CN208391691U - A kind of level of ultrasonic vibration-assisted grinding processing unit (plant) - Google Patents
A kind of level of ultrasonic vibration-assisted grinding processing unit (plant) Download PDFInfo
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- CN208391691U CN208391691U CN201820836728.1U CN201820836728U CN208391691U CN 208391691 U CN208391691 U CN 208391691U CN 201820836728 U CN201820836728 U CN 201820836728U CN 208391691 U CN208391691 U CN 208391691U
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- 238000000227 grinding Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000006061 abrasive grain Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of level of ultrasonic vibration-assisted grinding processing unit (plant), including two ultrasonic transducers, two ultrasonic amplitude transformers, ultrasonic horn and two flange support bases, be in line tandem configuration, each inter-module is all made of studs connection, two ultrasonic amplitude transformers are symmetrically distributed in the both ends of ultrasonic horn, are respectively connected with a ultrasonic transducer in the one end of ultrasonic amplitude transformer far from ultrasonic horn.The upper and lower surface of ultrasonic horn is plane, and two sides are arc surface, is respectively uniformly and symmetrically distributed the identical horizontal rectangular blind hole of three sectional dimensions along short transverse on the arc surface of two sides.Miniature workpiece is fixed on the upper surface of ultrasonic horn by holding screw, and integral level ultrasonic vibration is realized together with ultrasonic horn.The utility model can be achieved at the same time the integral level ultrasonic vibration of ultrasonic system and multiple miniature workpieces, to reduce difficult-to-machine material part grinding power, improve the grinding efficiency and processing quality of difficult-to-machine material part.
Description
Technical field
The utility model relates to technical fields, and in particular to a kind of level of ultrasonic vibration-assisted grinding processing dress
It sets.
Background technique
Using hard alloy as the difficult-to-machine material of representative, hardness and wearability with higher, using traditional wheel grinding
When processing, process time is longer and processing efficiency is lower.Therefore the grinding of the difficult-to-machine materials such as hard alloy how is improved
Efficiency has become one of the critical issue of mechanical processing technique primary study.
Ultrasonic wave added cutting technology is to apply assisting ultrasonic vibration in tradition machinery cutting technology, to obtain
A kind of processing technology for obtaining more preferable machinability, is a kind of typical Combined Machining Technology.It is processed in ultrasonic vibration aided grinding
In the process, change the formation mechenism of grinding skin and grinding wheel abrasive grain by applying ultrasonic frequency vibration to abrasive grinding wheel or workpiece
Abrasion mechanism improves the grinding track of abrasive grain, can also inhibit wheel topography, reduces grinding force and reduces grinding temperature,
To improve the grinding efficiency and processing quality of workpiece.
In ultrasonic vibration aided grinding processing technology, mainly there are vibration part to be processed and vibration grinding tool two ways.
Apply ultrasonic vibration to abrasive grinding wheel to need to carry out grinding system more complex transformation, higher cost；And to processed
Part applies ultrasonic vibration, and ultrasonic vibration state will receive the influence of the shape and quality of processing part, need for different
Design of part specially designs ultrasonic system.
For the high-volume rotary ultrasonic grinding of small-sized difficult-to-machine material part, it is small that design and exploitation are able to satisfy different structure
Type part, and can install multiple parts carry out batch rotary ultrasonic grindings workpiece ultrasonic vibration installation have become it is urgently to be solved
Key technical problem.
Summary of the invention
The technical problem to be solved by the present invention is to add for above-mentioned current surface grinding machine is difficult for hard alloy etc.
The low problem of batch grinding efficiency of work material small parts provides a kind of level that can load multiple small parts simultaneously
Supersonic vibration assistant grinding processing unit (plant) solves above-mentioned technological deficiency.
A kind of level of ultrasonic vibration-assisted grinding processing unit (plant), including the first ultrasonic transducer 1a, the second ultrasonic transducer
1b, the first ultrasonic amplitude transformer 2a, the second ultrasonic amplitude transformer 2b, a ultrasonic horn 3, two flange support bases 5, Threaded clamp
6, stud 8, ultrasonic-frequency power supply 9, horizontal rectangular blind hole 10, working surface 11, holding screw 12, the first ultrasonic amplitude transformer 2a's
A flange support base 5 is connected at central flange 4, connects another flange branch at the central flange 4 of the second ultrasonic amplitude transformer 2a
The other end of support seat 5, the first ultrasonic amplitude transformer 2a and the second ultrasonic amplitude transformer 2b pass through stud 8 respectively and are symmetrically connected to
3 two sides of ultrasonic horn, the first ultrasonic transducer 1a and the second ultrasonic transducer 1b are respectively in the first ultrasonic amplitude transformer 2a and
Two ultrasonic amplitude transformer 2b are connected far from one end of the ultrasonic horn 3, the first ultrasonic transducer 1a and the second ultrasonic transducer
1b is all connected with ultrasonic-frequency power supply 9, and Threaded clamp 6 is placed on the working surface 11 of ultrasonic horn 3, passes through on working surface 11
Threaded clamp 6 fixes workpiece to be machined 7, is consolidated workpiece to be machined 7 and Threaded clamp 6 by holding screw 12.
Further, the first ultrasonic amplitude transformer 2a and the second ultrasonic amplitude transformer 2b is conventional stepped ultrasonic amplitude of fluctuation
Bar, and flange arrangement is equipped in the middle part of stepped ultrasonic amplitude transformer；Two flange support bases 5 respectively with the first ultrasonic amplitude transformer 2a
With the connection of the central flange 4 of the second ultrasonic amplitude transformer 2b and for etc. high settings, be used to support entire level of ultrasonic vibration auxiliary mill
Cut processing unit (plant), and being connected and fixed by 5 bottom of support base and grinding machine tool work top.
Further, the upper and lower surface and left and right ends of the ultrasonic horn 3 are plane, and two sides are circular arc
Face, arc radius 70-85mm；Three complete phases of sectional dimension are respectively uniformly and symmetrically distributed along short transverse on the arc surface of two sides
The length of same horizontal rectangular blind hole 10, blind hole is 124-127mm, is highly 2-4mm, and blind via bottom is perpendicular to ultrasonic horn 3
The distance of straight median plane is 15mm, and the centreline space of adjacent blind hole in the height direction is away from for 8-12mm；Ultrasonic horn it is upper
Surface is working face, each uniformly distributed identical four to six threaded holes of dimensions in left and right ends in upper surface, for connecting
Threaded clamp.
Further, in the threaded hole of 3 upper surface of ultrasonic horn, the center to a ultrasonic horn left side of outermost side opening
The distance of right both ends of the surface is 10-12mm, the horizontal space 10-17mm, vertical spacing 8-12mm, diameter of thread 5- at hole center
12mm。
Further, four to six threaded holes of 3 upper surface of ultrasonic horn are based on the horizontal and vertical center line in upper surface
It is symmetric.
Further, the lower end of the Threaded clamp 6 is connect by screw thread with the threaded hole of ultrasonic horn upper surface, spiral shell
The top of line fixture is thin wall circular structure, and annulus height 4mm, wall thickness 3mm, inner diameter is identical as miniature workpiece outer diameter, is used
In placing workpiece, and it is uniformly arranged on annulus side wall the threaded hole of two M3, it will be small-sized by the way of holding screw fastening
Workpiece and fixture are connected as an entirety.
Further, the first ultrasonic transducer 1a and the second ultrasonic transducer 1b is Conventional piezoelectric formula ultrasonic transduction
Device.
Further, ultrasonic amplitude transformer, ultrasonic transducer and ultrasonic horn are all made of 20kHz frequency.
A kind of application method of level of ultrasonic vibration-assisted grinding processing unit (plant), specifically includes the following steps:
Step 1: consolidating the two by work piece 7 in Threaded clamp 6 and through holding screw 12, then by screw thread
Fixture 6 is connected in the threaded hole on the working surface 11 of ultrasonic horn 3；
Step 2: a whole set of ultrasonic vibration installation is connected and fixed by support base 5 and the workbench of grinding machine tool, and
Workpiece surface 11 is kept to be in a horizontal state；
Step 3 opens ultrasonic-frequency power supply 9, and electric signal is changed into the ultrasonic vibration of horizontal direction by ultrasonic transducer, and ultrasound becomes
Width bar amplifies ultrasonic amplitude produced by ultrasonic transducer, and it is real together that ultrasonic horn 3 loads work piece 7 and Threaded clamp 6
Existing integral level ultrasound resonance；
Step 4 is opened grinding machine realization grinding wheel rotary motion, and is realized by preset program to 7 upper surface of workpiece to be machined
Horizontal Grinding Process；
After step 5,7 grinding of workpiece to be machined, rises grinding wheel and stop operating, realize grinding wheel and work piece
Separation, close ultrasonic-frequency power supply, complete work piece 7 level of ultrasonic assistant grinding process.
The technical solution that the embodiments of the present invention provide has the benefit that the present apparatus passes through in ultrasonic amplitude of fluctuation
It is arranged symmetrically multiple blind hole structures on the arc surface of device two sides, blocky ultrasonic horn may make to be turned by three-D ultrasonic vibrational state
Become single level of ultrasonic vibrational state.And the ultrasonic vibration that 4-6 miniature workpiece realizes horizontal direction can be loaded simultaneously, thus
Meet workpiece assisting ultrasonic vibration grinding process requirements, can effectively reduce the grinding power of difficult-to-machine material part and improves mill
Cut processing quality and grinding efficiency.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the utility model a kind of top view and front view of level of ultrasonic vibration-assisted grinding processing unit (plant)；
Fig. 2 is the Threaded clamp structure chart that a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) of the utility model uses.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
A kind of level of ultrasonic vibration-assisted grinding processing unit (plant), including the first ultrasonic transducer 1a, the second ultrasonic transducer
1b, the first ultrasonic amplitude transformer 2a, the second ultrasonic amplitude transformer 2b, a ultrasonic horn 3, two flange support bases, Threaded clamp
6, stud 8, ultrasonic-frequency power supply 9, horizontal rectangular blind hole 10, working surface 11, holding screw 12, the first ultrasonic transducer 1a with
First one end ultrasonic amplitude transformer 2a is connected by stud 8, and the first ultrasonic amplitude transformer 2a other end connects a flange support
Seat, the second ultrasonic transducer 1b are connect with second one end ultrasonic amplitude transformer 2b by stud 8, and the second ultrasonic amplitude transformer 2a is another
One end connects another flange support base, the first ultrasonic amplitude transformer 2a and the second ultrasonic amplitude transformer 2b by stud 8 and surpasses
The two sides of sound amplitude transformer 3 symmetrically connect, and the first ultrasonic transducer 1a and the second ultrasonic transducer 1b are respectively in the first ultrasonic amplitude of fluctuation
Bar 2a and the second ultrasonic amplitude transformer 2b is connected far from one end of the ultrasonic horn 3, the first ultrasonic transducer 1a for being told and
Second ultrasonic transducer 1b is connect with ultrasonic-frequency power supply 9, solid by Threaded clamp 6 on the working surface 11 of ultrasonic horn 3
Determine workpiece to be machined 7, is consolidated workpiece to be machined 7 and Threaded clamp 6 by holding screw 12.
Two flange support bases are specifically respectively at the flange 4 of the first ultrasonic amplitude transformer 2a and the second ultrasonic amplitude transformer 2b
Two contour support bases 5 are set, are used to support entire level of ultrasonic vibration-assisted grinding processing unit (plant), and support base can be passed through
Bottom realization is connected and fixed with grinding machine tool work top.
The upper and lower surface and left and right ends of ultrasonic horn 3 are plane, and two sides are arc surface, and arc radius is
70-85mm；3 identical horizontal rectangular blind holes 10 are respectively uniformly and symmetrically distributed along short transverse on the arc surface of two sides, it is blind
The length in hole is 124-127mm, is highly 2-4mm, and the distance of blind via bottom to the vertical median plane of ultrasonic horn is 15mm, blind
The centreline space of hole in the height direction is away from for 8-12mm；The upper surface of ultrasonic horn is working face, on a left side for upper surface
Each uniformly distributed identical 4~6 threaded holes of dimensions in right both ends, are used for connection screw thread fixture.The spiral shell of 3 upper surface of ultrasonic horn
In pit, centre distance ultrasonic horn left and right ends 10-12mm, the horizontal space 10-17mm at hole center of outermost side opening,
Vertical spacing 8-12mm, diameter of thread 5-12mm.It is horizontal that 4~6 threaded holes of 3 upper surface of ultrasonic horn are based on upper surface
It is symmetric with vertical centerline.
As shown in Fig. 2, the lower end of Threaded clamp is connect by screw thread with the threaded hole of ultrasonic horn upper surface, screw clamp
The top of tool is thin wall circular structure, and annulus height 4mm, wall thickness 3mm, inner diameter is identical as miniature workpiece outer diameter, for putting
Workpiece is set, and is uniformly arranged the threaded hole of two M3 on annulus side wall, by miniature workpiece by the way of holding screw fastening
An entirety is connected as with fixture.
First ultrasonic transducer 1a and the second ultrasonic transducer 1b is Conventional piezoelectric formula ultrasonic transducer.First ultrasonic amplitude of fluctuation
Bar 2a and the second ultrasonic amplitude transformer 2b is conventional stepped ultrasonic amplitude transformer.
Ultrasonic-frequency power supply 9 provides electric signal simultaneously for two ultrasonic transducers 1, and electric signal is changed into water by ultrasonic transducer 1
Square to ultrasonic vibration.Ultrasonic amplitude transformer 2 amplifies ultrasonic amplitude produced by ultrasonic transducer 1, and ultrasonic horn 3 is in reality
While existing level of ultrasonic vibration, pass through the fixed 4-6 processed works of Threaded clamp 6 and holding screw 12 on working surface 11
Part 7 realizes integral level ultrasonic vibration, to meet the needs of workpiece supersonic vibration assistant grinding processing.
Pass through stud 8 between ultrasonic transducer 1 and ultrasonic amplitude transformer 2, ultrasonic amplitude transformer 2 and ultrasonic horn 3
It connects and is arranged in same straight line tandem.Threaded clamp 6 and work piece 7 are on working surface 11 along horizontal and vertical center line
It is symmetrical.
Workpiece to be machined 7 is treated using a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) of the utility model to be ground
When processing:
Step 1: consolidating the two by work piece 7 in Threaded clamp 6 and through holding screw 12, then by screw thread
Fixture 6 is connected in the threaded hole on the working surface 11 of ultrasonic horn 3；
Step 2: a whole set of ultrasonic vibration installation is connected and fixed by support base 5 and the workbench of grinding machine tool, and
Workpiece surface 11 is kept to be in a horizontal state；
Step 3 opens ultrasonic-frequency power supply 9, and electric signal is changed into the ultrasonic vibration of horizontal direction by ultrasonic transducer 1.Ultrasound
Amplitude transformer 2 amplifies ultrasonic amplitude produced by ultrasonic transducer 1, and ultrasonic horn 3 loads work piece 7 and Threaded clamp 6 one
It rises and realizes integral level ultrasound resonance.
Step 4 is opened grinding machine realization grinding wheel rotary motion, and is realized by preset program to 7 upper surface of workpiece to be machined
Horizontal Grinding Process.
After step 5,7 grinding of workpiece to be machined, rises grinding wheel and stop operating, realize grinding wheel and work piece
Separation, close ultrasonic-frequency power supply, complete work piece 7 level of ultrasonic assistant grinding process.
The structure for the ultrasonic horn 3 that the utility model is told and the ultrasonic vibration of level of ultrasonic assistant grinding device are special
Property be all made of ANSYS simulation software carry out simulative optimization determine.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (9)
1. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant), which is characterized in that including the first ultrasonic transducer (1a), second
Ultrasonic transducer (1b), the first ultrasonic amplitude transformer (2a), the second ultrasonic amplitude transformer (2b), a ultrasonic horn (3), two methods
Blue support base (5), Threaded clamp (6), stud (8), ultrasonic-frequency power supply (9), horizontal rectangular blind hole (10), working surface
(11), holding screw (12), connect a flange support base (5) at the central flange (4) of the first ultrasonic amplitude transformer (2a), and second
Another flange support base (5), the first ultrasonic amplitude transformer (2a) and second are connected at the central flange (4) of ultrasonic amplitude transformer (2a)
The other end of ultrasonic amplitude transformer (2b) passes through stud (8) respectively and is symmetrically connected to ultrasonic horn (3) two sides, the first surpasses
Sonic transducer (1a) and the second ultrasonic transducer (1b) are respectively in the first ultrasonic amplitude transformer (2a) and the second ultrasonic amplitude transformer (2b)
One end far from the ultrasonic horn (3) connects, and the first ultrasonic transducer (1a) and the second ultrasonic transducer (1b) are all connected with
Ultrasonic-frequency power supply (9), Threaded clamp (6) are placed on the working surface (11) of ultrasonic horn (3), are led on working surface (11)
It crosses Threaded clamp (6) and fixes workpiece to be machined (7), it is by holding screw (12) that workpiece to be machined (7) and Threaded clamp (6) is solid
Knot.
2. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) as described in claim 1, which is characterized in that described the first to surpass
Sound amplitude transformer (2a) and the second ultrasonic amplitude transformer (2b) are conventional stepped ultrasonic amplitude transformer, and in stepped ultrasonic amplitude transformer
Portion is equipped with flange arrangement；Two flange support bases (5) respectively with the first ultrasonic amplitude transformer (2a) and the second ultrasonic amplitude transformer (2b)
Central flange (4) connection and for etc. high settings, be used to support entire level of ultrasonic vibration-assisted grinding processing unit (plant), and can lead to
Cross being connected and fixed for support base (5) bottom and grinding machine tool work top.
3. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) as described in claim 1, which is characterized in that the ultrasound becomes
The upper and lower surface and left and right ends of width device (3) are plane, and two sides are arc surface, arc radius 70-85mm；In two sides
The identical horizontal rectangular blind hole (10) of three sectional dimensions is respectively uniformly and symmetrically distributed on arc surface along short transverse, blind hole
Length is 124-127mm, is highly 2-4mm, and the distance of the vertical median plane of blind via bottom to ultrasonic horn (3) is 15mm, phase
The centreline space of adjacent blind hole in the height direction is away from for 8-12mm；The upper surface of ultrasonic horn is working face, in upper surface
Each uniformly distributed identical four to six threaded holes of dimensions in left and right ends, be used for connection screw thread fixture.
4. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) as claimed in claim 3, which is characterized in that the ultrasound becomes
In the threaded hole of width device (3) upper surface, the distance of center to the ultrasonic horn left and right ends of outermost side opening is 10-12mm,
The horizontal space 10-17mm, vertical spacing 8-12mm, diameter of thread 5-12mm at hole center.
5. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) as claimed in claim 3, which is characterized in that ultrasonic horn
(3) four to six threaded holes of upper surface are symmetric based on the horizontal and vertical center line in upper surface.
6. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) as claimed in claim 3, which is characterized in that the screw clamp
The lower end of tool (6) is connect by screw thread with the threaded hole of ultrasonic horn upper surface, and the top of Threaded clamp is thin wall circular knot
Structure, annulus height 4mm, wall thickness 3mm, inner diameter is identical as miniature workpiece outer diameter, for placing workpiece, and on annulus side wall
It is uniformly arranged the threaded hole of two M3, miniature workpiece and fixture are connected as an entirety by the way of holding screw fastening.
7. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) as described in claim 1, which is characterized in that described the first to surpass
Sonic transducer (1a) and the second ultrasonic transducer (1b) are Conventional piezoelectric formula ultrasonic transducer.
8. a kind of level of ultrasonic vibration-assisted grinding processing unit (plant) as described in claim 1, which is characterized in that ultrasonic amplitude of fluctuation
Bar, ultrasonic transducer and ultrasonic horn are all made of 20kHz frequency.
9. a kind of application method of level of ultrasonic vibration-assisted grinding processing unit (plant), which is characterized in that specifically includes the following steps:
Step 1: consolidating the two by work piece (7) in Threaded clamp (6) and through holding screw (12), then by spiral shell
Line fixture (6) is connected in the threaded hole on the working surface (11) of ultrasonic horn (3)；
Step 2: a whole set of ultrasonic vibration installation being connected and fixed by support base (5) and the workbench of grinding machine tool, and is protected
Workpiece surface (11) is held to be in a horizontal state；
Step 3 opens ultrasonic-frequency power supply (9), and electric signal is changed into the ultrasonic vibration of horizontal direction, ultrasonic amplitude of fluctuation by ultrasonic transducer
Bar amplifies ultrasonic amplitude produced by ultrasonic transducer, and ultrasonic horn (3) loads work piece (7) and Threaded clamp (6) one
It rises and realizes integral level ultrasound resonance；
Step 4 is opened grinding machine realization grinding wheel rotary motion, and is realized by preset program to workpiece to be machined (7) upper surface
Horizontal Grinding Process；
After step 5, workpiece to be machined (7) grinding, rises grinding wheel and simultaneously stop operating, realize grinding wheel and work piece
Ultrasonic-frequency power supply is closed in separation, completes the level of ultrasonic assistant grinding process of work piece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836728.1U CN208391691U (en) | 2018-05-31 | 2018-05-31 | A kind of level of ultrasonic vibration-assisted grinding processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836728.1U CN208391691U (en) | 2018-05-31 | 2018-05-31 | A kind of level of ultrasonic vibration-assisted grinding processing unit (plant) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208391691U true CN208391691U (en) | 2019-01-18 |
Family
ID=65134474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820836728.1U Expired - Fee Related CN208391691U (en) | 2018-05-31 | 2018-05-31 | A kind of level of ultrasonic vibration-assisted grinding processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208391691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788974A (en) * | 2018-05-31 | 2018-11-13 | 中国地质大学（武汉） | A kind of level of ultrasonic vibration-assisted grinding processing unit (plant) |
-
2018
- 2018-05-31 CN CN201820836728.1U patent/CN208391691U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788974A (en) * | 2018-05-31 | 2018-11-13 | 中国地质大学（武汉） | A kind of level of ultrasonic vibration-assisted grinding processing unit (plant) |
| CN108788974B (en) * | 2018-05-31 | 2023-01-03 | 中国地质大学（武汉） | Grinding machining device is assisted in horizontal ultrasonic vibration |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |