CN109202060A - Sintered diamond tool and application thereof and preparation method - Google Patents
Sintered diamond tool and application thereof and preparation method Download PDFInfo
- Publication number
- CN109202060A CN109202060A CN201810972117.4A CN201810972117A CN109202060A CN 109202060 A CN109202060 A CN 109202060A CN 201810972117 A CN201810972117 A CN 201810972117A CN 109202060 A CN109202060 A CN 109202060A
- Authority
- CN
- China
- Prior art keywords
- sintered
- diamond tool
- carcass
- powder
- parts
- 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.)
- Pending
Links
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 82
- 239000010432 diamond Substances 0.000 title claims abstract description 82
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 66
- 239000000919 ceramic Substances 0.000 claims abstract description 40
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 21
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005245 sintering Methods 0.000 claims abstract description 17
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 10
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 239000011812 mixed powder Substances 0.000 claims abstract description 8
- 238000003801 milling Methods 0.000 claims description 23
- 238000003754 machining Methods 0.000 claims description 9
- 239000011435 rock Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 7
- 238000005238 degreasing Methods 0.000 description 7
- 238000007731 hot pressing Methods 0.000 description 7
- 239000010949 copper Substances 0.000 description 6
- 238000000498 ball milling Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- BPJYAXCTOHRFDQ-UHFFFAOYSA-L tetracopper;2,4,6-trioxido-1,3,5,2,4,6-trioxatriarsinane;diacetate Chemical compound [Cu+2].[Cu+2].[Cu+2].[Cu+2].CC([O-])=O.CC([O-])=O.[O-][As]1O[As]([O-])O[As]([O-])O1.[O-][As]1O[As]([O-])O[As]([O-])O1 BPJYAXCTOHRFDQ-UHFFFAOYSA-L 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000012387 aerosolization Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000007780 powder milling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B22F1/0003—
-
- 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
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
-
- 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
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
- B28D1/146—Tools therefor
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Abstract
The invention discloses a kind of sintered diamond tool and application thereof and preparation methods, to solve the technical issues of being effectively reduced to the hard brittle materials mechanical processing difficulty such as aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics, zirconia ceramics.Sintered diamond tool includes the sintered powder containing carcass with the diamond particles anchored on carcass, wherein the carcass is mainly made of W and 30-80 parts of the Fe of Co, 0.5-10 part of 5-50 parts in parts by mass Cu, 3-30 part.The preparation method of sintered diamond tool includes stock, molding and sintering process, the procedure for preparation includes obtaining the operation of the mixed powder containing carcass powder raw material and diamond particles raw material, wherein, the carcass powder raw material is mainly made of W and 30-80 parts of the Fe of Co, 0.5-10 part of 5-50 parts in parts by mass Cu, 3-30 part.
Description
Technical field
The present invention relates to a kind of diamond tools, and in particular to a kind of sintered diamond tool and application thereof and preparation side
Method.
Background technique
Currently, answering the hard crisp ceramic material such as aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics, zirconia ceramics
It is more extensive with demand.Since above-mentioned ceramic material is again very poor with high hardness and fusing point but toughness, therefore to their machine
Tool difficulty of processing is very high, main at present that method is made to manufacture and be made of above-mentioned ceramic material using powder metallurgic method and monocrystalline
Part.But powder metallurgic method and monocrystalline are made method and are difficult to carry out accurate, complete one-pass molding to part, especially
Counter bore structure, step structure and inner-cavity structure on part etc. are even more to be difficult to form.Therefore, for the current market demand and system
The contradiction between level is made, a kind of desired solution route is by finding suitable machine tools and machining work
Skill cooperates existing machining tool or equipment, reduces the mechanical processing difficulty to above-mentioned ceramic material.
Due to above-mentioned ceramic material extreme hardness, the machine tools using high-speed steel, hard alloy, cermet are equal
It is difficult to meet the requirements, therefore can only generally select diamond tool.It is divided from the preparation process of diamond tool, diamond tool
It can be divided mainly into sintered diamond tool and plating diamond tool.Wherein, sintered diamond tool is a kind of will to contain carcass
The mixed powder of powder raw material and diamond particles passes through the sintered powder being prepared after the processes such as molding, sintering, mixed powder
In carcass powder raw material form the carcass that diamond particles can be tightly plated thereon after sintering.However, existing sintering
Diamond tool is mainly the cutting tools such as saw blade and drill bit-like tool, thus is not used to molding counter bore structure, step structure
The commonly required Milling Process with inner-cavity structure etc.；Even if the shape and structure that change these tools enable to add for specific
Work type, but due to the variation of the operating conditions such as stress, temperature, it tends to be difficult to meet the requirement under particular process type.
Therefore, such as the Milling Process of counter bore structure, step structure and inner-cavity structure is carried out, plating can only be used at present
Diamond tool.Plating diamond tool securely fixes one layer of diamond particles by one layer of metallic bond of chemical deposition
In base metal surface, the thickness of metallic bond is approximately the 1/2-2/3 of diamond particles layer height, therefore is gone out with excellent
Sword height, but following deficiency is shown when processing above-mentioned ceramic material: layers of diamond particles, which is easily peeled off, causes tool to use
Service life is shorter, and then causes number of changing knife in process frequent, and excessive number of changing knife not only reduces working efficiency, simultaneously
Secondary tool-setting error and machined trace are also easy to produce so that workpiece is scrapped；Higher height of protrusion is easy to cause the ceramic material of low tenacity
Material collapses scarce；Workpiece surface finish is poor after processing, workpiece surface quality is not high.
Summary of the invention
The purpose of the present invention is to provide a kind of sintered diamond tool and application thereof and preparation methods, to solve effectively drop
The low technology to the hard brittle materials mechanical processing difficulty such as aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics, zirconia ceramics is asked
Topic.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of sintered diamond tool.The burning
Diamond tool is tied, including the sintered powder containing carcass with the diamond particles anchored on carcass, wherein the carcass
Mainly it is made of W and 30-80 parts of the Fe of Co, 0.5-10 part of 5-50 parts in parts by mass Cu, 3-30 part.
Be further, the carcass by Cu, 3-30% by mass parts percentages 5-50% Co, 0.5-10%
W, the Si of the 0.1-15% and Fe of surplus and inevitable impurity are constituted.
It is further that the carcass contains Co, 2-10% of Cu, 5-25% by mass parts percentages 10-30%
W and 2-15% Si.
It is further that the diamond particles are single-crystalline diamond.
It is further that the sintered powder has rotary shaft when carrying out machining work with the sintered powder
Perpendicular end face, the end face are Milling Process working face.
It is further that the sintered powder is that an end face of a hollow cylinder and the hollow cylinder is milling
Processing work face；The groove of at least one lateral direction penetrating hollow cylinder inside and outside is provided on the Milling Process working face.Its
In, the groove may include a pair of cross recess centered on the axle center of the rotary shaft.
It is further that the outer diameter of the sintered powder is 5-12mm, internal diameter 2-8mm, is highly 5-15mm, described
The depth of groove is 0.5-2.5mm.
To achieve the goals above, according to another aspect of the present invention, any one of the above sintered diamond is provided
Purposes of the tool in hard brittle material machining.
Wherein, the hard brittle material refers in aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics and zirconia ceramics
In the hardness and toughness of any one or hard phase and aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics and zirconia ceramics
Any one same or similar material.
To achieve the goals above, according to a further aspect of the invention, a kind of system of sintered diamond tool is provided
Preparation Method.This method includes stock, molding and sintering process, and the procedure for preparation includes obtaining to contain carcass powder raw material and gold
The operation of the mixed powder of hard rock particulate material, wherein the carcass powder raw material is mainly by 5-50 parts in parts by mass Cu, 3-
W and 30-80 parts of the Fe of 30 parts Co, 0.5-10 part is constituted.
Above-mentioned carcass powder raw material has very high compression moulding and press strengthi, and when molding is less prone to layering and collapses
It lacks.Also, the carcass powder raw material has preferable sintering activity and densified sintering product performance.In addition, the carcass powder raw material with
There is high temeperature chemistry inertia, when sintering is not in the high temperature cabonization of diamond particles raw material between diamond particles raw material.On
The carcass that the sintering of carcass powder raw material is changed into sintered powder is stated, which shows to the preferable holding power of diamond particles
And binding force, it ensure that the sintered diamond tool subsequent good processing service life.It can be generated when processing hard brittle material a large amount of
Hard abrasive dust and heat, the carcass have good heat dissipation performance and wear-resistant bits wear resistance；And the addition of Co ensures powder
The heat-resisting ability of sintered body, and the addition of Cu then increases the thermal conductivity of sintered powder.Therefore, sintering Buddha's warrior attendant of the invention
Lapicide's tool is suitable for carrying out the hard brittle materials such as aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics, zirconia ceramics mechanical add
Work.
The present invention is described further with reference to the accompanying drawings and detailed description.The additional aspect of the present invention and excellent
Point will be set forth in part in the description, and partially will become apparent from the description below, or practice through the invention
It solves.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to assist the understanding of the present invention, content provided in attached drawing and its
Related explanation can be used for explaining the present invention in the present invention, but not constitute an undue limitation on the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of one embodiment of sintered diamond tool of the invention.
Fig. 2 is sectional view along A-A in Fig. 1.
Fig. 3 is Fig. 1, the SEM micrograph of sintered powder in sintered diamond tool shown in 2.
Specific embodiment
Clear, complete explanation is carried out to the present invention with reference to the accompanying drawing.Those of ordinary skill in the art are being based on these
The present invention will be realized in the case where explanation.Before in conjunction with attached drawing, the present invention will be described, of particular note is that:
The technical solution provided in each section including following the description, technical characteristic in the present invention are not being rushed
In the case where prominent, these technical solutions, technical characteristic be can be combined with each other.
In addition, the embodiment of the present invention being related in following the description is generally only the embodiment of a branch of the invention, and
The embodiment being not all of.Therefore, based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, should fall within the scope of the present invention under the premise of labour.
About term in the present invention and unit.Term in description and claims of this specification and related part
" comprising ", " containing ", " having " and their any deformation, it is intended that cover and non-exclusive include.Its in the present invention
His relational language and unit can reasonably be explained based on related content of the present invention.
Fig. 1 is the structural schematic diagram of one embodiment of sintered diamond tool of the invention.Fig. 2 be in Fig. 1 A-A to cuing open
View.Fig. 3 is Fig. 1, the SEM micrograph of sintered powder in sintered diamond tool shown in 2.As shown in Figure 1-3, sintering
Diamond tool includes the sintered powder 100 containing carcass 101 with the diamond particles 102 anchored on carcass 101.
Above-mentioned sintered powder 100 needs to be processed to specific shape and structure, to adapt to specific processing type.Example
Such as, when sintered diamond tool is used for sawing, sintered powder 100 usually requires the shape and structure that are processed into saw blade.
For another example, when sintered diamond tool is as drill bit, sintered powder 100 needs to be processed into the shape and structure of drill bit.
In actual use, above-mentioned sintered powder 100 generally also needs to be mounted on suitable with 100 phase of the sintered powder
On the connecting elements 200 answered, thus by the connecting elements 200 by sintered diamond tool be installed to specific machining tool or
In equipment.For example, sintered powder 100, which generally requires, to be mounted on when cutting part of the sintered diamond tool as milling cutter
In one steel handle, and then sintered diamond tool is mounted on to the rotation fortune on the main shaft of lathe and transmitting main shaft by the steel handle
It is dynamic.
Sintered powder 100 is the common trait that existing sintered diamond tool has.In this specification reality below
It applies in example, it will be specifically for the sintering for being used for Milling Process counter bore structure, step structure and inner-cavity structure etc. on hard brittle material
Diamond tool, mainly from the shape of sintered powder and structure, the preparation of sintered diamond tool and sintered diamond work
Tool the present invention will be described for the use of several.
It should be pointed out that above-mentioned hard brittle material refers to aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics and zirconium oxide
The hardness and toughness and aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics and oxidation of any one or hard phase in ceramics
Any one same or similar material in zircon ceramic.It will be by taking the hard brittle material of part as an example in this specification embodiment below
Explanation.
One, the shape and structure of sintered powder
By using sintered diamond tool on hard brittle material Milling Process counter bore structure, step structure and inner-cavity structure
Process analysis procedure analysis and experimental study, complicated normal force and horizontal force inventor's discovery: are born when sintered diamond tool works
Reciprocation and in the reciprocal mechanical environment of fatigue, at this time due to the lower fracture toughness of hard brittle material, chip is easily disconnected
It splits and exists with micronised state, this micro mist is easy to blocking sintered diamond tool and influences to radiate, to increase difficult processing
Degree.
Therefore, the shape of sintered powder and structure are designed, other than the requirement for meeting Milling Process itself, is also needed
It will special consideration should be given to chip removals and heat dissipation problem.And such problems, it is in the past enterprising in hard brittle material using plating diamond tool
It is easy to ignore when the Milling Process of row counter bore structure, step structure and inner-cavity structure etc..To solve the above problems as starting point,
In present invention embodiment below, sintered powder 100 is specifically designed as following shape and structure.
As shown in Figs. 1-2, the sintered powder 100 of sintered diamond tool is that a hollow cylinder (contains in cylindrical body
Have inner hole 110) and the hollow cylinder an end face be Milling Process working face 130, carry out machining work when powder burn
Knot body 100 is rotated around the rotary shaft (as shown in Fig. 2 chain lines) of the hollow cylinder, the rotary shaft and milling of the hollow cylinder
It is vertical to cut processing work face 130.
In addition, being also provided with the groove 120 of lateral direction penetrating hollow cylinder inside and outside on the Milling Process working face 130.
And the preferred embodiment as groove 120, as shown in Figure 1, the groove 120 constitutes a pair of rotary shaft with hollow cylinder
Axle center centered on cross recess.
In general, it can be 2-8mm (inner hole 110 that the outer diameter of above-mentioned sintered powder 100, which can be 5-12mm, internal diameter,
When for circular hole and with the coaxial arrangement of the outer diameter of hollow cylinder 100), it highly can be 5-15mm, the depth of the groove 120 is
It can be 0.5-3mm with 0.5-2.5mm, width.
As shown in Fig. 2, above-mentioned sintered powder 100 (i.e. sintered diamond tool) is mounted on the connecting elements of a shaft-like
In 200 (effect is with above-mentioned steel handles), the hollow cylinder of the connecting elements 200 and sintered powder 100 is coaxial arrangement,
Wherein, a part cooperation of the inner hole 110 of the shaft shoulder 210 and hollow cylinder of connecting elements 200.
Sintered diamond tool can be installed on the main shaft of numerically-controlled machine tool, worked by above-mentioned connecting elements 200
When the rotary motion of main shaft of numerical control machine tool is transmitted on sintered diamond tool by connecting elements 200, and added using milling
Work working face 130 realizes the Milling Process to hard brittle material.
Since sintered powder 100 is set as being provided with lateral direction penetrating sky on hollow cylinder and Milling Process working face 130
The groove 120 of heart cylindrical body inside and outside, therefore the sintered powder 100 has preferable chip removal when Milling Process, heat dissipation effect
Fruit.
For the shape and structure of sintered powder, the relevant information such as table 1 of the sintered diamond tool in embodiment 1-8
It is shown.
Table 1
It should be pointed out that the content that embodiment number listed in table 1 is corresponding, with the part below this specification
Present in identical embodiment number corresponding content, belong to the same embodiment.
Two, the preparation of sintered diamond tool
In the embodiment of the present invention, the preparation process flow of sintered diamond tool include stock, molding, degreasing, sintering,
Connecting elements and fluting repairing type totally six steps are installed.This six steps are specifically described separately below.
[stock]
A. mixing
Use aerosolization spherical powder for carcass powder raw material, the oxygen content in carcass powder raw material is not more than 0.15%
(weight percent).
Carcass powder raw material is uniformly mixed in tumbling ball mill simultaneously with diamond particles raw material, is mixed
Close powder.
Using 8mm zirconia ball as ball milling abrading-ball, dry type ball milling, ratio of grinding media to material 1:1, mixing are carried out using argon atmosphere
The total volume packing factor of powder and ball milling abrading-ball is less than 1/2,80 rpms of drum's speed of rotation, and mixing time is 12 hours.
Period, ball mill, which is arranged every 5 minutes, to be inverted, until mechanical milling process is completed.
The specific ingredient and related request such as table 2 of carcass powder raw material and diamond particles raw material are directed in embodiment 1-8
It is shown.
Table 2
Remarks: the granularity of diamond particles raw material can be selected according to processing.The content of diamond particles raw material
Generally are as follows: diamond particle content 1-7 carats in mixed powder per cubic centimeter.
B. it is granulated
After stopping ball milling, mixed powder is slowly got out using container.It avoids shaking in transport process, it is inclined to prevent powder
Analysis.
In addition, mixed powder quiescent time no more than 2 hours, during which must carry out mixing glue granulation, to avoid inclined as early as possible after ball milling
Analysis.
Use stearic acid for adhesive for granulating, additional proportion is 1% (mass ratio), stearic by solvent heating and melting of alcohol
It is added after acid, alcohol and stearic mass ratio are 10:1.
Drying-granulating is stirred in pelletizer, mixing time is 1 hour.
It is sieved through with 50 mesh stainless steels and filters partial size less than 50 purposes not granulating powder, the apparent density of powder is after granulation
1.9-2.8g/cm3。
[molding]
Powder after granulation is pressed and molded, sintered powder green compact is obtained.
When compression molding pressure be 50MPa, the dwell time 3 seconds.
[degreasing]
Sintered powder green compact is placed in perforated steel plate, degreasing is carried out in hydrogen meshbeltfurnace.
Highest temperature skimming temp is 450 DEG C, and highest temperature degreasing soaking time is 30 minutes.
It is slowly heated up in 300 DEG C to 400 DEG C warm areas using the heating rate of 20 DEG C/h, in 400 DEG C to 450 DEG C warm areas
Using the heating rate of 50 DEG C/h.
Cooling obtains degreasing green compact after the completion of degreasing.
[sintering]
Using hot pressing and sintering technique.Specifically:
It is suppressed using combined type graphite jig, pressing pressure is 20Mpa (generally can be 10-25MPa), graphite mo(u)ld
Tool internal diameter is 0.15mm bigger than degreasing green compact outer diameter, and hot pressing temperature is 900 DEG C (generally can be 850-950 DEG C), warm dwell time
It is 8 minutes (generally can be 2-10 minutes), is rapidly heated using the rate of 50 DEG C/min.
Core bar is cooled down and deviate from after the completion of sintering, obtains hot pressing base.
[installation connection structure]
First the inner hole of hot pressing base clear up.
Then it uses epoxy resin and solidifies the bonding that dosage form AB glue (1:1 type) carries out hot pressing base and connecting elements 200, heat
The gap of 210 outer diameter of the shaft shoulder of compact inner holes and connecting elements 200 is 0.03-0.05mm, is uniformly coated on bonding plane one layer thin
Glue.
After viscose glue, hot pressing base and connecting elements 200 are fixedly clamped, loosening and center displacement are prevented, is put into baking oven
In 100 DEG C solidify 2 hours.
[fluting repairing type]
It carries out cross recess or flat recess fluting on hot pressing base respectively using electric spark copper electrode, obtains sintered powder.
Later, cylindrical finishing is carried out to sintered powder by grinding wheel.
After repairing type, processing of putting the first edge on a knife or a pair of scissors is carried out by Milling Process working face of the grinding wheel to sintered powder.
Hereafter, 200 cylindricalo grinding of connecting elements is finished.
Finally obtain finished product.
According to the above method, the sintered diamond tool of embodiment 1-10 is respectively obtained.As shown in Fig. 2, these sintered golds
Hard rock tool is separately mounted on connecting elements 200, forms the machining tool of similar milling cutter.
Three, the use of sintered diamond tool
Prepare 10 pieces of alumina ceramic plates (quality of alumina percentage 99%), is existed respectively using the cutter of embodiment 1-10
Milling Process goes out the blind slot of a long 60mm, width 28mm, depth 5mm on different alumina ceramic plates.
Working process parameter setting are as follows: bite 0.006mm, feed speed 800mm/min, cutter revolving speed 7800rpm；It adopts
With S type plane feed, the round-trip lateral depth of cut is 4mm every time.Each layer of feed distance is 56*6=336mm.
According to above-mentioned working process parameter, it is assumed that midway not tool changing and cutter do not wear, then process one within every 25 seconds
The theoretical time that layer, i.e. machine tool chief axis band cutter move down 0.006mm, therefore processes 5mm depth blind slot is 361 minutes.
In the case where not tool changing halfway, machine tool chief axis can be calculated according to the real time of processing 5mm depth blind slot
Difference between the 5mm depth of the actual range of downlink, the actual range and blind slot is exactly the thickness of tool wear.And then it can be with
Workpiece removal the ratio between volume and tool wear volume are calculated, the ratio is bigger, illustrates that the antiwear property of cutter is stronger, on the contrary
It is weaker.
For example, main shaft downlink about 5.43mm can be calculated if the real time of processing 5mm depth blind slot is 380min.Therefore
Tool wear is with a thickness of 0.43mm.It is about 8400mm that workpiece, which removes volume,3, tool wear volume is 10.34mm3, therefore workpiece removes
The ratio between volume and tool wear volume are 812:1.
The cutter service condition ginseng of embodiment 1-10 is shown in Table 3.
Table 3
Four, comparative example
Using the cutter of 150 mesh of band (D107 microns of partial size) plating diamond tool, using identical as above-mentioned processing technology
Processing technology, process a long 60mm, width 28mm, depth in alumina ceramic plate (quality of alumina percentage 99%)
The blind slot of 5mm.Whole process has used 6 cutters (wherein scrapping 5).
Related content of the invention is illustrated above.Those of ordinary skill in the art are in the feelings illustrated based on these
The present invention will be realized under condition.Based on above content of the invention, those of ordinary skill in the art are not making creativeness
Every other preferred embodiment and embodiment obtained, should fall within the scope of the present invention under the premise of labour.
Claims (10)
1. sintered diamond tool, special including the sintered powder containing carcass with the diamond particles anchored on carcass
Sign is: in the sintered powder, the carcass is mainly by Co, 0.5-10 of 5-50 parts in parts by mass Cu, 3-30 part
The W of part and 30-80 parts of Fe are constituted.
2. sintered diamond tool as described in claim 1, it is characterised in that: the carcass is by pressing mass parts percentages 5-
The Si of W, 0.1-15% of Co, 0.5-10% of 50% Cu, 3-30% and the Fe of surplus and inevitable impurity are constituted.
3. sintered diamond tool as claimed in claim 2, it is characterised in that: the carcass contains by mass parts percentages
The Si of the W and 2-15% of Co, 2-10% of Cu, 5-25% of 10-30%.
4. sintered diamond tool as claimed in claim 1,2 or 3, it is characterised in that: the diamond particles are monocrystalline gold
Hard rock particle.
5. sintered diamond tool as claimed in claim 1,2 or 3, it is characterised in that: the sintered powder has and this
Sintered powder carries out the perpendicular end face of rotary shaft when machining work, which is Milling Process working face.
6. sintered diamond tool as claimed in claim 5, it is characterised in that: the sintered powder is a hollow cylinder
One end face of body and the hollow cylinder is Milling Process working face；At least one transverse direction is provided on the Milling Process working face
Penetrate through the groove of hollow cylinder inside and outside.
7. sintered diamond tool as claimed in claim 6, it is characterised in that: the groove includes a pair with the rotary shaft
Axle center centered on cross recess.
8. sintered diamond tool as claimed in claim 5, it is characterised in that: the outer diameter of the sintered powder is 5-
It 12mm, internal diameter 2-8mm, is highly 5-15mm, the depth of the groove is 0.5-2.5mm, width 0.5-3mm.
9. the sintered diamond tool as described in any one of claim 1-8 claim is in hard brittle material machining
Purposes；The hard brittle material refers to any one in aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics and zirconia ceramics
Kind or hard phase hardness and toughness with it is any in aluminium oxide ceramics, silicon nitride ceramics, silicon carbide ceramics and zirconia ceramics
A kind of same or similar material.
10. the preparation method of sintered diamond tool, including stock, molding and sintering process, it is characterised in that: the stock work
Sequence includes obtaining the operation of the mixed powder containing carcass powder raw material and diamond particles raw material, wherein the carcass powder is former
Material is mainly made of W and 30-80 parts of the Fe of Co, 0.5-10 part of 5-50 parts in parts by mass Cu, 3-30 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972117.4A CN109202060A (en) | 2018-08-24 | 2018-08-24 | Sintered diamond tool and application thereof and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972117.4A CN109202060A (en) | 2018-08-24 | 2018-08-24 | Sintered diamond tool and application thereof and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109202060A true CN109202060A (en) | 2019-01-15 |
Family
ID=64989254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810972117.4A Pending CN109202060A (en) | 2018-08-24 | 2018-08-24 | Sintered diamond tool and application thereof and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109202060A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3515524A (en) * | 1967-07-18 | 1970-06-02 | Z Jana Svermy Narodni Podnik | Sintered carbide compound |
| CN1055891A (en) * | 1990-04-18 | 1991-11-06 | Gn工具株式会社 | Throw-away tip and manufacture method thereof |
| CN101031377A (en) * | 2005-05-21 | 2007-09-05 | 钴碳化钨硬质合金公司 | Cutting insert for a tool in particular a milling tool |
| CN103180073A (en) * | 2010-10-27 | 2013-06-26 | 富士重工业株式会社 | Milling insert and milling tip-replacement-type rotary cutting tool |
| CN103464749A (en) * | 2013-09-18 | 2013-12-25 | 彭津 | Processing process of thin-wall diamond engineering drill bit |
| CN103692371A (en) * | 2013-12-30 | 2014-04-02 | 长沙市萨普新材料有限公司 | Metal-ceramic bond diamond grinding wheel and production method thereof |
| CN105921738A (en) * | 2016-05-04 | 2016-09-07 | 江苏科技大学 | Sintered diamond milling cutter blank with strong-holding capacity, milling cutter and manufacturing method for milling cutter |
| CN108356352A (en) * | 2018-04-20 | 2018-08-03 | 中南大学 | The orderly ultra-thin gear-like diamond saw blade of positioning reduction carcass self-forming and its manufacture craft |
-
2018
- 2018-08-24 CN CN201810972117.4A patent/CN109202060A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3515524A (en) * | 1967-07-18 | 1970-06-02 | Z Jana Svermy Narodni Podnik | Sintered carbide compound |
| CN1055891A (en) * | 1990-04-18 | 1991-11-06 | Gn工具株式会社 | Throw-away tip and manufacture method thereof |
| CN101031377A (en) * | 2005-05-21 | 2007-09-05 | 钴碳化钨硬质合金公司 | Cutting insert for a tool in particular a milling tool |
| CN103180073A (en) * | 2010-10-27 | 2013-06-26 | 富士重工业株式会社 | Milling insert and milling tip-replacement-type rotary cutting tool |
| CN103464749A (en) * | 2013-09-18 | 2013-12-25 | 彭津 | Processing process of thin-wall diamond engineering drill bit |
| CN103692371A (en) * | 2013-12-30 | 2014-04-02 | 长沙市萨普新材料有限公司 | Metal-ceramic bond diamond grinding wheel and production method thereof |
| CN105921738A (en) * | 2016-05-04 | 2016-09-07 | 江苏科技大学 | Sintered diamond milling cutter blank with strong-holding capacity, milling cutter and manufacturing method for milling cutter |
| CN108356352A (en) * | 2018-04-20 | 2018-08-03 | 中南大学 | The orderly ultra-thin gear-like diamond saw blade of positioning reduction carcass self-forming and its manufacture craft |
Non-Patent Citations (3)
| Title |
|---|
| 储志强等: "金刚石制品胎体金属粉末材料的分类与组成元素的作用机理", 《金属材料与冶金工程》 * |
| 唐华生: "国外粉末冶金金刚石工具的发展和应用", 《金刚石与磨料磨具工程》 * |
| 瞿光辉等: "《超硬材料烧结体制造》", 30 June 1993, 全国磨料磨具行业情报网 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106956224B (en) | A kind of skive stick and preparation method thereof | |
| CN1014306B (en) | Low pressure bonding of pcd bodies and method | |
| CN103722174A (en) | Self-sharpening polycrystalline diamond compact and preparation method thereof | |
| CN102319934A (en) | Brazing process of diamond saw blade | |
| CN109794862A (en) | Stainless steel pulp cavity reamer combined binder CBN grinding wheel and its application | |
| CN101502926B (en) | Superhard material cutting tool and preparation method thereof | |
| CN105598859A (en) | Large-pore CBN grinding wheel for machining sliding vanes of compressor | |
| CN109277957B (en) | Cutter head with uniformly distributed diamonds and preparation process thereof | |
| CN110732983A (en) | Repair-free superhard grinding wheel for processing hard and brittle materials and preparation method thereof | |
| CN109551386B (en) | Multifunctional diamond grinding wheel for grinding and cutting | |
| CN110509194B (en) | Low-temperature ceramic-metal composite bonding agent for grinding tool and preparation method thereof | |
| CN108943424B (en) | Ultra-thin ceramic ripple saw bit instrument | |
| CN109202060A (en) | Sintered diamond tool and application thereof and preparation method | |
| CN209408964U (en) | Composite diamond cutter head and diamond saw blade | |
| CN108818331B (en) | Bronze-based CBN grinding wheel and preparation method thereof | |
| CN107378802B (en) | A kind of grinding wheel and preparation method thereof for QFN encapsulation chip cutting | |
| CN110551483B (en) | Method for preparing cubic boron nitride titanium carbide composite abrasive | |
| CN108913971B (en) | Ultrathin herringbone ceramic corrugated sheet and preparation method thereof | |
| CN113681004A (en) | Preparation method of high-cost-performance fine cut sheet and fine cut sheet | |
| CN112720280A (en) | Long-life resin-based cutting blade and preparation method thereof | |
| CN109365827A (en) | One kind is dry to cut diamond saw blade and preparation method thereof | |
| CN112195383B (en) | Novel matrix material and diamond segment | |
| CN117207362B (en) | Low-noise marble trimming saw blade and preparation method thereof | |
| CN112222411B (en) | Diamond segment and preparation method thereof | |
| CN111070423A (en) | Diamond saw blade and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |