CN106230307B - Unsymmetric structure formula indulges the ultrasonic drawing oscillator of curved complex vibration - Google Patents
Unsymmetric structure formula indulges the ultrasonic drawing oscillator of curved complex vibration Download PDFInfo
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- CN106230307B CN106230307B CN201610423050.XA CN201610423050A CN106230307B CN 106230307 B CN106230307 B CN 106230307B CN 201610423050 A CN201610423050 A CN 201610423050A CN 106230307 B CN106230307 B CN 106230307B
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- 239000000919 ceramic Substances 0.000 claims abstract description 47
- 238000005491 wire drawing Methods 0.000 claims abstract description 28
- 210000004907 gland Anatomy 0.000 claims abstract description 5
- 230000010287 polarization Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000007850 degeneration Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000012938 design process Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 8
- 230000004913 activation Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/001—Driving devices, e.g. vibrators
- H02N2/003—Driving devices, e.g. vibrators using longitudinal or radial modes combined with bending modes
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention proposes the ultrasonic drawing oscillators that a kind of unsymmetric structure formula indulges curved complex vibration, belong to Wire Drawing with Ultrasonic Vibration oscillator technical field, solves and existing indulge that curved complex vibration ultrasonic oscillator energisation mode is complicated, it is complicated the problems such as indulging curved frequencies into degeneration to exist in design process.The ultrasonic drawing oscillator includes rear end box nut, piezoelectric ceramic piece, complex horn, front end gland；Rear end box nut is connected with complex horn；Complex horn includes rear end small bore cylinder, tapered rod, cylindrical bar, harness cord hole and wire drawing die mounting hole；Piezoelectric ceramic piece covers on the small bore cylinder of rear end；Successively drop-over is connected for rear end small bore cylinder, tapered rod and cylindrical bar；Cylindrical bar is equipped with fine crack, straight trough；The features such as ultrasonic drawing oscillator that unsymmetric structure formula proposed by the present invention indulges curved complex vibration has energisation mode simple, and structure flexible design is easy to radiate, and mechanical-electric coupling is high-efficient.
Description
Technical field
The present invention relates to the ultrasonic drawing oscillators that unsymmetric structure formula indulges curved complex vibration, belong to Wire Drawing with Ultrasonic Vibration vibration
Sub- technical field.
Background technique
Piezoelectric ultrasonic vibration wire drawing is exactly that the processing technology of ultrasonic activation energy is superimposed in conventional drawing process, passes through pressure
The alternate electrical signal generated by ultrasonic drive is converted into ultrasonic activation energy by electric piece, using the amplification of amplitude transformer
Match, ultrasonic activation can be transmitted on wire drawing die, to motivate the vibration of wire drawing die, then machined material is in this way
Swing die carries out drawing processing, and then obtaining ultrasonic activation can be to the effect of metal material Plastic Forming.
Wire Drawing with Ultrasonic Vibration in the prior art is mostly extensional vibration, and vibration mode is single.Research shows that composite ultraphonic shakes
It is dynamic to be more advantageous to reduction pulling capacity, improve silk material surface quality.Curved composite ultraphonic oscillator is indulged at present to be generally basede on to piezoelectric ceramics
The asymmetric excitation of piece generates, i.e. partition excitation.Though the longitudinal bend composite vibrator of ultrasonic vibrator, excitation side can functionally be realized
Formula is complicated, there are problems that longitudinal bending mode frequencies into degeneration in design process.And the ultrasonic wave for indulging curved complex vibration is realized from structure
Oscillator research also deficiency.
Summary of the invention
Curved composite ultraphonic wave oscillator is indulged for current ultrasonic drawing oscillator vacancy in this respect and asymmetric Exciting-simulator system
Deficiency.This paper presents a kind of the ultrasonic drawing oscillator for indulging curved complex vibration based on unsymmetric structure, the skill taken
Art scheme is as follows:
The ultrasonic drawing oscillator includes rear end box nut 1, piezoelectric ceramic piece 2, complex horn 3, front end gland 4；
The rear end face of the rear end box nut 1 is ultrasonic vibrator mounting surface 11；The rear end box nut 1 is connected with complex horn 3；Institute
Front end gland 4 is stated to be connected with 3 front end of complex horn；The complex horn 3 includes rear end small bore cylinder 31, tapered rod
32, cylindrical bar 33, harness cord hole 34 and wire drawing die mounting hole 35；2 sets of the piezoelectric ceramic piece on rear end small bore cylinder 31；Institute
Stating rear end small bore cylinder 31, tapered rod 32 and cylindrical bar 33, successively drop-over is connected, and be processed as one bar；On the cylindrical bar 33
Equipped with fine crack 331, straight trough 332.The harness cord hole 34 runs through along the axis direction level of complex horn 3.The wire drawing die peace
Dress hole 35 is located at 33 front end of cylindrical bar, and 35 axis of wire drawing die mounting hole is overlapped with 34 axis of harness cord hole.
Preferably, electrode slice is inserted between the piezoelectric ceramic piece 2；Between the piezoelectric ceramic piece 2 and rear end box nut 2
It is inserted with electrode slice；Electrode slice is inserted between the piezoelectric ceramic piece 2 and the rear end face of tapered rod 32.
Preferably, 2 through-thickness of the piezoelectric ceramic piece polarization, works under D33 mode；The piezoelectric ceramic piece 2
In per adjacent two panels piezoelectric ceramic piece 2 polarization polarity it is opposite.
Preferably, the quantity of the piezoelectric ceramic piece 2 is four.
Preferably, the complex horn 3 is integrated bar；Harness cord hole 34, harness cord hole 34 are provided in the complex horn 3
Axis is overlapped with 3 axis of complex horn.
Preferably, the rear end small bore cylinder 31 is equipped with thread segment；The thickness of the screw thread segment length and rear end box nut 1
Degree corresponds to.
Preferably, the cylindrical surface of the cylindrical bar 33 is equipped with fine crack 331, the axial direction of the fine crack 331 and cylindrical bar 33
Direction is vertical.
Preferably, the cylindrical surface of the cylindrical bar 33 is equipped with straight trough 332, and the straight trough 332 is located at cylinder with fine crack 331
The same side of bar 33, and it is symmetrical along 33 surface mirror image of cylindrical bar by symmetry axis of 33 cross-sectional diameter of cylindrical bar.
Preferably, the complex horn 3 is equipped with wire drawing die mounting hole 35；The wire drawing die mounting hole 35 is located at harness cord
34 front end of hole, and it is coaxial with harness cord hole 33.
Unsymmetric structure formula of the invention indulges the piezoelectric ceramic piece 2 in the ultrasonic drawing oscillator of curved complex vibration using width
It is worth the ac voltage signal that equal, frequency is oscillator own resonance frequency to motivate, passes through the polarized piezoelectric ceramics 2 of thickness direction
Inverse piezoelectric effect generates longitudinal mechanical oscillation of high frequency, propagates by the amplification of complex horn 3.It is provided in complex horn 3
The side of 331 straight trough 332 of fine crack, extensional vibration are hindered, and pitch amplitude is small, and in other side unhindered propagation, Zong Xiangzhen
Width is big, to cause two sides extensional vibration difference obvious, bends vibration to induce 3 front end cylindrical bar 33 of complex horn
It is dynamic.Be achieved in ultrasonic oscillator indulges curved complex vibration.
The invention has the benefit that
Utilization of the invention opens up the form of straight trough, fine crack in cylindrical bar side, reduces the bending stiffness of cylindrical bar unilateral side,
Ultrasonic wave is hindered to indulge curved complex vibration in the transmitting realization ultrasonic oscillator of the side.Realize super wave oscillator under single-phase excitation
It indulges curved compound, avoids tradition and indulge the trouble of curved composite ultraphonic oscillation degeneracy., structure simple with energisation mode be simple,
Flexible design, can producing in serial form the advantages of.
Detailed description of the invention
Fig. 1 is the cross-sectional view for the ultrasonic drawing oscillator that unsymmetric structure formula of the present invention indulges curved complex vibration；
Fig. 2 is the geometric representation for the ultrasonic drawing oscillator that unsymmetric structure formula of the present invention indulges curved complex vibration
And piezoelectric ceramic piece polarization mode schematic diagram；
Fig. 3 is that the ultrasonic drawing oscillator that unsymmetric structure formula of the present invention indulges curved complex vibration indulges curved compound vibration
Dynamic Mode Shape schematic diagram.
Fig. 4 is that the cross-sectional view for the ultrasonic drawing oscillator that unsymmetric structure formula of the present invention indulges curved complex vibration is (thin
Seam 331 is located at 332 middle part of straight trough)；
(1, rear end box nut；11, mounting surface；2, piezoelectric ceramic piece；3, complex horn；31, rear end small bore cylinder；
32, tapered rod；33, cylindrical bar；331, fine crack；332, straight trough；34, harness cord hole；35 wire drawing die mounting holes)
Specific embodiment
The present invention will be further described combined with specific embodiments below, but the present invention should not be limited by the examples.
This indulge curved composite ultraphonic wave wire drawing oscillator include rear end box nut 1, multiple piezoelectric ceramic pieces 2, complex horn 3,
Drive end bearing bracket；The rear end face of rear end box nut 1 is the mounting surface 11 of ultrasonic drawing oscillator；In present embodiment, mounting surface
11, rear end box nut 1, multiple piezoelectric ceramic pieces 2 constitute ultrasonic transducer, ultrasonic transducer by rear end box nut 1 with it is compound
Amplitude transformer 3 is connected, and constitutes quarter-wave ultrasonic vibrator.Wherein, mounting surface 11 is used to oscillator being fixed on operating position,
Rear end box nut 1 pre-tightens piezoelectric ceramics, and piezoelectric ceramic piece is made, always in compressive state, to prevent from pressing in vibration processes
The rupture of electroceramics piece.Complex horn 3 includes rear end small bore cylinder 31, tapered rod 32, cylindrical bar 33；Complex horn 3
It is integrated bar；Meanwhile harness cord hole 34 is provided in complex horn 3,34 axis of harness cord hole is overlapped with 3 axis of complex horn.It is more
2 sets of a piezoelectric ceramic piece on rear end small bore cylinder 31；33 drop-over phase of rear end small bore cylinder 31, tapered rod 32 and cylindrical bar
Even；Cylindrical bar 33 is equipped with fine crack 331, straight trough 332；Fine crack 331 is set to 33 side of cylindrical bar.It is set on the cylindrical surface of cylindrical bar 33
There is straight trough 332, the straight trough 332 is located at the same side of cylindrical bar 33 with fine crack 331, and is pair with 33 cross-sectional diameter of cylindrical bar
Claim axis symmetrical along 33 surface mirror image of cylindrical bar.Complex horn 3 is equipped with wire drawing die mounting hole 35；Wire drawing die mounting hole 35
Positioned at 34 front end of harness cord hole, and it is coaxial with harness cord hole 34.Fine crack 331 for reducing ultrasonic wave complex horn bending stiffness,
Enhance the bending vibration of ultrasonic wave composite oscillator；Straight trough 332 is for hindering longitudinal ultrasonic wave in the propagation of the side.34 edge of harness cord hole
The axis direction level of complex horn 3 runs through.Wire drawing die mounting hole 35 is located at 33 front end of cylindrical bar, 35 axis of wire drawing die mounting hole
Line is overlapped with 34 axis of harness cord hole.Electrode slice is inserted between piezoelectric ceramic piece 2；Piezoelectric ceramic piece 2 interleaves with rear end box nut 1
There is electrode slice；Electrode slice is inserted between piezoelectric ceramic piece 2 and the rear end face of tapered rod 32.Every piezoelectric ceramic piece 2 is along thickness side
To polarization；And the polarization polarity per adjacent two panels piezoelectric ceramic piece 2 is opposite.Wherein, the shape, size of piezoelectric ceramic piece 2,
Material and quantity can be adjusted according to actual needs.
Meanwhile it caning be processed and being integrated including the complex horn 3 of rear end small bore cylinder 31, tapered rod 32, cylindrical bar 33
The size of bar, overall dimensions and each sub-unit can be adjusted according to the actual situation.And the small bore cylinder 31 in rear end
Be equipped with thread segment, screw thread segment length with thickness it is corresponding, so that rear end small bore cylinder 31 is connected with rear end box nut 1.
Embodiment 1:
Fig. 1 is the cross-sectional view for the ultrasonic drawing oscillator that unsymmetric structure formula of the present invention indulges curved complex vibration；Fig. 2
It is the geometric representation and piezoelectric ceramics of the ultrasonic drawing oscillator that unsymmetric structure formula of the present invention indulges curved complex vibration
Piece polarization mode schematic diagram；Fig. 3 is the ultrasonic drawing oscillator that unsymmetric structure formula of the present invention indulges curved complex vibration
Indulge curved complex vibration mode.In conjunction with Fig. 1 to Fig. 3, the present invention is described in detail, this indulges curved composite ultraphonic wave wire drawing oscillator packet
Include rear end box nut 1, four piezoelectric ceramic piece 2, complex horn 3, front end gland 4；The rear end face of rear end box nut 1 is ultrasound
Wire drawing die mounting surface 11；In the present embodiment, 1, four mounting surface 11, rear end box nut piezoelectric ceramic piece 2 constitute ultrasonic transducer,
Ultrasonic transducer is connected by rear end box nut 1 with complex horn 3, and quarter-wave ultrasonic vibrator is constituted.Wherein, pacify
Oscillator is fixed on operating position by dress face 11.Complex horn 3 include rear end small bore cylinder 31, tapered rod 32, cylindrical bar 33,
Harness cord hole 34 and wire drawing die mounting hole 35；Four piezoelectric ceramic pieces 2 successively cover on rear end small bore cylinder 31 side by side；Rear end
Successively drop-over is connected for small bore cylinder 31, tapered rod 32 and cylindrical bar 33, and cylindrical bar 33 is equipped with fine crack 331, straight trough 332.It is logical
Wire hole 34 runs through along the axis direction level of complex horn 3.Cylindrical bar 33 is equipped with fine crack 331, and fine crack 331 is set to cylindrical bar
33 surfaces, fine crack 331 are vertical with the axial direction of cylindrical bar 33；Straight trough 332 there are three being set on the cylindrical surface of cylindrical bar 33, three
Straight trough 332 and fine crack 331 are located at the same side of cylindrical bar 33, and are symmetry axis along cylindrical bar 33 using 33 cross-sectional diameter of cylindrical bar
Surface mirror image is symmetrical.Wherein, straight trough 332 is located at the front end of fine crack 331, and fine crack 331 is along 33 surface curve direction of cylindrical bar
The length of extension is greater than three straight troughs 332 along the total length of 33 surface curve directional spreding of cylindrical bar.Complex horn 3 is equipped with
Wire drawing die mounting hole 35；Wire drawing die mounting hole 35 is located at 34 front end of harness cord hole, and coaxial with harness cord hole 34.Wire drawing die mounting hole 35
Positioned at 33 front end of cylindrical bar, 35 axis of wire drawing die mounting hole is overlapped with 34 axis of harness cord hole.Electrode is inserted between piezoelectric ceramic piece 2
Piece；Electrode slice is inserted between piezoelectric ceramic piece 2 and rear end box nut 1；Piezoelectric ceramic piece 2 interleaves with the rear end face of tapered rod 32
There is electrode slice.Every 2 through-thickness of piezoelectric ceramic piece polarization；And the polarity of four 3 front end faces of piezoelectric ceramic piece is from rear end
It is followed successively by front end positive and negative, positive and negative.Wherein, four piezoelectric ceramic pieces 2 are wafer architecture.
Meanwhile the complex horn 3 including rear end small bore cylinder 31, tapered rod 32, cylindrical bar 33 is integrated bar.And
On rear end small bore cylinder 31 be equipped with thread segment, screw thread segment length with thickness it is corresponding, so as to rear end small bore cylinder 31 with after
End cover nut 1 is connected.
Embodiment 2
The implementation case and case study on implementation 1 the difference is that, fine crack 331 is set in straight trough 332, and across straight trough 332,
Specific structure is as shown in Figure 4.Remaining structure is same as Example 1.
Although the present invention has been disclosed in the preferred embodiment as above, it is not intended to limit the invention, any to be familiar with this
The people of technology can do various changes and modification, therefore protection of the invention without departing from the spirit and scope of the present invention
Range should subject to the definition of the claims.
Claims (9)
1. the ultrasonic drawing oscillator that unsymmetric structure formula indulges curved complex vibration, which is characterized in that the ultrasonic drawing oscillator
Including rear end box nut (1), piezoelectric ceramic piece (2), complex horn (3), front end gland (4)；After the rear end box nut (1)
End face is ultrasonic vibrator mounting surface (11)；The rear end box nut (1) is connected with complex horn (3) rear end；The preceding side pressure
Lid (4) is connected with complex horn (3) front end；The complex horn (3) includes rear end small bore cylinder (31), tapered rod
(32), cylindrical bar (33), harness cord hole (34), wire drawing die mounting hole (35)；The piezoelectric ceramic piece (2) covers in rear end small bore circle
On column (31)；Successively drop-over is connected for the rear end small bore cylinder (31), tapered rod (32) and cylindrical bar (33)；The cylindrical bar
(33) the half side wall on is equipped with fine crack (331) and straight trough (332)；Complex horn (3) is provided with fine crack (331) and straight trough
(332) side, extensional vibration are hindered, and pitch amplitude is small, and in other side unhindered propagation, pitch amplitude is big, thus
It causes two sides extensional vibration difference obvious, bends vibration to induce complex horn (3) front end cylindrical bar (33)；Installation
Face (11), rear end box nut (1), multiple piezoelectric ceramic pieces (2) constitute ultrasonic transducer, and ultrasonic transducer passes through rear end box nut
(1) it is connected with complex horn (3), constitutes quarter-wave ultrasonic vibrator.
2. ultrasonic drawing oscillator according to claim 1, which is characterized in that be inserted with electricity between the piezoelectric ceramic piece (2)
Pole piece；Electrode slice is inserted between the piezoelectric ceramic piece (2) and rear end box nut (1)；The piezoelectric ceramic piece (2) and tapered rod
(32) electrode slice is inserted between rear end face.
3. ultrasonic drawing oscillator according to claim 1, which is characterized in that piezoelectric ceramic piece (2) through-thickness
Polarization；Polarization polarity in the piezoelectric ceramic piece (2) per adjacent two panels piezoelectric ceramic piece (2) is opposite.
4. ultrasonic drawing oscillator according to claim 3, which is characterized in that the quantity of the piezoelectric ceramic piece (2) is four
Piece.
5. ultrasonic drawing oscillator according to claim 1, which is characterized in that the complex horn (3) is integrated bar；Institute
It states and is provided with harness cord hole (34) in complex horn (3), harness cord hole (34) axis is overlapped with complex horn (3) axis.
6. ultrasonic drawing oscillator according to claim 1, which is characterized in that the rear end small bore cylinder (31) is equipped with
Thread segment；The screw thread segment length is corresponding with the thickness of rear end box nut (1).
7. ultrasonic drawing oscillator according to claim 1, which is characterized in that the cylindrical surface of the cylindrical bar (33) is equipped with
Fine crack (331).
8. ultrasonic drawing oscillator according to claim 1, which is characterized in that the cylindrical surface of the cylindrical bar (33) is equipped with
Straight trough (332), the straight trough (332) are located at the same side of cylindrical bar (33) with fine crack (331), and with cylindrical bar (33) cross section
Diameter is that symmetry axis is symmetrical along cylindrical bar (33) surface mirror image.
9. ultrasonic drawing oscillator according to claim 1, which is characterized in that the complex horn (3) is equipped with wire drawing
Mould mounting hole (35)；The wire drawing die mounting hole (35) is located at harness cord hole (34) front end, and coaxial with harness cord hole (34).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610423050.XA CN106230307B (en) | 2016-06-14 | 2016-06-14 | Unsymmetric structure formula indulges the ultrasonic drawing oscillator of curved complex vibration |
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| CN201610423050.XA CN106230307B (en) | 2016-06-14 | 2016-06-14 | Unsymmetric structure formula indulges the ultrasonic drawing oscillator of curved complex vibration |
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| CN106230307B true CN106230307B (en) | 2019-03-15 |
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| CN110282070B (en) * | 2019-06-28 | 2021-11-16 | 哈尔滨工业大学 | Integrated piezoelectric vibration resistance reducer capable of being embedded into wall surface |
| CN110280537A (en) * | 2019-07-05 | 2019-09-27 | 河南理工大学 | Multifunctional handheld ultrasonic vibration photoresist removing method and device |
| CN111510017A (en) * | 2020-04-23 | 2020-08-07 | 中国矿业大学 | Modal conversion type ultrasonic motor for coal mine underground roadway tunneling robot |
| CN113976416A (en) * | 2021-12-27 | 2022-01-28 | 中机智能装备创新研究院(宁波)有限公司 | Ultrasonic vibrator for metal drawing and drawing mechanism |
| CN114453228A (en) * | 2021-12-30 | 2022-05-10 | 广东工业大学 | Ultrasonic transmission component |
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|---|---|---|---|---|
| CN1518204A (en) * | 2003-01-17 | 2004-08-04 | 清华大学 | Vibration conversion type ultrasonic motor based on half wave combined bar piezoclectric vibrator |
| CN102355157A (en) * | 2011-10-10 | 2012-02-15 | 哈尔滨工业大学 | Piezoelectric plate-sandwiched rotary linear ultrasonic motor stator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2870022B2 (en) * | 1989-07-06 | 1999-03-10 | 日本電気株式会社 | Ultrasonic motor |
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|---|---|---|---|---|
| CN1518204A (en) * | 2003-01-17 | 2004-08-04 | 清华大学 | Vibration conversion type ultrasonic motor based on half wave combined bar piezoclectric vibrator |
| CN102355157A (en) * | 2011-10-10 | 2012-02-15 | 哈尔滨工业大学 | Piezoelectric plate-sandwiched rotary linear ultrasonic motor stator |
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