CN106583866B - A kind of flexible flat rolling tool with electric spark deposition - Google Patents
A kind of flexible flat rolling tool with electric spark deposition Download PDFInfo
- Publication number
- CN106583866B CN106583866B CN201611168448.XA CN201611168448A CN106583866B CN 106583866 B CN106583866 B CN 106583866B CN 201611168448 A CN201611168448 A CN 201611168448A CN 106583866 B CN106583866 B CN 106583866B
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- handle
- electrode
- knife
- idler wheel
- mounting base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/10—Electrodes specially adapted therefor or their manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of flexible flat rolling tool with electric spark deposition, including handle of a knife and cutter head, the upper end of the handle of a knife is equipped with the threaded hole being connect with machine tool chief axis, the cutter head includes handle of a knife link block, roll wheel assembly, flexible guiding component and electrode, the handle of a knife link block is located at the lower section of the handle of a knife and is fixedly connected with handle of a knife, and the electrode is connect with electrode for electric installation；The idler wheel mounting base is equipped with centre bore along axis, and the electrode is moving up and down to be located in the centre bore, and the upper end of the electrode is equipped with electrode sleeve, and the upper surface of the electrode sleeve is the inclined-plane at 45 degree of inclinations angle；The inclination angle of the front end face of the adjustment bar fits for 45 degree and with the upper surface of electrode sleeve；Meanwhile the rear end face magnetism of the front end face and the electrode sleeve of the adjustment bar is attracting.The present invention provide a kind of quality on workpieces processing surface preferably, avoid what lathe shook there is the flexible flat rolling tool of electric spark deposition.
Description
Technical field
The present invention relates to a kind of plane rolling tool, especially a kind of flexible flat rolling with electric spark deposition
Cutter.
Background technology
Rolling process refers to that under the action of rolling tool forced plasticity deforming occurs for external force inducing metal material surface, passes through
The nonequilibrium defects such as dislocation, fault of Plastic Flow activation crystals of nearly skin-material, by dislocation multiplication, twin, sliding
The crystallography movement such as move and the big crystal boundary in small angle be gradually cut into the small crystal boundary in big angle, realize surface big crystal grain be divided be refined as it is ultra-fine
It is brilliant or nanocrystalline.Rolling and processing is one kind of chipless processing, it can not only reach very high finish, but also can improve quilt
Process the mechanical performance of part --- case hardness, the fatigue behaviour of material, material corrosion resistance etc..The essence of rolling process
It is using high rigidity without sword tool --- ball or idler wheel make it cause partial high pressure to workpiece to be machined surface.Due to work
Tool is rolled along surface to be machined, forms the elastic-plastic deformation of surfacing, previous process is made to stay the microcosmic hill in surface
It is rolled, and the surface layer grain of material is made to become smaller, ultimately become nanocrystalline.
Rolling tool is connect by the main shaft of the lathes such as handle of a knife and milling machine, and band dynamic cutter head rotates, so as to on dynamic cutter head
Idler wheel realizes rolling and processing in workpiece surface rolling.Rolling tool is generally divided into two kinds of rigidity and elasticity.For rigid structure
Rolling tool, be suitable only for rolling coarse part, traditional stitching is inelastic, and processing is rigid, easily makes work
Part surface generates the defects of " point ", " peeling ".During rigidity rolling, process system poor rigidity will cause to roll the fluctuation of power, make
Surface quality is uneven.When the rolling power of idler wheel and the material of rolling part hook very much, good rolling effect could be obtained.Cause
This, in the high rolling and processing of surface quality requirements, selects flexible rolling tools, and flexible rolling tools can rise in the rolling process
To the effect of buffering, idler wheel can be made to keep identical rolling quantity, surface of test piece deflection is consistent, therefore can obtain uniform finishing
Rolling surface, but the drawback is that with relatively low amendment form error.Due to being mounted with elastic element in structure, can keep away
The huge fluctuation of rolling power, to a certain extent, can also suitably mitigate rolling tools caused by exempting from lathe vibrations, material unevenness
The impact being subject in process.
Electric spark deposition is the technique for directly carrying out deposition processes to metallic surface using the high density energy of electric energy.It
It is the energy for directly utilizing spark discharge, electrode material is transferred to working surface, forms the deposition method of sedimentary.Electrode material
Material generates metallurgical binding with workpiece material and forms sedimentary.Due to forming the surface deposits of the alloying containing electrode material, make
Physical property, chemical property and the mechanical property of workpiece surface are improved, and the microstructure and mechanical property of its center portion does not occur
Variation.But the deposit thickness of traditional electric spark deposition is small, sedimentation time is long, surface roughness is low, so there is many defects.
And after material surface carries out rolling and processing, the coarse-grain on surface is refined into nanocrystalline, and there are a large amount of crystal boundary, three in nanocrystal
Crystal boundary and nonequilibrium defect are pitched, it can be as the channel of atoms permeating.The more conventional coarse-grain of atom has bigger in nanocrystal
Activity, the atom mobility on a large amount of crystal boundaries is very big, and atom is easily separated from lattice constraint, is more easy to spread.Research shows that atom exists
The nanocrystalline middle more conventional coarse-grain of diffusion is easy, is mainly manifested in diffusion coefficient raising, diffusion activation energy reduces.
Invention content
To overcome the shortcomings of existing rolling tool there are lathe vibrations, the present invention provides a kind of quality on workpieces processing surface
Preferably, avoid lathe vibrations has the function of the flexible flat rolling tool of electric spark deposition.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of flexible flat rolling tool with electric spark deposition, including handle of a knife and cutter head, the handle of a knife it is upper
End is equipped with the threaded hole being connect with machine tool chief axis, and the cutter head includes handle of a knife link block, roll wheel assembly, flexible guiding component and electricity
Pole, the handle of a knife link block are located at the lower section of the handle of a knife and are fixedly connected with handle of a knife, and the electrode connects with electrode for electric installation
It connects；
The roll wheel assembly includes idler wheel mounting base and two idler wheels, and the idler wheel mounting base is T-shaped, the idler wheel installation
The lower end of seat is respectively arranged on the left side and the right side rolling wheel installing shaft, and two idler wheels are installed in rotation on the left and right of the idler wheel mounting base
Both sides are simultaneously arranged symmetrically；The idler wheel mounting base along axis be equipped with centre bore, the electrode it is moving up and down be located at it is described in
In heart hole, the upper end of the electrode is equipped with electrode sleeve, and the upper surface of the electrode sleeve is the inclined-plane at 45 degree of inclinations angle；The idler wheel
The top surface of mounting base is equipped with guide groove along front-rear direction, and adjustment bar is mounted in the guide groove, the rear end of the adjustment bar
Face is equipped with slot, and the front end for adjusting screw is equipped with boss, and the adjustment screw simultaneously may be used certainly to the preceding rear wall across guide groove afterwards
It is rotationally mounted on guide groove, the boss on the adjustment screw is connected in the slot of the adjustment bar, the adjustment bar
Front end face inclination angle 45 degree and to fit with the upper surface of electrode sleeve；Meanwhile it is described adjustment bar front end face with it is described
The upper surface magnetism of electrode sleeve is attracting；
The idler wheel mounting base is located at the lower section of the handle of a knife link block, the idler wheel mounting base and the handle of a knife link block
Between be equipped with gap, the idler wheel mounting base by move up and down component it is moving up and down be mounted on handle of a knife link block on；
The flexible guiding component includes lead, spring and ball sleeve, and the upper end of the idler wheel mounting base is provided with ball
Mounting groove is covered, the ball sleeve is located in the ball sleeve mounting groove, the upper end of the lead and the handle of a knife link block mistake
It is full of cooperation, the lower end of the lead is extend into across spring in ball sleeve, and the upper end of the spring is contacted in handle of a knife link block
On, the lower end of the spring is contacted in idler wheel mounting base.
Further, the idler wheel mounting base is equipped with through-hole, and the component that moves up and down includes contour sleeve and positioning spiral shell
Bolt, the upper end of the contour sleeve are contacted on the handle of a knife link block, and the through-hole of the idler wheel mounting base is moving up and down
On the lower end of the contour sleeve, the positioning bolt is fixed on handle of a knife link block across contour sleeve from bottom to top
On, the bolt head of the positioning bolt is withstood on the lower face of the contour sleeve.
Further, two idler wheels are installed in rotation on by bearing on rolling wheel installing shaft respectively, the bearing and rolling
The abutment sleeve positioned for bearing is additionally provided between the lower end of wheel mounting base, the left and right ends of the rolling wheel installing shaft lead to respectively
Cross locking nut locking.
Beneficial effects of the present invention：It can be shaken to avoid lathe, the huge fluctuation of rolling power caused by material unevenness,
To a certain extent, the impact that rolling tools are subject in process can also suitably be mitigated；And it can also realize that rolling adds
Work and electric spark deposition Combined process.
Description of the drawings
Fig. 1 is a kind of sectional view of flexible flat rolling tool with electric spark deposition.
Fig. 2 is the sectional side view of Fig. 1.
Fig. 3 is the enlarged drawing of idler wheel in Fig. 1.
Fig. 4 is the front view of handle of a knife, wherein left part section.
Fig. 5 is the right view of Fig. 4.
Fig. 6 is the vertical view of Fig. 4.
Fig. 7 is the sectional view of idler wheel mounting base.
Fig. 8 is the vertical view of Fig. 7.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail.
With reference to Fig. 1~Fig. 8, a kind of flexible flat rolling tool with electric spark deposition, including handle of a knife 1 and knife
Head, the upper end of the handle of a knife 1 are equipped with the threaded hole being connect with machine tool chief axis, and the cutter head includes handle of a knife link block 3, roller group
Part, flexible guiding component and electrode 16, the handle of a knife link block 3 are located at the lower section of the handle of a knife 1 and are fixedly connected with handle of a knife 1,
The electrode 16 is connect with electrode for electric installation；
The roll wheel assembly includes idler wheel mounting base 15 and two idler wheels 13, and the idler wheel mounting base is T-shaped, the idler wheel
The lower end of mounting base 15 is respectively arranged on the left side and the right side rolling wheel installing shaft, and two idler wheels 13 are installed in rotation on the idler wheel installation
The left and right sides of seat 15 is simultaneously arranged symmetrically；The idler wheel mounting base 15 along axis be equipped with centre bore, the electrode 16 can on move down
Dynamic is located in the centre bore, and the upper end of the electrode 16 is equipped with electrode sleeve 17, and the upper surface of the electrode sleeve 17 is 45 degree
The inclined-plane at inclination angle；The top surface of the idler wheel mounting base 15 is equipped with guide groove along front-rear direction, and adjustment bar 9 is mounted on described lead
Into slot, the rear end face of the adjustment bar 9 is equipped with slot, and the front end of adjustment screw 10 is equipped with boss, the adjustment screw 10
It from rear to preceding across the rear wall of guide groove and is rotatably installed on guide groove, the boss on the adjustment screw 10 is connected to
In the slot of the adjustment bar 9, the inclination angle of the front end face of the adjustment bar 9 is affixed for 45 degree and with the upper surface of electrode sleeve 17
It closes；Meanwhile the upper surface magnetism of the front end face and the electrode sleeve 17 of the adjustment bar 9 is attracting；
The idler wheel mounting base 15 is located at the lower section of the handle of a knife link block 3, the idler wheel mounting base 15 and the handle of a knife
Gap is equipped between link block 3, the idler wheel mounting base 15 connects by moving up and down the component handle of a knife moving up and down that is mounted on
It connects on block；
The flexible guiding component includes lead 4, spring 5 and ball sleeve 6, and the upper end of the idler wheel mounting base 15 is provided with
Ball sleeve mounting groove, the ball sleeve 6 are located in the ball sleeve mounting groove, and upper end and the handle of a knife of the lead 4 connect
It connects block 3 to be interference fitted, the lower end of the lead 4 is extend into across spring 5 in ball sleeve 6, and the upper end of the spring 5 contacts
On handle of a knife link block 3, the lower end of the spring 5 is contacted in idler wheel mounting base 15.
Further, the idler wheel mounting base 15 is equipped with through-hole, and the component that moves up and down includes contour sleeve 8 and positioning
Bolt 7, the upper end of the contour sleeve 8 are contacted on the handle of a knife link block 3, and the through-hole of the idler wheel mounting base 15 can be upper and lower
It is mobile on the lower end of the contour sleeve 8, the positioning bolt 7 is fixed on knife across contour sleeve 8 from bottom to top
On handle link block 3, the bolt head of the positioning bolt 7 is withstood on the lower face of the contour sleeve 8.
Further, two idler wheels 13 are installed in rotation on by bearing 12 on rolling wheel installing shaft respectively, the bearing
The abutment sleeve 14 positioned for bearing, the left and right of the rolling wheel installing shaft are additionally provided between 12 and the lower end of idler wheel mounting base 15
It is locked respectively by locking nut 11 at both ends.
Such as Fig. 1, Fig. 4, Fig. 5 and Fig. 6, handle of a knife 1 is provided with threaded hole into cone shape, upper end center, can be set by milling machine etc.
Standby main shaft institute clamping, the shaped upper part of handle of a knife link block 3 mutually agree with handle of a knife 1.The bottom of handle of a knife 1 is equipped with guide cylinder, protects
It demonstrate,proves the concentricity of handle of a knife 1 and handle of a knife link block 3 and is positioned convenient for each threaded hole；There is rectangular block the bottom of handle of a knife 1, for passing
Pass torque and rotating speed；As long as handle of a knife 1 and 3 corresponding boss of handle of a knife link block are aligned with step and are closed when installation
.Handle of a knife 1 and handle of a knife link block 3 are connected by upright hexagon socket head cap screw 2, and 3 top of handle of a knife link block is provided with 4 threaded holes and uses
To be connected with handle of a knife 1.
As shown in Fig. 2, Fig. 7 and Fig. 8, on the threaded hole of guide groove that adjustment screw 10 is positioned on 15 upper end of idler wheel mounting base,
Then guide groove of the bar 9 along 15 upper end of idler wheel mounting base will be adjusted to put in so that the boss of 10 front end of adjustment screw is put into
In the slot for adjusting the rear end of bar 9, it can to adjust the linear displacement with adjustment 10 rotation angle of screw of bar 9.It adjusts
Whole screw 10 rotates by a certain angle forward, and adjustment bar 9 will advance forward certain distance, and vice versa.Electrode 16, electrode sleeve 17
It is connected as a single entity, then penetrated electrode sleeve 17 from down from the through-hole among idler wheel mounting base 15 upward, electrode with special method
Set 17 and adjustment bar 9 are magnetic can be attracting, so until making electrode sleeve 17 and adjustment bar 9 attracting.When rotation adjusts spiral shell forward
During silk 10, adjustment bar 9 will advance forward certain distance, electrode sleeve 17 can band moving electrode 16 move down same distance, when
When back rotation adjusts screw 10, adjustment bar 9 will move backward certain distance, because magnetic force is attracting, electrode sleeve 17 can drive
Electrode 16 moves up same distance.Because electrode can be lost when electric spark deposition, need to adjust the position of electrode,
In the hope of best deposition effect.
As shown in figure 3,15 lower end of idler wheel mounting base is respectively arranged on the left side and the right side rolling wheel installing shaft, idler wheel mounting base 15 by
The side of nearly rolling wheel installing shaft is equipped with small boss, and abutment sleeve 14 first is penetrated rolling wheel installing shaft and is come on boss, will be special
Being nested together for idler wheel 13 and bearing 12 interference fit of shape, then penetrates rolling wheel installing shaft by bearing 12, comes to positioning sleeve
On cylinder 14.Finally locking nut 11 is screwed on, two abutment sleeves 14 will ensure the symmetry of two idler wheels 13.
As depicted in figs. 1 and 2, there are three circular holes for 3 lower end of handle of a knife link block, and the upper end of three leads 4 is inserted into three
Circular hole, since lead 4 and circular hole are interference fits, so certain method is needed to be inserted into, the upper end of three leads 4 is complete
It is fully inserted into.Three holes in idler wheel mounting base 15 corresponding to 3 lower end of handle of a knife link block also are provided with three ball sleeve mounting grooves, by three
A ball sleeve 6 is inserted into three ball sleeve mounting grooves, is then inserted into the lower end of three leads 4 is corresponding in ball sleeve 6,
Then contour sleeve 8 is inserted into the through-hole of idler wheel mounting base 15, pushed up always on 3 bottom surface of handle of a knife link block, then by interior six
Corner bolt 5 is passed through from contour sleeve 8 and is connect with the threaded hole of handle of a knife link block 3, bolt head is screwed to always on contour sleeve 8,
Make idler wheel mounting base 15 without departing from cutter.Cause idler wheel mounting base 15 in Z because positioning bolt 7 is the presence of hexagon socket head cap screw
There are one lower limits on axis, have certain gap in the lower surface of 15 upper surface of idler wheel mounting base and handle of a knife link block 3, centre is by three
A spring 5 separates, and such idler wheel mounting base 15 is codetermined in the displacement of Z axis by rolling power and spring rate.
The present invention the course of work be：Handle of a knife 1 is connected with milling machine spindle, and rotating speed is transmitted on handle of a knife 1 by milling machine spindle, knife
Handle 1 is passed to rotating speed on handle of a knife link block 3 by hexagon socket head cap screw 2, and rotating speed is passed to rolling by handle of a knife link block 3 by lead 4
It takes turns in mounting base, then rotating speed is transmitted on idler wheel 14 by idler wheel mounting base by rolling wheel installing shaft 11.
Electrode 16 is powered at the beginning of rolling, electric spark deposition is to gold directly using the high density energy of electric energy
The technique that the surface of category carries out deposition processes., using electrode material as working electrode, the metal works for being allowed to and being deposited are (cloudy for it
Pole) between generate spark discharge, directly utilize the energy of spark discharge, electrode material be transferred to working surface, forms deposition
The deposition method of layer.Electrode material generates metallurgical binding with workpiece material and forms sedimentary.Due to forming the conjunction containing electrode material
The surface deposits of aurification, make the physical property, chemical property and mechanical property of workpiece surface be improved, and the group of its center portion
It knits and does not change with mechanical property.Side rolls limit electro-deposition can deepen surface deposits thickness, and binder course forms speed and adds
Soon.
Screw 10 is adjusted by rotation to adjust adjustment bar 9, it is 45 degree of contacts to adjust bar 9 and electrode sleeve 17, when adjustment bar 9
During forward movement, the power of 17 1 45 degree of electrode sleeve will be given, 17 lower half portion of electrode sleeve can not be pushed to front in hole,
So downward component will push down on electrode sleeve 17.When adjustment bar 9 moves backward, because of adjustment bar 9 and electrode sleeve 17
Be magnetic attracting, will give 17 1 45 degree of electrode sleeve power, 17 lower half portion of electrode sleeve in hole, can not be pulled to behind,
So upward component will pull up electrode sleeve 17.
Claims (3)
1. a kind of flexible flat rolling tool with electric spark deposition, including handle of a knife and cutter head, the upper end of the handle of a knife
Equipped with the threaded hole being connect with machine tool chief axis, it is characterised in that：The cutter head, which includes handle of a knife link block, roll wheel assembly, flexibility, leads
To component and electrode, the handle of a knife link block is located at the lower section of the handle of a knife and is fixedly connected with handle of a knife, the electrode and electrode
It is connected for electric installation；
The roll wheel assembly includes idler wheel mounting base and two idler wheels, the idler wheel mounting base to be T-shaped, the idler wheel mounting base
Lower end is respectively arranged on the left side and the right side rolling wheel installing shaft, and two idler wheels are installed in rotation on the left and right sides of the idler wheel mounting base
And it is arranged symmetrically；The idler wheel mounting base is equipped with centre bore along axis, and the electrode is moving up and down to be located at the centre bore
Interior, the upper end of the electrode is equipped with electrode sleeve, and the upper surface of the electrode sleeve is the inclined-plane at 45 degree of inclinations angle；The idler wheel installation
The top surface of seat is equipped with guide groove along front-rear direction, and adjustment bar is mounted in the guide groove, on the rear end face of the adjustment bar
Equipped with slot, the front end for adjusting screw is equipped with boss, and the adjustment screw is certainly rear to the preceding rear wall across guide groove and rotatable
Ground is mounted on guide groove, and the boss on the adjustment screw is connected in the slot of the adjustment bar, before the adjustment bar
The inclination angle of end face fits for 45 degree and with the upper surface of electrode sleeve；Meanwhile front end face and the electrode of the adjustment bar
The upper surface magnetism of set is attracting；
The idler wheel mounting base is located at the lower section of the handle of a knife link block, between the idler wheel mounting base and the handle of a knife link block
Equipped with gap, by moving up and down, component is moving up and down to be mounted on handle of a knife link block the idler wheel mounting base；
The flexible guiding component includes lead, spring and ball sleeve, and the upper end of the idler wheel mounting base is provided with ball sleeve peace
Tankage, the ball sleeve are located in the ball sleeve mounting groove, and the upper end of the lead is matched with the handle of a knife link block interference
It closes, the lower end of the lead is extend into across spring in ball sleeve, and the upper end of the spring is contacted on handle of a knife link block, institute
The lower end for stating spring is contacted in idler wheel mounting base.
2. a kind of flexible flat rolling tool with electric spark deposition as described in claim 1, it is characterised in that：Institute
Idler wheel mounting base is stated equipped with through-hole, the component that moves up and down includes contour sleeve and positioning bolt, the contour sleeve
Upper end is contacted on the handle of a knife link block, and the through-hole of the idler wheel mounting base is moving up and down to be mounted on the contour sleeve
Lower end on, the positioning bolt is fixed on across contour sleeve on handle of a knife link block from bottom to top, the spiral shell of the positioning bolt
The bolt crown is on the lower face of the contour sleeve.
3. a kind of flexible flat rolling tool with electric spark deposition as claimed in claim 1 or 2, feature exist
In：Two idler wheels are installed in rotation on by bearing on rolling wheel installing shaft respectively, the bearing and the lower end of idler wheel mounting base
Between be additionally provided with the abutment sleeve positioned for bearing, the left and right ends of the rolling wheel installing shaft are locked respectively by locking nut
Tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168448.XA CN106583866B (en) | 2016-12-16 | 2016-12-16 | A kind of flexible flat rolling tool with electric spark deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168448.XA CN106583866B (en) | 2016-12-16 | 2016-12-16 | A kind of flexible flat rolling tool with electric spark deposition |
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| Publication Number | Publication Date |
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| CN106583866A CN106583866A (en) | 2017-04-26 |
| CN106583866B true CN106583866B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611168448.XA Active CN106583866B (en) | 2016-12-16 | 2016-12-16 | A kind of flexible flat rolling tool with electric spark deposition |
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| CN2487476Y (en) * | 2001-08-07 | 2002-04-24 | 宋恩辉 | Adjustable boring cutting polishing head |
| CN2873389Y (en) * | 2006-02-28 | 2007-02-28 | 宝山钢铁股份有限公司 | Electrospark machine tool electrode base |
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| CN106583866A (en) | 2017-04-26 |
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