CN106452162A - Patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator - Google Patents
Patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator Download PDFInfo
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- CN106452162A CN106452162A CN201611049158.3A CN201611049158A CN106452162A CN 106452162 A CN106452162 A CN 106452162A CN 201611049158 A CN201611049158 A CN 201611049158A CN 106452162 A CN106452162 A CN 106452162A
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- 238000005491 wire drawing Methods 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000000919 ceramic Substances 0.000 claims abstract description 81
- 230000007850 degeneration Effects 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 33
- 230000010363 phase shift Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000004913 activation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
- H02N2/0075—Electrical details, e.g. drive or control circuits or methods
-
- 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
- H02N2/005—Mechanical details, e.g. housings
Abstract
The invention discloses a patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator. The ultrasonic wire-drawing oscillator comprises a metal substrate beam and six piezoelectric ceramic pieces, wherein the metal substrate beam comprises a wire-drawing die core, a frequency degeneration groove and a fixed end; two ends of the metal substrate beam are clamped; the cross section of the metal substrate beam is rectangular; the six piezoelectric ceramic pieces are polarized along a length direction and operates in a D33 mode; the six piezoelectric ceramic pieces are respectively adhered to two upper and lower surfaces and four front and back sides of the metal substrate beam. The patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator is simple in structure, belongs to the technical field of ultrasonic vibration wire-drawing oscillators and solves the problems that the existing sandwich type composite vibration ultrasonic wire-drawing oscillator is complex to process and assemble, and the ultrasonic energy transfer efficiency between the wire-drawing die and the ultrasonic oscillator is low.
Description
Technical field
The present invention relates to ultrasonic activation wire drawing oscillator technical field, orthogonal multiple particularly to the SMD clamped beam type of one kind
Close ultrasonic drawing oscillator.
Background technology
Piezoelectric ultrasonic vibrates the processing technology that wire drawing is exactly superposition ultrasonic activation energy in conventional drawing process, passes through
The alternate electrical signal being produced by ultrasonic drivers is converted into ultrasonic activation energy, then the amplification through ultrasonic transformer by piezoelectric patches
Join, ultrasonic activation can be delivered on wire drawing die, thus encouraging the vibration of wire drawing die, then machined material is by such
Swing die carries out drawing processing, and then acquisition ultrasonic activation can be to the effect of metal material Plastic Forming.
Ultrasonic activation wire drawing of the prior art mostly is extensional vibration, and vibration mode is single.Research shows composite ultraphonic
Ripple vibration is more beneficial for reducing pulling capacity, improves the surface quality after silk material machining accuracy and silk material processing.Current wire drawing die is just
Hand over two sandwich longitudinal vibration ultrasonic vibrators of the Combined Mining of vibration orthogonally located obtaining the orthogonal vibration of wire drawing both direction.As
Document：Qi Haiqun, Dan little Biao, Xie Tao. orthogonal composite ultraphonic ripple vibration wire drawing [J]. University of Science ＆ Technology, Beijing's journal, 2010,01:
The orthogonal oscillator proposing in 89-95..Although its structure enables the orthogonal compound motion of wire drawing die, two ultrasonic longitudinal directions surpass
Sound and vibration is mechanically connected in output end, forms additional load, there is the loss of ultrasonic energy between oscillator；Sandwich ultrasonic vibrator fills
Join complexity, and ultrasonic vibrator transmits, with the ultrasonic activation of wire drawing intermode, the loss that there is ultrasonic energy.Therefore existing orthogonal oscillator
There is the shortcomings of practical application is poor, power consumption is big.
Content of the invention
It is an object of the invention to overcoming shortcoming and the deficiency of prior art, provide a kind of SMD clamped beam type orthogonal multiple
Close ultrasonic drawing oscillator.
The purpose of the present invention is achieved through the following technical solutions：A kind of orthogonal composite ultraphonic ripple wire drawing of SMD clamped beam type
Oscillator, described ultrasonic drawing oscillator includes metallic matrix beam 1, piezoelectric ceramics 2；Described metallic matrix beam 1 is provided with wire drawing die
Core 1-1；Described metallic matrix beam 1 through-thickness opens up frequencies into degeneration groove 1-2；The cross section of described metallic matrix beam 1 is square
Shape, two ends are provided with fixing end 1-3, clamped for ultrasonic drawing oscillator；Described piezoelectric ceramics 2 all polarizes along its length,
It is operated under D33 pattern；Described piezoelectric ceramics is divided into 2 groups, and that is, metallic matrix beam upper and lower surface respectively pastes 1 piezoelectric ceramics, constitutes
Longitudinal piezoelectric ceramics group 2-1, before and after metallic matrix beam, 2 piezoelectric ceramics are respectively pasted in two sides, constitute horizontal piezoelectric ceramics group 2-2；
Described longitudinal piezoelectric ceramics group 2-1 top and bottom institute pressing electroceramics polar orientation is contrary；Before and after described horizontal piezoelectric ceramics group 2-2
Side institute pressing electroceramics polar orientation is contrary.
Preferably, described die core of wire-drawing die 1-1 and metallic matrix beam 1 are processed into integral piece, and metallic matrix beam 1 serves as wire drawing
The die sleeve of mould core rod 1-1.
Preferably, described frequencies into degeneration groove 1-2 is located at metallic matrix beam 1 center and two ends, runs through metallic matrix beam upper and lower
Surface；Described frequencies into degeneration groove 1-2 is rectangular channel, triangular groove, oval groove or half slot, described frequencies into degeneration groove 1-2 position, chi
Very little it is adjusted.
Preferably, described piezoelectric ceramics 2 is operated under D33 pattern, using amplitude is equal, frequency is oscillator own resonance frequency
The homophase ac voltage signal of rate encourages longitudinal piezoelectric ceramics group 2-1 and horizontal piezoelectric ceramics group 2-2 respectively.
Preferably, described piezoelectric ceramics 2 is operated under D33 pattern, using amplitude is equal, frequency is oscillator own resonance frequency
The anti-phase ac voltage signal of rate encourages longitudinal piezoelectric ceramics group 2-1 and horizontal piezoelectric ceramics group 2-2 respectively.
Preferably, described piezoelectric ceramics 2 is operated under D33 pattern, using amplitude is equal, frequency is oscillator own resonance frequency
Rate, the ac voltage signal that 90 ° of carrier phase shift encourages longitudinal piezoelectric ceramics group 2-1 and horizontal piezoelectric ceramics group 2-2 respectively.
Preferably, described piezoelectric ceramics 2 is operated under D33 pattern, using amplitude is equal, frequency is oscillator own resonance frequency
Rate, the ac voltage signal that 270 ° of carrier phase shift encourages longitudinal piezoelectric ceramics group 2-1 and horizontal piezoelectric ceramics group 2-2 respectively.
Preferably, using frequency for oscillator own resonance frequency ac voltage signal only to longitudinal piezoelectric ceramics group 2-1
Entering row energization makes orthogonal composite ultraphonic oscillator use as longitudinal ultrasonic oscillator.
Preferably, using frequency for oscillator own resonance frequency ac voltage signal only to horizontal piezoelectric ceramics group 2-2
Entering row energization makes orthogonal composite ultraphonic oscillator use as horizontal ultrasonic vibrator.
Piezoelectric ceramics 2 in the SMD clamped beam type orthogonal composite ultraphonic ripple wire drawing oscillator of the present invention is operated in D33 mould
Under formula, the ac voltage signal equal using amplitude, frequency is oscillator own resonance frequency encourages, and the bending producing high frequency is shaken
Dynamic.Wherein pass through the flexural vibrations of longitudinal piezoelectric ceramics group 2-1 drive vibrator thickness direction, thus realizing die core of wire-drawing die 1-1
Longitudinal ultrasonic ripple vibration；By the lateral flexural vibrations of horizontal electroceramics group 2-2 drive vibrator, thus realizing die core of wire-drawing die
The lateral ultrasonic wave vibration of 1-1；The frequencies into degeneration of the ultrasonic activation in two above direction is by positioned at metallic matrix beam 1 center
Frequencies into degeneration groove 1-2 realize.
The first-order bending vibration of the utilization clamped beam both direction of the present invention realizes the orthogonal compound motion of die core of wire-drawing die,
Have the advantages that energisation mode is simple, structure simple, flexible design, can producing in serial form.
The present invention is processed as one part using metallic matrix beam 1 and die core of wire-drawing die 1-1, it is to avoid conventional ultrasonic wave is drawn
Loss problem during ultrasound energy transfer between silk oscillator and wire drawing die, has the advantages that capacity usage ratio is high.
Brief description
Fig. 1 is that the stereochemical structure of SMD clamped beam type of the present invention orthogonal composite ultraphonic ripple wire drawing oscillator is illustrated
Figure；
Fig. 2 is the metallic matrix beam schematic perspective view of oscillator of the present invention；
Fig. 3 is longitudinal piezoelectric ceramics group polarised direction schematic diagram of oscillator of the present invention；
Fig. 4 is the horizontal piezoelectric ceramics group polarised direction schematic diagram of oscillator of the present invention；
Fig. 5 is the bending vibration vibration shape schematic diagram of the through-thickness of oscillator of the present invention；
Fig. 6 is the bending vibration vibration shape schematic diagram in the laterally direction of oscillator of the present invention；
Fig. 7 be oscillator of the present invention different specific embodiments under die core of wire-drawing die movement locus schematic diagram；
(1, metallic matrix beam；1-1, die core of wire-drawing die；1-2, frequencies into degeneration groove；1-3, fixing end；2nd, piezoelectric ceramics；2-
1st, longitudinal piezoelectric ceramics group；2-2, horizontal piezoelectric ceramics group；A is longitudinal ultrasonic ripple vibration amplitude；B shakes for lateral ultrasonic wave
Width；)
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Apply example, broadly fall into the scope of protection of the invention.
Embodiment 1
Fig. 1 is that the stereochemical structure of SMD clamped beam type of the present invention orthogonal composite ultraphonic ripple wire drawing oscillator is illustrated
Figure；Fig. 2 is the metallic matrix beam schematic perspective view of oscillator of the present invention；Fig. 3 is the longitudinal direction pressure of oscillator of the present invention
Electroceramics group polarised direction schematic diagram；Fig. 4 is the horizontal piezoelectric ceramics group polarised direction schematic diagram of oscillator of the present invention；Knot
Close Fig. 1-Fig. 4, a kind of SMD clamped beam type orthogonal composite ultraphonic ripple wire drawing oscillator, described ultrasonic drawing oscillator includes metal
Matrix beam 1, piezoelectric ceramics 2；Described metallic matrix beam 1 is provided with die core of wire-drawing die 1-1；Described die core of wire-drawing die 1-1 and Metal Substrate
Body beam 1 is processed into integral piece, and metallic matrix beam 1 serves as the die sleeve of die core of wire-drawing die 1-1；Described metallic matrix beam 1 center and two
Equal through-thickness is held to offer the frequencies into degeneration groove 1-2 for semicircle for the cross section；The cross section of described metallic matrix beam 1 is square
Shape, two ends are provided with fixing end 1-3, clamped for ultrasonic drawing oscillator；Six piezoelectric ceramics 2 all polarize along its length,
Be affixed on respectively metallic matrix beam 1 upper and lower, left front, right before, on left back, right rear six faces, wherein following table on metallic matrix beam 1
Face institute pressing electroceramics polar orientation is contrary, just right negative, the lower surface potsherd polar orientation in a upper surface potsherd polar orientation left side
The left negative right side just, constitutes longitudinal piezoelectric ceramics group 2-1；Before and after metallic matrix beam 1,2 piezoelectric ceramics, institute's pressing electricity are respectively pasted in two sides
Ceramic polar orientation is contrary, and a front surface potsherd polar orientation left side is just right negative, and rear surface ceramic piece polar orientation is left just to bear the right side, structure
It is open into piezoelectric ceramics group 2-2.Piezoelectric ceramics 2 is operated under D33 pattern, using amplitude is equal, frequency is oscillator own resonance
The homophase ac voltage signal of frequency encourages longitudinal piezoelectric ceramics group 2-1 and horizontal piezoelectric ceramics group 2-2 respectively.
Described frequencies into degeneration groove 1-2 can also be rectangular channel, triangular groove or oval groove etc., described frequencies into degeneration groove 1-2 position
Put, size can be adjusted according to actual conditions.
Embodiment 2
The present embodiment is different from embodiment one to be, six piezoelectric ceramics 2 are operated under D33 pattern, using amplitude
Equal, frequency is that the anti-phase ac voltage signal of oscillator own resonance frequency encourages longitudinal piezoelectric ceramics group 2-1 and laterally respectively
Piezoelectric ceramics group 2-2.
Embodiment 3
The present embodiment is different from embodiment one to be, six piezoelectric ceramics 2 are operated under D33 pattern, using amplitude
Equal, frequency is oscillator own resonance frequency, and the ac voltage signal that 90 ° of carrier phase shift encourages longitudinal piezoelectric ceramics group respectively
2-1 and horizontal piezoelectric ceramics group 2-2.
Embodiment 4
The present embodiment is different from embodiment one to be, six piezoelectric ceramics 2 are operated under D33 pattern, using amplitude
Equal, frequency is oscillator own resonance frequency, and the ac voltage signal that 270 ° of carrier phase shift encourages longitudinal piezoelectric ceramics respectively
Group 2-1 and horizontal piezoelectric ceramics group 2-2.
Embodiment 5
The present embodiment is different from embodiment one to be, piezoelectric ceramics 2 is operated under D33 pattern, is to shake using frequency
The ac voltage signal of sub- own resonance frequency only enters row energization to longitudinal piezoelectric ceramics group 2-1 makes orthogonal composite ultraphonic oscillator make
Use for longitudinal ultrasonic oscillator.
Embodiment 6
The present embodiment is different from embodiment one to be, piezoelectric ceramics 2 is operated under D33 pattern, is to shake using frequency
The ac voltage signal of sub- own resonance frequency only enters row energization to horizontal piezoelectric ceramics group 2-2 makes orthogonal composite ultraphonic oscillator make
Use for horizontal ultrasonic vibrator.
Fig. 7 is oscillator of the present invention die core of wire-drawing die motion rail under embodiment 1- embodiment 6 specific embodiment
Mark schematic diagram, as can be seen from the figure under different embodiments die core of wire-drawing die movement locus.
Piezoelectric ceramics 2 in the SMD clamped beam type orthogonal composite ultraphonic ripple wire drawing oscillator of the present invention is operated in D33 mould
Under formula, the ac voltage signal equal using amplitude, frequency is oscillator own resonance frequency encourages, and the bending producing high frequency is shaken
Dynamic.Wherein pass through the flexural vibrations of longitudinal piezoelectric ceramics group 2-1 drive vibrator thickness direction, as shown in figure 5, thus realizing wire drawing
The longitudinal ultrasonic ripple vibration of mould core rod 1-1；By the lateral flexural vibrations of horizontal electroceramics group 2-2 drive vibrator, as Fig. 6 institute
Show, thus realizing the lateral ultrasonic wave vibration of die core of wire-drawing die 1-1；The frequencies into degeneration of the ultrasonic activation in two above direction leads to
Cross the frequencies into degeneration groove 1-2 realization being located at metallic matrix beam 1 center.
The first-order bending vibration of the utilization clamped beam both direction of the present invention realizes the orthogonal compound motion of die core of wire-drawing die,
Have the advantages that energisation mode is simple, structure simple, flexible design, can producing in serial form.
The present invention is processed as one part using metallic matrix beam 1 and die core of wire-drawing die 1-1, it is to avoid conventional ultrasonic wave is drawn
Loss problem during ultrasound energy transfer between silk oscillator and wire drawing die, has the advantages that capacity usage ratio is high.
Clamped beam type SMD to one kind provided by the present invention orthogonal composite ultraphonic ripple wire drawing oscillator above, has been carried out in detail
Thin introduce, specific case used herein is set forth to the principle of the present invention and embodiment, the saying of above example
Bright it is only intended to help and understands the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, all will change in specific embodiments and applications, and in sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of SMD clamped beam type orthogonal composite ultraphonic ripple wire drawing oscillator is it is characterised in that described ultrasonic drawing oscillator
Including metallic matrix beam (1), piezoelectric ceramics (2)；Described metallic matrix beam (1) is provided with die core of wire-drawing die (1-1)；Described Metal Substrate
Body beam (1) through-thickness opens up frequencies into degeneration groove (1-2)；The cross section of described metallic matrix beam (1) is rectangle, and two ends are provided with
Fixing end (1-3), clamped for ultrasonic drawing oscillator；Described piezoelectric ceramics (2) is all polarized along its length, is operated in
Under D33 pattern；Described piezoelectric ceramics is divided into 2 groups, and that is, metallic matrix beam upper and lower surface respectively pastes 1 piezoelectric ceramics, constitutes and longitudinally presses
Electroceramics group (2-1), before and after metallic matrix beam, 2 piezoelectric ceramics are respectively pasted in two sides, constitute horizontal piezoelectric ceramics group (2-2)；Institute
State longitudinal piezoelectric ceramics group (2-1) top and bottom institute pressing electroceramics polar orientation contrary；Before described horizontal piezoelectric ceramics group (2-2)
Trailing flank institute pressing electroceramics polar orientation is contrary.
2. ultrasonic drawing oscillator as claimed in claim 1 is it is characterised in that described die core of wire-drawing die (1-1) and Metal Substrate
Body beam (1) is processed into integral piece, and metallic matrix beam (1) serves as the die sleeve of die core of wire-drawing die (1-1).
3. ultrasonic drawing oscillator as claimed in claim 2 is it is characterised in that described frequencies into degeneration groove (1-2) is located at metal
Matrix beam (1) center and two ends, run through metallic matrix beam upper and lower surface；Described frequencies into degeneration groove (1-2) is rectangular channel, triangle
Groove, oval groove or half slot, described frequencies into degeneration groove (1-2) position, size can be adjusted.
4. ultrasonic drawing oscillator as claimed in claim 1 is it is characterised in that described piezoelectric ceramics (2) is operated in D33 pattern
Under, the homophase ac voltage signal equal using amplitude, frequency is oscillator own resonance frequency encourages longitudinal piezoelectric ceramics respectively
Group (2-1) and horizontal piezoelectric ceramics group (2-2).
5. ultrasonic drawing oscillator as claimed in claim 1 is it is characterised in that described piezoelectric ceramics (2) is operated in D33 pattern
Under, the anti-phase ac voltage signal equal using amplitude, frequency is oscillator own resonance frequency encourages longitudinal piezoelectric ceramics respectively
Group (2-1) and horizontal piezoelectric ceramics group (2-2).
6. ultrasonic drawing oscillator as claimed in claim 1 is it is characterised in that described piezoelectric ceramics (2) is operated in D33 pattern
Under, using amplitude is equal, frequency is oscillator own resonance frequency, the ac voltage signal that 90 ° of carrier phase shift encourages vertical respectively
To piezoelectric ceramics group (2-1) and horizontal piezoelectric ceramics group (2-2).
7. ultrasonic drawing oscillator as claimed in claim 1 is it is characterised in that described piezoelectric ceramics (2) is operated in D33 pattern
Under, using amplitude is equal, frequency is oscillator own resonance frequency, the ac voltage signal that 270 ° of carrier phase shift encourages vertical respectively
To piezoelectric ceramics group (2-1) and horizontal piezoelectric ceramics group (2-2).
8. ultrasonic drawing oscillator as claimed in claim 1 is it is characterised in that be oscillator own resonance frequency using frequency
Ac voltage signal only enters row energization to longitudinal piezoelectric ceramics group (2-1) makes orthogonal composite ultraphonic oscillator as longitudinal ultrasonic oscillator
Use.
9. ultrasonic drawing oscillator as claimed in claim 1 is it is characterised in that be oscillator own resonance frequency using frequency
Ac voltage signal only enters row energization to horizontal piezoelectric ceramics group (2-2) makes orthogonal composite ultraphonic oscillator as horizontal ultrasonic vibrator
Use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049158.3A CN106452162B (en) | 2016-11-25 | 2016-11-25 | A kind of orthogonal composite ultraphonic wave wire drawing oscillator of the clamped beam type of patch type |
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| CN201611049158.3A CN106452162B (en) | 2016-11-25 | 2016-11-25 | A kind of orthogonal composite ultraphonic wave wire drawing oscillator of the clamped beam type of patch type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1175380A (en) * | 1997-08-29 | 1999-03-16 | Matsushita Electric Ind Co Ltd | Ultrasonic motor and piezoelectric vibrator using the motor |
| CN102868316A (en) * | 2012-10-12 | 2013-01-09 | 哈尔滨工业大学 | Paster-type dual-feet ultrasound motor oscillator |
| CN102868315A (en) * | 2012-10-12 | 2013-01-09 | 哈尔滨工业大学 | Paster-type bending vibration composite dual-feet ultrasound motor oscillator |
| CN105897038A (en) * | 2016-06-06 | 2016-08-24 | 哈尔滨工业大学 | Ultrasonic wiredrawing vibrator capable of implementing orthogonal composite vibration by single driver |
-
2016
- 2016-11-25 CN CN201611049158.3A patent/CN106452162B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1175380A (en) * | 1997-08-29 | 1999-03-16 | Matsushita Electric Ind Co Ltd | Ultrasonic motor and piezoelectric vibrator using the motor |
| CN102868316A (en) * | 2012-10-12 | 2013-01-09 | 哈尔滨工业大学 | Paster-type dual-feet ultrasound motor oscillator |
| CN102868315A (en) * | 2012-10-12 | 2013-01-09 | 哈尔滨工业大学 | Paster-type bending vibration composite dual-feet ultrasound motor oscillator |
| CN105897038A (en) * | 2016-06-06 | 2016-08-24 | 哈尔滨工业大学 | Ultrasonic wiredrawing vibrator capable of implementing orthogonal composite vibration by single driver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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