CN106399794B - A kind of hard alloy cutting tool material and preparation method thereof - Google Patents
A kind of hard alloy cutting tool material and preparation method thereof Download PDFInfo
- Publication number
- CN106399794B CN106399794B CN201610961199.3A CN201610961199A CN106399794B CN 106399794 B CN106399794 B CN 106399794B CN 201610961199 A CN201610961199 A CN 201610961199A CN 106399794 B CN106399794 B CN 106399794B
- Authority
- CN
- China
- Prior art keywords
- hard alloy
- cutting tool
- preparation
- wet
- alloy cutting
- 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.)
- Active
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 40
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 34
- 238000005520 cutting process Methods 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 title claims description 28
- 238000001238 wet grinding Methods 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 23
- 238000010791 quenching Methods 0.000 claims abstract description 23
- 230000000171 quenching effect Effects 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000010439 graphite Substances 0.000 claims abstract description 18
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000005245 sintering Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910017709 Ni Co Inorganic materials 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 17
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 235000019580 granularity Nutrition 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000008267 milk Substances 0.000 claims description 9
- 210000004080 milk Anatomy 0.000 claims description 9
- 235000013336 milk Nutrition 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000001694 spray drying Methods 0.000 claims description 7
- 229910003267 Ni-Co Inorganic materials 0.000 claims description 6
- 229910003262 Ni‐Co Inorganic materials 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 239000007770 graphite material Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002929 anti-fatigue Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000001291 vacuum drying Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of preparation method of hard alloy cutting tool, including dispensing, wet-milling, drying and granulating or vacuum drying powder processed, compacting, sintering, quenching, deep cooling and the process of detection, the wherein Fe Ni Co of dispensing are to add TiC in Binder Phase, dispensing:5.0%~10%, the anti-fatigue performance and toughness of the hard alloy that above-mentioned dispensing can be improved by quenching and deep cooling process improve the hardness of hard alloy, improve product service life, production cost can be effectively reduced while performance is met；Special graphite boat is suppressed the invention also discloses one kind, stress deformation can be effectively reduced and improve stacking effect.
Description
Technical field
The present invention relates to a kind of preparation method of hard alloy cutting tool, it is specifically related to a kind of for slitting corrugated paper
The novel hard alloy cutter of production industry.
Background technology
Hard alloy is the one kind being made up of the hard compounds and binding metal of refractory metal of powder metallurgical technique
Alloy material.A series of premium properties such as hard alloy has high, wear-resisting hardness, intensity and toughness is preferable, heat-resisting, corrosion-resistant,
Particularly its high rigidity and wearability, is also held essentially constant at a temperature of 500 DEG C, still has very high at 1000 DEG C
Hardness.Hard alloy is widely used as cutter material, and such as lathe tool, milling cutter, planing tool, drill bit, boring cutter for cutting cast iron, have
Non-ferrous metal, plastics, chemical fibre, graphite, glass, stone material and common iron, may also be used for cutting heat resisting steel, stainless steel, potassium steel,
The difficult to machine materials such as tool steel.Hard alloy belongs to composite, mainly by hard phase and bonding phase composition, wherein, hard
Material hardness and wearability are mutually assigned, and bond matrix mutually assigns the certain plasticity and toughness of material and intensity.Hard alloy can be used as
The metal of Binder Phase, not only needs have good wetability to hard phase, also to have certain solid solubility, iron to hard phase
Race's element of Fe, Ni and Co meet conditions above.
But, the anti-fatigue performance and toughness of existing hard alloy are not high enough；Because cobalt resource is limited now and city of cobalt
Field price is higher, so that CEMENTED CARBIDE PRODUCTION cost can be in any more, while improving the cost of hard alloy；Existing hard is closed
Jin Jun is using Co as binding agent；It should be sufficiently mixed before raw material drying uniform；There is stress deformation in existing hard alloy graphite boat
The problem of with DeGrain is stacked.
The content of the invention
The technical problems to be solved by the invention are：A kind of anti-fatigue performance and the higher hard alloy material of toughness are provided
Material, while improving the hardness of existing hard alloy, improving the service life of product.
In order to solve the above-mentioned technical problem, the invention discloses a kind of preparation method of hard alloy cutting tool, including
Following steps：
Step one, dispensing：Fe, Co, Ni, TiC and WC addition wet milk are mixed；The new material by weight hundred
Ratio is divided to be prepared from by the following raw material：Fe:5%~30%, Co:5~20%, Ni:0.5~5%, TiC:3~15%, surplus:
WC；；
Step 2, wet-milling：Raw material, wet grinding media and the forming agent that step one is prepared together are added in wet milk and mixed
Uniformly, the wet-milling time is 24h~28h；
Step 3, drying and granulating：The good compound of wet-milling is subjected to compound drying and granulating in spray drying tower；
Step 4, compacting:The good compound of drying and granulating is compressing through forcing press, and pressure value is：0.3MPa~
1.0MPa；
Step 5, sintering:Compressing blank is installed with graphite material boat and is put into vacuum sintering furnace, through 1360
DEG C~1420 DEG C of high temperature sintering, novel hard alloy material is made；
Step 6, quenching:The Hardmetal materials sintered are put into glowing furnace and carry out Quenching Treatment, 900 DEG C of temperature
~1100 DEG C, 15min~20min is incubated, very fast cooling in quenching special oil is put into afterwards, cool time is 1min~2min；
Step 7, deep cooling:Material after step 6 Quenching Treatment, which is put into deep cooling stove, carries out subzero treatment, cryogenic temperature
For -160 DEG C~-190 DEG C, the deep cooling time is:12h~24h；
Further, in the step one Fe powder granularity be 0.8um~1.0um, Co granularities≤1.0um, Ni granularities≤
1.0um, the Fe-Ni-Co are Binder Phase.
Further, wet grinding media is >=95% absolute ethyl alcohol in the step 2, and the additional proportion of absolute ethyl alcohol is：
330ml alcohol/kg raw materials；Forming agent is:PEG, additional proportion is 2%~3%.
Further, spray drying tower top inlet temperature is in the step 3：180 DEG C~230 DEG C, bottom of towe outlet temperature
For：90 DEG C~100 DEG C, drying tower internal pressure is：1.6kPa~2.0kPa.
Further, spray drying tower can also be vacuum drier in the step 3, its vacuum >=0.95MPa,
Drying time is 8h~12h；Compound powder processed after vacuum drier is dried, powder processed is sieved with the screen cloth of the mesh of 40 mesh~80
Powder processed.
Further, it is that ZZ-1 types quench special oil that special oil is quenched in the step 6.
The invention also discloses a kind of special stone of step 4 pressing process in preparation method of hard alloy cutting tool
Black boat, including try to get to the heart of a matter, outer eaves, be uniformly distributed outer eaves upper surface hole, be uniformly distributed outer eaves lower surface gusset and set
The cylinder in gusset lower surface is put, the cylinder adapts to the quantity and regular all same in hole, the hole and cylinder, the gusset
Extend sideways to center chassis line and overlap by outer eaves.
Further, the quantity of the hole and cylinder is 3.
Further, the height of the gusset is 5mm~8mm；The depth in the hole is 3mm or 4mm；The height of the cylinder
Spend for 3mm or 4mm.
Compared with prior art, the present invention can obtain following technique effect：
(1) present invention in TiC be added to improve alloy hardness, so as to improve the service life of product.
(2) each component raw material can be sufficiently well mixed by wet-milling in the present invention.
(3) compoiste adhering phase Fe-Ni-Co can effectively improve the anti-fatigue performance and toughness of alloy in the present invention, full
Production cost can be effectively reduced while sufficient performance.
(4) compound rate of drying is fast in the present invention, and feed liquid surface area after atomization is greatly increased, in hot-air flow,
Moment can evaporate 95%-98% moisture content, complete drying time and only need the several seconds, and material has the good uniformity and flowing
Property, product purity height, quality is good；Production process simplifies, convenient operation and control.
(5) gusset of special graphite boat extends sideways to center chassis line and overlapped by outer eaves in the present invention,
Reduce the possibility that graphite boat has stress deformation.
(6) hole of special graphite boat and the structure of cylinder can ensure that the stacking effect of graphite boat is good in the present invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, come for those of ordinary skill in the art
Say, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is schematic flow sheet of the present invention.
Fig. 2 is the schematic perspective view of special graphite boat of the present invention.
Fig. 3 is the schematic perspective view of another angle of special graphite boat of the present invention.
Wherein：1. try to get to the heart of a matter, 2. outer eaves, 3. cylinders, 4. gussets, 5. holes.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Below in conjunction with the accompanying drawings and specific embodiment to the present invention application principle be further described.
Embodiment one
As shown in figure 1, a kind of preparation method of hard alloy cutting tool, comprises the following steps：
Step one, dispensing：Fe, Co, Ni, TiC and WC addition wet milk are mixed；The new material by weight hundred
Ratio is divided to be prepared from by the following raw material：Fe:18%th, Co:8.0%th, Ni:4.0%th, TiC:8.0%, surplus is WC；
Step 2, wet-milling：Raw material, wet grinding media and the forming agent that step one is prepared together are added in wet milk and mixed
Uniformly, the wet-milling time is 24h~28h；
Step 3, drying and granulating：The good compound of wet-milling is subjected to compound drying and granulating in spray drying tower；
Step 4, compacting:The good compound of drying and granulating is compressing through forcing press, and pressure value is：0.3MPa~
1.0MPa；
Step 5, sintering:Compressing blank is installed with graphite material boat and is put into vacuum sintering furnace, through 1360
DEG C~1420 DEG C of high temperature sintering, novel hard alloy material is made；
Step 6, quenching:The Hardmetal materials sintered are put into glowing furnace and carry out Quenching Treatment, 900 DEG C of temperature
~1100 DEG C, 15min~20min is incubated, very fast cooling in quenching special oil is put into afterwards, cool time is 1min~2min；
Step 7, deep cooling:Material after step 6 Quenching Treatment, which is put into deep cooling stove, carries out subzero treatment, cryogenic temperature
For -160 DEG C~-190 DEG C, the deep cooling time is:12h~24h；
Step 8, detection.
Wherein：In the step one granularity of Fe powder be 0.8um~1.0um, Co granularities≤1.0um, Ni granularities≤
1.0um, the Fe-Ni-Co are Binder Phase.Wet grinding media is >=95% absolute ethyl alcohol in the step 2, absolute ethyl alcohol
Additional proportion is：330ml alcohol/kg raw materials；Forming agent is:PEG, additional proportion is 2%~3%.Sprayed in the step 3
Drying tower top inlet temperature is：180 DEG C~230 DEG C, bottom of towe outlet temperature is：90 DEG C~100 DEG C, drying tower internal pressure is：
1.6kPa~2.0kPa.It is that ZZ-1 types quench special oil that special oil is quenched in the step 6.
The density D=11.25g/cm of hard alloy cutting tool material is drawn after testing2, Rockwell hardness HRA=87.5,
Bending strength TRS=1985.0N/mm2。
Embodiment two
As shown in figure 1, a kind of preparation method of hard alloy cutting tool, comprises the following steps：
Step one, dispensing：Fe, Co, Ni, TiC and WC addition wet milk are mixed；The new material by weight hundred
Ratio is divided to be prepared from by the following raw material：Fe:20%th, Co:5.0%th, Ni:0.5%th, TiC:5.0%, surplus is WC；
Step 2, wet-milling：Raw material, wet grinding media and the forming agent that step one is prepared together are added in wet milk and mixed
Uniformly, the wet-milling time is 24h~28h；
Step 3, vacuum drier and powder processed, the good compound of wet-milling is dried in vacuum drier, and its vacuum >=
0.95MPa, drying time is 8h~12h；Compound powder processed after vacuum drier is dried, powder processed is with the purpose of 40 mesh~80
Screen cloth crosses sieve series powder；
Step 4, compacting:The good compound of drying and granulating is compressing through forcing press, and pressure value is：0.3MPa~
1.0MPa；
Step 5, sintering:Compressing blank is installed with graphite material boat and is put into vacuum sintering furnace, through 1360
DEG C~1420 DEG C of high temperature sintering, novel hard alloy material is made；
Step 6, quenching:The Hardmetal materials sintered are put into glowing furnace and carry out Quenching Treatment, 900 DEG C of temperature
~1100 DEG C, 15min~20min is incubated, very fast cooling in quenching special oil is put into afterwards, cool time is 1min~2min；
Step 7, deep cooling:Material after step 6 Quenching Treatment, which is put into deep cooling stove, carries out subzero treatment, cryogenic temperature
For -160 DEG C~-190 DEG C, the deep cooling time is:12h~24h；
Step 8, detection.
Wherein：In the step one granularity of Fe powder be 0.8um~1.0um, Co granularities≤1.0um, Ni granularities≤
1.0um, the Fe-Ni-Co are Binder Phase.Wet grinding media is >=95% absolute ethyl alcohol in the step 2, absolute ethyl alcohol
Additional proportion is：330ml alcohol/kg raw materials；Forming agent is:PEG, additional proportion is 2%~3%.Quenched in the step 6
Special oil is that ZZ-1 types quench special oil.
The density D=11.45g/cm of hard alloy cutting tool material is drawn after testing2, Rockwell hardness HRA=87.5,
Bending strength TRS=1647.0N/mm2。
Embodiment three
Embodiment three and the step of embodiment one or two are essentially identical, and difference is, new material by weight hundred in step one
Ratio is divided to be prepared from by the following raw material：Fe:30%th, Co:5.0%th, Ni:0.5%th, TiC:10%, surplus is WC.
Example IV
Example IV and the step of embodiment one or two are essentially identical, and difference is, new material by weight hundred in step one
Ratio is divided to be prepared from by the following raw material：Fe:5.0%th, Co:10%th, Ni:5.0%th, TiC:15%, surplus is WC.
Embodiment five
Example IV and the step of embodiment one or two are essentially identical, and difference is, new material by weight hundred in step one
Ratio is divided to be prepared from by the following raw material：Fe:10%th, Co:20%th, Ni:3.0%th, TiC:12%, surplus is WC.
Embodiment six
Example IV and the step of embodiment one or two are essentially identical, and difference is, new material by weight hundred in step one
Ratio is divided to be prepared from by the following raw material：Fe:10%th, Co:10%th, Ni:0.5%th, TiC:3.0%, surplus is WC.
Embodiment seven
As shown in Figures 2 and 3, a kind of special graphite boat for pressing process, including 1, outer eaves 2 of trying to get to the heart of a matter, uniform point
Cloth the outer upper surface of eaves 2 hole 5, be uniformly distributed the outer lower surface of eaves 2 gusset 4 and be arranged on the cylinder 3 of the lower surface of gusset 4,
The cylinder 3 adapts to hole 5, the hole 5 and the quantity and regular all same of cylinder 3, and the gusset 3 prolongs by the outer side of eaves 2
Reach the center line of chassis 1 and overlap.
Wherein：The quantity of the hole 5 and cylinder 3 is 3；The height of the gusset 4 is 5mm；The depth in the hole 5 is
4mm；The height of the cylinder 3 is 4mm.
Embodiment eight
As shown in Figures 2 and 3, a kind of special graphite boat for pressing process, including 1, outer eaves 2 of trying to get to the heart of a matter, uniform point
Cloth the outer upper surface of eaves 2 hole 5, be uniformly distributed the outer lower surface of eaves 2 gusset 4 and be arranged on the cylinder 3 of the lower surface of gusset 4,
The cylinder 3 adapts to hole 5, the hole 5 and the quantity and regular all same of cylinder 3, and the gusset 3 prolongs by the outer side of eaves 2
Reach the center line of chassis 1 and overlap.
Wherein：The quantity of the hole 5 and cylinder 3 is 3；The height of the gusset 4 is 8mm；The depth in the hole 5 is
3mm；The height of the cylinder 3 is 3mm.
What the beneficial effect in the present invention was realized in：
(1) in the present invention TiC the hardness for being added to improve alloy, the hard alloy cutter hardness containing TiC is high, resistance to
Mill property is good, and such cutting speed can be improved, therefore suitable for finishing, so as to improve the service life of product.
(2) wet-milling is that raw material, wet grinding media and the forming agent prepared together adds mixing in wet milk in the present invention, can
So that each component raw material to be sufficiently well mixed.
(3) compoiste adhering phase Fe-Ni-Co can effectively improve the anti-fatigue performance and toughness of alloy in the present invention, full
Production cost can be effectively reduced while sufficient performance.
(4) compound rate of drying is fast in the present invention, and feed liquid surface area after atomization is greatly increased, in hot-air flow,
Moment can evaporate 95%-98% moisture content, complete drying time and only need the several seconds, and material has the good uniformity and flowing
Property, product purity height, quality is good；Production process simplifies, convenient operation and control.
(5) gusset of special graphite boat extends sideways to center chassis line and overlapped by outer eaves in the present invention,
Reduce the possibility that graphite boat has stress deformation.
(6) hole of special graphite boat and the structure of cylinder can ensure that the stacking effect of graphite boat is good in the present invention.
Claims (9)
1. a kind of preparation method of hard alloy cutting tool, it is characterised in that comprise the following steps：
Step one, dispensing：Fe, Co, Ni, TiC and WC addition wet milk are mixed；The new material is by weight percentage
It is prepared from by the following raw material：Fe:5%~30%, Co:5~20%, Ni:0.5~5%, TiC:3~15%, surplus:WC；
Step 2, wet-milling：Raw material, wet grinding media and the forming agent that step one is prepared, which are together added in wet milk, mixes equal
Even, the wet-milling time is 24h~28h；
Step 3, drying and granulating：The good compound of wet-milling is subjected to compound drying and granulating in spray drying tower；
Step 4, compacting:The good compound of drying and granulating is compressing through forcing press, and pressure value is：0.3MPa~1.0MPa；
Step 5, sintering:Compressing blank is installed with graphite material boat and is put into vacuum sintering furnace, through 1360 DEG C~
1420 DEG C of high temperature sintering, is made novel hard alloy material；
Step 6, quenching:The Hardmetal materials sintered are put into glowing furnace and carry out Quenching Treatment, 900 DEG C of temperature~
1100 DEG C, 15min~20min is incubated, very fast cooling in quenching special oil is put into afterwards, cool time is 1min~2min；
Step 7, deep cooling:Material after step 6 Quenching Treatment, which is put into deep cooling stove, carries out subzero treatment, and cryogenic temperature is -160
DEG C~-190 DEG C, the deep cooling time is:12h~24h.
2. a kind of preparation method of hard alloy cutting tool according to claim 1, it is characterised in that：The step one
The granularity of middle Fe powder be 0.8um~1.0um, Co granularities≤1.0um, Ni granularities≤1.0um, the Fe-Ni-Co be Binder Phase.
3. a kind of preparation method of hard alloy cutting tool according to claim 1, it is characterised in that：The step 2
Middle wet grinding media is >=95% absolute ethyl alcohol, and the additional proportion of absolute ethyl alcohol is：330ml alcohol/kg raw materials；Forming agent is:
PEG, additional proportion is 2%~3%.
4. a kind of preparation method of hard alloy cutting tool according to claim 1 or 2, it is characterised in that：The step
Spray drying tower top inlet temperature is in rapid three：180 DEG C~230 DEG C, bottom of towe outlet temperature is：90 DEG C~100 DEG C, in drying tower
Portion's pressure is：1.6kPa~2.0kPa.
5. a kind of preparation method of hard alloy cutting tool according to claim 3, it is characterised in that：The step 3
Middle spray drying tower can also be vacuum drier, its vacuum >=0.95MPa, and drying time is 8h~12h；Compound passes through
Powder processed after vacuum drier is dried, powder processed is to cross sieve series powder with the screen cloth of the mesh of 40 mesh~80.
6. a kind of preparation method of hard alloy cutting tool according to claim 3, it is characterised in that：The step 6
Middle quenching special oil is that ZZ-1 types quench special oil.
7. for step 4 pressure in a kind of preparation method of hard alloy cutting tool any one of claim 1 to 5
The special graphite boat of process processed, it is characterised in that：Including trying to get to the heart of a matter (1), outer eaves (2), it is uniformly distributed in outer eaves (2) upper surface
Hole (5), be uniformly distributed outer eaves (2) lower surface gusset (4) and be arranged on the cylinder (3) of gusset (4) lower surface, the cylinder
(3) hole (5), the hole (5) and the quantity and regular all same of cylinder (3) are adapted to, the gusset (3) is by outer eaves (2) side
Face extends to chassis (1) center line and overlapped.
8. special graphite boat according to claim 7, it is characterised in that：The hole (5) and the quantity of cylinder (3) are
3.
9. the special graphite boat according to claim 7 or 8, it is characterised in that：The height of the gusset (4) be 5mm~
8mm；The depth of the hole (5) is 3mm or 4mm；The height of the cylinder (3) is 3mm or 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961199.3A CN106399794B (en) | 2016-10-28 | 2016-10-28 | A kind of hard alloy cutting tool material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961199.3A CN106399794B (en) | 2016-10-28 | 2016-10-28 | A kind of hard alloy cutting tool material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106399794A CN106399794A (en) | 2017-02-15 |
| CN106399794B true CN106399794B (en) | 2017-10-10 |
Family
ID=58013950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610961199.3A Active CN106399794B (en) | 2016-10-28 | 2016-10-28 | A kind of hard alloy cutting tool material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106399794B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042576A (en) * | 2017-03-27 | 2017-08-15 | 深圳市中天超硬工具股份有限公司 | Sinter cutter and its processing method |
| CN108098281A (en) * | 2017-11-28 | 2018-06-01 | 技锋精密刀具（马鞍山）有限公司 | The formula of hard alloy circular knife, technique and circular knife and technique with location hole |
| CN107937786A (en) * | 2017-11-28 | 2018-04-20 | 技锋精密刀具（马鞍山）有限公司 | A kind of novel hard alloy cutting tool material and its preparation process |
| CN109226741A (en) * | 2018-10-30 | 2019-01-18 | 湖南工业大学 | A kind of hard alloy and preparation method thereof |
| CN109317680A (en) * | 2018-10-30 | 2019-02-12 | 湖南工业大学 | A kind of hard alloy and preparation method thereof suitable for Gear Processing |
| RU2733081C1 (en) * | 2020-02-11 | 2020-09-29 | федеральное государственное бюджетное образовательное учреждение высшего образования «Оренбургский государственный университет» | Method for thermal treatment of cutting tools from carbide-containing hard alloys |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1268191A (en) * | 1997-08-27 | 2000-09-27 | 钴碳化钨硬质合金公司 | An elongate rotary machining tool comprising a cermert having a Co-Ni-Fe-binder |
| US6141974A (en) * | 1997-07-11 | 2000-11-07 | Waldmann; Christian Clark | Cryogenic and heat process for treating sintered carbide metals to increase service life |
| CN101008062A (en) * | 2006-12-14 | 2007-08-01 | 自贡市天恒合金应用技术有限公司 | Basal body for composite structure hard alloy |
| CN101695808A (en) * | 2009-10-27 | 2010-04-21 | 重庆泰蒙科技有限公司 | Preparation method of high-performance pored ceramic blade |
| CN101397614B (en) * | 2008-11-04 | 2010-12-15 | 四川大学 | Method for preparing Ni cementing WC base cemented carbide |
| CN102220534A (en) * | 2011-07-20 | 2011-10-19 | 中南大学 | Method for reinforcing binder phase of hard alloy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001081526A (en) * | 1999-09-13 | 2001-03-27 | Kohan Kogyo Kk | Iron-base cemented carbide and its manufacture |
-
2016
- 2016-10-28 CN CN201610961199.3A patent/CN106399794B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6141974A (en) * | 1997-07-11 | 2000-11-07 | Waldmann; Christian Clark | Cryogenic and heat process for treating sintered carbide metals to increase service life |
| CN1268191A (en) * | 1997-08-27 | 2000-09-27 | 钴碳化钨硬质合金公司 | An elongate rotary machining tool comprising a cermert having a Co-Ni-Fe-binder |
| CN101008062A (en) * | 2006-12-14 | 2007-08-01 | 自贡市天恒合金应用技术有限公司 | Basal body for composite structure hard alloy |
| CN101397614B (en) * | 2008-11-04 | 2010-12-15 | 四川大学 | Method for preparing Ni cementing WC base cemented carbide |
| CN101695808A (en) * | 2009-10-27 | 2010-04-21 | 重庆泰蒙科技有限公司 | Preparation method of high-performance pored ceramic blade |
| CN102220534A (en) * | 2011-07-20 | 2011-10-19 | 中南大学 | Method for reinforcing binder phase of hard alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106399794A (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106399794B (en) | A kind of hard alloy cutting tool material and preparation method thereof | |
| CN105950935B (en) | The preparation method of cold upset forming fastener sintered-carbide die material | |
| CN106191608B (en) | A kind of hard alloy in low cobalt of high temperature resistant, wear resistant corrosion resistant and preparation method thereof | |
| CN107345284B (en) | Make the Ti base metal-ceramic material of Binder Phase using Ni-Cu continuous solid solution | |
| CN102703790A (en) | Cemented tungsten carbide alloy material with gradient cobalt content | |
| CN102965590B (en) | A kind of brazing and preparation thereof | |
| CN105950938B (en) | A kind of processing method of high-performance carbide new material slitting carving knife | |
| CN102676902A (en) | Ultra-thick hard alloy, and preparation method and application thereof | |
| CN109518030A (en) | A kind of preparation method of graphene reinforced aluminum matrix composites | |
| CN107937786A (en) | A kind of novel hard alloy cutting tool material and its preparation process | |
| CN105945291A (en) | Bicrystal gradient hard alloy cutter material and preparation method thereof | |
| CN103725945A (en) | High hardness tungsten carbide base wear-resistant coating material and preparation method thereof | |
| CN106756599A (en) | The preparation method of cBN High Speed Steel Composites and cBN High Speed Steel Composites | |
| CN106623912A (en) | Method for producing WC-Co hard alloy oilfield spray nozzles | |
| CN206356052U (en) | A kind of Compound Extrusion roller | |
| CN116479276A (en) | Rare earth coarse-grain hard alloy and preparation method thereof | |
| CN103769576A (en) | Tungsten carbide-based wear-resistant coating material for preparing low-porosity coating and preparation method thereof | |
| CN104529465B (en) | Preparation method of aluminum-magnesium-boron-titanium superhard abrasive | |
| CN108098281A (en) | The formula of hard alloy circular knife, technique and circular knife and technique with location hole | |
| CN106735244A (en) | A kind of oil field with WC Co hard alloy series tooth preparation method | |
| CN105671403A (en) | Hard alloy holding-up hammer and application thereof in synthesizing superhard material on six-surface diamond presser | |
| CN114559031B (en) | High-speed laser cladding alloy powder, preparation method, coating and application thereof | |
| CN103981398B (en) | A kind of high-performance metal cramic coat material and preparation method thereof | |
| CN103769592B (en) | A kind of preparation method of spherical TiC/Fe cermet composite particles | |
| CN102321837B (en) | High-hardness composite material for cutter and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Aihua Inventor after: Deng Jingxin Inventor after: Wu Chen Inventor after: Yang Fei Inventor before: Li Ling Inventor before: Wu Chen Inventor before: Yang Fei Inventor before: Li Guangming |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A material for carbide cutting tool and its preparation method Effective date of registration: 20230109 Granted publication date: 20171010 Pledgee: Dangtu County sub branch of China Post Savings Bank Co.,Ltd. Pledgor: JIFENG PRECISION TOOL (MAANSHAN) CO.,LTD. Registration number: Y2023980030583 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20240102 Granted publication date: 20171010 Pledgee: Dangtu County sub branch of China Post Savings Bank Co.,Ltd. Pledgor: JIFENG PRECISION TOOL (MAANSHAN) CO.,LTD. Registration number: Y2023980030583 |