CN104805348A - High-speed cutter - Google Patents
High-speed cutter Download PDFInfo
- Publication number
- CN104805348A CN104805348A CN201510252137.0A CN201510252137A CN104805348A CN 104805348 A CN104805348 A CN 104805348A CN 201510252137 A CN201510252137 A CN 201510252137A CN 104805348 A CN104805348 A CN 104805348A
- Authority
- CN
- China
- Prior art keywords
- phase
- powder
- high speed
- cutting tool
- speed 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 11
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 24
- 238000005245 sintering Methods 0.000 claims description 23
- 238000000227 grinding Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 238000001238 wet grinding Methods 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims description 3
- 238000009837 dry grinding Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 abstract description 8
- 238000005452 bending Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004939 coking Methods 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
- 239000011159 matrix material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a high-speed cutter which is made of metal ceramic and comprises the following chemical components in percentage by weight: 2.5 to 12.8 percent of TiC, 8.8 to 10.6 percent of Cr3B2, 6 to 8 percent of Mo, 0.6 to 1.8 percent of C, 18 to 26 percent of Ni and the balance of (Tix, Wy)C; in a longitudinal section of a part of 1mm below the cutter surface, the average particle size of a TiC phase is 0.08 to 0.12 microns, the average particle size of a Cr3B2 phase is 0.28 to 1.0 microns, and the average particle size of a (Tix, Wy)C phase is 0.11 to 0.18 microns; a (Ti, W, Mo)C sosoloid encircles a hard phase. The high-speed cutter has the properties of high hardness, high bending strength, high fracture toughness and the like.
Description
Technical field
The invention belongs to ceramic field, particularly relate to a kind of high speed cutting instrument.
Background technology
Cutting tool is due to its high rigidity and high temperature resistance and the demand preventing high-temperature brittleness etc., and have very strict requirement for its material, sintering metal becomes the material of main part of high speed cutting tool day by day, and sintering metal comprises hard phase and Binder Phase.Hard phase, because transition metal carbide, nitride, boride have higher intensity, hardness, wear resistance and thermostability and be widely used as ceramic-metallic hard phase, wherein most study is with WC, TiC, TiN, Ti (C, N), Cr
3b
2be hard phase Deng compound, the sintering metal being Binder Phase with metal or alloy such as Co, Ni, Fe.TiC based ceramic metal, TiN based ceramic metal and Ti (C, N) based ceramic metal have lower toughness and are difficult to the WC base cemented carbide matching in excellence or beauty traditional.And for Cr
3b
2based ceramic metal, due to Cr
3b
2lower self-diffusion coefficient makes its coking property poor, and is easy to react with matrix metal in sintering process generate fragility third phase, therefore, and Cr
3b
2based ceramic metal is difficult to be prepared into dense material by prior powder metallurgy method, and performance is not good.Be badly in need of a kind of high-performance metal ceramic composite being applicable to high speed cutting tool of invention.
Summary of the invention
An object of the present invention is to propose a kind of high speed cutting tool.
Two of object of the present invention is the preparation method proposing a kind of high speed cutting tool.
Realize especially by following technique means:
A kind of high speed cutting tool, described high speed cutting tool adopts sintering metal to make, and described sintering metal comprises hard phase and Binder Phase, and chemical constitution is by weight percentage: TiC:2.5 ~ 12.8%, Cr
3b
2: 8.8 ~ 10.6%, Mo:6 ~ 8%, C:0.6 ~ 1.8%, Ni:18 ~ 26%, surplus is (Ti
x, W
y) C and inevitably impurity, wherein x:0.21 ~ 0.41, x+y=1;
Wherein TiC, Cr
3b
2(Ti
x, W
y) C is hard phase, below tool surface 1mm place vertical section in the median size of TiC phase be 0.08 ~ 0.12 μm, Cr
3b
2the median size of phase is 0.28 ~ 1.0 μm, (Ti
x, W
y) median size of C phase is 0.11 ~ 0.18 μm, (Ti, W, Mo) C sosoloid is looped around around described hard phase.
As preferably, be that the median size of TiC phase in the vertical section of the spheroid that 0.5mm is formed is 0.21 ~ 0.52 μm at center cutter position diameter, Cr
3b
2the median size of phase is 0.58 ~ 0.88 μm, (Ti
x, W
y) median size of C phase is 0.21 ~ 0.26 μm, (Ti, W, Mo) C sosoloid is looped around around described hard phase.
The preparation method of aforementioned high speed cutting tool, comprises the steps:
(1) dry grind: in desired raw material ratio by TiO
2powder, W powder mix, and adopt ball mill to carry out dry type ball milling, ratio of grinding media to material is 50:1 ~ 60:1, and Ball-milling Time is 48 ~ 50 hours, and Material quality of grinding balls is stainless steel;
(2) wet-milling: the mixture obtained dry grinding and (Ti
x, W
y) C powder, Cr
3b
2powder, TiC particle, Mo powder, C powder, Ni powder mix rear employing wet wheeling machine humidification grinding agent and carry out ball milling, and ratio of grinding media to material is 5:1 ~ 8:1, and rotating speed is 180 ~ 260rpm, and the wet-milling time is 28 ~ 40 hours;
(3) dry, dry the slurry after step (2) wet-milling, the powder after oven dry crosses 100 ~ 120 object sieves;
(4) shaping: mixed with forming agent in moulding press by the mixed powder that step (3) obtains, compression molding, pressure is 210 ~ 360MPa, obtain shaping high speed cutting tool base substrate;
(5) degreasing: base substrate is inserted degreasing in debinding furnace;
(6) vacuum sintering: inserted in vacuum sintering furnace by the base substrate that step (5) obtains and sinter, vacuum tightness is 0.8 Χ 10
-1~ 2.1 Χ 10
-1pa, sintering temperature is 1452 ~ 1468 DEG C, and sintering time is 80 ~ 100min, obtains high speed cutting tool finished product.
As preferably, described forming agent selects polyvinyl alcohol solution.
The hardness of the high speed cutting tool obtained is 95 ~ 112HRA, and bending strength is 1900 ~ 2100MPa, and fracture toughness property is 18 ~ 26MPam
1/2.
effect of the present invention is:
1, by being combined with Binder Phase by three kinds of hard phases, the hardness of high speed cutting tool is greatly improved;
2, by adjusting the size-grade distribution of hard phase in sintering metal, bending strength and fracture toughness property are greatly improved;
3, by having carried out creationary adjustment to the content of each component, make when proof strength, wear resistance, chemical stability, thermal-shock resistance and high temperature resistance fragility are greatly improved.
Embodiment
embodiment 1
A kind of high speed cutting tool, described high speed cutting tool adopts sintering metal to make, and described sintering metal comprises hard phase and Binder Phase, and chemical constitution is by weight percentage: TiC:6.8%, Cr
3b
2: 9.1%, Mo:7.2%, C:1.1%, Ni:21.2%, surplus is (Ti
x, W
y) C and inevitably impurity, wherein x:0.32, x+y=1;
Wherein TiC, Cr
3b
2(Ti
x, W
y) C is hard phase, below tool surface 1mm place vertical section in the median size of TiC phase be 0.08 ~ 0.12 μm, Cr
3b
2the median size of phase is 0.62 μm, (Ti
x, W
y) median size of C phase is 0.12 μm, (Ti, W, Mo) C sosoloid is looped around around described hard phase, is that the median size of TiC phase in the vertical section of the spheroid that 0.5mm is formed is 0., 31 μm at center cutter position diameter, Cr
3b
2the median size of phase is 0.62 μm, (Ti
x, W
y) median size of C phase is 0.25 μm, (Ti, W, Mo) C sosoloid is looped around around described hard phase.Its hardness is 98HRA, and bending strength is 1988MPa, and fracture toughness property is 18.2MPam
1/2.
embodiment 2
The preparation method of embodiment 1 high speed cutting tool, comprises the steps:
(1) dry grind: in desired raw material ratio by TiO
2powder, W powder mix, and adopt ball mill to carry out dry type ball milling, ratio of grinding media to material is 56:1, and Ball-milling Time is 49 hours, and Material quality of grinding balls is stainless steel;
(2) wet-milling: the mixture obtained dry grinding and (Ti
x, W
y) C powder, Cr
3b
2powder, TiC particle, Mo powder, C powder, Ni powder mix rear employing wet wheeling machine humidification grinding agent and carry out ball milling, and ratio of grinding media to material is 6:1, and rotating speed is 198rpm, and the wet-milling time is 32 hours;
(3) dry, dry the slurry after step (2) wet-milling, the powder after oven dry crosses 110 object sieves;
(4) shaping: mixed with forming agent in moulding press by the mixed powder that step (3) obtains, compression molding, pressure is 302MPa, obtain shaping high speed cutting tool base substrate; Described forming agent selects polyvinyl alcohol solution;
(5) degreasing: base substrate is inserted degreasing in debinding furnace;
(6) vacuum sintering: inserted in vacuum sintering furnace by the base substrate that step (5) obtains and sinter, vacuum tightness is 1.1 Χ 10
-1pa, sintering temperature is 1460 DEG C, and sintering time is 92min, obtains high speed cutting tool finished product.
(7) finished product that step (6) obtains is heated to 1000 ~ 1100 DEG C in resistance furnace, spray quenching after insulation 20 ~ 35min, after quench cooled to insulation 30 ~ 38min after 120 ~ 180 DEG C, stove is as cold as room temperature.
Claims (4)
1. a high speed cutting tool, is characterized in that, described high speed cutting tool adopts sintering metal to make, and described sintering metal comprises hard phase and Binder Phase, and chemical constitution is by weight percentage: TiC:2.5 ~ 12.8%, Cr
3b
2: 8.8 ~ 10.6%, Mo:6 ~ 8%, C:0.6 ~ 1.8%, Ni:18 ~ 26%, surplus is (Ti
x, W
y) C and inevitably impurity, wherein x:0.21 ~ 0.41, x+y=1;
Wherein TiC, Cr
3b
2(Ti
x, W
y) C is hard phase, below tool surface 1mm place vertical section in the median size of TiC phase be 0.08 ~ 0.12 μm, Cr
3b
2the median size of phase is 0.28 ~ 1.0 μm, (Ti
x, W
y) median size of C phase is 0.11 ~ 0.18 μm, (Ti, W, Mo) C sosoloid is looped around around described hard phase.
2. high speed cutting tool according to claim 1, is characterized in that, is that the median size of TiC phase in the vertical section of the spheroid that 0.5mm is formed is 0.21 ~ 0.52 μm at center cutter position diameter, Cr
3b
2the median size of phase is 0.58 ~ 0.88 μm, (Ti
x, W
y) median size of C phase is 0.21 ~ 0.26 μm, (Ti, W, Mo) C sosoloid is looped around around described hard phase.
3. the preparation method of high speed cutting tool according to claim 1, is characterized in that, comprises the steps:
(1) dry grind: in desired raw material ratio by TiO
2powder, W powder mix, and adopt ball mill to carry out dry type ball milling, ratio of grinding media to material is 50:1 ~ 60:1, and Ball-milling Time is 48 ~ 50 hours, and Material quality of grinding balls is stainless steel;
(2) wet-milling: the mixture obtained dry grinding and (Ti
x, W
y) C powder, Cr
3b
2powder, TiC particle, Mo powder, C powder, Ni powder mix rear employing wet wheeling machine humidification grinding agent and carry out ball milling, and ratio of grinding media to material is 5:1 ~ 8:1, and rotating speed is 180 ~ 260rpm, and the wet-milling time is 28 ~ 40 hours;
(3) dry, dry the slurry after step (2) wet-milling, the powder after oven dry crosses 100 ~ 120 object sieves;
(4) shaping: mixed with forming agent in moulding press by the mixed powder that step (3) obtains, compression molding, pressure is 210 ~ 360MPa, obtain shaping high speed cutting tool base substrate;
(5) degreasing: base substrate is inserted degreasing in debinding furnace;
(6) vacuum sintering: inserted in vacuum sintering furnace by the base substrate that step (5) obtains and sinter, vacuum tightness is 0.8 Χ 10
-1~ 2.1 Χ 10
-1pa, sintering temperature is 1452 ~ 1468 DEG C, and sintering time is 80 ~ 100min, obtains high speed cutting tool finished product.
4. the preparation method of high speed cutting tool according to claim 3, is characterized in that, described forming agent selects polyvinyl alcohol solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252137.0A CN104805348B (en) | 2015-05-18 | 2015-05-18 | A kind of high speed cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252137.0A CN104805348B (en) | 2015-05-18 | 2015-05-18 | A kind of high speed cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104805348A true CN104805348A (en) | 2015-07-29 |
| CN104805348B CN104805348B (en) | 2017-12-01 |
Family
ID=53690541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510252137.0A Active CN104805348B (en) | 2015-05-18 | 2015-05-18 | A kind of high speed cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104805348B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468278A (en) * | 1992-11-11 | 1995-11-21 | Hitachi Metals, Ltd. | Cermet alloy |
| JP2008274439A (en) * | 2008-05-21 | 2008-11-13 | Akita Prefecture | W-ti-c-based composite body and production method therefor |
| CN101415518A (en) * | 2006-01-31 | 2009-04-22 | 杰出金属实业公司 | High-performance friction stir welding tools |
| CN103361532A (en) * | 2013-07-10 | 2013-10-23 | 华中科技大学 | Sosoloid toughened metal ceramic and preparation method thereof |
| CN103361533A (en) * | 2013-07-09 | 2013-10-23 | 华中科技大学 | Titanium carbide-based solid solution metal ceramic and preparation method thereof |
-
2015
- 2015-05-18 CN CN201510252137.0A patent/CN104805348B/en active Active
Patent Citations (5)
| 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 |
| JP2008274439A (en) * | 2008-05-21 | 2008-11-13 | Akita Prefecture | W-ti-c-based composite body and production method therefor |
| CN103361533A (en) * | 2013-07-09 | 2013-10-23 | 华中科技大学 | Titanium carbide-based solid solution metal ceramic and preparation method thereof |
| CN103361532A (en) * | 2013-07-10 | 2013-10-23 | 华中科技大学 | Sosoloid toughened metal ceramic and preparation method thereof |
Non-Patent Citations (5)
| Title |
|---|
| 中华人民共和国机械工业部: "《粉末冶金工艺学》", 30 September 1987 * |
| 周书助: "《模具热处理及其常见缺陷与对策》", 31 August 2014 * |
| 殷为宏 等: "《难熔金属材料与工程应用》", 30 June 2012 * |
| 王孝培 等: "《冲压手册第3版》", 31 October 2012 * |
| 黄培云: "《粉末冶金原理(第二版)》", 30 November 1997 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104805348B (en) | 2017-12-01 |
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Addressee: Li Bai Document name: Notification of Acceptance of Request for Reexamination |
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| DD01 | Delivery of document by public notice | ||
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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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| CB02 | Change of applicant information | ||
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Inventor after: Zhang Siyu Inventor before: Li Bai |
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| TA01 | Transfer of patent application right |
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 |
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| TR01 | Transfer of patent right |