CN103042281B - Based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode - Google Patents
Based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode Download PDFInfo
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- CN103042281B CN103042281B CN201210590157.5A CN201210590157A CN103042281B CN 103042281 B CN103042281 B CN 103042281B CN 201210590157 A CN201210590157 A CN 201210590157A CN 103042281 B CN103042281 B CN 103042281B
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Abstract
The invention discloses a kind of ultrasonic edm Compound Machining oscillator based on Hybrid transducer mode, should comprise based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode the terminal pad that the outer cover being installed on lathe is connected to ultrasonic transducer; Described ultrasonic transducer comprises balancing weight A, reverses potsherd, balancing weight B, longitudinal vibration potsherd, terminal pad and taper balancing weight, described balancing weight A, reverse potsherd, together with balancing weight B, longitudinal vibration potsherd, terminal pad and taper balancing weight superpose successively and be bolted, the front end of described taper balancing weight connects workpiece.By the way, the present invention can improve working (machining) efficiency; The self-centering function of electrode High Rotation Speed, can improve the dimensional accuracy in hole simultaneously.
Description
Technical field
The present invention relates to ultrasonic edm Combined Machining Technology field, particularly relate to a kind of ultrasonic edm Compound Machining oscillator based on Hybrid transducer mode.
Background technology
In the processing of electric spark minute aperture, because minute aperture size is trickle and end face discharging gap is narrow and small, galvanic corrosion product easily accumulates in the bottom in hole, chip removal difficulty, just whole gap can be full of very soon, stable discharging gap scope is little and easily by the impact of other technological parameter, easily cause short circuit frequently and improper electric discharge; For reaching micron-sized accurate to dimension and surface accuracy, must reduce the discharge energy of each pulse, the ablation amount of its processing is very little, have impact on process velocity; The processing of electric spark minute aperture accelerates working solution circulation owing to cannot rush liquid to processing district, thus the discharge of impact processing electric discharge removal thing, this situation of increase along with working depth is more and more serious, and when causing spark machined minute aperture, pulse utilization rate is very low, and the aspect ratio that can process is little.
For improving EDM Performance, in minute aperture processing, ultrasonic edm Compound Machining is adopted to be very effective means.Attached supersonic vibration on motor or workpiece, just can make electrode end surface frequently enter suitable discharging gap, improves the probability that electric spark punctures; Simultaneously due to ultrasonic cavitation and pump-absorb action, the clearance of machined material can be increased.Accelerate working cycles, improve gap discharge condition, thus improve the aspect ratio in processed hole, processing stability, productivity ratio, the utilization rate of power pulse and machining accuracy.
The common method of ultrasonic edm Compound Machining adds the ultrasonic vibration of certain frequency, the swabbing action of tool-electrode is utilized to improve spark machined condition, but due to electrode very fine time its rigidity less, also can oscillation crosswise when doing upper and lower ultrasonic vibration, be difficult to the radial machining accuracy ensureing minute aperture.In addition, when tool-electrode adds the transducer producing ultrasonic vibration, need to carry out larger change to electrode structure and control system thereof, thus make structure become more complicated.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of ultrasonic edm Compound Machining oscillator based on Hybrid transducer mode, can improve working (machining) efficiency; The self-centering function of electrode High Rotation Speed, can improve the dimensional accuracy in hole simultaneously.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of ultrasonic edm Compound Machining oscillator based on Hybrid transducer mode, should comprise the terminal pad that the outer cover being installed on lathe is connected to ultrasonic transducer based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode; Described ultrasonic transducer comprises balancing weight A, reverses potsherd, balancing weight B, longitudinal vibration potsherd, terminal pad and taper balancing weight, described balancing weight A, reverse potsherd, together with balancing weight B, longitudinal vibration potsherd, terminal pad and taper balancing weight superpose successively and be bolted, the front end of described taper balancing weight connects workpiece.
The invention has the beneficial effects as follows: a kind of ultrasonic edm Compound Machining oscillator based on Hybrid transducer mode of the present invention, the adsorption layer that can destroy medium can be rotated by tool-electrode in spark machined, increase the mobility of working solution, the discharge of ablation product and the heat radiation of processing district in man-hour can be accelerated, the generation of short circuit in gap, arcing and secondary discharge can be reduced simultaneously, guarantee the good spark state of interpolar, improve working (machining) efficiency; The self-centering function of electrode High Rotation Speed, can improve the dimensional accuracy in hole simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ultrasonic edm Compound Machining oscillator that the present invention is based on Hybrid transducer mode.
Detailed description of the invention
Below in conjunction with accompanying drawing, present pre-ferred embodiments is described in detail, to make the advantage of invention and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
Based on a ultrasonic edm Compound Machining oscillator for Hybrid transducer mode, should comprise based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode the terminal pad 15 that the outer cover 2 being installed on lathe is connected to ultrasonic transducer 1; Described ultrasonic transducer comprises balancing weight A11, reverses potsherd 12, balancing weight B13, longitudinal vibration potsherd 14, terminal pad 15 and taper balancing weight 16, described balancing weight A11, torsion potsherd 12, balancing weight B13, longitudinal vibration potsherd 14, terminal pad 15 and taper balancing weight 16 are superposed successively and are linked together by bolt 17, and the front end of described taper balancing weight 16 connects workpiece 3.
Operation principle based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode is: mainly utilize piezoelectric ceramics
with
effect inspires longitudinal vibration and the torsion modes of stator respectively, requires that longitudinal vibration is consistent with the frequency of torsion modes, makes two groups of potsherds be placed in the pitch plane place of the vibration shape inspired separately as far as possible simultaneously; Ultrasonic transducer produces longitudinal vibration and twisting vibration under high frequency voltage excitation.Terminal pad on ultrasonic transducer is positioned at longitudinal vibration pitch plane place, and be rigidly connected with outer cover, outer cover is arranged on platen.Workpiece and ultrasonic transducer are rigidly connected, and surface of the work has the mechanical vibration performance same with ultrasonic transducer, and under high frequency voltage excitation, workpiece produces exciting.
The present invention is based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode, the adsorption layer that can destroy medium can be rotated by tool-electrode in spark machined, increase the mobility of working solution, the discharge of ablation product and the heat radiation of processing district in man-hour can be accelerated, the generation of short circuit in gap, arcing and secondary discharge can be reduced simultaneously, guarantee the good spark state of interpolar, improve working (machining) efficiency; The self-centering function of electrode High Rotation Speed, can improve the dimensional accuracy in hole simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. the ultrasonic edm Compound Machining oscillator based on Hybrid transducer mode, it is characterized in that: should comprise based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode: the outer cover being installed on lathe is connected to the terminal pad of ultrasonic transducer, described terminal pad and outer cover are rigidly connected, and described outer cover is arranged on platen; Described ultrasonic transducer comprises balancing weight A, reverses potsherd, balancing weight B, longitudinal vibration potsherd, terminal pad and taper balancing weight, described balancing weight A, reverse potsherd, together with balancing weight B, longitudinal vibration potsherd, terminal pad and taper balancing weight superpose successively and be bolted, the front end of described taper balancing weight connects workpiece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210590157.5A CN103042281B (en) | 2012-12-29 | 2012-12-29 | Based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210590157.5A CN103042281B (en) | 2012-12-29 | 2012-12-29 | Based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode |
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| CN103042281A CN103042281A (en) | 2013-04-17 |
| CN103042281B true CN103042281B (en) | 2016-01-27 |
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| CN201210590157.5A Active CN103042281B (en) | 2012-12-29 | 2012-12-29 | Based on the ultrasonic edm Compound Machining oscillator of Hybrid transducer mode |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028867A (en) * | 2014-05-06 | 2014-09-10 | 苏州市职业大学 | Piezoelectric vibrator of ultrasonic electric spark machining device |
| CN104014836B (en) * | 2014-05-30 | 2016-04-20 | 东北大学 | A kind of longitudinal-torsional composite ultrasonic vibration cutting device |
| CN106312213B (en) * | 2016-11-08 | 2018-06-08 | 中北大学 | Electrical discharge machining ultrasonic wave added device |
| CN108788342A (en) * | 2018-08-01 | 2018-11-13 | 四川大学 | A kind of wire electrode collet for ultrasonic edm processing |
| CN113458512B (en) * | 2021-06-25 | 2022-08-02 | 大连大学 | Multidirectional adjustable composite ultrasonic auxiliary electric spark main shaft |
Citations (6)
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| DE2355675A1 (en) * | 1972-11-10 | 1974-05-22 | Rolls Royce 1971 Ltd | METHOD AND DEVICE FOR MACHINING WORKPIECES |
| US4947076A (en) * | 1983-09-16 | 1990-08-07 | Hitachi Maxell, Ltd. | Piezo electric motor |
| CN2454985Y (en) * | 2000-12-08 | 2001-10-17 | 南京航空航天大学 | Clamp composite supersonic motor |
| CN201179091Y (en) * | 2007-12-28 | 2009-01-14 | 北京奥麦特科技有限公司 | Energy converter applied in ultrasonic crush stone instrument in vivo |
| CN101719735A (en) * | 2010-01-12 | 2010-06-02 | 南京航空航天大学 | Large-moment double-rotor stress type longitudinal-torsional composite ultrasonic motor and electric excitation method thereof |
| CN203426556U (en) * | 2012-12-29 | 2014-02-12 | 苏州市职业大学 | Ultrasonic electric spark compound machining vibrator based on longitudinal torsional composite mode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2874762B2 (en) * | 1989-06-05 | 1999-03-24 | キヤノン株式会社 | Motor drive |
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2012
- 2012-12-29 CN CN201210590157.5A patent/CN103042281B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2355675A1 (en) * | 1972-11-10 | 1974-05-22 | Rolls Royce 1971 Ltd | METHOD AND DEVICE FOR MACHINING WORKPIECES |
| US4947076A (en) * | 1983-09-16 | 1990-08-07 | Hitachi Maxell, Ltd. | Piezo electric motor |
| CN2454985Y (en) * | 2000-12-08 | 2001-10-17 | 南京航空航天大学 | Clamp composite supersonic motor |
| CN201179091Y (en) * | 2007-12-28 | 2009-01-14 | 北京奥麦特科技有限公司 | Energy converter applied in ultrasonic crush stone instrument in vivo |
| CN101719735A (en) * | 2010-01-12 | 2010-06-02 | 南京航空航天大学 | Large-moment double-rotor stress type longitudinal-torsional composite ultrasonic motor and electric excitation method thereof |
| CN203426556U (en) * | 2012-12-29 | 2014-02-12 | 苏州市职业大学 | Ultrasonic electric spark compound machining vibrator based on longitudinal torsional composite mode |
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| CN103042281A (en) | 2013-04-17 |
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