CN103586457B - A kind of Powder metallurgy tool - Google Patents
A kind of Powder metallurgy tool Download PDFInfo
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- CN103586457B CN103586457B CN201310550863.1A CN201310550863A CN103586457B CN 103586457 B CN103586457 B CN 103586457B CN 201310550863 A CN201310550863 A CN 201310550863A CN 103586457 B CN103586457 B CN 103586457B
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Abstract
The invention discloses a kind of Powder metallurgy tool, it is characterized in that, be made up of the raw material of following weight portion: tungsten carbide 80-82, titanium carbide 10-12, ramet 3-4, nickel 3-4, cobalt 3-4, iron 10-12, molybdenum trioxide 3-4, Nb2O5? 8-9, sodium molybdate 1-2, chlorinated paraffin wax 1-2, decentralized photo 2-3; The present invention adds decentralized photo, and alloy powder is uniformly dispersed, and ensures the uniformity in length and breadth of interiors of products institutional framework, increases wearability, the service life of product is increased; And steady quality of the present invention, hardness is large, not easily occurs phenomenon of rupture.
Description
Technical field
The present invention relates to field of powder metallurgy, particularly a kind of Powder metallurgy tool.
Background technology
Powder metallurgy be produce metal dust or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through shaping and sintering, produce the industrial technology of metal material, composite and all kinds goods.At present, PM technique has been widely used in the fields such as traffic, machinery, electronics, Aero-Space, weapons, biology, new forms of energy, information and nuclear industry, becomes one of branch of most development vitality in new material science.PM technique possess significantly energy-conservation, economize the high and series of advantages such as good stability of material, excellent performance, Product Precision, be very suitable for producing in enormous quantities.The cutting tool performance of PM HSS manufacture is better than common high-speed steel, service life is higher than common high-speed steel (general 2 ~ 3 times), at the cutting occasion alternative hard alloy cutter again that impact load is large, therefore PM HSS cutter is very good in the application prospect of tool industry, more and more receives the concern of people.Compared with common high-speed steel tool, PM HSS cutter hardness is higher, toughness better, more wear-resistant, therefore in some application (the processing occasion as high impact-resistant, large resection), PM HSS cutter has the trend replacing comparatively large, easily chipping under the cutting-impact solid carbide of fragility gradually.
Summary of the invention
The object of this invention is to provide a kind of hardness good, the Powder metallurgy tool of long service life.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of Powder metallurgy tool, is made up of the raw material of following weight portion: tungsten carbide 80-82, titanium carbide 10-12, ramet 3-4, nickel 3-4, cobalt 3-4, iron 10-12, molybdenum trioxide 3-4, Nb2O58-9, sodium molybdate 1-2, chlorinated paraffin wax 1-2, decentralized photo 2-3;
Described decentralized photo is made up of the raw material of following weight portion: iron powder 30-40, sodium phosphate trimer 1-2, iron chloride 1-2, feldspar in powder 2-3, actinolite 5-6, magnesium sulfate 2-3, nano silicon 1-2, N660 carbon black 2-3, MTES 1-2; Preparation method is by iron powder, sodium phosphate trimer, iron chloride, feldspar in powder, actinolite, magnesium sulfate mixing, grind to form 200-300 order powder, then add MTES and mix, under 10-15Mpa, be pressed into blank, then, calcine 3-4 hour at sending into 920-950 DEG C, after cooling, be ground into 300-400 order powder, mix with other residual components, be heated to 60-70 DEG C, under 1200-1500 rev/min, stir 1-2 hour, to obtain final product.
Powder metallurgy tool of the present invention, be made up of following concrete steps:
(1) tungsten carbide, titanium carbide, ramet, nickel, cobalt, iron are mixed with decentralized photo, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying dry, oven dry, make bulk at 5-8Mpa pressure, then under nitrogen protection atmosphere 500-650 DEG C carry out sintering 8-10 hour, cross 200-400 mesh sieve by after the crushing material after sintering;
(2) other residual components is mixed;
(3) step (1), (2) material after mixing and stirring 60-90 minute, are loaded mould, are pressed into base at 52-56 DEG C;
(4) pressed compact is placed in sintering furnace, to 800-850 DEG C of condition, sinters 2-3 hour with 6-8 DEG C/min of ramp; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp; Then, then be cooled to 725-750 DEG C with 10-12 DEG C/min of speed, be incubated after 1-2 hour, then to be cooled to 320-340 DEG C with 8-10 DEG C/min of speed again, be incubated after 2-3 hour, in air, slow cooling is to room temperature.
The present invention adds decentralized photo, and alloy powder is uniformly dispersed, and ensures the uniformity in length and breadth of interiors of products institutional framework, increases wearability, the service life of product is increased; And steady quality of the present invention, hardness is large, not easily occurs phenomenon of rupture.
Specific embodiments
Below by instantiation, the present invention is described in detail.
A kind of Powder metallurgy tool, is made up of the raw material of following weight portion (kilogram): tungsten carbide 80, titanium carbide 10, ramet 3, nickel 3, cobalt 3, iron 10, molybdenum trioxide 3, Nb2O58, sodium molybdate 1, chlorinated paraffin wax 1, decentralized photo 2;
Described decentralized photo is made up of the raw material of following weight portion (kilogram): iron powder 30, sodium phosphate trimer 1, iron chloride 1, feldspar in powder 2, actinolite 5, magnesium sulfate 2, nano silicon 1, N660 carbon black 2, MTES 1; Preparation method is by iron powder, sodium phosphate trimer, iron chloride, feldspar in powder, actinolite, magnesium sulfate mixing, grind to form 200-300 order powder, then add MTES and mix, under 10-15Mpa, be pressed into blank, then, calcine 3-4 hour at sending into 920-950 DEG C, after cooling, be ground into 300-400 order powder, mix with other residual components, be heated to 60-70 DEG C, under 1200-1500 rev/min, stir 1-2 hour, to obtain final product.
Powder metallurgy tool of the present invention, be made up of following concrete steps:
(1) tungsten carbide, titanium carbide, ramet, nickel, cobalt, iron are mixed with decentralized photo, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying dry, oven dry, make bulk at 5-8Mpa pressure, then under nitrogen protection atmosphere 500-650 DEG C carry out sintering 8-10 hour, cross 200-400 mesh sieve by after the crushing material after sintering;
(2) other residual components is mixed;
(3) step (1), (2) material after mixing and stirring 60-90 minute, are loaded mould, are pressed into base at 52-56 DEG C;
(4) pressed compact is placed in sintering furnace, to 800-850 DEG C of condition, sinters 2-3 hour with 6-8 DEG C/min of ramp; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp; Then, then be cooled to 725-750 DEG C with 10-12 DEG C/min of speed, be incubated after 1-2 hour, then to be cooled to 320-340 DEG C with 8-10 DEG C/min of speed again, be incubated after 2-3 hour, in air, slow cooling is to room temperature.
Through detecting, hardness of the present invention can reach HRC59.
Claims (1)
1. a Powder metallurgy tool, it is characterized in that, be made up of the raw material of following weight portion: tungsten carbide 80-82, titanium carbide 10-12, ramet 3-4, nickel 3-4, cobalt 3-4, iron 10-12, molybdenum trioxide 3-4, Nb2O58-9, sodium molybdate 1-2, chlorinated paraffin wax 1-2, decentralized photo 2-3; Described decentralized photo is made up of the raw material of following weight portion: iron powder 30-40, sodium phosphate trimer 1-2, iron chloride 1-2, feldspar in powder 2-3, actinolite 5-6, magnesium sulfate 2-3, nano silicon 1-2, N660 carbon black 2-3, MTES 1-2; The preparation method of described decentralized photo is by iron powder, sodium phosphate trimer, iron chloride, feldspar in powder, actinolite, magnesium sulfate mixing, grind to form 200-300 order powder, then add MTES and mix, under 10-15MPa, be pressed into blank, then, calcine 3-4 hour at sending into 920-950 DEG C, after cooling, be ground into 300-400 order powder, mix with other residual components, be heated to 60-70 DEG C, under 1200-1500 rev/min, stir 1-2 hour, to obtain final product;
Described Powder metallurgy tool is made up of following concrete steps:
(1) tungsten carbide, titanium carbide, ramet, nickel, cobalt, iron are mixed with decentralized photo, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying dry, oven dry, make bulk at 5-8MPa pressure, then under nitrogen protection atmosphere 500-650 DEG C carry out sintering 8-10 hour, cross 200-400 mesh sieve by after the crushing material after sintering;
(2) other residual components is mixed;
(3) step (1), (2) material after mixing and stirring 60-90 minute, are loaded mould, are pressed into base at 52-56 DEG C;
(4) pressed compact is placed in sintering furnace, to 800-850 DEG C of condition, sinters 2-3 hour with 6-8 DEG C/min of ramp; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp; Then, then be cooled to 725-750 DEG C with 10-12 DEG C/min of speed, be incubated after 1-2 hour, then be cooled to 320-340 DEG C with 8-10 DEG C/min of speed, be incubated after 2-3 hour, in air, slow cooling is to room temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310550863.1A CN103586457B (en) | 2013-11-09 | 2013-11-09 | A kind of Powder metallurgy tool |
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| CN201310550863.1A CN103586457B (en) | 2013-11-09 | 2013-11-09 | A kind of Powder metallurgy tool |
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| CN103586457A CN103586457A (en) | 2014-02-19 |
| CN103586457B true CN103586457B (en) | 2016-01-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451333A (en) * | 2014-11-17 | 2015-03-25 | 柳州市俊杰汽配制造有限公司 | Automotive relay shaft |
| CN104451328A (en) * | 2014-11-17 | 2015-03-25 | 柳州市二和汽车零部件有限公司 | Hub shaft for automobile |
| CN105598457B (en) * | 2016-02-17 | 2017-12-01 | 刘三光 | A kind of scalpel blade and preparation method thereof |
| CN105624534A (en) * | 2016-02-29 | 2016-06-01 | 苏州莱特复合材料有限公司 | Powder metallurgy friction material and preparation method thereof |
| CN108978791A (en) * | 2018-06-26 | 2018-12-11 | 苏州海马消防设备制造有限公司 | A kind of composite material fire water box |
| CN109513935A (en) * | 2018-11-20 | 2019-03-26 | 河源粤奥硬质合金有限公司 | A kind of titanium-base alloy cutter material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716780A (en) * | 2009-11-30 | 2010-06-02 | 杭州天石硬质合金有限公司 | Paper punching cutter |
| CN102676941A (en) * | 2012-04-25 | 2012-09-19 | 李小强 | Tungsten carbide particle-reinforced wear-resistant corrosion-resistant stainless steel and preparation method thereof |
| CN103205620A (en) * | 2012-01-13 | 2013-07-17 | 昆山纳诺新材料科技有限公司 | Cutter, method for manufacturing same, and method for manufacturing homogenized tungsten carbide |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010090470A (en) * | 2008-10-10 | 2010-04-22 | Jfe Steel Corp | Iron-based sintered alloy and method for producing the same |
| JP5504963B2 (en) * | 2010-02-22 | 2014-05-28 | Ｊｆｅスチール株式会社 | Mixed powder for powder metallurgy and sintered metal powder with excellent machinability |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716780A (en) * | 2009-11-30 | 2010-06-02 | 杭州天石硬质合金有限公司 | Paper punching cutter |
| CN103205620A (en) * | 2012-01-13 | 2013-07-17 | 昆山纳诺新材料科技有限公司 | Cutter, method for manufacturing same, and method for manufacturing homogenized tungsten carbide |
| CN102676941A (en) * | 2012-04-25 | 2012-09-19 | 李小强 | Tungsten carbide particle-reinforced wear-resistant corrosion-resistant stainless steel and preparation method thereof |
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| CN103586457A (en) | 2014-02-19 |
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