CN208895868U - Cutterhead for Ultrasonic machining - Google Patents
Cutterhead for Ultrasonic machining Download PDFInfo
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- CN208895868U CN208895868U CN201821607542.5U CN201821607542U CN208895868U CN 208895868 U CN208895868 U CN 208895868U CN 201821607542 U CN201821607542 U CN 201821607542U CN 208895868 U CN208895868 U CN 208895868U
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- cutterhead
- grinding part
- pedestal
- ultrasonic machining
- cutter head
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Abstract
The utility model relates to field of machining technology more particularly to a kind of cutterheads for Ultrasonic machining.The cutterhead for Ultrasonic machining includes cutterhead pedestal and the grinding part that is fixed on the cutterhead pedestal；The grinding part is in a ring；Circumferential direction along the grinding part, the grinding part are provided with multiple chip spaces far from one end of the cutterhead pedestal；The axial direction for extending perpendicularly to the grinding part of the chip space；Axial direction along the grinding part, the depth of the chip space are less than the thickness of the grinding part.The purpose of this utility model is to provide the cutterheads for Ultrasonic machining, to improve the precision of Ultrasonic machining and the service life of cutterhead.
Description
Technical field
The utility model relates to field of machining technology more particularly to a kind of cutterheads for Ultrasonic machining.
Background technique
Processing for superhard, the super special materials such as crisp, common processing technology processing effect is poor, low efficiency, Wu Faman
The requirement on machining accuracy of this kind of material of foot.Ultrasonic machining can be used for the processing to this kind of special material, and machining accuracy is high, efficiency
It is high.
Ultrasonic machining is to make the tool of small amplitude motion using supersonic frequency, and be free in liquid between workpiece by it
Abrasive material the knocking of surface to be machined is acted on, the special process for being crushed workpiece material surface gradually, English abbreviation USM.
Ordinary ultrasonic processing is to belong to the special process by liquid medium converted products, and application range is small, and it is wider to be not used in range
In machining, grinding, and structure is complicated for ultrasonic machine tool, at high price.Therefore, Ultrasonic machining and tool are rotated
The rotary ultrasonic machining mode to combine gradually has been more and more widely used.
Cutterhead for Ultrasonic machining is one of the main parts size of rotary ultrasonic machining mode；Knife for Ultrasonic machining
The superiority and inferiority of disk is directly related to the precision of Ultrasonic machining and the service life of cutterhead.
Therefore, the application provides a kind of new cutterhead for Ultrasonic machining regarding to the issue above, to improve Ultrasonic machining
Precision and cutterhead service life.
Utility model content
The purpose of this utility model is to provide the cutterheads for Ultrasonic machining, to improve the precision and knife of Ultrasonic machining
The service life of disk.
To achieve the goals above, the utility model provides following technical scheme；
Based on above-mentioned purpose, the cutterhead provided by the utility model for Ultrasonic machining, including cutterhead pedestal and fixation are set
Set the grinding part on the cutterhead pedestal；
The grinding part is in a ring；
Circumferential direction along the grinding part, the grinding part are provided with multiple chip spaces far from one end of the cutterhead pedestal；
The axial direction for extending perpendicularly to the grinding part of the chip space；
Axial direction along the grinding part, the depth of the chip space are less than the thickness of the grinding part.
In any of the above-described technical solution, optionally, along the axial direction perpendicular to the grinding part, the cutterhead pedestal is cut
Face is rounded；
The cutterhead pedestal is provided with cutter head center hole；The cutter head center hole, the cutterhead pedestal and the grinding part
Coaxial setting；
The cutter head center hole is cylindrical；Alternatively, the cutter head center hole is in truncated cone, the cutter head center hole
The surface of the cutterhead pedestal far from the grinding part is arranged in big section end.
In any of the above-described technical solution, optionally, the cutterhead for Ultrasonic machining includes cutterhead handle；
When the cutter head center hole is cylindrical or truncated cone, the cutterhead pedestal is provided with multiple cutterhead mounting holes,
The cutterhead handle is provided with the knife handle Assembly rail with cutter head center hole cooperation, and the cutterhead handle is additionally provided with and the cutterhead
The corresponding knife handle threaded hole of position of mounting hole, the cutterhead pedestal be provided with cutterhead mounting hole described in grafting and with the knife handle spiral shell
The screw that pit is spirally connected；
When the cutter head center hole is cylindrical or truncated cone, the cutterhead handle is provided with matches with the cutter head center hole
The knife handle Assembly rail of conjunction, the knife handle Assembly rail are connect with the cutter head center hole by cylindrical thread or tapered tread.
In any of the above-described technical solution, optionally, at least one is provided on the cutterhead pedestal and/or the grinding part
A stepped groove；
In a ring, and the stepped groove is using the axial direction of the grinding part as center axis for the stepped groove.
In any of the above-described technical solution, optionally, there is cutting edge at the notch of the chip space.
In any of the above-described technical solution, optionally, the cutting edge and perpendicular between the axial direction of the grinding part
The basil is 55 ° -90 °.
In any of the above-described technical solution, optionally, the axial direction along the grinding part, the depth of the chip space is described
The 20%-60% of the thickness of grinding part.
In any of the above-described technical solution, optionally, surface of the grinding part for contact workpiece is provided with diamond
Sand grains.
In any of the above-described technical solution, optionally, circumferential direction of multiple chip spaces along the grinding part is uniformly arranged.
In any of the above-described technical solution, optionally, the surface of the cutterhead pedestal far from the grinding part is parallel to institute
State surface of the grinding part far from the cutterhead pedestal.
By adopting the above technical scheme, the utility model has the beneficial effects that
Cutterhead provided by the utility model for Ultrasonic machining, including cutterhead pedestal and grinding part；It is remote by grinding part
One end from cutterhead pedestal is provided with multiple chip spaces along the circumferential direction of itself, a small amount of heat that when Ultrasonic machining that can both shed generates
The grindstone dust generated when measuring, and Ultrasonic machining can be discharged, has ensured workpiece processing quality, has improved the precision of Ultrasonic machining,
The service life of grinding part is also extended, and then extends the service life of cutterhead.Pass through extending perpendicularly to for chip space
The axial direction of grinding part and the depth of chip space are less than the thickness of grinding part, in order to which ultrasonic wave can be propagated preferably and make
Ultrasonic energy can be preferably applied to workpieces processing, further improve the precision of Ultrasonic machining.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective view of the cutterhead provided by the embodiment of the utility model for Ultrasonic machining；
Fig. 2 is the structural schematic diagram of the cutterhead provided by the embodiment of the utility model for Ultrasonic machining；
Fig. 3 is the A-A cross-sectional view of the cutterhead shown in Fig. 2 for Ultrasonic machining；
Fig. 4 is the area the B enlarged drawing of the cutterhead shown in Fig. 3 for Ultrasonic machining；
Fig. 5 is another structural schematic diagram of the cutterhead provided by the embodiment of the utility model for Ultrasonic machining；
Fig. 6 is another structural schematic diagram of the cutterhead provided by the embodiment of the utility model for Ultrasonic machining.
Icon: 110- cutterhead pedestal；111- cutter head center hole；112- cutterhead mounting hole；113- stepped groove；120- grinding
Portion；121- chip space；122- cutting edge；130- cutterhead handle；131- knife handle Assembly rail.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment
Referring to shown in Fig. 1-Fig. 6, present embodiments providing a kind of cutterhead for Ultrasonic machining；Fig. 1 is the utility model
The perspective view for the cutterhead for Ultrasonic machining that embodiment provides；Fig. 2 and Fig. 5 is provided by the embodiment of the utility model for surpassing
Two kinds of structural schematic diagrams of the cutterhead of sound processing；Wherein, Fig. 3 is the A-A section view of the cutterhead shown in Fig. 2 for Ultrasonic machining
Figure, Fig. 4 are the area the B enlarged drawing of the cutterhead shown in Fig. 3 for Ultrasonic machining；Fig. 6 is use provided by the embodiment of the utility model
Cutterhead handle is shown in the structural schematic diagram of the cutterhead of Ultrasonic machining, figure, wherein cutterhead handle does not do section view processing.
Cutterhead (hereinafter referred to as cutterhead) provided in this embodiment for Ultrasonic machining, can be applied to the rotation of machine tool
Turn Ultrasonic machining mode.
Referring to shown in Fig. 1-Fig. 6, the cutterhead for Ultrasonic machining includes cutterhead pedestal 110 and is fixed at cutterhead
Grinding part 120 on pedestal 110；Grinding part 120 is for being ground workpiece surface.
Grinding part 120 is in a ring；
Circumferential direction along grinding part 120, grinding part 120 are provided with multiple chip spaces 121 far from one end of cutterhead pedestal 110；
Optionally, the quantity of chip space 121 is 2-6；For example, the quantity of chip space 121 is 2,3,5,6 etc..
The axial direction for extending perpendicularly to grinding part 120 of chip space 121；Material is easier when due to Ultrasonic machining
It removes, by using the chip space 121 axial perpendicular to grinding part 120, in order to which ultrasonic wave can be propagated preferably and make ultrasound
Energy can be preferably applied to workpieces processing.
Axial direction along grinding part 120, the depth of chip space 121 are less than the thickness of grinding part 120.By controlling chip space
121 depth, in order to which ultrasonic wave can be propagated preferably and ultrasonic energy is allow to be preferably applied to workpieces processing.
Optionally, along the axial direction of grinding part 120, the depth of chip space 121 is the 20%-60% of the thickness of grinding part 120.
121 depth of chip space in 120 thickness 20%-60% of grinding part not only can be very good heat dissipation and chip removal, but also can make ultrasound
Wave energy is enough preferably to be propagated.
Optionally, grinding part 120 is in cylindrical annular or circular cone annular.
Optionally, circumferential direction of multiple chip spaces 121 along grinding part 120 is uniformly arranged.So that chip space 121 can be uniform
Heat dissipation improves the stability of cutterhead rotation to a certain extent, and then ensures the machining accuracy of workpiece.
The cutterhead of Ultrasonic machining, including cutterhead pedestal 110 and grinding part 120 are used for described in the present embodiment；Pass through grinding
The one end of portion 120 far from cutterhead pedestal 110 is provided with multiple chip spaces 121 along the circumferential direction of itself, and can both shed Ultrasonic machining
When a small amount of heat for generating, and the grindstone dust that when Ultrasonic machining can be discharged generates ensured workpiece processing quality, improved super
The precision of sound processing, also extends the service life of grinding part 120, and then extend the service life of cutterhead.Pass through chip space
121 axial direction for extending perpendicularly to grinding part 120 and the depth of chip space 121 are less than the thickness of grinding part 120, with
Convenient for ultrasonic wave can be propagated preferably and ultrasonic energy is allow to be preferably applied to workpieces processing, further improves ultrasound and add
The precision of work.
It is used for the cutterhead of Ultrasonic machining described in the present embodiment, ultrasonic wave propagation principle is met in structure, meets ultrasound
The frequency equation of wave.This is used for the cutterhead of Ultrasonic machining, and the heat generated in Ultrasonic machining workpiece is relatively low, cooling
Can be good, the workpiece accuracy of processing is higher, efficiency is more preferable.
In the optinal plan of the present embodiment, along the axial direction perpendicular to grinding part 120, the section of cutterhead pedestal 110 is rounded；
Optionally, cutterhead pedestal 110 is provided with cutter head center hole 111；Cutter head center hole 111, cutterhead pedestal 110 and grinding
The coaxial setting in portion 120；By cutter head center hole 111, cutterhead pedestal 110 and the coaxial setting in grinding part 120, so that the rotation of cutterhead
It is more stable, and then ensure the machining accuracy of workpiece.
Optionally, cutter head center hole 111 is cylindrical；Alternatively, cutter head center hole 111 is in truncated cone, cutter head center hole
Surface of the cutterhead pedestal 110 far from grinding part 120 is arranged in 111 big section end.
In the optinal plan of the present embodiment, the cutterhead for Ultrasonic machining includes cutterhead handle 130；Pass through cutterhead handle
130, cooperated with being used in the cutterhead of Ultrasonic machining and more easily being assembled with knife handle.
Shown in referring to figs. 5 and 6, optionally, when cutter head center hole 111 is cylindrical or truncated cone, cutterhead pedestal 110
Multiple cutterhead mounting holes 112 are provided with, cutterhead handle 130 is provided with the knife handle Assembly rail 131 cooperated with cutter head center hole 111, knife
Disk handle 130 is additionally provided with knife handle threaded hole corresponding with 112 position of cutterhead mounting hole, and cutterhead pedestal 110 is provided with grafting cutterhead
Mounting hole 112 and screw with knife handle screw hole；The quantity of the quantity of knife handle threaded hole and screw and cutterhead mounting hole 112
It is identical.Cutterhead handle 130 and cutterhead pedestal 110, are positioned by 131 grafting cutter head center hole 111 of knife handle Assembly rail, are guaranteed
The concentricity of cutterhead handle 130 and cutterhead pedestal 110 improves the stability of cutterhead rotation to a certain extent, and then ensures
The machining accuracy of workpiece.Cutterhead handle 130 and cutterhead pedestal 110, pass through screw grafting cutterhead mounting hole 112 and the knife handle screw thread that is spirally connected
Hole is fixed, and improves the firmness that cutterhead handle 130 is connect with cutterhead pedestal 110, improves cutterhead rotation to a certain extent
Stability, and then ensure workpiece machining accuracy.
Optionally, cutter head center hole 111 and knife handle Assembly rail 131 are interference fitted.
Optionally, the quantity of cutterhead mounting hole 112 is 2-6；For example, cutterhead mounting hole 112 is 2,3,5,6
It is a etc..
Optionally, multiple cutterhead mounting holes 112 are using the axial direction of grinding part 120 as center axis, and multiple cutterhead mounting holes 112
It is uniformly arranged；So that cutterhead pedestal 110 assembled with cutterhead handle 130 it is stronger, improve to a certain extent cutterhead rotation
Stability, and then ensure the machining accuracy of workpiece.
Shown in Figure 3, optionally, when cutter head center hole 111 is cylindrical or truncated cone, cutterhead handle 130 is provided with
The knife handle Assembly rail 131 cooperated with cutter head center hole 111, knife handle Assembly rail 131 and cutter head center hole 111 by cylindrical thread or
Tapered tread connection.It is spirally connected by cylindrical thread or tapered tread, simplifies the structure of cutterhead handle 130 Yu cutterhead pedestal 110, just
It can preferably be propagated in ultrasonic wave and ultrasonic energy is allow to be preferably applied to workpieces processing, improve the essence of Ultrasonic machining
Degree.
It is shown in Figure 4, in the optinal plan of the present embodiment, be provided on cutterhead pedestal 110 and/or grinding part 120 to
A few stepped groove 113；That is, cutterhead pedestal 110 is provided at least one stepped groove 113 or grinding part 120 is arranged
Have and is provided at least one stepped groove 113 at least one stepped groove 113 or cutterhead pedestal 110 and grinding part 120.It is logical
Stepped groove 113 is crossed, in order to measure end face run-out and the circularity bounce of cutterhead, consequently facilitating adjustment cutterhead or knife handle in time,
So that cutterhead rotation is more stable, and then ensure the machining accuracy of workpiece.
Optionally, in a ring, and stepped groove 113 is using the axial direction of grinding part 120 as center axis for stepped groove 113.
In the optinal plan of the present embodiment, there is cutting edge 122 at the notch of chip space 121.Pass through cutting edge 122, energy
It is enough that workpiece surface high point is cut, so that the cutting played between buffering cutterhead and workpiece is collided, ensure the processing of workpiece
Precision.
In the optinal plan of the present embodiment, cutting edge 122 and perpendicular to the basil between the axial direction of grinding part 120 be 55 °-
The basil between 90 ° namely cutting edge 122 and the radial direction of grinding part 120 is 55 ° -90 °.By the different basils, can improve
The precision of workpiece surface, and reduce the cutting collision between cutting edge 122 and workpiece and the vibration of generation.
Optionally, cutting edge 122 and perpendicular to the basil between the axial direction of grinding part 120 for example can for 55 °, 60 °,
70 °, 85 ° or 90 ° or other angles.
Cutting edge 122 and perpendicular to the basil between the axial direction of grinding part 120, can material according to workpiece, workpiece requirement
The factors such as machining accuracy depending on.
In the optinal plan of the present embodiment, surface of the grinding part 120 for contact workpiece is provided with diamond grit.Due to
Diamond gravel is capable of providing good hardness and wear-resisting property, to ensure the service life of grinding part 120.
In the optinal plan of the present embodiment, it is remote to be parallel to grinding part 120 for surface of the cutterhead pedestal 110 far from grinding part 120
Surface from cutterhead pedestal 110；To improve the stability of cutterhead rotation, and then ensure the machining accuracy of workpiece.
In the optinal plan of the present embodiment, the periphery of the one end of grinding part 120 far from cutterhead pedestal 110 is provided with radius and is
The rounded corner of 1.5mm-3mm.Grinding part 120 can be improved intensity and the cutting longevity of grinding part 120 using the design of rounded corner
Life, effectively extends the service life of grinding part 120.
The present embodiment in order to better understand has carried out cutterhead performance test below:
Processing object: 100mm × 100mm glass surface；
Test and comparison cutter: choose normal diamond sharpening disk, without chip space cutterhead, have chip space without cutting angle of throat
Disk has chip space to have cutting edge cutterhead (basil of cutting edge is 90 degree), have chip space to have the cutting edge cutterhead (basil of cutting edge
Be 70 degree), there is chip space to have cutting edge cutterhead (basil of cutting edge is 60 degree) each ten that cutter is tested.
It should be noted that the grinding part diameter of above-mentioned test cutterhead is identical namely cutterhead is straight in the grinding of glass surface
Diameter is identical.
Test table
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.In addition, it will be appreciated by those of skill in the art that although some implementations described herein
Example includes certain features included in other embodiments rather than other feature, but the group of the feature of different embodiments is desirable
Taste within the scope of the utility model and form different embodiments.For example, in claims above, institute
Claimed embodiment it is one of any can in any combination mode come using.It is disclosed in the background technology part
Information is merely intended to deepen the understanding to the general background technology of the utility model, and is not construed as recognizing or with any shape
Formula implies that the information constitutes the prior art known to those skilled in the art.
Claims (10)
1. a kind of cutterhead for Ultrasonic machining, which is characterized in that including cutterhead pedestal and be fixed at the cutterhead pedestal
On grinding part；
The grinding part is in a ring；
Circumferential direction along the grinding part, the grinding part are provided with multiple chip spaces far from one end of the cutterhead pedestal；
The axial direction for extending perpendicularly to the grinding part of the chip space；
Axial direction along the grinding part, the depth of the chip space are less than the thickness of the grinding part.
2. the cutterhead according to claim 1 for Ultrasonic machining, which is characterized in that along the axis perpendicular to the grinding part
To the section of the cutterhead pedestal is rounded；
The cutterhead pedestal is provided with cutter head center hole；The cutter head center hole, the cutterhead pedestal and the grinding part are coaxial
Setting；
The cutter head center hole is cylindrical；Alternatively, the cutter head center hole is in truncated cone, the big of the cutter head center hole is cut
The surface of the cutterhead pedestal far from the grinding part is arranged in face end.
3. the cutterhead according to claim 2 for Ultrasonic machining, which is characterized in that including cutterhead handle；
When the cutter head center hole is cylindrical or truncated cone, the cutterhead pedestal is provided with multiple cutterhead mounting holes, described
Cutterhead handle is provided with the knife handle Assembly rail with cutter head center hole cooperation, and the cutterhead handle is additionally provided with to be installed with the cutterhead
The corresponding knife handle threaded hole in hole site, the cutterhead pedestal be provided with cutterhead mounting hole described in grafting and with the knife handle threaded hole
The screw being spirally connected；
When the cutter head center hole is cylindrical or truncated cone, the cutterhead handle is provided with and cutter head center hole cooperation
Knife handle Assembly rail, the knife handle Assembly rail are connect with the cutter head center hole by cylindrical thread or tapered tread.
4. the cutterhead according to claim 1 for Ultrasonic machining, which is characterized in that the cutterhead pedestal and/or described
At least one stepped groove is provided on grinding part；
In a ring, and the stepped groove is using the axial direction of the grinding part as center axis for the stepped groove.
5. the cutterhead according to claim 1 for Ultrasonic machining, which is characterized in that have at the notch of the chip space
Cutting edge.
6. the cutterhead according to claim 5 for Ultrasonic machining, which is characterized in that the cutting edge with perpendicular to described
The basil between the axial direction of grinding part is 55 ° -90 °.
7. the cutterhead according to claim 1 for Ultrasonic machining, which is characterized in that the axial direction along the grinding part, institute
The depth of chip space is stated as the 20%-60% of the thickness of the grinding part.
8. the cutterhead according to claim 1 for Ultrasonic machining, which is characterized in that the grinding part is used for contact workpiece
Surface be provided with diamond grit.
9. the cutterhead according to claim 1 for Ultrasonic machining, which is characterized in that multiple chip spaces are along the mill
The circumferential direction for cutting portion is uniformly arranged.
10. the cutterhead according to claim 1 for Ultrasonic machining, which is characterized in that the cutterhead pedestal is far from described
The surface of grinding part is parallel to surface of the grinding part far from the cutterhead pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607542.5U CN208895868U (en) | 2018-09-29 | 2018-09-29 | Cutterhead for Ultrasonic machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607542.5U CN208895868U (en) | 2018-09-29 | 2018-09-29 | Cutterhead for Ultrasonic machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208895868U true CN208895868U (en) | 2019-05-24 |
Family
ID=66574484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821607542.5U Expired - Fee Related CN208895868U (en) | 2018-09-29 | 2018-09-29 | Cutterhead for Ultrasonic machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208895868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890523A (en) * | 2018-09-29 | 2018-11-27 | 广州汇专工具有限公司 | Cutterhead for Ultrasonic machining |
| CN110355621A (en) * | 2019-07-17 | 2019-10-22 | 大连理工大学 | A kind of combinated grinding wheel and its design method for Ultrasonic machining |
-
2018
- 2018-09-29 CN CN201821607542.5U patent/CN208895868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890523A (en) * | 2018-09-29 | 2018-11-27 | 广州汇专工具有限公司 | Cutterhead for Ultrasonic machining |
| CN110355621A (en) * | 2019-07-17 | 2019-10-22 | 大连理工大学 | A kind of combinated grinding wheel and its design method for Ultrasonic machining |
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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: 20190524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |