CN109093456B - Test method of multifunctional ultrasonic finishing test device - Google Patents
Test method of multifunctional ultrasonic finishing test device Download PDFInfo
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- CN109093456B CN109093456B CN201811138707.3A CN201811138707A CN109093456B CN 109093456 B CN109093456 B CN 109093456B CN 201811138707 A CN201811138707 A CN 201811138707A CN 109093456 B CN109093456 B CN 109093456B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
A test method of a multifunctional ultrasonic finishing test device comprises a machine tool workbench, a tool clamping and rotating system, an ultrasonic vibration system, a cutter assembly and a cutter setting system; the tool clamping and rotating system and the tool setting system are both arranged on a machine tool workbench, the upper end of the ultrasonic vibration system is connected to the lower end part of a machine tool spindle, and the tool assembly is arranged at the lower end part of the ultrasonic vibration system; the tool setting system detects an acoustic emission signal between the tool assembly and a tool clamped on the tool clamping rotary system to realize tool setting; the ultrasonic vibration single-particle cutter is applied to grinding and grinding wheel dressing, single-particle grinding and single-particle scribing can be realized, meanwhile, the dressing of the tool grinding wheel can be realized, a test basis is provided for precise and ultra-precise machining, the dressing efficiency and the machining efficiency can be improved, and the purpose of controlling the dressing and machining effects can be achieved.
Description
Technical Field
The invention belongs to the technical field of precision ultraprecise machining, and particularly relates to a test method of a multifunctional ultrasonic finishing test device.
Background
With the development of precise and ultra-precise processing technology, the ultrasonic vibration processing technology is more and more widely applied to hard and brittle materials, ceramics and other difficult-to-process materials. Ultrasonic grinding is one of the precise and ultra-precise processing methods and plays a key role in the processing field. The essence of the grinding process is the combination of sliding, plowing and cutting actions based on the abrasive particles randomly distributed on the surface of the grinding wheel, and the exploration of the grinding process is a main way for deeply knowing and improving the method. The single abrasive grain is used as a basic unit for grinding processing, is not influenced by other abrasive grains in the action process, and becomes an effective means for researching a complex ultrasonic auxiliary grinding process.
In the grinding process, abrasive particles on the surface of a grinding wheel workpiece are gradually dull, so that the grinding force is increased, the grinding temperature is increased, and the surface integrity of a machined part is influenced due to flutter and burn. Therefore, the timely dressing of the grinding wheel can effectively improve the processing quality. In the existing grinding wheel dressing method, ultrasonic vibration is applied to a dressing tool in ultrasonic vibration dressing, the dressing condition is improved by changing the frequency and amplitude of the ultrasonic vibration, and the original continuous turning is changed into intermittent impact, so that the dressing abrasive grain cutting edge is sharper.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the test method of the multifunctional ultrasonic finishing test device, which has simple process and convenient operation and can respectively realize the grinding wheel finishing and the single abrasive grain grinding.
In order to solve the technical problems, the invention adopts the following technical scheme: a test method of a multifunctional ultrasonic finishing test device comprises a machine tool workbench, a tool clamping and rotating system, an ultrasonic vibration system, a cutter assembly and a cutter setting system; the tool clamping and rotating system and the tool setting system are both arranged on a machine tool workbench, the upper end of the ultrasonic vibration system is connected to the lower end part of a machine tool spindle, and the tool assembly is arranged at the lower end part of the ultrasonic vibration system; the tool setting system detects an acoustic emission signal between the tool assembly and a tool clamped on the tool clamping rotary system to realize tool setting;
the tool clamping rotary system comprises a variable frequency motor, a coupler, a worm and gear speed reducer and a rotary worktable, wherein the variable frequency motor and the worm and gear speed reducer are arranged on the machine tool worktable;
the ultrasonic vibration system comprises an ultrasonic power supply, an energy converter, a vibration transmission rod, an amplitude transformer, a support cylinder, an upper induction disc and a lower induction disc, wherein the upper induction disc and the lower induction disc are both in a circular disc shape, the upper induction disc and the lower induction disc correspond up and down and are in wireless transmission, the ultrasonic power supply is connected with the upper induction disc in the wireless transmission through a lead, the energy converter is connected with the lower induction disc in the wireless transmission through a lead to realize the transmission of electric energy, the upper induction disc in the wireless transmission is coaxially connected with the lower end of a machine tool spindle through a fastening device, the support cylinder is arranged between central holes of the upper induction disc and the lower induction disc, and the lower induction disc is fixed on the support cylinder through a fastening screw; the energy converter and the vibration transmission rod are arranged in the supporting cylinder, the energy converter is arranged at the top of the vibration transmission rod, the top of the energy converter is provided with a cover plate, the energy converter, the vibration transmission rod and the cover plate are connected through a first bolt, the lower end of the vibration transmission rod is fixedly connected with the upper end of the amplitude transformer through a first double-head bolt, the middle part of the amplitude transformer is provided with a flange plate, the flange plate is fixedly connected with the lower end of the supporting cylinder through a second bolt, the amplitude transformer adopts an asymmetric included angle type amplitude transformer, and the cutter assembly is arranged at the lower end of the amplitude transformer;
the cutter assembly comprises a cutter base body and a single-particle cutter, the single-particle cutter is fixedly connected to the cutter base body through an electroplating process, and the cutter base body is connected with the lower end part of the amplitude transformer through a second stud;
the tool setting system comprises an acoustic emission sensor, a charge amplifier, a data acquisition card and a computer which are sequentially connected through a data line, wherein the acoustic emission sensor detects an acoustic emission signal between a tool assembly and a tool to realize tool setting;
the test method has five working modes:
first mode of operation, grinding of single-grain outer circles: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable to make the excircle of the tool contact with a single-particle cutter, observing a computer, when the excircle of the tool contacts with the single-particle cutter, suddenly changing an acoustic emission signal, successfully setting the cutter, starting a variable frequency motor to realize the rotation of the tool, then starting an ultrasonic power supply, and controlling the single-particle cutter to reciprocate along the vertical direction by a machine tool spindle, thereby realizing the ultrasonic vibration grinding of the excircle of the single particle; turning off an ultrasonic power supply in the grinding process, and carrying out common grinding on the excircle of the single particle;
the second working mode is grinding of the inner circle of a single particle: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable and the vertical downward movement of a machine tool spindle to make the inner circle of the tool contact with a single-particle cutter, observing a computer, suddenly changing an acoustic emission signal when the inner circle of the tool contacts with the single-particle cutter, successfully aligning the tool, starting a variable frequency motor to realize the rotation of the tool, starting an ultrasonic power supply, and controlling the single-particle cutter to reciprocate along the vertical direction by the machine tool spindle, thereby realizing the ultrasonic vibration grinding of the inner circle of a single particle; turning off an ultrasonic power supply in the grinding process, and carrying out common grinding on the inner circle of the single particle;
the third working mode, the scribing of single-particle excircle: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable to enable the set height of the excircle of the tool to be in contact with a single-particle cutter, observing a computer, when the excircle of the tool is in contact with the single-particle cutter, suddenly changing an acoustic emission signal, successfully setting the cutter, starting a variable frequency motor to realize the rotation of the tool, then starting an ultrasonic power supply, fixing the single-particle cutter, finely adjusting the horizontal movement of the machine tool worktable, and further realizing the ultrasonic vibration scribing test of the excircle of the single particle; turning off the ultrasonic power supply in the scribing process, and performing a common scribing test of the excircle of the single particle;
fourth mode of operation, scribing of inner circles of single particles: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable and the vertical downward movement of a machine tool spindle to enable the set height of the inner circle of the tool to be in contact with a single-particle cutter, observing a computer, when the inner circle of the tool is in contact with the single-particle cutter, suddenly changing an acoustic emission signal, successfully aligning the cutter, then starting a variable frequency motor to realize the rotation of the tool, then starting an ultrasonic power supply, fixing the single-particle cutter, finely adjusting the horizontal movement of the machine tool worktable, and further realizing the ultrasonic vibration scribing test of the inner circle of a single particle; turning off an ultrasonic power supply in the scribing process, and performing a common scribing test on the inner circle of the single particle;
and (3) a fifth working mode, dressing of the outer circle of the grinding wheel: the tool in the mode is a grinding wheel, the grinding wheel is placed on a rotary worktable and clamped by a clamp, the horizontal movement of a machine tool worktable is adjusted to enable the excircle of the grinding wheel to be in contact with a single-particle cutter, a computer is observed, when the excircle of the tool is in contact with the single-particle cutter, an acoustic emission signal changes suddenly, the cutter setting is successful, then a variable frequency motor is started to realize the rotation of the grinding wheel, an ultrasonic power supply is started to fix the single-particle cutter, and the machine tool worktable moves back and forth along the vertical direction, so that the ultrasonic vibration finishing of the grinding wheel is realized; and (4) turning off the ultrasonic power supply in the dressing process, and performing ordinary dressing on the grinding wheel.
The tool is a disc part, a column part, a ring part or a grinding wheel.
The variable frequency motor and the worm gear speed reducer are both fixedly connected to the machine tool workbench through bolt assemblies.
In conclusion, the ultrasonic vibration single-particle cutter is applied to grinding and grinding wheel dressing, single-particle grinding and single-particle scribing can be realized, meanwhile, dressing of the tool grinding wheel can be realized, and a test basis is provided for precise and ultra-precise machining.
According to the structural characteristics of the tool, the tool and the workpiece are trimmed and processed by adopting different trimming tools and single-particle abrasive particles, so that the trimming efficiency and the processing efficiency can be improved, and the purpose of controlling the trimming and processing effects is achieved.
Drawings
FIG. 1 is a schematic structural view of a multifunctional ultrasonic finishing test apparatus according to the present invention;
FIG. 2 is a schematic diagram of the motion of the first embodiment;
FIG. 3 is a schematic diagram of the movement of the second embodiment;
FIG. 4 is a schematic diagram of the third motion of the embodiment;
FIG. 5 is a schematic diagram of the movement of the fourth embodiment;
FIG. 6 is a schematic diagram of the fifth motion of the embodiment.
Detailed Description
As shown in fig. 1, the multifunctional ultrasonic finishing test device of the present invention comprises a machine tool table 1, a tool clamping rotation system, an ultrasonic vibration system, a tool assembly 29 and a tool setting system; the tool clamping and rotating system and the tool setting system are both arranged on the machine tool workbench 1, the upper end of the ultrasonic vibration system is connected to the lower end part of the machine tool spindle 2, and the tool assembly 29 is arranged at the lower end part of the ultrasonic vibration system; the tool setting system detects acoustic emission signals between the tool assembly 29 and a tool held on the tool holding rotary system to effect tool setting.
The tool clamping rotary system comprises a variable frequency motor 3, a coupler 4, a worm and gear speed reducer 5 and a rotary worktable 6, wherein the variable frequency motor 3 and the worm and gear speed reducer 5 are arranged on the machine tool worktable 1, an output shaft of the variable frequency motor 3 is in transmission connection with an input shaft of the worm and gear speed reducer 5 through the coupler 4, an output shaft of the worm and gear speed reducer 5 is vertically upwards arranged and is connected with the rotary worktable 6, and a T-shaped groove for fixing a clamp 7 is formed in the rotary worktable 6.
The ultrasonic vibration system comprises an ultrasonic power supply 8, a transducer 9, a vibration transmission rod 10, an amplitude transformer 11, a support cylinder 12, an upper induction disc 13 and a lower induction disc 14, wherein the upper induction disc 13 and the lower induction disc 14 are both in a circular disc shape, the upper induction disc 13 and the lower induction disc 14 correspond up and down and are in wireless transmission, the ultrasonic power supply 8 is connected with the upper induction disc 13 in wireless transmission through a lead, the transducer 9 is connected with the lower induction disc 14 in wireless transmission through a lead to realize the transmission of electric energy, the upper induction disc 13 in wireless transmission is coaxially connected with the lower end of the machine tool spindle 2 through a fastening device, the support cylinder 12 is arranged between the central holes of the upper induction disc 13 and the lower induction disc 14, and the lower induction disc 14 is fixed on the support cylinder 12 through a fastening screw 15; transducer 9 and vibration transmission rod 10 all set up in supporting cylinder 12, transducer 9 sets up at vibration transmission rod 10 top, transducer 9 top is provided with apron 16, transducer 9, connect through first bolt 17 between vibration transmission rod 10 and the apron 16, vibration transmission rod 10 lower extreme and change width of cloth pole 11 upper end through first stud 18 fixed connection, change width of cloth pole 11 middle part and be provided with ring flange 19, ring flange 19 passes through second bolt 20 and supporting cylinder 12 lower extreme fixed connection, change width of cloth pole 11 and adopt asymmetric contained angle formula change width of cloth pole 11, cutter unit 29 installs the lower extreme at change width of cloth pole 11.
The cutter assembly 29 includes a cutter base body 21 and a single-particle cutter 22, the single-particle cutter 22 being affixed to the cutter base body 21 by an electroplating process, the cutter base body 21 being connected to the lower end portion of the horn 11 by a second stud 23.
The tool setting system comprises an acoustic emission sensor 24, a charge amplifier 25, a data acquisition card 26 and a computer 27 which are sequentially connected through a data line, wherein the acoustic emission sensor 24 detects an acoustic emission signal between a tool assembly 29 and a tool to realize tool setting.
The tool is a disc part, a column part, a ring part or a grinding wheel.
The tool rotation system, the ultrasonic vibration system, the support cylinder, the tool setting system and the tool assembly 29 in the invention are mature technologies, and the specific structures are not described.
The test method of the multifunctional ultrasonic finishing test device has five working modes, namely five specific embodiments:
example one, as shown in fig. 2, grinding of single-particle outer circles: placing a tool 28 on a rotary worktable 6 and clamping the tool by using a clamp 7, adjusting the horizontal movement of a machine tool worktable 1 to enable the excircle of the tool 28 to be in contact with a single-particle cutter 22, observing a computer 27, when the excircle of the tool 28 is in contact with the single-particle cutter 22, the acoustic emission signal changes suddenly, the cutter setting is successful, then starting a variable frequency motor 3 to realize the rotation of the tool 28, then starting an ultrasonic power supply 8, and controlling the single-particle cutter 22 to reciprocate along the vertical direction by a machine tool spindle 2, thereby realizing the ultrasonic vibration grinding of the excircle of the single particle; and turning off the ultrasonic power supply 8 in the grinding process, and carrying out common grinding on the excircle of the single particle.
Example two, as shown in fig. 3, grinding of the inner circle of a single grain: placing a tool 28 on a rotary table 6 and clamping the tool by using a clamp 7, adjusting the horizontal movement of a machine tool table 1 and the vertical downward movement of a machine tool spindle 2 to make the inner circle of the tool 28 contact with a single-particle cutter 22, observing a computer 27, when the inner circle of the tool 28 contacts with the single-particle cutter 22, suddenly changing an acoustic emission signal to successfully set the tool, starting a variable frequency motor 3 to realize the rotation of the tool 28, then starting an ultrasonic power supply 8, and controlling the single-particle cutter 22 to reciprocate along the vertical direction by the machine tool spindle 2, thereby realizing the ultrasonic vibration grinding of the inner circle of a single particle; and turning off the ultrasonic power supply 8 in the grinding process, and carrying out common grinding on the inner circle of the single particle.
Example three, as shown in fig. 4, scribing of single particle outer circles: placing a tool 28 on a rotary worktable 6 and clamping the tool by using a clamp 7, adjusting the horizontal movement of a machine tool worktable 1 to enable the set height of the excircle of the tool 28 to be in contact with a single-particle cutter 22, observing a computer 27, when the excircle of the tool 28 is in contact with the single-particle cutter 22, suddenly changing an acoustic emission signal, successfully setting the cutter, then starting a variable frequency motor 3 to realize the rotation of the tool 28, then starting an ultrasonic power supply 8, fixing the single-particle cutter 22, finely adjusting the horizontal movement of the machine tool worktable 1, and further realizing the ultrasonic vibration scribing test of the excircle of the single particle; and (4) turning off the ultrasonic power supply 8 in the scribing process, and carrying out a common scribing test of the excircle of the single particle.
Example four, as shown in fig. 5, scribing of inner circles of single particles: placing a tool 28 on a rotary table 6 and clamping the tool by using a clamp 7, adjusting the horizontal movement of a machine tool table 1 and the vertical downward movement of a machine tool spindle 2 to enable the set height of the inner circle of the tool 28 to be in contact with a single-particle cutter 22, observing a computer 27, when the inner circle of the tool 28 is in contact with the single-particle cutter 22, enabling an acoustic emission signal to suddenly change, successfully aligning the tool, starting a variable frequency motor 3 to realize the rotation of the tool 28, then starting an ultrasonic power supply 8, fixing the single-particle cutter 22, finely adjusting the horizontal movement of the machine tool table 1, and further realizing an ultrasonic vibration scribing test of the inner circle of a single particle; and (4) turning off the ultrasonic power supply 8 in the scribing process, and carrying out a common scribing test on the inner circle of the single particle.
Example five, dressing of the outer circle of the grinding wheel as shown in fig. 6: placing a tool 28 (grinding wheel) on a rotary table 6 and clamping the tool by using a clamp 7, adjusting the horizontal movement of a machine tool workbench 1 to enable the excircle of the grinding wheel to be in contact with a single-particle cutter 22, observing a computer 27, when the excircle of the tool 28 is in contact with the single-particle cutter 22, suddenly changing an acoustic emission signal, successfully setting a cutter, then starting a variable frequency motor 3 to realize the rotation of the grinding wheel, then starting an ultrasonic power supply 8, fixing the single-particle cutter 22, and enabling the machine tool workbench 1 to reciprocate along the vertical direction, thereby realizing the ultrasonic vibration finishing of the grinding wheel; and (4) turning off the ultrasonic power supply 8 in the dressing process, and performing ordinary dressing on the grinding wheel.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (3)
1. A test method of a multifunctional ultrasonic finishing test device is characterized in that: the multifunctional ultrasonic finishing test device comprises a machine tool workbench, a tool clamping and rotating system, an ultrasonic vibration system, a cutter assembly and a cutter setting system; the tool clamping and rotating system and the tool setting system are both arranged on a machine tool workbench, the upper end of the ultrasonic vibration system is connected to the lower end part of a machine tool spindle, and the tool assembly is arranged at the lower end part of the ultrasonic vibration system; the tool setting system detects an acoustic emission signal between the tool assembly and a tool clamped on the tool clamping rotary system to realize tool setting;
the tool clamping rotary system comprises a variable frequency motor, a coupler, a worm and gear speed reducer and a rotary worktable, wherein the variable frequency motor and the worm and gear speed reducer are arranged on the machine tool worktable;
the ultrasonic vibration system comprises an ultrasonic power supply, an energy converter, a vibration transmission rod, an amplitude transformer, a support cylinder, an upper induction disc and a lower induction disc, wherein the upper induction disc and the lower induction disc are both in a circular disc shape, the upper induction disc and the lower induction disc correspond up and down and are in wireless transmission, the ultrasonic power supply is connected with the upper induction disc in the wireless transmission through a lead, the energy converter is connected with the lower induction disc in the wireless transmission through a lead to realize the transmission of electric energy, the upper induction disc in the wireless transmission is coaxially connected with the lower end of a machine tool spindle through a fastening device, the support cylinder is arranged between central holes of the upper induction disc and the lower induction disc, and the lower induction disc is fixed on the support cylinder through a fastening screw; the energy converter and the vibration transmission rod are arranged in the supporting cylinder, the energy converter is arranged at the top of the vibration transmission rod, the top of the energy converter is provided with a cover plate, the energy converter, the vibration transmission rod and the cover plate are connected through a first bolt, the lower end of the vibration transmission rod is fixedly connected with the upper end of the amplitude transformer through a first double-head bolt, the middle part of the amplitude transformer is provided with a flange plate, the flange plate is fixedly connected with the lower end of the supporting cylinder through a second bolt, the amplitude transformer adopts an asymmetric included angle type amplitude transformer, and the cutter assembly is arranged at the lower end of the amplitude transformer;
the cutter assembly comprises a cutter base body and a single-particle cutter, the single-particle cutter is fixedly connected to the cutter base body through an electroplating process, and the cutter base body is connected with the lower end part of the amplitude transformer through a second stud;
the tool setting system comprises an acoustic emission sensor, a charge amplifier, a data acquisition card and a computer which are sequentially connected through a data line, wherein the acoustic emission sensor detects an acoustic emission signal between a tool assembly and a tool to realize tool setting;
the test method has five working modes:
first mode of operation, grinding of single-grain outer circles: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable to make the excircle of the tool contact with a single-particle cutter, observing a computer, when the excircle of the tool contacts with the single-particle cutter, suddenly changing an acoustic emission signal, successfully setting the cutter, starting a variable frequency motor to realize the rotation of the tool, then starting an ultrasonic power supply, and controlling the single-particle cutter to reciprocate along the vertical direction by a machine tool spindle, thereby realizing the ultrasonic vibration grinding of the excircle of the single particle; turning off an ultrasonic power supply in the grinding process, and carrying out common grinding on the excircle of the single particle;
the second working mode is grinding of the inner circle of a single particle: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable and the vertical downward movement of a machine tool spindle to make the inner circle of the tool contact with a single-particle cutter, observing a computer, suddenly changing an acoustic emission signal when the inner circle of the tool contacts with the single-particle cutter, successfully aligning the tool, starting a variable frequency motor to realize the rotation of the tool, starting an ultrasonic power supply, and controlling the single-particle cutter to reciprocate along the vertical direction by the machine tool spindle, thereby realizing the ultrasonic vibration grinding of the inner circle of a single particle; turning off an ultrasonic power supply in the grinding process, and carrying out common grinding on the inner circle of the single particle;
the third working mode, the scribing of single-particle excircle: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable to enable the set height of the excircle of the tool to be in contact with a single-particle cutter, observing a computer, when the excircle of the tool is in contact with the single-particle cutter, suddenly changing an acoustic emission signal, successfully setting the cutter, starting a variable frequency motor to realize the rotation of the tool, then starting an ultrasonic power supply, fixing the single-particle cutter, finely adjusting the horizontal movement of the machine tool worktable, and further realizing the ultrasonic vibration scribing test of the excircle of the single particle; turning off the ultrasonic power supply in the scribing process, and performing a common scribing test of the excircle of the single particle;
fourth mode of operation, scribing of inner circles of single particles: placing a tool on a rotary worktable and clamping the tool by using a clamp, adjusting the horizontal movement of a machine tool worktable and the vertical downward movement of a machine tool spindle to enable the set height of the inner circle of the tool to be in contact with a single-particle cutter, observing a computer, when the inner circle of the tool is in contact with the single-particle cutter, suddenly changing an acoustic emission signal, successfully aligning the cutter, then starting a variable frequency motor to realize the rotation of the tool, then starting an ultrasonic power supply, fixing the single-particle cutter, finely adjusting the horizontal movement of the machine tool worktable, and further realizing the ultrasonic vibration scribing test of the inner circle of a single particle; turning off an ultrasonic power supply in the scribing process, and performing a common scribing test on the inner circle of the single particle;
and (3) a fifth working mode, dressing of the outer circle of the grinding wheel: the tool in the mode is a grinding wheel, the grinding wheel is placed on a rotary worktable and clamped by a clamp, the horizontal movement of a machine tool worktable is adjusted to enable the excircle of the grinding wheel to be in contact with a single-particle cutter, a computer is observed, when the excircle of the tool is in contact with the single-particle cutter, an acoustic emission signal changes suddenly, the cutter setting is successful, then a variable frequency motor is started to realize the rotation of the grinding wheel, an ultrasonic power supply is started to fix the single-particle cutter, and the machine tool worktable moves back and forth along the vertical direction, so that the ultrasonic vibration finishing of the grinding wheel is realized; and (4) turning off the ultrasonic power supply in the dressing process, and performing ordinary dressing on the grinding wheel.
2. The testing method of the multifunctional ultrasonic finishing processing testing device according to claim 1, characterized in that: the tool is a disc part, a column part, a ring part or a grinding wheel.
3. The testing method of the multifunctional ultrasonic finishing processing testing device according to claim 1, characterized in that: the variable frequency motor and the worm gear speed reducer are both fixedly connected to the machine tool workbench through bolt assemblies.
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| KR20040056601A (en) * | 2002-12-24 | 2004-07-01 | 류동욱 | Supersonic processing apparatus |
| JP2015217341A (en) * | 2014-05-16 | 2015-12-07 | トヨタ自動車株式会社 | Composite particle synthesizer |
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| CN104002220A (en) * | 2014-05-30 | 2014-08-27 | 河南理工大学 | Device and method for single abrasive grain grinding experiments under assistance of ultrasonic vibration |
| CN105538155A (en) * | 2015-12-07 | 2016-05-04 | 河南理工大学 | On-line monitoring device for cavitation effect during ultrasonic ELID internal grinding process |
| CN105445132A (en) * | 2015-12-31 | 2016-03-30 | 河南理工大学 | Novel ultrasonic vibration assisted scratching test device for single abrasive grain and test method |
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