CN108994363A - The manufacturing method of polycrystalline diamond entirety cutting tool - Google Patents
The manufacturing method of polycrystalline diamond entirety cutting tool Download PDFInfo
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- CN108994363A CN108994363A CN201811116397.5A CN201811116397A CN108994363A CN 108994363 A CN108994363 A CN 108994363A CN 201811116397 A CN201811116397 A CN 201811116397A CN 108994363 A CN108994363 A CN 108994363A
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- polycrystalline diamond
- cutting tool
- grip shank
- manufacturing
- blade
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1081—Shank-type cutters, i.e. with an integral shaft with permanently fixed cutting inserts
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
- B23C2210/0485—Helix angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/31—Diamond
- B23C2226/315—Diamond polycrystalline [PCD]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A kind of manufacturing method of polycrystalline diamond entirety cutting tool, comprising: grip shank blank is ground as benchmark grip shank；By vacuum welding after polycrystalline diamond cutter head blank and benchmark grip shank centering contraposition clamping；Polycrystalline diamond cutter head blank is ground to default precision on the basis of benchmark grip shank；The a plurality of blades and the chip space between blade for being molded into annular spread one by one through laser cutting far from one end of benchmark grip shank in polycrystalline diamond cutter head blank, to obtain polycrystalline diamond entirety cutting tool, the tread of blade is 0.04~0.1mm, the edge surface roughness Ra of blade is 0.1~0.4 μm, and the depth of chip space is 0.08~0.15mm.Polycrystalline diamond entirety cutting tool made from the manufacturing method of 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, 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
Manufacturing method.
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 manufacturers of polycrystalline diamond entirety cutting tool
Method, for processing polycrystalline diamond entirety cutting tool, which has integrally formed multiple-cutting-edge
Structure is conducive to improve processing efficiency and service life, and guarantees ideal processing quality, with good economic efficiency and be conducive to
It promotes and applies, is especially suitable for glass or Ceramic manufacturing.
The purpose of the present invention is achieved through the following technical solutions:
A kind of manufacturing method of polycrystalline diamond entirety cutting tool, comprising:
Benchmark grip shank by the grinding of grip shank blank to preset precision with basic shaft system；
By vacuum welding after polycrystalline diamond cutter head blank and benchmark grip shank centering contraposition clamping, welding temperature is
600 DEG C~700 DEG C, weld interval is 2~3 hours；
The polycrystalline diamond cutter head blank is ground to default precision on the basis of the benchmark grip shank；
It is formed one by one far from one end of the benchmark grip shank through laser cutting in the polycrystalline diamond cutter head blank
The a plurality of blades and the chip space between the blade for circularizing distribution, to obtain polycrystalline diamond entirety bite
Tool, the tread of the blade are 0.04~0.1mm, and the edge surface roughness Ra of the blade is 0.1~0.4 μm, the row
The depth for considering slot to be worth doing is 0.08~0.15mm.
As an improvement of the above technical solution, the polycrystalline diamond cutter head blank includes welding base and polycrystalline diamond
Layer, the polycrystalline diamond layer sinter molding is in described welding base one end, and the welding base is far from the polycrystalline diamond
In in the benchmark grip shank, the blade is shaped in the polycrystalline diamond layer far from described for one end vacuum welding of layer
Weld one end of base.
As a further improvement of the above technical scheme, the welding base and the grip shank blank are by same material point
It is not made.
As a further improvement of the above technical scheme, the grinding method of the grip shank blank is centreless grinding or outer circle
Mill.
As a further improvement of the above technical scheme, the grinding method of the polycrystalline diamond cutter head blank is outer circle
Mill.
As a further improvement of the above technical scheme, the welding of the polycrystalline diamond cutter head and the benchmark grip shank
Mode is soldering, and solder is silver solder.
As a further improvement of the above technical scheme, a length of 1~3mm of the sword of the blade.
As a further improvement of the above technical scheme, the helical angle of the polycrystalline diamond entirety cutting tool is 35 °
~60 °.
As a further improvement of the above technical scheme, the quantity of the blade is 43~50 and annular is uniformly distributed.
As a further improvement of the above technical scheme, the benchmark grip shank and the polycrystalline diamond cutter head blank
Concentricity is 0.002~0.01mm.
The beneficial effects of the present invention are:
To be ground the benchmark grip shank for obtaining and there is basic shaft system to preset precision, and by polycrystalline diamond cutter head blank and benchmark
Vacuum welding after grip shank centering contraposition, realizes that the surface of polycrystalline diamond cutter head blank adds immediately on the basis of benchmark grip shank
Work, most polycrystalline diamond cutter head blank far from one end of benchmark grip shank is molded into annular spread through laser cutting one by one finally
A plurality of blades and the chip space between blade realize reason to obtain the multiple-cutting-edge profile cutter with monolithic construction
The multiple-cutting-edge profile cutter function of thinking, guarantees preferable processing efficiency, processing quality and service life.
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 flow diagram of the manufacturing method for the polycrystalline diamond entirety cutting tool that the embodiment of the present invention 1 provides；
Fig. 2 be using the embodiment of the present invention 1 provide polycrystalline diamond entirety cutting tool manufacturing method obtain it is whole
The overall structure diagram of body formula multiple-cutting-edge profile cutter；
Fig. 3 be using the embodiment of the present invention 1 provide polycrystalline diamond entirety cutting tool manufacturing method obtain it is whole
The partial enlargement diagram of body formula multiple-cutting-edge profile cutter；
Fig. 4 be using the embodiment of the present invention 1 provide polycrystalline diamond entirety cutting tool manufacturing method obtain it is whole
Body formula multiple-cutting-edge profile cutter to cuing open structural schematic diagram.
Main element symbol description:
100- polycrystalline diamond entirety cutting tool, 110- benchmark grip shank, 120- polycrystalline diamond cutter head, 121- welding
Base, 122- polycrystalline diamond layer, 123- blade, 124- chip space, the hollow coolant flow channel of 125-, 126- silver brazing layer.
Specific embodiment
To facilitate the understanding of the present invention, below with reference to relevant drawings to the manufacturer of polycrystalline diamond entirety cutting tool
Method is described more fully.The preferred embodiment of the manufacturing method of polycrystalline diamond entirety cutting tool is given in attached drawing.
But the manufacturing method of polycrystalline diamond entirety cutting tool can be realized by many different forms, however it is not limited to this
Literary described embodiment.On the contrary, purpose of providing these embodiments is makes system to polycrystalline diamond entirety cutting tool
The disclosure for making method is 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 specification of the manufacturing method of polycrystalline diamond entirety cutting tool
Used term, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.Art used herein
Language " and/or " it include any and all combinations of one or more related listed items.
Embodiment 1
Fig. 1~4 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 benchmark grip shank 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 benchmark grip shank 110.Institute
It calls basic shaft system and presets precision, refer to the default precision under basic shaft system.In other words, benchmark grip shank 110 is benchmark axis, basic
Deviation is zero.In subsequent processing and in use, benchmark grip shank 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 benchmark grip shank 110, welding
Temperature is 600 DEG C~700 DEG C, and weld interval is 2~3 hours.
In other words, it in benchmark grip shank 110 is carried out clamping in chamber, and is pressed from both sides with polycrystalline diamond cutter head blank and benchmark
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
Benchmark grip shank 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, benchmark grip shank 110 and polycrystalline diamond cutter head can be made
Blank is sufficiently welded in place, and has preferable connection structure and intensity.
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.Base 121 is welded far from polycrystalline diamond layer 122
One end is welded in the end of benchmark grip shank 110, and realization is welded and fixed；Polycrystalline diamond layer 122 is by natural or diamond
Powder and bonding agent are under high temperature (1000 DEG C~2000 DEG C), high pressure (5~100,000 atmospheric pressure) to weld base 121 as substrate
It is sintered.
Based on the identical material property of same material, when welding base 121 and 110 butt welding of benchmark grip shank, deformation quantity is more
Close, welding structure stability is even more ideal.Exemplarily, it welds base 121 and benchmark grip shank 110 is hard by tungsten carbide-base
Matter alloy is made.Tungsten carbide base carbide alloy is the agglomerated material that phase composition is cohered using tungsten carbide as hard phase and metal, into one
Step ground, wherein the mass percent of cobalt is no more than 12%.
Welding manner between polycrystalline diamond cutter head 120 and benchmark grip shank 110 is numerous, and typically, welding includes molten
The types such as weldering, pressure welding, soldering.Exemplarily, polycrystalline diamond cutter head 120 and the welding manner of benchmark grip shank 110 are vacuum
Soldering, solder is silver solder.
Wherein, silver solder is combined into using silver as basis material and other alloys.Silver solder is molten in welding process
Melt and realize polycrystalline diamond cutter head 120 (such as welding base 121 therein) and benchmark grip shank 110 and connect, and in solid
Silver brazing layer 126 is formed after change and fixes the latter two.Wherein, vacuum brazing is the soldering carried out under vacuum conditions, soldering
Then refer to solder and the weldment lower than weldment fusing point while heated to filling solid workpieces using liquid solder after solder melting temperature
Gap make metal connect welding method.
Exemplarily, the concentricity of benchmark grip shank 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 benchmark clamping 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 benchmark grip shank 110.In other words,
It is clamping benchmark to the blank progress clamping after welding with benchmark grip shank 110, and with benchmark grip shank 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 benchmark grip shank 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 benchmark grip shank 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.
It include benchmark grip shank 110 and weldering by the polycrystalline diamond entirety cutting tool 100 that step A~D is processed
The polycrystalline diamond cutter head 120 being connected in benchmark grip shank 110.Polycrystalline diamond cutter head 120 far from benchmark grip shank 110 one
A plurality of blades 123 with annular spread are held, multiple-cutting-edge structure is formed.Blade 123 is shaped in polycrystalline diamond cutter head 120
On, monolithic construction is formed with polycrystalline diamond cutter head 120.
So-called integrated molding refers to that blade 123 and polycrystalline diamond cutter head 120 belong to integral structure, to be different from biography
The welding structure of system.The numerous types of polycrystalline diamond entirety cutting tool 100, exemplarily, polycrystalline diamond is integrally cut
Cutter 100 is profile milling cutter, forms required profile for carrying out milling to workpiece.
Wherein, the tread of blade 123 is 0.04~0.1mm.Tread refers to the edge width of blade 123, in aforementioned
Ideal range had both guaranteed that the intensity of blade 123 was sufficient, and with preferable service life, and had guaranteed preferable stock-removing efficiency.
Wherein, the edge surface roughness Ra of blade 123 is 0.1~0.4 μm.Surface roughness
(surfaceroughness) refer to the unevenness for the smaller spacing and small peak valley that finished surface has, value is smaller, then table
It is bright more smooth.Under aforementioned surfaces precision, the cutting edge of blade 123 is smooth sharp, enables the surface accuracy of workpiece being cut
Guarantee.
Wherein, chip space 124 is between adjacent blade 123, for the chip of machining generation to be discharged in time.?
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 certainly
The end face of polycrystalline diamond cutter head 120 extends on its circumferential surface.It is appreciated that chip space 124 penetrates through polycrystalline diamond cutter head 120
End surfaces externally and internally, enable chip lateral discharge in time.
The depth of chip space 124 has an impact to the intensity of blade 123 with machining accuracy.Here, the depth of chip space 124
For 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 guarantees ideal structural strength and machining accuracy.
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 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.
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, the manufacturing method of polycrystalline diamond entirety cutting tool further includes step E: in a plurality of blades 123
Circumferential spread in the heart channel of Hang-Shaoyin be laser-cut into type evacuation stomidium 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]
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 manufacturing method of polycrystalline diamond entirety cutting tool characterized by comprising
Benchmark grip shank by the grinding of grip shank blank to preset precision with basic shaft system；
By vacuum welding after polycrystalline diamond cutter head blank and benchmark grip shank centering contraposition clamping, welding temperature 600
DEG C~700 DEG C, weld interval is 2~3 hours；
The polycrystalline diamond cutter head blank is ground to default precision on the basis of the benchmark grip shank；
Cyclization is formed one by one through laser cutting far from one end of the benchmark grip shank in the polycrystalline diamond cutter head blank
The a plurality of blades and the chip space between the blade of shape distribution, so that polycrystalline diamond entirety cutting tool is obtained,
The tread of the blade is 0.04~0.1mm, and the edge surface roughness Ra of the blade is 0.1~0.4 μm, the chip space
Depth be 0.08~0.15mm.
2. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the plycrystalline diamond
Diamond segment blank includes welding base and polycrystalline diamond layer, and the polycrystalline diamond layer sinter molding is in the welding base
Layer one end, the welding one end vacuum welding of the base far from the polycrystalline diamond layer are described in the benchmark grip shank
Blade is shaped in the one end of the polycrystalline diamond layer far from the welding base.
3. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 2, which is characterized in that the welding
Base is respectively prepared with the grip shank blank by same material.
4. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the clamping
The grinding method of handle blank is centreless grinding or peripheral milling.
5. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the plycrystalline diamond
The grinding method of diamond segment blank is peripheral milling.
6. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the plycrystalline diamond
Diamond segment and the welding manner of the benchmark grip shank are vacuum brazing, and solder is silver solder.
7. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the blade
The a length of 1~3mm of sword.
8. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the plycrystalline diamond
The helical angle of diamond entirety cutting tool is 35 °~60 °.
9. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the blade
Quantity be 43~50 and annular is uniformly distributed.
10. the manufacturing method of polycrystalline diamond entirety cutting tool according to claim 1, which is characterized in that the base
The concentricity of quasi- grip shank and the polycrystalline diamond cutter head blank is 0.002~0.01mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091250A (en) * | 2019-04-30 | 2019-08-06 | 深圳市力博刀具技术有限公司 | PCD bistrique and its processing method |
| 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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