CN104972364B - A kind of cutting edge processing method and processing device of Single-crystal Diamond Cutters - Google Patents
A kind of cutting edge processing method and processing device of Single-crystal Diamond Cutters Download PDFInfo
- Publication number
- CN104972364B CN104972364B CN201410148498.6A CN201410148498A CN104972364B CN 104972364 B CN104972364 B CN 104972364B CN 201410148498 A CN201410148498 A CN 201410148498A CN 104972364 B CN104972364 B CN 104972364B
- Authority
- CN
- China
- Prior art keywords
- cast iron
- iron pole
- cutting edge
- crystal diamond
- diamond cutters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The present invention discloses a kind of cutting edge processing method of Single-crystal Diamond Cutters, comprises the following steps：（1）Processing cast iron pole step, by the assembling of cast iron pole in the driving equipment for driving its high-speed rotation, cast iron pole is internally provided with heater；（2）Single-crystal Diamond Cutters precision grinding step, Single-crystal Diamond Cutters are refined into cutting edge on knife sharpener；（3）Cutting edge step is handled, and cast iron pole is heated to 300 DEG C~500 DEG C, by step（2）In cutting edge be fitted on the cast iron pole surface of high-speed rotation and sharpened vertically, and the step is connected with the opposing seal cover of hydrogen one and carried out.The invention also discloses a kind of cutting edge processing unit of Single-crystal Diamond Cutters, including lathe, the numerically-controlled slide being arranged on lathe upper feeding workbench, axle are located at the cast iron pole of numerically-controlled slide side, are contained in Feed table and cast iron pole under one sealed environment and interior filled with hydrogen seal cover.The cutter of sharpening out is sharp and service life is grown.
Description
Technical field
The present invention relates to diamond cutter process field, the cutting edge processing method of more particularly to a kind of Single-crystal Diamond Cutters
And device.
Background technology
Because single-crystal diamond is the crystalline solid of single carbon atom, lattice structure belongs to isometric centroid cubic crystal system（It is a kind of
Atomic density highest crystallographic system）, the link key between carbon atom is SP3 hydridization covalent bonds, have very strong adhesion, stability and
Directionality, it is known most hard material in nature, its microhardness is up to 10000HV.The physical and mechanical property that it is possessed,
Glutinous knife and built-up edge are not likely to produce when not only cutting, and theoretically also can obtain the edge linear degree of atom level and sharp
Degree, therefore be ultra precision cutting, the ideal material of fine and nanometer cutting.
In addition because of the difference and crystal face of atomic arrangement and atomic density on each crystal face on diamond crystal
The distance between difference, cause the anisotropy of natural diamond crystal.Therefore the diamond physical force that not only each crystal face shows
Performance difference is learned, its complexity manufactured and service life are also all different, and the microstrength of each crystal face also has obvious difference.
In actual production, cutting edge is very easy to produce seam broken and jaggedness when Single-crystal Diamond Cutters sharpen.As can be seen here, single crystal diamond
The cutting edge processing method of stone cutter is one of core technology for manufacturing Single-crystal Diamond Cutters.
The grinding method of traditional Single-crystal Diamond Cutters is first to be used on FC-200D or Switzerland's EWAG-RS15 knife sharpeners
W20 skive corase grind cutting edge, is refined with W8 emery wheel half, is then refined with W4 emery wheel, finally ground in Britain PG3B
Lappingout cutting edge on knife machine or high-phosphorous iron abrasive disk.But this grinding method has the following disadvantages：
1st, cutting edge quality is unstable；
2nd, cutting edge is detected under 500 power microscopes it is difficult to ensure that without fine jaggedness defect；
3rd, the sharpness of cutting edge is extremely difficult to blunt round radius ρ≤0.1 μm.
The content of the invention
One of technical problems to be solved by the invention are in view of the shortcomings of the prior art and defect, there is provided a kind of monocrystalline
The cutting edge processing method of diamond cutter, the single-crystal diamond cutting edge that this method sharpens out is sharp, rear knife face surface roughness
It is low, cutter life length.
The two of the technical problems to be solved by the invention are the cutting edge processing unit for providing a kind of Single-crystal Diamond Cutters.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of cutting edge processing method of Single-crystal Diamond Cutters, comprises the following steps：
（1）Processing cast iron pole step, by cast iron pole blank carry out Precision Machining, formed a surface roughness Ra≤
0.05 μm, linearity and circularity≤0.1 μm of cast iron pole, cast iron pole assembling is being driven into the drive of its high-speed rotation
In dynamic equipment, the cast iron pole is internally provided with the heater for its own heating；
（2）Single-crystal Diamond Cutters precision grinding step, Single-crystal Diamond Cutters are refined into cutting edge on knife sharpener；
（3）Cutting edge step is handled, opens driving equipment, makes the cast iron pole high-speed rotation, and fill by the heating
Put and the cast iron pole is heated to 300 DEG C~500 DEG C, by step（2）Cutting edge after middle fine grinding is fitted in the casting vertically
On iron pole surface, and linked sliding feed with appropriate speed length feed, traverse feed or XY, the μ of and cutting-in≤0.01
M, during sharpening, the height of the cutting edge is higher than the centre-height of the cast iron pole, and the step is connected with the relative of hydrogen one
Carried out in seal closure.
In a preferred embodiment of the invention, the height of the cutting edge it is higher h than the centre-height of the cast iron pole=
dsinα0/ 2, wherein α0For the relief angle of Single-crystal Diamond Cutters, d is the diameter of the cast iron pole.
A kind of cutting edge processing unit of Single-crystal Diamond Cutters, including：
One lathe；
The numerically-controlled slide being arranged on the lathe upper feeding workbench, Single-crystal Diamond Cutters to be processed are fixed on institute
State on numerically-controlled slide；
One axle is located at the cast iron pole of the numerically-controlled slide side, and the cast iron pole is driven by the main spindle box of the lathe
Rotate, heater is provided with the cast iron pole；
The Feed table and the cast iron pole are contained under a sealed environment by one seal closure, the seal closure,
And filled with hydrogen in the seal closure；
During work, the numerically-controlled slide on the Feed table is joined with appropriate speed length feed, traverse feed or XY
Dynamic sliding feed, make to be fixed on the cutting edges of Single-crystal Diamond Cutters to be processed on the numerically-controlled slide with by the main spindle box
Driving the rotates and cast iron pole by the heating devices heat to 300 DEG C~500 DEG C is in the seal closure filled with hydrogen
Contact and relative slip is with attrition process.
In a preferred embodiment of the invention, the seal closure is plexiglass tent.
In a preferred embodiment of the invention, the cast iron pole is high-phosphorous iron pole or high-carbon cast iron pole.
It is per second to grind off 40~200 atomic layers, energy using the inventive method or the cutting edge of device grinding single-crystal diamond
Obtaining fabulous effect, surface roughness Ra≤5nm of knife face after diamond cutting edge, blade is very sharp, blunt round radius ρ≤
0.1 μm, the metamorphic layer of diamond is shallower, generally no greater than 10nm, and cutter life is longer.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of a kind of structural representation of embodiment of the cutting edge processing unit of Single-crystal Diamond Cutters of the present invention.
View when Fig. 2 is the cooperating of the cutting edge and cast iron pole of an embodiment of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
A kind of cutting edge processing unit of Single-crystal Diamond Cutters shown in Figure 1, including lathe 100, are pushed up in lathe 100
Numerically-controlled slide 140 is installed on the Feed table 120 in portion, traverse feed guide rail 122 is provided with Feed table 120 and is indulged
To feeding guide rail 121, numerically-controlled slide 140 is slidably mounted on traverse feed guide rail 122 and length feed guide rail by a planker 123
On 121, numerically-controlled slide 140 can carry out length feed, traverse feed on traverse feed guide rail 122 and length feed guide rail 121
Or XY linkage sliding feeds, traverse feed guide rail 122 and length feed guide rail 121 use high-precision line slideway, its is straight
Dimension and the depth of parallelism are all not more than 0.5 μm.During processing, the single-crystal diamond to be processed of cutting edge will be refined on knife sharpener
Cutter 300 is fixed on numerically-controlled slide 140 by housing screw 141.
The both ends of Feed table 120 are respectively arranged with main spindle box 130 and tailstock 160, by the μ of surface roughness Ra≤0.05
M, linearity and circularity≤0.1 μm of cast iron pole 200 is arranged on Feed table 120 and is located at the side of numerically-controlled slide 140.
Cast iron pole 200 is high-phosphorous iron pole or high-carbon cast iron pole, one end of cast iron pole 200 and the HSK interfaces of main spindle box 130
131 connections, main spindle box 130 drive the high-speed rotation of cast iron pole 200, and the main shaft of main spindle box 130 is set with hydrostatic bearing axle, at a high speed
Float automatically during rotation, end face run-out is not more than 0.1 μm, and axial runout is not more than 0.5 μm.The other end of cast iron pole 200 leads to
The thimble 161 crossed on tailstock 160 withstands fixation, pressure of the thimble 161 by the handwheel regulation on tailstock 160 to cast iron pole 200
Clamp force, the both ends insulation of cast iron pole 200.Electrically-heated coil is provided with cast iron pole 200, can be that cast iron pole 200 heats.
It is additionally provided with a seal closure 150 on Feed table 120, the seal closure in the present embodiment is plexiglass tent,
Can certainly be other seal closures that other skilled in the art is readily apparent that.Seal closure 150 is by the He of Feed table 120
Cast iron pole 200 is contained under a sealed environment, and filled with hydrogen in seal closure 150.
With continued reference to shown in Fig. 1, the cutting edge of Single-crystal Diamond Cutters is handled using the device shown in Fig. 1, including it is following
Step：
（1）Processing cast iron pole step, cast iron pole blank is subjected to Precision Machining, after car, mill, polishing, formed
One surface roughness Ra≤0.05 μm, linearity and circularity≤0.1 μm of cast iron pole 200, cast iron pole 200 is installed
State between main spindle box 130 and tailstock 160 of the step assembly machine on lathe 100；
（2）Single-crystal Diamond Cutters precision grinding step, Single-crystal Diamond Cutters are refined into cutting edge on knife sharpener；
（3）Cutting edge step is handled, main spindle box 130 is opened, makes the high-speed rotation of cast iron pole 200, and pass through cast iron pole 200
Cast iron pole 200 is heated to 300 DEG C~500 DEG C by interior electrically-heated coil, by step（2）Single-crystal Diamond Cutters after middle fine grinding
300 are fixed in numerical control frame 140, and then cutting edge is fitted on the surface of cast iron pole 200 vertically, and with appropriate speed
Length feed, traverse feed or XY linkage sliding feeds, the feed speed of length feed, traverse feed or XY linkage sliding feeds
Can be according to the progressively adjustment of specific need of work, and entering for length feed, traverse feed or the XY sliding feed that links
Know to speed adjustment is known to those skilled in the art, just do not repeated at this, and cutting-in≤0.01 μm.During sharpening, with reference to Fig. 2
Shown, the height of cutting edge 320 is higher than the centre-height of cast iron pole 200, and the height of the cutting edge 320 in the present embodiment is justified than cast iron
High h=dsin the α of centre-height of rod 2000/ 2, wherein α0For the relief angle of Single-crystal Diamond Cutters 300, d is the straight of cast iron pole 200
Footpath, and the step is connected with the opposing seal cover 150 of hydrogen one and carried out.
The operation principle of the present invention is as follows：
When the cutting edge 320 of Single-crystal Diamond Cutters 300 is in contact on cast iron pole 200 and relative slip, in diamond
Carbon atom be diffused into the lattice of cast iron pole 200, reach the purpose of fine ground cutting edge；Whole process of lapping is one simultaneously
Carried out in seal closure filled with hydrogen, and cast iron pole 200 is heated to 300 DEG C~500 DEG C so that into cast iron pole 200
Carbon atom in lattice is dispersed into air with generating micro methane after hydrogen reaction, and the work in-process of cutting edge 320 is burnt,
Make cutting edge 320 sharper.
It is per second to grind off 40~200 atoms using the inventive method or the cutting edge 320 of device grinding single-crystal diamond
Layer, can obtain fabulous effect, and surface roughness Ra≤5nm of knife face 310 after diamond cutting edge, blade is very sharp, blunt circle
Radius ρ≤0.1 μm, the metamorphic layer of diamond is shallower, generally no greater than 10nm, and cutter life is longer.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. the cutting edge processing method of a kind of Single-crystal Diamond Cutters, it is characterised in that comprise the following steps：
（1）Processing cast iron pole step, cast iron pole blank is subjected to Precision Machining, forms the μ of a surface roughness Ra≤0.05
M, linearity and circularity≤0.1 μm of cast iron pole, driving the driving of its high-speed rotation to set cast iron pole assembling
Standby upper, the cast iron pole is internally provided with the heater for its own heating；
（2）Single-crystal Diamond Cutters precision grinding step, Single-crystal Diamond Cutters are refined into cutting edge on knife sharpener；
（3）Cutting edge step is handled, opens driving equipment, makes the cast iron pole high-speed rotation, and will by the heater
The cast iron pole is heated to 300 DEG C~500 DEG C, by step（2）Cutting edge after middle fine grinding is fitted in the cast iron circle vertically
On rod surface, and linked sliding feed with appropriate speed length feed, traverse feed or XY, and cutting-in≤0.01 μm, sword
During mill, the height of the cutting edge is higher than the centre-height of the cast iron pole, and the step is in an opposing seal for being connected with hydrogen
Carried out in cover.
2. the cutting edge processing method of a kind of Single-crystal Diamond Cutters as claimed in claim 1, it is characterised in that the cutting edge
Height is higher h=dsin α than the centre-height of the cast iron pole0/ 2, wherein α0For the relief angle of Single-crystal Diamond Cutters, d is described
The diameter of cast iron pole.
A kind of 3. cutting edge processing unit of Single-crystal Diamond Cutters, it is characterised in that including：
One lathe；
The numerically-controlled slide being arranged on the lathe upper feeding workbench, the to be processed of cutting edge will be refined on knife sharpener
Single-crystal Diamond Cutters are fixed on the numerically-controlled slide；
One axle is located at the cast iron pole of the numerically-controlled slide side, and the cast iron pole is turned by the main spindle box driving of the lathe
It is dynamic, it is provided with heater in the cast iron pole；
The Feed table and the cast iron pole are contained under a sealed environment by one seal closure, the seal closure, and
Filled with hydrogen in the seal closure；
During work, the numerically-controlled slide on the Feed table is linked with appropriate speed length feed, traverse feed or XY to be slided
Dynamic feeding, makes to be fixed on the cutting edge of the Single-crystal Diamond Cutters to be processed on the numerically-controlled slide with being driven by the main spindle box
Rotate and contacted by cast iron pole of the heating devices heat to 300 DEG C~500 DEG C in the seal closure filled with hydrogen
And relative slip is with attrition process.
A kind of 4. cutting edge processing unit of Single-crystal Diamond Cutters as claimed in claim 3, it is characterised in that the seal closure
For plexiglass tent.
A kind of 5. cutting edge processing unit of Single-crystal Diamond Cutters as claimed in claim 3, it is characterised in that the cast iron circle
Rod is high-phosphorous iron pole or high-carbon cast iron pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148498.6A CN104972364B (en) | 2014-04-14 | 2014-04-14 | A kind of cutting edge processing method and processing device of Single-crystal Diamond Cutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148498.6A CN104972364B (en) | 2014-04-14 | 2014-04-14 | A kind of cutting edge processing method and processing device of Single-crystal Diamond Cutters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104972364A CN104972364A (en) | 2015-10-14 |
| CN104972364B true CN104972364B (en) | 2017-11-14 |
Family
ID=54269613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410148498.6A Expired - Fee Related CN104972364B (en) | 2014-04-14 | 2014-04-14 | A kind of cutting edge processing method and processing device of Single-crystal Diamond Cutters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104972364B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984283B (en) * | 2017-11-23 | 2019-04-26 | 中国工程物理研究院机械制造工艺研究所 | A kind of cutting edge localization method of diamond cutter |
| CN108747612A (en) * | 2018-05-21 | 2018-11-06 | 深圳市乔本金刚石刀具有限公司 | The application of graphite grinding wheel and diamond cutter passivating method |
| CN109277770A (en) * | 2018-10-26 | 2019-01-29 | 河南富莱格超硬材料有限公司 | Diamond-coated tools surface treatment method |
| CN112428030B (en) * | 2020-11-23 | 2022-11-04 | 湖北小蚂蚁金刚石工具有限公司 | Edging method of diamond grinding wheel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0002947B1 (en) * | 1977-12-22 | 1981-03-25 | De Beers Industrial Diamond Division (Proprietary) Limited | Shaping diamond compacts |
| US4341047A (en) * | 1980-02-12 | 1982-07-27 | St Denis Joseph F | Method for grinding thread cutting tools |
| CN100491067C (en) * | 2005-09-29 | 2009-05-27 | 哈尔滨工业大学 | High-precision mechanical sharpening method for diamond cutter |
| CN101659020B (en) * | 2009-09-14 | 2011-06-22 | 哈尔滨工业大学 | Thermal-mechanical coupling edge grinding technology applicable to manufacturing diamond tools |
| CN203527163U (en) * | 2013-10-12 | 2014-04-09 | 上海誉和钻石工具有限公司 | Blade sharpening device of inscribed polygon monocrystal diamond blade |
-
2014
- 2014-04-14 CN CN201410148498.6A patent/CN104972364B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104972364A (en) | 2015-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104972364B (en) | A kind of cutting edge processing method and processing device of Single-crystal Diamond Cutters | |
| CN105364648B (en) | A kind of cutting edge grinding device of single-crystal diamond circular knife | |
| JP5238317B2 (en) | Silicon block grinding and polishing machine and silicon wafer processing method | |
| CN204603983U (en) | A kind of knife sharpener grinding two-sided dise knife | |
| CN104742004B (en) | Bearing ring super lapping machine and its application method | |
| CN104175208B (en) | Thin film rotary cutter honing machine and honing method | |
| CN102632436A (en) | Blade grinding machine for external conical surface of drill | |
| CN106002633A (en) | Composite finishing method for ceramic bond CBN grinding wheel | |
| CN103143992B (en) | A kind of Cutter passivation device | |
| CN207077261U (en) | A kind of milling cutter edge grinding machine | |
| CN205363439U (en) | Blade grinding device of single crystal diamond spiral sword | |
| CN103551930B (en) | A kind of electric double-sided knife sharpener | |
| CN106853597A (en) | The device and its application method prepared for the shaping of diamond micropowder milling cutter shear blade | |
| CN209831128U (en) | High efficiency circle cutter grinder | |
| CN107225456A (en) | A kind of sheet material deburring sanding apparatus | |
| CN204135862U (en) | Film rotary cutter honing machine | |
| CN203197688U (en) | Cutter sharpening tool | |
| CN106736950A (en) | Workpiece edge polisher | |
| CN203527163U (en) | Blade sharpening device of inscribed polygon monocrystal diamond blade | |
| CN206794925U (en) | A kind of rotation type knife sharpening device | |
| CN206662887U (en) | A kind of circular knife grinder | |
| CN108161741B (en) | A kind of CNC tool grinding abrasive disk dressing method in place and trimming device | |
| KR20130021591A (en) | Silicon ingot clamping device for silicon ingot processing machine | |
| CN206185936U (en) | Fixed wide cutting machine of polishing | |
| CN105081685B (en) | A kind of processing method of Corrugator roller air draught slot and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20210414 |