal after described modulation circuit will be modulated, frequency signal feeds back to described ultrasonic power, pulse width signal after described modulation circuit will be modulated, signal feedback is given the described pulse power between arteries and veins, described ultrasonic power is connected with described three-dimensional ultrasonic vibrating mechanism, the amplitude signal of described ultrasonic power after according to described modulating circuit modulates, frequency signal drives described three-dimensional ultrasonic vibrating mechanism vibration.
2. the collaborative modulation of three-dimensional ultrasonic according to claim 1 fine electric spark wire electric discharge machine, it is characterized in that: described three-dimensional ultrasonic vibrating mechanism comprises workbench, described workbench is provided with the X-axis ultrasonic transducer, Y-axis ultrasonic transducer and ultrasonic wave X-axis feed mechanism, described ultrasonic wave X-axis feed mechanism is provided with the X axis vibration platform, described X-axis ultrasonic transducer contacts with described X axis vibration platform, described X axis vibration platform is provided with ultrasonic wave Y-axis feed mechanism, described ultrasonic wave Y-axis feed mechanism is provided with the Y axis vibration platform, described Y-axis ultrasonic transducer contacts with described Y axis vibration platform, and described Y axis vibration platform is provided with the Z axle ultrasonic transducer that is connected with workpiece to be processed.
3. the collaborative modulation of three-dimensional ultrasonic according to claim 2 fine electric spark wire electric discharge machine, it is characterized in that: be provided with cushion block between described workbench and the described Y-axis ultrasonic transducer, described ultrasonic wave X-axis feed mechanism comprise the X-axis guide rail that is arranged on the described workbench and be arranged on the described X-axis guide rail and with the X-axis slide block of its formation moving sets, described X-axis slide block is connected with described X axis vibration platform, described ultrasonic wave Y-axis feed mechanism comprise the Y-axis guide rail that is arranged on the described X axis vibration platform and be arranged on the described Y-axis guide rail and with the Y-axis slide block of its formation moving sets, described Y-axis slide block is connected with described Y axis vibration platform.
4. the collaborative modulation of three-dimensional ultrasonic according to claim 2 fine electric spark wire electric discharge machine, it is characterized in that: the collaborative modulation of described three-dimensional ultrasonic fine electric spark wire electric discharge machine also comprises machine body, described machine body is provided with lathe XY axle feed arrangement, described lathe XY axle feed arrangement comprises lathe X-axis feed mechanism and lathe Y-axis feed mechanism, described lathe Y-axis feed mechanism is connected with the workbench of described three-dimensional ultrasonic vibrating mechanism, described lathe X-axis feed mechanism is identical with the direction of feed of described ultrasonic wave X-axis feed mechanism, and described lathe Y-axis feed mechanism is identical with the direction of feed of described ultrasonic wave Y-axis feed mechanism.
5. the collaborative modulation of three-dimensional ultrasonic according to claim 4 fine electric spark wire electric discharge machine, it is characterized in that: described control module is connected with described lathe XY axle feed arrangement by servo control unit, described servo control unit drives the feed arrangement feeding of described lathe XY axle and gives described control module with its feeding feedback of status, described control module is adjusted the vibrational state of described three-dimensional ultrasonic vibrating mechanism according to the feeding state of the described lathe XY axle feed arrangement that receives by described ultrasonic power, makes the direction of feed of described lathe XY axle feed arrangement identical with the direction of vibration of described three-dimensional ultrasonic vibrating mechanism.
6. the collaborative modulation of three-dimensional ultrasonic according to claim 4 fine electric spark wire electric discharge machine, it is characterized in that: described lathe XY axle feed arrangement is connected with described control module by the discharge examination unit, described discharge examination unit detect described wire unit interpolar average voltage and feed back to described control module.
7. the collaborative modulation of three-dimensional ultrasonic according to claim 1 fine electric spark wire electric discharge machine, it is characterized in that: described ultrasonic power feeds back to described modulation circuit with the ultrasonic wave alternating signal of its generation, and the ultrasonic wave alternating signal that described modulation circuit produces described ultrasonic power is converted to the switching signal of the described pulse power and controls the shutoff of the described pulse power.
8. the collaborative modulation of three-dimensional ultrasonic according to claim 7 fine electric spark wire electric discharge machine, it is characterized in that: be serially connected with the ultrasonic wave preamplifier between described ultrasonic power and the described modulation circuit, the ultrasonic wave alternating signal of described ultrasonic power feeds back to described modulation circuit by described ultrasonic wave preamplifier.
9. the collaborative modulation of three-dimensional ultrasonic according to claim 7 fine electric spark wire electric discharge machine, it is characterized in that: be serially connected with piezoelectric ceramic ring between described ultrasonic power and the described modulation circuit, the ultrasonic wave alternating signal of described ultrasonic power feeds back to described modulation circuit by described piezoelectric ceramic ring.
10. the collaborative modulation of three-dimensional ultrasonic according to claim 1 fine electric spark wire electric discharge machine, it is characterized in that: described wire unit comprises UV axle machining cell, described wire unit is connected with described control module, described wire unit feeds back the machining state of its UV axle machining cell to described control module, and described control module is controlled the direction of vibration of described three-dimensional ultrasonic vibrating mechanism by described ultrasonic power according to the machining state of the UV axle machining cell of described wire unit feedback.
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| JPS56126533A (en) * | 1980-03-07 | 1981-10-03 | Inoue Japax Res Inc | Wire cut spark machining device |
| US5159167A (en) * | 1985-03-29 | 1992-10-27 | Raycon Corporation | Structure for and method of electrical discharge machining |
| JP3020795B2 (en) * | 1994-02-18 | 2000-03-15 | 株式会社ソディック | Power supply circuit for wire electric discharge machining and circuit device for power supply |
| JP4056638B2 (en) * | 1998-09-08 | 2008-03-05 | 株式会社ソディック | Wire cut electric discharge machining method and wire cut electric discharge machining apparatus |
| CN1212225C (en) * | 2003-08-13 | 2005-07-27 | 沈阳工业学院 | Ultrasonic wire cutting saw for hard-fragile material processing |
| CN1824444A (en) * | 2006-01-20 | 2006-08-30 | 南京航空航天大学 | Ultrasonic electrolysis compounding micro processing method and device |
| CN101254559B (en) * | 2008-04-08 | 2010-06-09 | 哈尔滨工业大学 | Numerical control electrospark wire-electrode cutting processing gapping place crest voltage regulating device |
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