CN104805348B - A kind of high speed cutting tool - Google Patents
A kind of high speed cutting tool Download PDFInfo
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- CN104805348B CN104805348B CN201510252137.0A CN201510252137A CN104805348B CN 104805348 B CN104805348 B CN 104805348B CN 201510252137 A CN201510252137 A CN 201510252137A CN 104805348 B CN104805348 B CN 104805348B
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- cutting tool
- high speed
- speed cutting
- milling
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- 238000005520 cutting process Methods 0.000 title claims abstract description 31
- 239000011195 cermet Substances 0.000 claims abstract description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000006104 solid solution Substances 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 19
- 238000005245 sintering Methods 0.000 claims description 17
- 238000000227 grinding Methods 0.000 claims description 16
- 238000000498 ball milling Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000001238 wet grinding Methods 0.000 claims description 11
- 238000005238 degreasing Methods 0.000 claims description 8
- 238000009837 dry grinding Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000000748 compression moulding Methods 0.000 claims description 4
- 239000008267 milk Substances 0.000 claims description 4
- 210000004080 milk Anatomy 0.000 claims description 4
- 235000013336 milk Nutrition 0.000 claims description 4
- 239000011812 mixed powder Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229940068984 polyvinyl alcohol Drugs 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 230000004523 agglutinating effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The present invention relates to a kind of high speed cutting tool, it is made of cermet, chemical composition is by weight percentage：TiC：2.5 ~ 12.8%, Cr3B2:8.8 ~ 10.6%, Mo：6 ~ 8%, C：0.6 ~ 1.8%, Ni：18 ~ 26%, surplus is（Tix, Wy）C；The average grain diameter of TiC phases is 0.08 ~ 0.12 μm in longitudinal section below tool surface at 1mm, Cr3B2The average grain diameter of phase is 0.28 ~ 1.0 μm,（Tix, Wy）The average grain diameter of C phases is 0.11 ~ 0.18 μm,（Ti, W, Mo）C solid solution is looped around around the hard phase.The high speed cutting tool has the performances such as high rigidity, high-flexural strength, high-fracture toughness.
Description
Technical field
The invention belongs to ceramic field, more particularly to a kind of high-speed cutting instrument.
Background technology
Cutting tool is due to its high rigidity and high temperature resistance and prevents the demand of high-temperature brittleness etc., has for its material very tight
The requirement of lattice, cermet have become the material of main part of high speed cutting tool, and cermet includes hard phase and Binder Phase.Firmly
Matter phase, due to transition metal carbide, nitride, boride have higher intensity, hardness, wearability and heat endurance and by
The hard phase of cermet is widely used as, wherein most study is with WC, TiC, TiN, Ti (C, N), Cr3B2It is etc. compound
Hard phase, the cermet using metal or alloy such as Co, Ni, Fe as Binder Phase.TiC based ceramic metals, TiN based ceramic metals and
Ti (C, N) based ceramic metal has relatively low toughness and is difficult to the WC base cemented carbides for matching in excellence or beauty traditional.And for Cr3B2Base Metal
Ceramics, due to Cr3B2Relatively low self-diffusion coefficient makes its agglutinating property poor, and is easy to react with binding metal in sintering process and generates
Fragility third phase, therefore, Cr3B2Based ceramic metal is difficult to be prepared into dense material with prior powder metallurgy method, and performance is bad.
It is badly in need of inventing a kind of high-performance metal ceramic composite suitable for high speed cutting tool.
The content of the invention
An object of the present invention is to propose a kind of high speed cutting tool.
The second object of the present invention is to propose a kind of preparation method of high speed cutting tool.
Realized especially by following technological means：
A kind of high speed cutting tool, the high speed cutting tool are made of cermet, and the cermet includes hard
Matter phase and Binder Phase, chemical composition are by weight percentage： TiC：2.5 ~ 12.8%, Cr3B2:8.8 ~ 10.6%, Mo：6 ~ 8%,
C：0.6 ~ 1.8%, Ni：18 ~ 26%, surplus is（Tix, Wy）C and inevitable impurity, wherein x：0.21 ~ 0.41, x+y=1；
Wherein TiC, Cr3B2With（Tix, Wy）C is hard phase, TiC phases in the longitudinal section below tool surface at 1mm
Average grain diameter is 0.08 ~ 0.12 μm, Cr3B2The average grain diameter of phase is 0.28 ~ 1.0 μm,（Tix, Wy）The average grain diameter of C phases is
0.11 ~ 0.18 μm,（Ti, W, Mo）C solid solution is looped around around the hard phase.
Preferably, in the longitudinal section of a diameter of 0.5mm in the center cutter position spheroids formed TiC phases average grain diameter
For 0.21 ~ 0.52 μm, Cr3B2The average grain diameter of phase is 0.58 ~ 0.88 μm,（Tix, Wy）The average grain diameter of C phases is 0.21 ~ 0.26 μ
M,（Ti, W, Mo）C solid solution is looped around around the hard phase.
The preparation method of foregoing high speed cutting tool, comprises the following steps：
（1）Dry grinding：By required material rate by TiO2Powder, the mixing of W powder, dry type ball milling, ratio of grinding media to material are carried out using ball mill
For 50：1~60:1, Ball-milling Time is 48 ~ 50 hours, and Material quality of grinding balls is stainless steel；
（2）Wet-milling：To the obtained mixture of dry grinding with（Tix, Wy）C powders, Cr3B2Powder, TiC particles, Mo powder, C powder,
Ball milling, ratio of grinding media to material 5 are carried out using wet milk humidification grinding agent after Ni powder is well mixed:1~8:1, rotating speed is 180 ~ 260rpm, wet
Consume time as 28 ~ 40 hours；
（3）Drying, to step（2）Slurry after wet-milling is dried, and the powder after drying crosses the sieve of 100 ~ 120 mesh；
（4）Shaping：By step（3）Obtained mixed-powder mixes in moulding press with forming agent, compression molding, and pressure is
210 ~ 360MPa, the high speed cutting tool base substrate being molded；
（5）Degreasing：Base substrate is inserted into degreasing in debinding furnace；
（6）Vacuum-sintering：By step（5）Obtained base substrate, which is inserted in vacuum sintering furnace, to be sintered, and vacuum is 0.8 Χ 10-1~
2.1Χ10-1Pa, sintering temperature are 1452 ~ 1468 DEG C, and sintering time is 80 ~ 100min, obtains high speed cutting tool finished product.
Preferably, the forming agent selection poly-vinyl alcohol solution.
The hardness of obtained high speed cutting tool is 95 ~ 112HRA, and bending strength is 1900 ~ 2100MPa, and fracture toughness is
18~26MPa·m1/2。
Effect of the invention is that：
1, by the way that three kinds of hard phases are combined with Binder Phase so that the hardness of high speed cutting tool is significantly carried
It is high；
2, by being adjusted to the size distribution of hard phase in cermet so that bending strength and fracture toughness obtain
Increase substantially；
3, by the adjustment that creativeness has been carried out to the content of each component so that in the case of proof strength, wearability,
Chemical stability, thermal-shock resistance and high temperature resistance fragility are greatly improved.
Embodiment
Embodiment 1
A kind of high speed cutting tool, the high speed cutting tool are made of cermet, and the cermet includes hard
Matter phase and Binder Phase, chemical composition are by weight percentage： TiC：6.8%, Cr3B2:9.1%, Mo：7.2%, C：1.1%, Ni：
21.2%, surplus is（Tix, Wy）C and inevitable impurity, wherein x：0.32, x+y=1；
Wherein TiC, Cr3B2With（Tix, Wy）C is hard phase, TiC phases in the longitudinal section below tool surface at 1mm
Average grain diameter is 0.08 ~ 0.12 μm, Cr3B2The average grain diameter of phase is 0.62 μm,（Tix, Wy）The average grain diameter of C phases is 0.12 μm,
（Ti, W, Mo）C solid solution is looped around around the hard phase, the spheroid that a diameter of 0.5mm is formed at center cutter position
The average grain diameter of TiC phases is 0., 31 μm in longitudinal section, Cr3B2The average grain diameter of phase is 0.62 μm,（Tix, Wy）The average grain of C phases
Footpath is 0.25 μm,（Ti, W, Mo）C solid solution is looped around around the hard phase.Its hardness is 98HRA, and bending strength is
1988MPa, fracture toughness 18.2MPam1/2。
Embodiment 2
The preparation method of the high speed cutting tool of embodiment 1, comprises the following steps：
（1）Dry grinding：By required material rate by TiO2Powder, the mixing of W powder, dry type ball milling, ratio of grinding media to material are carried out using ball mill
For 56：1, Ball-milling Time is 49 hours, and Material quality of grinding balls is stainless steel；
（2）Wet-milling：To the obtained mixture of dry grinding with（Tix, Wy）C powders, Cr3B2Powder, TiC particles, Mo powder, C powder,
Ball milling, ratio of grinding media to material 6 are carried out using wet milk humidification grinding agent after Ni powder is well mixed:1, rotating speed 198rpm, wet-milling time is
32 hours；
（3）Drying, to step（2）Slurry after wet-milling is dried, and the powder after drying crosses the sieve of 110 mesh；
（4）Shaping：By step（3）Obtained mixed-powder mixes in moulding press with forming agent, compression molding, and pressure is
302MPa, the high speed cutting tool base substrate being molded；The forming agent selects poly-vinyl alcohol solution；
（5）Degreasing：Base substrate is inserted into degreasing in debinding furnace；
（6）Vacuum-sintering：By step（5）Obtained base substrate, which is inserted in vacuum sintering furnace, to be sintered, and vacuum is 1.1 Χ 10- 1Pa, sintering temperature are 1460 DEG C, sintering time 92min, obtain high speed cutting tool finished product.
（7）By step（6）Obtained finished product is heated to 1000 ~ 1100 DEG C in resistance furnace, is sprayed water after being incubated 20 ~ 35min
Quenching, stove is as cold as room temperature after quenching is incubated 30 ~ 38min after being cooled to 120 ~ 180 DEG C.
Claims (3)
1. a kind of high speed cutting tool, it is characterised in that the high speed cutting tool is made of cermet, the metal pottery
Porcelain includes hard phase and Binder Phase, and chemical composition is by weight percentage： TiC：2.5 ~ 12.8%, Cr3B2:8.8 ~ 10.6%,
Mo：6 ~ 8%, C：0.6 ~ 1.8%, Ni：18 ~ 26%, surplus is（Tix, Wy）C and inevitable impurity, wherein x：0.32 ~ 0.41, x
+y=1；
Wherein TiC, Cr3B2With（Tix, Wy）C is hard phase, the average grain of TiC phases in the longitudinal section below tool surface at 1mm
Footpath is 0.08 ~ 0.12 μm, Cr3B2The average grain diameter of phase is 0.28 ~ 1.0 μm,（Tix, Wy）The average grain diameter of C phases is 0.11 ~ 0.18
μm,（Ti, W, Mo）C solid solution is looped around around the hard phase；
At center cutter position, the average grain diameter of TiC phases is 0.21 ~ 0.52 μ in the longitudinal section for the spheroid that a diameter of 0.5mm is formed
M, Cr3B2The average grain diameter of phase is 0.58 ~ 0.88 μm,（Tix, Wy）The average grain diameter of C phases is 0.21 ~ 0.26 μm,（Ti, W, Mo）C
Solid solution is looped around around the hard phase；
The preparation method of the high speed cutting tool comprises the following steps：
（1）Dry grinding：By required material rate by TiO2Powder, the mixing of W powder, dry type ball milling, ratio of grinding media to material 50 are carried out using ball mill：1
~60:1, Ball-milling Time is 48 ~ 50 hours, and Material quality of grinding balls is stainless steel；
（2）Wet-milling：To the obtained mixture of dry grinding with（Tix, Wy）C powders, Cr3B2Powder, TiC particles, Mo powder, C powder, Ni powder mix
Ball milling, ratio of grinding media to material 5 are carried out using wet milk humidification grinding agent after closing uniformly:1~8:1, rotating speed is 180 ~ 260rpm, the wet-milling time
For 28 ~ 40 hours；
（3）Drying, to step（2）Slurry after wet-milling is dried, and the powder after drying crosses the sieve of 100 ~ 120 mesh；
（4）Shaping：By step（3）Obtained mixed-powder mixes in moulding press with forming agent, compression molding, pressure be 210 ~
360MPa, the high speed cutting tool base substrate being molded；
（5）Degreasing：Base substrate is inserted into degreasing in debinding furnace；
（6）Vacuum-sintering：By step（5）Obtained base substrate, which is inserted in vacuum sintering furnace, to be sintered, and vacuum is 0.8 Χ 10-1~2.1
Χ10-1Pa, sintering temperature are 1460 ~ 1468 DEG C, and sintering time is 80 ~ 100min, obtains high speed cutting tool finished product；
（7）By step（6）Obtained finished product is heated to 1000 ~ 1100 DEG C in resistance furnace, is incubated jet hardening after 20 ~ 35min；
（8）Stove is as cold as room temperature after quenching is incubated 30 ~ 38min after being cooled to 120 ~ 180 DEG C.
2. the preparation method of the high speed cutting tool described in claim 1, it is characterised in that comprise the following steps：
（1）Dry grinding：By required material rate by TiO2Powder, the mixing of W powder, dry type ball milling, ratio of grinding media to material 50 are carried out using ball mill：1
~60:1, Ball-milling Time is 48 ~ 50 hours, and Material quality of grinding balls is stainless steel；
（2）Wet-milling：To the obtained mixture of dry grinding with（Tix, Wy）C powders, Cr3B2Powder, TiC particles, Mo powder, C powder, Ni powder mix
Ball milling, ratio of grinding media to material 5 are carried out using wet milk humidification grinding agent after closing uniformly:1~8:1, rotating speed is 180 ~ 260rpm, the wet-milling time
For 28 ~ 40 hours；
（3）Drying, to step（2）Slurry after wet-milling is dried, and the powder after drying crosses the sieve of 100 ~ 120 mesh；
（4）Shaping：By step（3）Obtained mixed-powder mixes in moulding press with forming agent, compression molding, pressure be 210 ~
360MPa, the high speed cutting tool base substrate being molded；
（5）Degreasing：Base substrate is inserted into degreasing in debinding furnace；
（6）Vacuum-sintering：By step（5）Obtained base substrate, which is inserted in vacuum sintering furnace, to be sintered, and vacuum is 0.8 Χ 10-1~2.1
Χ10-1Pa, sintering temperature are 1460 ~ 1468 DEG C, and sintering time is 80 ~ 100min, obtains high speed cutting tool finished product；
（7）By step（6）Obtained finished product is heated to 1000 ~ 1100 DEG C in resistance furnace, is incubated jet hardening after 20 ~ 35min；
（8）Stove is as cold as room temperature after quenching is incubated 30 ~ 38min after being cooled to 120 ~ 180 DEG C.
3. the preparation method of high speed cutting tool according to claim 2, it is characterised in that the forming agent selects poly- second
Enolate solution.
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| CN201510252137.0A CN104805348B (en) | 2015-05-18 | 2015-05-18 | A kind of high speed cutting tool |
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|---|---|---|---|
| CN201510252137.0A CN104805348B (en) | 2015-05-18 | 2015-05-18 | A kind of high speed cutting tool |
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| CN104805348A CN104805348A (en) | 2015-07-29 |
| CN104805348B true CN104805348B (en) | 2017-12-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108637338A (en) * | 2018-05-21 | 2018-10-12 | 浙江普菲特切削工具有限公司 | A kind of Strengthening and Toughening cermet material and the slotting cutter being made from it |
| CN114855052A (en) * | 2022-05-13 | 2022-08-05 | 赵克中 | Molybdenum-titanium-based alloy material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361532A (en) * | 2013-07-10 | 2013-10-23 | 华中科技大学 | Sosoloid toughened metal ceramic and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468278A (en) * | 1992-11-11 | 1995-11-21 | Hitachi Metals, Ltd. | Cermet alloy |
| CN101415518A (en) * | 2006-01-31 | 2009-04-22 | 杰出金属实业公司 | High-performance friction stir welding tools |
| JP4848394B2 (en) * | 2008-05-21 | 2011-12-28 | 秋田県 | W-Ti-C composite and method for producing the same |
| CN103361533B (en) * | 2013-07-09 | 2014-03-05 | 华中科技大学 | Titanium carbide-based solid solution metal ceramic and preparation method thereof |
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| CN103361532A (en) * | 2013-07-10 | 2013-10-23 | 华中科技大学 | Sosoloid toughened metal ceramic and preparation method thereof |
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Address after: Inner Mongolia Bayannaoer City West Office 015000 Linhe District shengshihao city 6-1-1101 Wu Guannan turn Applicant after: Li Bai Address before: 102218 Beijing city Changping District East Town Longde Zijin 5-1018 Applicant before: Li Bai |
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Effective date of registration: 20171102 Address after: 362417 Fujian province Quanzhou city Anxi County Peach boat Township peach boat Village Ocean 48-3 Applicant after: Zhang Siyu Address before: Inner Mongolia Bayannaoer City West Office 015000 Linhe District shengshihao city 6-1-1101 Wu Guannan turn Applicant before: Li Bai |
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Effective date of registration: 20191125 Address after: Room 101-1, building 3, No. 1005, Jiuxin Road, Jiuting Town, Songjiang District, Shanghai 201600 Patentee after: Milling (Shanghai) Cutting Technology Co., Ltd Address before: 362417 Fujian province Quanzhou city Anxi County Peach boat Township peach boat Village Ocean 48-3 Patentee before: Zhang Siyu |