CN109304814A - Polycrystalline diamond entirety cutting tool - Google Patents
Polycrystalline diamond entirety cutting tool Download PDFInfo
- Publication number
- CN109304814A CN109304814A CN201811116423.4A CN201811116423A CN109304814A CN 109304814 A CN109304814 A CN 109304814A CN 201811116423 A CN201811116423 A CN 201811116423A CN 109304814 A CN109304814 A CN 109304814A
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- Prior art keywords
- polycrystalline diamond
- blade
- cutting tool
- cutter head
- holding handle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
- B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/34—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A kind of polycrystalline diamond entirety cutting tool, including cutter holding handle and polycrystalline diamond cutter head, the polycrystalline diamond cutter head is welded in cutter holding handle one end, the polycrystalline diamond cutter head has integrally formed a plurality of blades far from one end of the cutter holding handle, the blade circle distribution is in the end peripheral side of the polycrystalline diamond cutter head, the tread of the blade is 0.04~0.1mm, there is chip space, the depth of the chip space is 0.08~0.15mm between adjacent blade.Polycrystalline diamond entirety cutting tool provided by the invention has integrally formed multiple-cutting-edge structure, conducive to raising processing efficiency and service life, and guarantee ideal processing quality, and it is with good economic efficiency and be conducive to promote and apply, it is especially suitable for glass or Ceramic manufacturing.
Description
Technical field
The invention belongs to cutting tool technical fields, are a kind of polycrystalline diamond entirety cutting tools specifically.
Background technique
Diamond is applied to machining as a kind of ultrahard cutting tool material and has centuries history, but natural diamond number
Amount is rare, expensive, it is difficult to meet the needs of extensive application.Polycrystalline diamond (Polycrystalline diamond) is
A kind of diamond breaches the limitation of quantity and price, makes diamond cutter to substitute natural diamond (monocrystalline)
Application range expands to the multiple fields such as Aeronautics and Astronautics, automobile, electronics, stone material.
Traditional polycrystal diamond cutter is that composite polycrystal-diamond point of a knife is welded to carbide chip or knife bar
It is formed on matrix.In multi-point cutter application, needs for multiple composite polycrystal-diamond points of a knife to be respectively welded, be limited to
Arrangement space and be easy to cause weld strength and precision insufficient, influence cutting quality and service life.Meanwhile welding structure needs
Specific operating space is difficult to realize desired layout in the application requirement that sword number increases sharply, and can not adapt to high-precision, longevity
The cutter development trend of life.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of polycrystalline diamond entirety cutting tools, have one
Body formed multiple-cutting-edge structure is conducive to improve processing efficiency and service life, and guarantees ideal processing quality, has good warp
Benefit of helping and be conducive to promote and apply, be especially suitable for glass or Ceramic manufacturing.
The purpose of the present invention is achieved through the following technical solutions:
A kind of polycrystalline diamond entirety cutting tool, including cutter holding handle and polycrystalline diamond cutter head, the plycrystalline diamond gold
Diamond tool bit is welded in cutter holding handle one end, and the polycrystalline diamond cutter head has far from one end of the cutter holding handle
There are integrally formed a plurality of blades, the blade circle distribution is described in the end peripheral side of the polycrystalline diamond cutter head
The tread of blade is 0.04~0.1mm, has chip space between adjacent blade, the depth of the chip space is 0.08~
0.15mm。
As an improvement of the above technical solution, the polycrystalline diamond cutter head includes welding base and sinter molding in described
The polycrystalline diamond layer of base one end is welded, the welding base is welded in the knife far from one end of the polycrystalline diamond layer
Have in grip shank, the blade is shaped in the one end of the polycrystalline diamond layer far from the welding base.
As a further improvement of the above technical scheme, the welding base and the cutter holding handle are by same material point
It is not made.
As a further improvement of the above technical scheme, pass through silver-colored pricker between the welding base and the cutter holding handle
Layer, which is realized, to be fixed.
As a further improvement of the above technical scheme, the blade has the first side edge face and second side blade surface, described
Angle between first side edge face and second side blade surface is 0.5 °~1.2 °.
As a further improvement of the above technical scheme, the edge surface roughness Ra of the blade is 0.1~0.4 μm.
As a further improvement of the above technical scheme, the helical angle of the polycrystalline diamond cutter head is 35 °~60 °, institute
State a length of 1~3mm of sword of blade.
As a further improvement of the above technical scheme, the polycrystalline diamond entirety cutting tool is milling cutter.
As a further improvement of the above technical scheme, the quantity of the blade is 43~50.
As a further improvement of the above technical scheme, the polycrystalline diamond entirety cutting tool has empty avoiding stomidium,
The empty avoiding stomidium is set to the circumferential spread center of a plurality of blades.
The beneficial effects of the present invention are:
Including the cutter holding handle and polycrystalline diamond cutter head being welded to each other, polycrystalline diamond cutter head is far from cutter holding handle
One end there are integrally formed a plurality of blades, blade circle distribution in the end peripheral side of the polycrystalline diamond cutter head,
And blade has specific tread, and forms chip space between adjacent blade, structural reliability is strong and rationally distributed, guarantees
Preferable processing efficiency, processing quality and service life, are especially suitable for glass or Ceramic manufacturing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the overall structure diagram for the polycrystalline diamond entirety cutting tool that the embodiment of the present invention 1 provides；
Fig. 2 is the first partial schematic diagram for the polycrystalline diamond entirety cutting tool that the embodiment of the present invention 1 provides；
Fig. 3 is the second partial schematic diagram of the polycrystalline diamond entirety cutting tool that the embodiment of the present invention 1 provides；
Fig. 4 is partial enlargement diagram at the M of polycrystalline diamond entirety cutting tool in Fig. 3；
Fig. 5 is partial enlargement diagram at the N of polycrystalline diamond entirety cutting tool in Fig. 4；
Fig. 6 is the polycrystalline diamond entirety cutting tool that the embodiment of the present invention 1 provides to cuing open structural schematic diagram；
Fig. 7 is the flow diagram of the manufacturing method for the polycrystalline diamond entirety cutting tool that the embodiment of the present invention 2 provides.
Main element symbol description:
100- polycrystalline diamond entirety cutting tool, 110- cutter holding handle, 120- polycrystalline diamond cutter head, 121- welding
Base, 122- polycrystalline diamond layer, 123- blade, the first side edge of 123a- face, 123b- second side blade surface, 124- chip space,
124a- groove bottom, 125- empty avoiding stomidium, 126- silver brazing layer.
Specific embodiment
To facilitate the understanding of the present invention, polycrystalline diamond entirety cutting tool is carried out below with reference to relevant drawings more complete
The description in face.The preferred embodiment of polycrystalline diamond entirety cutting tool is given in attached drawing.But polycrystalline diamond is integrally cut
Cutting knife tool can be realized by many different forms, however it is not limited to embodiment described herein.On the contrary, providing these
The purpose of embodiment is to keep the disclosure to polycrystalline diamond entirety cutting tool more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Herein in the art used in the description of polycrystalline diamond entirety cutting tool
Language, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
Embodiment 1
Fig. 1~2 are please referred to, the present embodiment discloses a kind of polycrystalline diamond entirety cutting tool 100, including tool-holder
Hold handle 110 and polycrystalline diamond cutter head 120.Polycrystalline diamond cutter head 120 is welded in 110 one end of cutter holding handle, plycrystalline diamond Buddha's warrior attendant
Stone cutter head 120 far from cutter holding handle 110 one end have integrally formed a plurality of blades 123,123 circle distribution of blade in
The end peripheral side of polycrystalline diamond cutter head 120, monoblock type multiple-cutting-edge structure.
So-called integrated molding refers to that blade 123 and polycrystalline diamond cutter head 120 belong to integral structure.It is different from traditional
Welding structure, the two can be formed integrally through build-up materials molding (such as casting, increasing material manufacturing type), also can be by polycrystalline diamond
Cutter head 120 forms blade 123 through removal material processing (such as milling, spark cutting, laser cutting type).
The numerous types of polycrystalline diamond entirety cutting tool 100, exemplarily, polycrystalline diamond entirety cutting tool
100 be profile milling cutter, forms required profile for carrying out milling to workpiece.A plurality of blades 123 circumferentially, with knife
Tool grip shank 110 rotates and rotatably acts on workpiece surface, realizes efficient material removal.Exemplarily, a plurality of blades
123 circumferential spread is using the mandrel of cutter holding handle 110 as axis.
Exemplarily, polycrystalline diamond cutter head 120 includes welding base 121 and sinter molding in welding 121 one end of base
Polycrystalline diamond layer 122.Welding base 121 is welded on cutter holding handle 110 far from one end of polycrystalline diamond layer 122,
Realization is welded and fixed；Polycrystalline diamond layer 122 is by natural or artificial diamond powder and bonding agent in high temperature (1000 DEG C~2000
DEG C), under high pressure (5~100,000 atmospheric pressure) to weld base 121 be that substrate is sintered.A plurality of blades 123 are integrally formed
In the one end of polycrystalline diamond layer 122 far from welding base 121, that is, blade 123 belongs to one of polycrystalline diamond layer 122
Point, to have very ideal physical structure.
Exemplarily, welding base 121 is respectively prepared with cutter holding handle 110 by same material.Based on same material phase
With material property, welding base 121 and when 110 butt welding of cutter holding handle deformation quantity more closely, welding structure stability more
For ideal.Exemplarily, welding base 121 is made with cutter holding handle 110 of tungsten carbide base carbide alloy.Tungsten carbide-base is hard
Matter alloy is the agglomerated material that phase composition is cohered using tungsten carbide as hard phase and metal, further, the wherein quality percentage of cobalt
Than being no more than 12%.
Fig. 6 is please referred to, exemplarily, welds and passes through silver brazing layer 126 between base 121 and cutter holding handle 110
It realizes and fixes.Silver brazing layer 126 is solidified by silver solder, and silver solder melts in welding process and makes to weld base 121
It realizes and connects with cutter holding handle 110, and fix the latter two after solidification.Wherein, silver solder is using silver as basis material
It is combined into other alloys.
The tread of blade 123 is 0.04~0.1mm.Tread refers to the edge width of blade 123, in aforementioned ideal model
It encloses, has both guaranteed that the intensity of blade 123 is sufficient, with preferable service life, and guaranteed preferable stock-removing efficiency.
Exemplarily, a length of 1~3mm of the sword of blade 123.The long land length for referring to blade 123 of sword, is in aforementioned reason
Think range, guarantees the effective range of blade 123, with ideal stock-removing efficiency.Exemplarily, 123 autohemagglutination of blade
The end face of diamond cutter head 120 extends on its circumferential surface.
Exemplarily, the edge surface roughness Ra of blade 123 is 0.1~0.4 μm.Surface roughness (surface
Roughness) refer to the unevenness for the smaller spacing and small peak valley that finished surface has, value is smaller, then shows more smooth.
Under aforementioned surfaces precision, the cutting edge of blade 123 is smooth sharp, and the surface accuracy for the workpiece being cut is enable to guarantee.
There is chip space 124, for the chip of machining generation to be discharged in time between adjacent blade 123.Aforementioned
Blade 123 extends in the situation on its circumferential surface from the end face of polycrystalline diamond cutter head 120, and chip space 124 is together from plycrystalline diamond
The end face of diamond segment 120 extends on its circumferential surface.It is appreciated that chip space 124 penetrates through the end of polycrystalline diamond cutter head 120
The surfaces externally and internally in portion enables chip lateral discharge in time.
Wherein, the depth of chip space 124 has an impact to the intensity of blade 123 with machining accuracy.Here, chip space 124
Depth be 0.08~0.15mm, avoid groove depth excessive and caused by blade 123 intensity detraction, also avoid groove depth too small and
Caused by machining interference, guarantee ideal structural strength and machining accuracy.
Exemplarily, the helical angle of polycrystalline diamond cutter head 120 is 35 °~60 °.Specifically, polycrystalline diamond cutter head
The helical angle of 120 helical angle, that is, blade 123, refers to the spiral angle of blade 123.It is appreciated that blade 123 is in plycrystalline diamond Buddha's warrior attendant
The end of stone cutter head 120 has helical structure.Under aforementioned angular, intensity, sharpness, the size of cutting force of blade 123
It is very ideal with the chip rate of outflow.
Fig. 3~5 are please referred to, exemplarily, blade 123 has the first side edge face 123a and second side blade surface 123b,
Angle between the two is 0.5 °~1.2 °, guarantees preferable structural strength and cutting force.Exemplarily, the first side edge face 123a
And/or the angle between second side blade surface 123b and the groove bottom 124a of chip space 124 is 81.2 °~88 °, guarantees chip space
124 have preferable draining effect, and chip is discharged in time.
The quantity of blade 123 be it is a plurality of, the area of cut of polycrystalline diamond cutter head 120 is divided equally, each knife is made
The single-blade cutting depth and back engagement of the cutting edge of sword 123 reduce, to reduce the shear action power between blade 123 and workpiece and reduce
Abrasion, blade 123 is able to obtain preferable service life and workpiece is able to obtain preferable surface quality.Exemplarily, blade
123 quantity is 43~50.Under the numerical value, the distribution relation of blade 123 is very ideal with cutting output, advanced optimizes
The service life of blade 123 and processing quality.
Exemplarily, polycrystalline diamond entirety cutting tool 100 has empty avoiding stomidium 125, and empty avoiding stomidium 125 is set to multiple
The circumferential spread center of several blades 123.Its role is to reduce the shear blade (blade of polycrystalline diamond entirety cutting tool 100
123 are located at the part of the end of polycrystalline diamond entirety cutting tool 100) with the contact area of workpiece, further decrease and work
Shear action power and thus caused abrasion between part.
Exemplarily, polycrystalline diamond entirety cutting tool 100 has hollow coolant flow channel.Hollow coolant flow channel is for leading to
It flows cooling medium (such as cooling gas, coolant liquid), to cool down to blade 123, reduces the thermal damage of blade 123.Demonstration
Property, the hollow coolant flow channel distribution rings center open at one end in a plurality of blades 123 make during a plurality of blades 123 are annularly distributed in
The open-ended peripheral side of empty coolant flow channel 125.
Polycrystalline diamond entirety cutting tool 100 is provided in this together and welding piece focuses Diamond Cutting Toolss, hard
Three specific comparative experimentss of alloy cutting tool.
In comparative experiments 1, the sword number of polycrystalline diamond entirety cutting tool 100 is 43, and the tread of blade 123 is
0.04mm, a length of 1mm of sword, edge surface roughness Ra are 0.4 μm, and the depth of chip space 124 is 0.08mm, polycrystalline diamond knife
First 120 helical angle is 35 °, and test data sees table 1.
In comparative experiments 2, the sword number of polycrystalline diamond entirety cutting tool 100 is 47, and the tread of blade 123 is
0.07mm, a length of 2mm of sword, edge surface roughness Ra are 0.2 μm, and the depth of chip space 124 is 0.12mm, polycrystalline diamond knife
First 120 helical angle is 50 °, and test data sees table 2.
In comparative experiments 3, the sword number of polycrystalline diamond entirety cutting tool 100 is 50, and the tread of blade 123 is
0.10mm, a length of 3mm of sword, edge surface roughness Ra are 0.1 μm, and the depth of chip space 124 is 0.15mm, polycrystalline diamond knife
First 120 helical angle is 60 °, and test data sees table 3.
[table 1]
[table 2]
[table 3]
Embodiment 2
Fig. 1~7 are please referred to, the present embodiment discloses a kind of manufacturing method of polycrystalline diamond entirety cutting tool, uses
In processing polycrystalline diamond entirety cutting tool 100, the processing method the following steps are included:
Step A: the cutter holding handle 110 by the grinding of grip shank blank to preset precision with basic shaft system.Exemplarily, it presss from both sides
Holding handle blank is the cylindrical body blank with basic size, and required circumference precision is obtained through grinding.Exemplarily, it presss from both sides
Holding handle blank can be formed by cylinder Cutting stick.
After grinding, grip shank blank obtains basic shaft system and presets precision, and product is cutter holding handle 110.Institute
It calls basic shaft system and presets precision, refer to the default precision under basic shaft system.In other words, cutter holding handle 110 is benchmark axis, basic
Deviation is zero.In subsequent processing and in use, cutter holding handle 110 can be used as benchmark and provide clamping or processing reference.
The grinding method of grip shank blank is numerous, and exemplarily, the grinding method of grip shank blank can be centreless grinding or outer
Circle mill.
Centreless grinding does not need to be positioned using the axle center of grip shank blank, guide wheel and Grinding wheel is generally comprised, by guide wheel
Drive grip shank blank rotation, by Grinding wheel to grip shank blank ablation.Exemplarily, centreless grinding can pass through centreless grinding
Bed is realized.
Peripheral milling be by grip shank blank after the clamping of both ends, make grip shank blank low speed rotation and with grinding wheel occur laterally
Feeding, to realize the processing method of grinding.Exemplarily, peripheral milling can be realized by cylindrical grinder.
Step B: by vacuum welding after polycrystalline diamond cutter head blank and the centering contraposition clamping of cutter holding handle 110, welding
Temperature is 600 DEG C~700 DEG C, and weld interval is 2~3 hours.
In other words, in cutter holding handle 110 is carried out clamping in chamber, and with polycrystalline diamond cutter head blank and tool-holder
It holds handle 110 and carries out positioning contraposition, make the two Set and Positioning to the state for welding.Immediately in realizing vacuum in chamber, and in
Cutter holding handle 110 and polycrystalline diamond cutter head blank are welded under vacuum environment, are allowed to form an overall structure.Its
In, it is persistently welded under 600 DEG C~700 DEG C welding temperatures 2~3 hours, cutter holding handle 110 and polycrystalline diamond cutter head can be made
Blank is sufficiently welded in place, and has preferable connection structure and intensity.
Exemplarily, the welding manner of polycrystalline diamond cutter head 120 and cutter holding handle 110 is vacuum brazing, and solder is
Silver solder.Wherein, vacuum brazing is the soldering carried out under vacuum conditions, and soldering then refers to solder and weldering lower than weldment fusing point
Part makes the welding side of metal connection using the gap of liquid solder filling solid workpieces while heated to after solder melting temperature
Method.
Exemplarily, polycrystalline diamond cutter head blank is the cylindrical body blank with basic size.Exemplarily, plycrystalline diamond gold
Diamond tool bit blank includes welding base 121 and polycrystalline diamond layer 122.
Exemplarily, the concentricity of cutter holding handle 110 and polycrystalline diamond cutter head blank is 0.002~0.01mm, is protected
The positioning contraposition of both cards is accurate, so that it is guaranteed that welding quality.Concentricity refers to the axis and plycrystalline diamond Buddha's warrior attendant of benchmark grip shank 110
Position deviation between the axis of stone cutter head blank.By controlling concentricity, the cutter holding with cylinder profile can be realized
Accurate positioning between handle 110 and polycrystalline diamond cutter head blank.
Step C: polycrystalline diamond cutter head blank is ground to default precision on the basis of cutter holding handle 110.In other words,
It is clamping benchmark to the blank progress clamping after welding with cutter holding handle 110, and with cutter holding handle 110 for machining benchmark pair
Polycrystalline diamond cutter head blank is ground, and is allowed to reach default precision, in case carrying out the processing of putting the first edge on a knife or a pair of scissors of next step.
The grinding method of polycrystalline diamond cutter head blank is numerous, and exemplarily, grinding method is peripheral milling.Peripheral milling
Introduction sees aforementioned literature record, and details are not described herein.
Step D: it is formed one by one far from one end of cutter holding handle 110 through laser cutting in polycrystalline diamond cutter head blank
A plurality of blades 123 of distribution and the chip space 124 between blade 123 are circularized, to obtain polycrystalline diamond entirety
Cutting tool 100.Through this process, polycrystalline diamond cutter head blank becomes polycrystalline diamond cutter head 120.It is appreciated that swashing
Light excision forming process, still with cutter holding handle 110 for clamping benchmark and machining benchmark.
Wherein, laser cutting molding refers to the laser action of laser excitation in the finger of polycrystalline diamond cutter head blank
Positioning is set, and so that the material of designated position is melted removal by laser energy.Mobile, the polycrystalline diamond cutter head with the path of laser
A plurality of blades 123 and chip space 124 are formed in blank one by one.It is appreciated that the basic configuration and cutting edge of blade 123 are by sharp
Light cuts one-pass molding, has ideal machining accuracy.
Wherein, the basic processing index of laser cutting molding of step D is as follows: the tread of blade 123 is 0.04~0.1mm,
The edge surface roughness Ra of blade 123 is 0.1~0.4 μm, and the depth of chip space 124 is 0.08~0.15mm.
Further, the laser cutting of step D, which forms, may also include following processing index: the sword of blade 123 a length of 1~
3mm, the helical angle of polycrystalline diamond entirety cutting tool 100 are 35 °~60 °, and the quantity of blade 123 is 43~50 and annular
It is uniformly distributed.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitation of the scope of the invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of polycrystalline diamond entirety cutting tool, which is characterized in that including cutter holding handle and polycrystalline diamond cutter head, institute
It states polycrystalline diamond cutter head and is welded in cutter holding handle one end, the polycrystalline diamond cutter head is far from the cutter holding handle
One end have integrally formed a plurality of blades, the blade circle distribution is in the end periphery of the polycrystalline diamond cutter head
Side, the tread of the blade are 0.04~0.1mm, have chip space between adjacent blade, the depth of the chip space is
0.08~0.15mm.
2. polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the polycrystalline diamond cutter head
Including welding base and sinter molding in the polycrystalline diamond layer of described welding base one end, the welding base is far from described poly-
One end of diamond layer is welded on the cutter holding handle, and it is separate that the blade is shaped in the polycrystalline diamond layer
One end of the welding base.
3. polycrystalline diamond entirety cutting tool according to claim 2, which is characterized in that the welding base with it is described
Cutter holding handle is respectively prepared by same material.
4. polycrystalline diamond entirety cutting tool according to claim 3, which is characterized in that the welding base with it is described
It is realized and is fixed by silver brazing layer between cutter holding handle.
5. polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the blade has the first side
Blade surface and second side blade surface, the angle between first side edge face and second side blade surface is 0.5 °~1.2 °.
6. polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the edge surface of the blade
Roughness Ra is 0.1~0.4 μm.
7. polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the polycrystalline diamond cutter head
Helical angle be 35 °~60 °, a length of 1~3mm of the sword of the blade.
8. polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the polycrystalline diamond is whole
Cutting tool is milling cutter.
9. polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the quantity of the blade is 43
~50.
10. polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the polycrystalline diamond is whole
Body cutting tool has empty avoiding stomidium, and the empty avoiding stomidium is set to the circumferential spread center of a plurality of blades.
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|---|---|---|---|
| CN201811116423.4A CN109304814A (en) | 2018-09-25 | 2018-09-25 | Polycrystalline diamond entirety cutting tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811116423.4A CN109304814A (en) | 2018-09-25 | 2018-09-25 | Polycrystalline diamond entirety cutting tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021190529A1 (en) * | 2020-03-25 | 2021-09-30 | 广东工业大学 | Pcd cutter for realizing machining by means of milling instead of grinding, and preparation method therefor and use thereof |
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| US4033204A (en) * | 1975-08-12 | 1977-07-05 | Viktor Samsonovich Salukvadze | Method of making rotary cutters |
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| CN201470965U (en) * | 2009-09-14 | 2010-05-19 | 哈尔滨飞机工业集团有限责任公司 | Organic glass milling tools |
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