CN111300169A - Pressure-maintaining type ultrasonic-assisted finishing device and processing method thereof - Google Patents
Pressure-maintaining type ultrasonic-assisted finishing device and processing method thereof Download PDFInfo
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- CN111300169A CN111300169A CN202010144054.0A CN202010144054A CN111300169A CN 111300169 A CN111300169 A CN 111300169A CN 202010144054 A CN202010144054 A CN 202010144054A CN 111300169 A CN111300169 A CN 111300169A
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- cavity
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- vibrator
- grinding fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
- B24B49/04—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a pressure-maintaining type ultrasonic-assisted finishing device which comprises a cavity device with a closed cavity, a vibrator device, a transfusion system for conveying grinding fluid to the closed cavity and a pressure-maintaining device with a pressure-maintaining function, wherein the vibrator device is arranged on the cavity device; the vibrator device is provided with a tool head matched with a workpiece to be processed and positioned in a closed cavity, and the closed cavity is internally provided with grinding fluid conveyed by a fluid conveying system. When the device is used for processing the mobile phone face cover made of ceramic materials, the size of the tool head is matched with that of the mobile phone face cover, so that the defect of small ultrasonic processing range can be overcome; the vertical vibration brought by the vibrator device is utilized, the grinding fluid in the machining space of the closed cavity is fully stirred by the aid of the liquid conveying system, the surface of the mobile phone surface cover is ground under the matching condition of the grinding material grinding fluid, the surface tool marks of the workpiece to be machined are removed by ultrasonic grinding, the grinding fluid is uniformly mixed under the condition of pressure maintaining, the vibrator device is high in vibration grinding efficiency, short in machining time and simple in process, and the surface quality of the workpiece to be machined is guaranteed.
Description
Technical Field
The invention relates to the technical field of special processing, in particular to a pressure-maintaining type ultrasonic-assisted finishing device and a processing method thereof.
Background
At present, the ceramic is processed mainly by adopting a complex frequency ultrasonic processing mode and a laser processing mode. The principle of the complex frequency ultrasonic processing method is as follows: the complex frequency ultrasonic processing device moves along the transverse direction and the longitudinal direction to process holes at different positions, the working platform performs micro-feeding along the vertical direction to ensure the stable operation of the processing process, and the amplitude transformer drives the drill bit to perform longitudinal ultrasonic vibration to achieve the purpose of removing materials under the action of vibration impact and complete the processing process. In order to improve the processing efficiency, a free mass block is introduced between the amplitude transformer and the drill bit, the vibration frequency of the vibrator is improved after the free mass block is added, and the processing efficiency is improved to some extent. But the processing range is small, and the rough precision of the large-range finishing effect of the mobile phone cover is insufficient. Laser processing: firstly, heating the ceramic material to over 1000 ℃ by laser to soften the ceramic material (the laser intensity and the heating part need to be accurately controlled, and the heating part is limited to a small part on the material); then the hot ceramic material is moved to a lathe made of superhard boronizing material for processing. Although the laser processing can greatly improve the efficiency of ceramic processing, the laser processing depends on the electrical conductivity of the material, generates thermophysical effect, damages the surface structure of a workpiece after processing, even generates phenomena such as local carbonization and scorching, and the like to influence the processing quality. Both of the above-mentioned two ways of processing ceramics have problems with the surface quality of the workpiece to be processed.
Disclosure of Invention
The invention provides a pressure-maintaining type ultrasonic-assisted finishing device for overcoming the problem of poor quality of a surface to be processed when a ceramic material is processed in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that: a pressure maintaining type ultrasonic auxiliary finishing device comprises a cavity device with a closed cavity, a vibrator device, a transfusion system for conveying grinding fluid to the closed cavity and a pressure maintaining device with a pressure maintaining function; the vibrator device is provided with a tool head matched with a workpiece to be machined, the tool head is positioned in the closed cavity, and grinding fluid conveyed by a fluid conveying system is arranged in the closed cavity.
Preferably, the infusion system comprises a box body, a hydraulic pump communicated with the box body, and a liquid inlet pipe communicated with the hydraulic pump and the closed cavity, wherein a first ball valve is arranged on the liquid inlet pipe.
Preferably, a liquid outlet pipe is communicated between the closed cavity and the box body, and a second ball valve is arranged on the liquid outlet pipe.
Preferably, the cavity device comprises a cavity upper cover plate and a cavity lower cover plate, and the closed cavity is formed inside the cavity upper cover plate and the cavity upper cover plate when the cavity upper cover plate is matched with the cavity upper cover plate.
Preferably, a cavity sealing plate is arranged in the closed cavity, and the tool head and the grinding fluid are both located in the cavity sealing plate.
Preferably, be provided with the closed groove that is used for fixed treating the machined part in the closed die cavity, be provided with the liquid inlet that is used for the airtight die cavity of inlet tube intercommunication, be used for the liquid outlet of the airtight die cavity of drain pipe intercommunication in the closed groove.
Preferably, the vibration device comprises a vibrator arranged on the mounting plate, a guide rod arranged on the upper cover plate of the cavity and fixedly connected with the mounting plate, and a guide wheel arranged in a through hole of the upper cover plate of the cavity and used for guiding the vibrator when the vibrator moves up and down.
Preferably, the pressure maintaining device is a voice coil motor arranged on the vibrator device.
Preferably, the pressure maintaining device is a static pressure elastic device, the static pressure elastic device comprises a lower base, a guide pillar and a spring structure sleeved on the guide pillar, one end of the spring structure is fixedly connected with the lower end face of the lower cover plate of the cavity, and the other end of the spring structure is fixedly connected with the lower base; one end of the guide post is fixedly connected with the lower base, and the other end of the guide post extends into a mounting hole formed in the lower end face of the lower cover plate of the cavity.
The invention provides a processing method of a pressure-maintaining type ultrasonic-assisted finishing device, which comprises the following steps:
s1, placing the workpiece to be machined into the closed cavity for fixing, and closing the cavity device;
s2, setting a gap between the vibrator device and a workpiece to be machined, and ensuring that the grinding fluid can pass through the middle of the vibrator device and can smoothly circulate;
s3, checking the tightness, processing a hydraulic pump, and observing whether the pressure of a liquid inlet and the pressure of a liquid outlet of the infusion system are consistent or not, and whether the conditions of air leakage and blockage exist or not;
s4, turning on a power supply to start the vibration device and simultaneously turning on a hydraulic pump to input grinding fluid for grinding;
and S5, monitoring the pressure in real time and cooling the hydraulic pump.
Compared with the prior art, the invention provides the pressure-maintaining type ultrasonic-assisted finishing device, when a ceramic workpiece to be machined is machined by the device, the size of a tool head is matched with that of the workpiece to be machined, and the defect of small ultrasonic machining range can be overcome; the vibrator device is used for longitudinal vibration, the infusion system is used for fully stirring the grinding fluid in the machining space of the closed cavity, the surface of a workpiece to be machined is ground under the matching condition of the grinding fluid, ultrasonic grinding is initiated to remove tool marks on the surface of the workpiece to be machined, the grinding fluid is uniformly mixed under the condition of pressure maintaining, the vibrator device is high in vibration grinding efficiency, short in machining time and simple in process, the surface precision and uniformity of the workpiece to be machined are guaranteed, and the machining efficiency and the machining cost are improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a pressure maintaining ultrasonic-assisted finishing apparatus;
FIG. 2 is a schematic structural diagram of an embodiment 2 of a pressure maintaining ultrasonic-assisted finishing apparatus;
FIG. 3 is a schematic view showing a connection relationship between a guide post and a lower cover plate of a cavity in embodiment 1 of a pressure maintaining type ultrasonic-assisted finishing apparatus;
FIG. 4 is a schematic view of the construction of the tool head;
FIG. 5 is a partial top view of an ultrasonic machining area;
FIG. 6 is a graph showing a relationship between a machining time and a machining gap in a machining process in the embodiment 1 of the pressure maintaining type ultrasonic-assisted finishing machining apparatus;
FIG. 7 is a diagram showing a relationship between a machining time and a machining gap in a machining process in embodiment 2 of the pressure maintaining type ultrasonic-assisted finishing device;
in the attached drawing, 1-a hydraulic pump, 2-a liquid inlet pipe, 3-a first ball valve, 4-a guide rod, 5-a guide wheel, 6-a flange plate, 7-a vibrator, 8-a screw, 9-a liquid outlet pipe, 10-a mounting plate, 12-a cavity upper cover plate, 13-a closed cavity, 14-a tool head, 15-a cavity sealing plate, 16-an abrasive suspension, 17-a workpiece to be machined, 18-a cavity lower cover plate, 19-a spring structure, 20-a lower base, 11-a second ball valve, 22-a liquid inlet, 24-a liquid outlet, 23-a through hole, 24-a box body, 25-a guide column and 26-a mounting hole.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1
As shown in fig. 1, 3 and 4, a pressure maintaining type ultrasonic assisted finishing device comprises a cavity device with a closed cavity 13, a vibrator device, a transfusion system for conveying grinding fluid to the closed cavity 13 and a pressure maintaining device with a pressure maintaining function; the vibrator device is provided with a tool head 14 matched with a workpiece 17 to be processed and positioned in a closed cavity 13, and grinding fluid conveyed by a fluid conveying system is arranged in the closed cavity 13. In the closed cavity 13, the grinding fluid and the abrasive form an abrasive suspension 16, and in this embodiment, the workpiece 17 is a cell phone cover made of a ceramic material. When the device is used for processing the mobile phone face cover made of ceramic materials, the size of the tool head 14 is matched with that of the mobile phone face cover, so that the defect of small ultrasonic processing range can be overcome; longitudinal vibration brought by the vibrator device is utilized, the grinding fluid in the machining space of the closed cavity 13 is fully stirred by the aid of the liquid conveying system, the surface of the mobile phone surface cover is ground under the matching condition of the grinding fluid, the tool marks on the surface of the workpiece 17 to be machined are removed by ultrasonic grinding, the grinding fluid is uniformly mixed under the condition of pressure maintaining, the vibrator device is high in vibration grinding efficiency, short in machining time and simple in process, the surface quality of the workpiece 17 to be machined is guaranteed, and machining efficiency and cost are improved.
The infusion system comprises a box body 24, a hydraulic pump 1 communicated with the box body, and a liquid inlet pipe 2 communicated with the hydraulic pump 1 and the closed cavity 13, wherein a first ball valve 3 is arranged on the liquid inlet pipe 2. The grinding fluid placed in the box body 24 can be conveyed into the closed cavity through the liquid inlet pipe 2 under the action of the hydraulic pump 1, and the first ball valve can control the pressure in the closed cavity 13, so that the intensity of stirring of the grinding fluid in the closed cavity 13 is controlled.
In addition, a liquid outlet pipe 9 is communicated between the closed cavity 13 and the box body 24, and a second ball valve 11 is arranged on the liquid outlet pipe 9. Because airtight die cavity 13 is the confined space, open second ball valve 11 on drain pipe 9, can make the grinding fluid in airtight die cavity 13 flow back to in the box, because ultrasonic machining heat-conduction is violent, the grinding fluid temperature that flows back to box 24 from drain pipe 9 is less, in order to make the grinding fluid temperature when recycling once more and the temperature of the grinding fluid of output from liquid inlet pipe 2 tend to unanimously, can be provided with cooling device on box 24 for carry out cooling treatment to the grinding fluid that flows back in box 24.
The cavity device comprises a cavity upper cover plate 12 and a cavity lower cover plate 18, and a closed cavity 13 is formed inside the cavity upper cover plate 12 and the cavity upper cover plate 12 when the cavity upper cover plate 12 is matched. The die cavity device consists of a die cavity upper cover plate 12 and a die cavity lower cover plate 18, and the opening of the die cavity device is facilitated.
Further, a cavity sealing plate 15 is provided in the closed cavity 13, and the tool bit 14 and the grinding fluid are both located in the cavity sealing plate 15. The arrangement of the cavity sealing plate 15 can ensure the tightness of the closed cavity 13.
Wherein, be provided with the sealed groove 21 that is used for fixed waiting to treat that machined part 17 in the sealed die cavity 13, be provided with the liquid inlet 22 that is used for liquid inlet pipe 2 to communicate sealed die cavity 13 in the sealed groove 21, be used for drain pipe 9 to communicate sealed die cavity 13's liquid outlet 24. In the embodiment, the workpiece 17 to be processed is a mobile phone cover made of a ceramic material, and the closed groove 21 can position the mobile phone cover in order to avoid the mobile phone cover moving during the processing. The liquid inlet 22 and the liquid outlet 24 provided in the sealed tank 21 are respectively provided to facilitate insertion of the liquid inlet pipe 2 and the liquid outlet pipe 9 into the sealed cavity 13.
The vibration device includes a vibrator 7 provided on the mounting plate 10, a guide rod 4 provided on the cavity upper cover plate 12 and fixedly connected to the mounting plate 10, and a guide wheel 5 provided in a through hole 23 of the cavity upper cover plate 12 and used for guiding the vibrator 7 when it moves up and down. In the embodiment, the vibrator 7 is fixedly connected with the mounting plate 10 through the flange 6 and the screw 8; under the guiding action of the guide wheel 5, the vibrator 7 can orderly vibrate longitudinally.
The pressure maintaining device is a static pressure elastic device, the static pressure elastic device comprises a lower base 20, a guide post 25 and a spring structure 19 sleeved on the guide post 25, one end of the spring structure 19 is fixedly connected with the base 20, and the other end of the spring structure 19 is fixedly connected with the lower end face of the cavity lower cover plate 18; one end of the guide post 25 is fixedly connected with the lower base 20, the other end of the guide post 20 extends into a mounting hole 26 arranged at the lower end of the lower cover plate 18 of the cavity, the spring structure 19 can generate slight deformation in the process of up-and-down vibration of the vibrator 7, and the guide post 25 has a guiding function. Note that the guide post 25 projects into the mounting hole 26 with this clearance from the bottom of the mounting hole 26. The static pressure elastic device can play a role in maintaining pressure, and the machining gap can be controlled according to the concentration of the grinding fluid and the machining requirement. It should be noted that the static pressure elastic devices are preferably arranged in 4 groups, and the 4 groups of static pressure elastic devices are preferably uniformly arranged
As shown in fig. 6, in the processing process of the device, the processing gap between the processing head and the mobile phone panel changes regularly along with the time, which is beneficial to the high-precision processing of the mobile phone panel.
Example 2
As shown in fig. 2, embodiment 2 differs from embodiment 1 in the pressure holding device, which is a voice coil motor provided in a transducer device. The voice coil motor is arranged, and the machining gap can be controlled according to the concentration of the grinding fluid and the machining requirement.
As shown in fig. 7, in the processing process of the device, the processing gap between the processing head and the mobile phone panel changes regularly along with the time, which is beneficial to the high-precision processing of the mobile phone panel.
Example 3
A processing method of a pressure maintaining type ultrasonic auxiliary finishing device comprises the following steps:
s1, placing the workpiece to be machined into the closed cavity for fixing, and closing the cavity device;
s2, setting a gap between the vibrator device and a workpiece to be machined, and ensuring that the grinding fluid can pass through the middle of the vibrator device and can smoothly circulate;
s3, checking the tightness, processing a hydraulic pump, and observing whether the pressure of a liquid inlet and the pressure of a liquid outlet of the infusion system are consistent or not, and whether the conditions of air leakage and blockage exist or not;
s4, turning on a power supply to start the vibration device and simultaneously turning on a hydraulic pump to input grinding fluid for grinding;
and S5, monitoring the pressure in real time and cooling the hydraulic pump.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a supplementary finishing processingequipment of pressurize formula supersound which characterized in that: the grinding fluid vibration-damping device comprises a cavity device with a closed cavity (13), a vibrator device, a fluid delivery system for delivering grinding fluid to the closed cavity (13) and a pressure-maintaining device with a pressure-maintaining function; the vibrator device is provided with a tool head (14) matched with a workpiece to be machined (17) and positioned in the closed cavity (13), and grinding fluid conveyed by a fluid conveying system is arranged in the closed cavity (13).
2. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 1, characterized in that: the infusion system comprises a box body (24), a hydraulic pump (1) communicated with the box body, a liquid inlet pipe (2) communicated with the hydraulic pump (1) and a closed cavity (13), and a first ball valve (3) is arranged on the liquid inlet pipe (2).
3. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 2, characterized in that: a liquid outlet pipe (9) is communicated between the closed cavity (13) and the box body (24), and a second ball valve (11) is arranged on the liquid outlet pipe (9).
4. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 1 or 2, characterized in that: the die cavity device comprises a die cavity upper cover plate (12) and a die cavity lower cover plate (18), and the closed die cavity (13) is formed inside when the die cavity upper cover plate (12) is matched with the die cavity upper cover plate (18).
5. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 4, characterized in that: and a cavity sealing plate (15) is arranged in the closed cavity (13), and the tool head (14) and the grinding fluid (18) are both positioned in the cavity sealing plate.
6. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 2, characterized in that: be provided with sealed groove (21) that is used for fixed treating machined part (17) in sealed die cavity (13), be provided with liquid inlet (22) that are used for liquid inlet pipe (2) intercommunication sealed die cavity (13), be used for liquid outlet (24) of drain pipe (9) intercommunication sealed die cavity (13) in sealed groove (21).
7. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 2, characterized in that: the vibrating device comprises a vibrator (7) arranged on the mounting plate (10), a guide rod (4) arranged on the cavity upper cover plate (12) and fixedly connected with the mounting plate (10), and a guide wheel (5) arranged in a through hole (23) of the cavity upper cover plate (12) and used for guiding the vibrator (7) when the vibrator moves up and down.
8. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 1, characterized in that: the pressure maintaining device is a voice coil motor arranged on the vibrator device.
9. The pressure maintaining type ultrasonic auxiliary finishing device according to claim 1, characterized in that: the pressure maintaining device is a static pressure elastic device, the static pressure elastic device comprises a lower base (20), a guide post (25) and a spring structure (19) sleeved on the guide post (25), one end of the spring structure (19) is fixedly connected with the lower end face of the cavity lower cover plate (18), and the other end of the spring structure (19) is fixedly connected with the lower base (20); one end of the guide post (25) is fixedly connected with the lower base (20), and the other end of the guide post (25) extends into a mounting hole (26) formed in the lower end face of the cavity lower cover plate (18).
10. A processing method of a pressure maintaining type ultrasonic auxiliary finishing processing device is characterized by comprising the following steps:
s1, placing the workpiece to be machined into the closed cavity for fixing, and closing the cavity device;
s2, setting a gap between the vibrator device and a workpiece to be machined, and ensuring that the grinding fluid can pass through the middle of the vibrator device and can smoothly circulate;
s3, checking the tightness, processing a hydraulic pump, and observing whether the pressure of a liquid inlet and the pressure of a liquid outlet of the infusion system are consistent or not, and whether the conditions of air leakage and blockage exist or not;
s4, turning on a power supply to start the vibration device and simultaneously turning on a hydraulic pump to input grinding fluid for grinding;
and S5, monitoring the pressure in real time and cooling the hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144054.0A CN111300169A (en) | 2020-03-04 | 2020-03-04 | Pressure-maintaining type ultrasonic-assisted finishing device and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144054.0A CN111300169A (en) | 2020-03-04 | 2020-03-04 | Pressure-maintaining type ultrasonic-assisted finishing device and processing method thereof |
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| CN111300169A true CN111300169A (en) | 2020-06-19 |
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| CN202010144054.0A Pending CN111300169A (en) | 2020-03-04 | 2020-03-04 | Pressure-maintaining type ultrasonic-assisted finishing device and processing method thereof |
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| CN111844491A (en) * | 2020-07-25 | 2020-10-30 | 黎明职业大学 | Improved complex frequency numerical control ultrasonic machining method and numerical control machining machine tool |
| CN113732827A (en) * | 2021-09-14 | 2021-12-03 | 太原理工大学 | Impeller blade ultrasonic vibration static pressure abrasive flow polishing machining device and method |
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| JP2003048152A (en) * | 2001-08-08 | 2003-02-18 | Olympus Optical Co Ltd | Recessed spherical face machining device by ultrasonic wave and method therefor |
| JP2005262344A (en) * | 2004-03-16 | 2005-09-29 | Canon Inc | Ultra-precisely polishing method and its device |
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| CN113732827A (en) * | 2021-09-14 | 2021-12-03 | 太原理工大学 | Impeller blade ultrasonic vibration static pressure abrasive flow polishing machining device and method |
| CN113732827B (en) * | 2021-09-14 | 2022-11-18 | 太原理工大学 | Impeller blade ultrasonic vibration static pressure abrasive flow polishing machining device and method |
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Application publication date: 20200619 |