CN110509394A - Curved surface piezoelectric ceramic electrical fluid injection printing shaping device - Google Patents
Curved surface piezoelectric ceramic electrical fluid injection printing shaping device Download PDFInfo
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- CN110509394A CN110509394A CN201910780327.8A CN201910780327A CN110509394A CN 110509394 A CN110509394 A CN 110509394A CN 201910780327 A CN201910780327 A CN 201910780327A CN 110509394 A CN110509394 A CN 110509394A
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- swivel mount
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- rotary stopper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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Abstract
The invention belongs to advanced manufacturing technology fields, provide a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping device, including electrojet piezoelectric ceramics module and curved substrate six-axis linkage module two parts.The electrojet piezoelectric ceramics module realizes that the fine jet stability of ceramic slurry micro/nano level is formed, and monitors jet stream situation in real time；The curved substrate six-axis linkage module realizes the curved surface track movement of substrate and the height adjustment of nozzle needle and positioning movement.Beneficial effects of the present invention are that can be realized the print on demand manufacture of different kinds of curve ceramics, avoid the bonded adhesives creep that conventional fabrication processes precision is low, pastes the problems such as difficulty is big and piezoelectric ceramics and matrix, the problems such as bond strength is weak, the sensitivity and reliability of complex-curved sensing and driving element are improved, and there is wide adaptation range, advantage easy to operate, at low cost.
Description
Technical field
The invention belongs to advanced manufacturing technology fields, provide a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping dress
It sets.
Background technique
In recent years, intelligence equipment is constantly to micromation, integrated, intelligent direction development, this status is to Mechatronic Systems
Higher requirements are also raised, needs to realize the functions such as space omnidirectional information collection and curved surface driving deformation.It is sensing and is driving
Dynamic field, piezoelectric ceramics is as sensitive sensor and driving element, because having the advantages such as response is fast, structure is simple, sensitivity is high, quilt
It is widely applied.
Currently, the deformation rotor aircraft of aerospace field, needs to integrate hundreds of piezoelectricity micro-move devices in curved airfoils
Device is to realize cooperative transformation.The submariner device of navigation engineering field needs the multi-direction signal of capture space to realize that aircraft is accurate
Navigation Control；The hydrophone of ocean early warning sonar system needs to perceive the information of different directions in waters to realize to each side
Position unknown object accurately identifies.However, piezoelectric sensing and driving sensing element are generally planar structure, when for space curved surface
When structure is sensed and driven, piezoelectric ceramics bulk is usually processed into thin slice, is installed to curved surface in a manner of splicing, paste etc.
In substrate, that there are precision is low for this mode, pastes the problems such as difficulty is big, limit complex-curved sensing and driving sensitivity and
Reliability.In addition, which there is also the bonded adhesives creep of piezoelectric ceramics and matrix, bond strength is weak the problems such as, seriously affect
Device performance.
Summary of the invention
The present invention has invented a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping to solve the problems, such as the prior art
Device.Using piezoelectric ceramics slurry, " electrohydrodynamics " effect is utilized, slurry forms micro/nano level essence under electric field force effect
Thin jet stream, in conjunction with the Collaborative Control of curved substrate six-axis linkage system and fine jet stream print on demand system, directly printing manufacture
Micro/nano level curved surface piezoelectric ceramic pattern.The device eliminates the techniques such as the splicing, transfer, stickup of conventional curved-surface piezoelectric ceramics,
Process flow is simplified, the property such as will improve the piezoelectric ceramics accuracy of form and position and bond strength, and improve the electricity of piezoelectric device, mechanics
Energy.Which solves the manufacture problems of curved surface piezoelectric ceramics, realize the high-precision and high-performance manufacture of curved surface piezoelectric ceramics.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping device, including electrojet piezoelectric ceramics module and curved surface base
Bottom six-axis linkage module.
The electrojet piezoelectric ceramics module includes PC industrial personal computer 1, CCD observation camera 2, micro-injection pump 4, accurate note
Emitter 5, hose 6, nozzle needle 7 and high voltage power supply 8；The precision syringe 5 is fixed on micro-injection pump 4, passes through 6 He of hose
Nozzle needle 7 is connected, and nozzle needle 7 is fixed on the Z axis sliding block of three-dimensional moving device 10, positioned at the top of three-dimensional rotation device 9；It is described
High voltage power supply 8, cathode output end is connected with nozzle needle 7, the interchangeable fixture in cathode output end and three-dimensional rotation device 9
19 are connected；Ceramic slurry is stored in precision syringe 5 as raw material prepared Chinese ink；After the micro-injection pump 4 is powered,
It controls precision syringe 5 to spray raw material prepared Chinese ink from 7 mouthfuls of nozzle needle after hose 6 with stable flow, realizes that electrojet is beaten
Print；CCD observation camera 2, micro-injection pump 4 and the high voltage power supply 8, connect with PC industrial personal computer 1, observes phase by CCD
Machine 2 observes the stability of jet stream in print procedure, and the injection and high voltage power supply 8 of micro-injection pump 4 are controlled by PC industrial personal computer 1
Energization situation.
The curved substrate six-axis linkage module includes PC industrial personal computer 1, positioning camera 3, three-dimensional rotation device 9 and three-dimensional
Mobile device 10；The three-dimensional rotation device 9 includes conducting slip ring 11, the frame 12 that rotates in a circumferential direction, Y-direction rotating stepper motor 13, Y
To swivel mount 14, X to swivel mount 16, leveling counterweight 17, interchangeable fixture 19, X to rotating stepper motor 20, rotate in a circumferential direction motor
22, X is to rotary stopper sensor 18, Y-direction rotary stopper sensor 15 and Z-direction rotary stopper sensor 21；The Y-direction rotation
Frame 14 and X are frame structure to swivel mount 16, and the two is controlled from Y-direction rotating stepper motor 13 and X to rotating stepper motor 20 respectively
Make and provide Y-direction and X to turning moment；Interchangeable fixture 19 is fixedly mounted on X on swivel mount 16, and X passes through to swivel mount 16
Installation axle is mounted on Y-direction swivel mount 14, and X is pivoted to swivel mount 16；The Y-direction swivel mount 14 is mounted on by installation axle
It rotates in a circumferential direction on frame 12, Y-direction swivel mount 14 is pivoted；The frame 12 that rotates in a circumferential direction provides week by the motor 22 that rotates in a circumferential direction
To turning moment and guarantee the uniformity of printing, the frame 12 that makes to rotate in a circumferential direction rotates in a circumferential direction around pedestal；To pass through motor and rotation
The cooperation of pivoted frame drives interchangeable fixture 19 to do non-plane motion；The X is respectively mounted to rotating stepper motor 20 and leveling counterweight 17
On Y-direction swivel mount 14, and the installation site of the two is symmetrical, balances X to rotating stepper motor 20 by leveling counterweight 17
Weight；The X pacifies respectively to rotary stopper sensor 18, Y-direction rotary stopper sensor 15 and Z-direction rotary stopper sensor 21
It to swivel mount 16, Y-direction swivel mount 14 and rotates in a circumferential direction on frame 12 mounted in X, and is connected with PC industrial personal computer 1, be the rotation of module
Movement provides benchmark origin and limit point, and by the limit of the feedback of PC industrial personal computer 1 and returns to zero；The conducting slip ring 11 is mounted on
Rotate in a circumferential direction the lower section of frame 12, and the rotation for solving circumferential motor 22 causes Y-direction rotating stepper motor 13 and X to rotating stepper motor
20 and X is sent out to the control line of rotary stopper sensor 18, Y-direction rotary stopper sensor 15 and Z-direction rotary stopper sensor 21
Raw coiling problem；The curved substrate 23 is fixed on interchangeable fixture 19, and is fastened by holding screw 26；Described
Three-dimensional rotation device 9 is mounted in the X/Y two-dimensional movement platform of three-dimensional moving device 10, and three-dimensional moving device 10 realizes three-dimensional rotation
The X of rotary device 9 and Y-axis translational motion, by the position of the Z axis sliding block of adjusting three-dimensional moving device 10 to adjust nozzle needle 7 and song
The distance between face substrate 23；Three-dimensional rotation device 9 and three-dimensional moving device 10 are connected with PC industrial personal computer 1, PC industrial personal computer 1
Collaborative Control three-dimensional rotation device 9 and three-dimensional moving device 10 realize six-axis linkage movement, realize X, the Y-axis rotation of curved substrate 23
Transhipment is moved and the movement that rotates in a circumferential direction, to realize the movement of complicated piezoelectric ceramics curved surface track；The positioning camera 3 is fixed
It on the Z axis sliding block of three-dimensional moving device 10, is connect positioned at the top of three-dimensional rotation device 9, and with PC industrial personal computer 1, by fixed
Common cooperation realization 23 track of curved substrate of position camera 3 and three-dimensional moving device 10 accurately repeats positioning.
The micro-injection pump 4 is powered by 220V AC voltage, it can be achieved that 100nL/min grades of liquid inventories；Described
The voltage range that high voltage power supply 8 exports is 0-5kV.
The X is to rotary stopper sensor 18, Y-direction rotary stopper sensor 15 and Z-direction rotary stopper sensor 21
Hall sensor.
The Y-direction rotating stepper motor 13, X to the revolving speed of rotating stepper motor 20 and the motor 22 that rotates in a circumferential direction be 0-
2000r/min。
The curved substrate 23 can be the curved-surface structures such as various sizes of hemisphere face, semicylinder, the conical surface.
The interchangeable fixture 19 can be changed to different fixtures according to the shape and size of curved substrate 23, to realize difference
Demand.
The invention has the benefit that the device of the invention realizes complex-curved piezoelectric ceramics printing shaping.The present invention
It avoids the bonded adhesives creep of the problems such as conventional fabrication processes precision is low, stickup difficulty is big and piezoelectric ceramics and matrix, combine
The problems such as intensity is weak, improves the sensitivity and reliability of complex-curved sensing and driving element, and has wide adaptation range, behaviour
Make advantage simple, at low cost.
Detailed description of the invention
Fig. 1 is the schematic three dimensional views of curved surface piezoelectric ceramic electrical fluid injection printing shaping device of the invention；
Fig. 2 is the schematic three dimensional views of three-dimensional rotation device；
Fig. 3 is that electrojet prints piezoelectric ceramics schematic diagram.
In figure: 1PC industrial personal computer；2CCD observes camera；3 positioning cameras；4 micro-injection pumps；5 precision syringes；6 hoses；7
Nozzle needle；8 high voltage power supplies；9 three-dimensional rotation devices；10 three-dimensional moving devices；11 conducting slip rings；12 rotate in a circumferential direction frame；13Y is to rotation
Stepper motor；14Y is to swivel mount；15Y is to rotary stopper sensor；16X is to swivel mount；17 leveling counterweights；18X is to rotary stopper
Sensor；19 interchangeable fixtures；20X is to rotating stepper motor；21Z is to rotary stopper sensor；22 rotate in a circumferential direction motor；23 curved surfaces
Substrate；24 taylor cones；25 print track lines；26 holding screws.
Specific embodiment
Below in conjunction with technical solution and attached drawing, the present invention is further described, and the EFI printing apparatus of embodiment mainly includes electricity
Spray piezoelectric ceramics module and curved substrate six-axis linkage module two parts.
The electrojet piezoelectric ceramics module observes camera 2, micro-injection pump 4, precise injection by PC industrial personal computer 1, CCD
Device 5, hose 6, nozzle needle 7 and high voltage power supply 8 form.The precision syringe 5 is mounted on micro-injection pump 4, and inside is equipped with
" ZnO slurry ".Nozzle needle 7 is connected by hose 6 with precision syringe 5, and the Z axis that nozzle needle 7 is fixed on three-dimensional moving device 10 is sliding
It, can be mobile in vertical direction on block.The 8 output voltage 1200V of high voltage power supply, cathode output end are connected with nozzle needle 7, cathode
It is connected with the interchangeable fixture 19 in three-dimensional rotation device 9.
The curved substrate six-axis linkage module is by PC industrial personal computer 1, positioning camera 3, three-dimensional rotation device 9 and three-dimensional shifting
Dynamic device 10 forms.The positioning camera 3 is fixed on the Z axis sliding block of three-dimensional moving device 10 and nozzle needle 7 keeps relatively quiet
Only positioning is accurately repeated to realize.The curved substrate 23 (substrate of spherical surface is used in the present embodiment) for needing to print is placed and is fixed
In interchangeable fixture 19, the X/Y axle position moving stage of three-dimensional moving device 10 can drive three-dimensional rotation device 9 integrally to do translation fortune
It is dynamic, it can be made to be moved to the position that the extended line of nozzle needle 7 passes through the spherical surface centre of sphere.The three-dimensional rotation device 9 may be implemented around
The spheric motion of 23 centre of sphere of curved substrate；The linkage rotation cooperation that three-dimensional rotation device 9 is controlled by PC industrial personal computer 1, realizes spray
The opposite spheric helix with curved substrate 23 of needle 7 moves, and reaches spherical surface track without spray printing is intersected, guarantees the ceramic thick film of preparation
Uniformity.PC industrial personal computer 1 is connected with CCD observation camera 2 by USB data line, monitors the taylor cone in print area in real time
Track motion conditions in 24 stability and spherical surface.
The specific implementation step of embodiment is as follows:
1) electrojet piezoelectric ceramics slurry
8 cathode output end of high voltage power supply and cathode output end are connect with nozzle needle 7 and interchangeable fixture 19 respectively, high voltage power supply 8
Apply 1200V voltage, select ZnO suspension be used as " ceramic slurry ", ZnO suspension micro-injection pump 4 it is slow push under,
Nozzle needle 7 is flow to by conduit 6 from precision syringe 5 with the flow of 0.5 μ L/min to export, the electric field, gravitational field the effects of under
Stable taylor cone 24 is formed at 7 mouthfuls of nozzle needle, jet deposition forms sedimentary on the curved substrate 23 of spherical surface.Curved substrate 23
It is placed in flexible jig 19 and fixed by holding screw 26, the Z axis adjusting nozzle needle 7 and curved substrate of three-dimensional moving device 10
About 600 μm of height between 23, about 1 μm of the every thickness degree of sedimentary.It can be monitored in 1 screen of PC industrial personal computer in 2 visual field of CCD camera
Bore the printing situation of jet stream.
2) the electrojet printing shaping of curved surface piezoelectric ceramics
Before printing, the mobile nozzle needle 7 of step 1) is first passed through to suitable height, the initial of nozzle needle 7 is set by positioning camera 3
Point and print point, and guarantee that nozzle needle 7 is by the centre of sphere of printing spherical surface at print point, then PC industrial personal computer 1 passes through 3 He of positioning camera
Three-dimensional moving device 10 drives the positioning of three-dimensional rotation device 9 to predetermined print point, locks X, Y and Z axis translation, passes through PC industrial personal computer
1 and three limit sensors (X is to rotary stopper sensor 18, Y-direction rotary stopper sensor 15 and Z-direction rotary stopper sensor
21) 9 reference attitude of feedback adjustment three-dimensional rotation device, then PC industrial personal computer 1 is according to set process control three-dimensional rotation device 9
Stepper motor (Y-direction rotating stepper motor 13 and X to rotating stepper motor 20) linkage, by Y-direction swivel mount 14 and X to rotation
The rotation of frame 16 makes curved substrate 23 do the spherical rotary movement around its own centre of sphere, and the print track line 25 formed is
Spheric helix, PC industrial personal computer 1 controls electric motor starting and controls micro-injection pump 4 and the work of high voltage power supply 8 simultaneously, after the completion of printing
It closes immediately simultaneously；In print procedure, the motor 22 that rotates in a circumferential direction drive rotates in a circumferential direction 12 real time rotation of frame to guarantee to print curved surface
It is uniform；The rotate in a circumferential direction lower section of frame 12 is equipped with conducting slip ring 11, and the rotation for solving circumferential motor 22 leads to Y-direction rotation stepping electricity
Machine 13 and X, which are rotated to rotating stepper motor 20 and X to rotary stopper sensor 18, Y-direction rotary stopper sensor 15 and Z-direction, to be limited
Coiling problem occurs for the control line of level sensor 21；After the completion of printing, locks three-dimensional rotation device 9 and release three-dimensional moving device
10 locking removes curved substrate 23 and is heated.It repeats the above steps and carries out second layer printing, repeat the above steps straight
To defined print thickness is met, then required hemisphere face ceramic structure is can be obtained in sinter molding.
A kind of device of curved surface piezoelectric ceramic electrical fluid injection printing shaping proposed by the present invention utilizes " ceramic slurry " In
Under the collective effects such as electric field force, gravity, surface tension, viscous force, the fine jet stream of micro/nano level is ejected, and move using three-dimensional
The Collaborative Control of dynamic device 10, three-dimensional rotation device 9, micro-injection pump 4 and high voltage power supply 8, realize hemisphere face, semicylinder and
The print on demand of complex-curved ceramics manufactures, and ensure that the stability of printing jet stream and the uniformity consistency of printing curved surface.This hair
It is bright to avoid stickup, splicing process in the complex-curved manufacturing process of traditional piezoelectric ceramics, it eliminates traditional devices and space is believed
Number superposition process of fitting treatment caused by signal delay and distortion the problems such as, improve it is complex-curved sensing and driving micro element it is sensitive
Property and reliability.
Claims (5)
1. a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping device, which is characterized in that the curved surface piezoelectric ceramic electrical
Fluid injection printing shaping device includes electrojet piezoelectric ceramics module and curved substrate six-axis linkage module；
The electrojet piezoelectric ceramics module includes PC industrial personal computer (1), CCD observation camera (2), micro-injection pump (4), precision
Syringe (5), hose (6), nozzle needle (7) and high voltage power supply (8)；The precision syringe (5) is fixed on micro-injection pump (4)
On, it is connected by hose (6) with nozzle needle (7), and nozzle needle (7) is fixed on the Z axis sliding block of three-dimensional moving device (10), is located at three
Tie up the top of rotating device (9)；The high voltage power supply (8), cathode output end are connected with nozzle needle (7), cathode output
End is connected with the interchangeable fixture (19) in three-dimensional rotation device (9)；Ceramic slurry is stored in accurate note as raw material prepared Chinese ink
In emitter (5)；After described micro-injection pump (4) power supply, precision syringe (5) are controlled with stable flow by raw material prepared Chinese ink
It is sprayed after hose (6) from nozzle needle (7) mouth, realizes electrojet printing；The CCD observes camera (2), micro-injection pump
(4) and high voltage power supply (8) it, is connect with PC industrial personal computer (1), the steady of jet stream in print procedure is observed by CCD observation camera (2)
It is qualitative, pass through the injection and high voltage power supply (8) energization situation of PC industrial personal computer (1) control micro-injection pump (4)；
The curved substrate six-axis linkage module includes PC industrial personal computer (1), positioning camera (3), three-dimensional rotation device (9) and three
It ties up mobile device (10)；The three-dimensional rotation device (9) includes conducting slip ring (11), the frame that rotates in a circumferential direction (12), Y-direction rotation step
Into motor (13), Y-direction swivel mount (14), X to swivel mount (16), leveling counterweight (17), interchangeable fixture (19), X to rotation stepping
Motor (20), the motor that rotates in a circumferential direction (22), X are revolved to rotary stopper sensor (18), Y-direction rotary stopper sensor (15) and Z-direction
Turn limit sensors (21)；The Y-direction swivel mount (14) and X is frame structure to swivel mount (16), and the two is revolved by Y-direction respectively
Turn stepper motor (13) and X to rotating stepper motor (20) control and provide Y-direction and X to turning moment；Interchangeable fixture (19)
X is fixedly mounted on on swivel mount (16), X is mounted on Y-direction swivel mount (14) to swivel mount (16) by installation axle, and X is to rotation
Frame (16) is pivoted；The Y-direction swivel mount (14) is mounted on the frame that rotates in a circumferential direction (12) by installation axle, Y-direction swivel mount
(14) it is pivoted；The frame that rotates in a circumferential direction (12) provides circumferential turning moment and guarantee by the motor that rotates in a circumferential direction (22)
The uniformity of printing, the frame (12) that makes to rotate in a circumferential direction rotate in a circumferential direction around pedestal；It can be driven by the cooperation of motor and swivel mount
It changes fixture (19) and does non-plane motion；The X is installed in Y-direction swivel mount to rotating stepper motor (20) and leveling counterweight (17)
(14) on, and the installation site of the two is symmetrical, balances weight of the X to rotating stepper motor (20) by leveling counterweight (17)；
The X distinguishes to rotary stopper sensor (18), Y-direction rotary stopper sensor (15) and Z-direction rotary stopper sensor (21)
It is mounted on X to be connected on swivel mount (16), Y-direction swivel mount (14) and the frame that rotates in a circumferential direction (12), and with PC industrial personal computer (1), is
The rotary motion of module provides benchmark origin and limit point, and by the limit of PC industrial personal computer (1) feedback and returns to zero；The conduction
Slip ring (11) is mounted on the lower section of the frame that rotates in a circumferential direction (12), and the rotation for solving circumferential motor 22 leads to Y-direction rotating stepper motor
(13) and X is to rotating stepper motor (20) and X to rotary stopper sensor (18), Y-direction rotary stopper sensor (15) and Z-direction
Coiling problem occurs for the control line of rotary stopper sensor (21)；The curved substrate (23) is fixed on interchangeable fixture (19)
On, and fastened by holding screw (26)；The three-dimensional rotation device (9) is mounted on the X/ of three-dimensional moving device (10)
In Y two-dimensional movement platform, three-dimensional moving device (10) realizes X and the Y-axis translational motion of three-dimensional rotation device (9), passes through adjusting
The position of the Z axis sliding block of three-dimensional moving device (10) is to adjust the distance between nozzle needle (7) and curved substrate (23)；Three-dimensional rotation
Device (9) and three-dimensional moving device (10) are connected with PC industrial personal computer (1), PC industrial personal computer (1) Collaborative Control three-dimensional rotation dress
It sets (9) and three-dimensional moving device (10) realizes six-axis linkage movement, realize X, Y-axis rotary motion and the week of curved substrate (23)
To rotary motion, to realize the movement of complicated piezoelectric ceramics curved surface track；The positioning camera (3) is fixed on three-dimensional movement
On the Z axis sliding block of device (10), it is located at the top of three-dimensional rotation device (9), and is connect with PC industrial personal computer (1), by positions phase
Common cooperation realization curved substrate (23) track of machine (3) and three-dimensional moving device (10) accurately repeats positioning.
2. a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping device according to claim 1, which is characterized in that institute
The micro-injection pump (4) stated is powered by 220V AC voltage, it can be achieved that 100nL/min grades of liquid inventories；The high voltage power supply
(8) voltage range exported is 0-5kV.
3. a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping device according to claim 1 or 2, feature exist
In the X is to rotary stopper sensor (18), Y-direction rotary stopper sensor (15) and Z-direction rotary stopper sensor (21)
Hall sensor；The Y-direction rotating stepper motor (13), X are to rotating stepper motor (20) and the motor that rotates in a circumferential direction (22)
Revolving speed is 0-2000r/min.
4. a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping device according to claim 1 or 2, feature exist
In the curved substrate (23) is various sizes of curved-surface structure, including hemisphere face, semicylinder and the conical surface；Described is interchangeable
Fixture (19) can be changed to different fixtures according to the shape and size of curved substrate (23).
5. a kind of curved surface piezoelectric ceramic electrical fluid injection printing shaping device according to claim 3, which is characterized in that institute
The curved substrate (23) stated is various sizes of curved-surface structure, including hemisphere face, semicylinder and the conical surface；The interchangeable fixture
(19) different fixtures can be changed to according to the shape and size of curved substrate (23).
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| CN201910780327.8A CN110509394B (en) | 2019-08-22 | 2019-08-22 | Curved surface piezoelectric ceramic electrofluid jet printing forming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021031649A1 (en) * | 2019-08-22 | 2021-02-25 | 大连理工大学 | Method for printing curved surface piezoelectric ceramic by means of electrospray |
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| CN110509394B (en) | 2020-08-14 |
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