CN103343277A - High-wear-resistant, corrosion-resistant and high-temperature-resistant industrial cutter - Google Patents
High-wear-resistant, corrosion-resistant and high-temperature-resistant industrial cutter Download PDFInfo
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- CN103343277A CN103343277A CN2013101703086A CN201310170308A CN103343277A CN 103343277 A CN103343277 A CN 103343277A CN 2013101703086 A CN2013101703086 A CN 2013101703086A CN 201310170308 A CN201310170308 A CN 201310170308A CN 103343277 A CN103343277 A CN 103343277A
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Abstract
The invention provides a high-wear-resistant, corrosion-resistant and high-temperature-resistant industrial cutter, and relates to the technical field of cutters. The cutter uses tungsten carbide as a cemented carbide phase, cobalt powder and iron powder as a bonding phase, and nickle powder as a powder connecting phase, and is added with a certain amount of carbon powder to increase carbon contents of products, thereby improving wear-resistant effect and toughness. A manufacturing technology provided by the invention is simple, easy to realize, high in production efficiency, high in yield, and beneficial for large-scale mechanized production. The prepared cutter is high in hardness and good in wear resistance, and has distinct advantages of heat stability, thermal conductivity, corrosion resistance, oxidation resistance, high-temperature hardness and high-temperature intensity. The cutter can be continuously and rapidly cut under a high temperature, is small in frictional force during cutting, relatively sharp in cutting, relatively neat in notches and free of burrs, and can greatly improve cutting speed if used for cutting production, thereby further improving production efficiency. The cutter can not only process various materials which are hard to cut, being accurate in process and high in product precision, but also produce safe and environmental-protective materials, and is relatively safe for cutting food and drugs, thereby being beneficial for environmental protection.
Description
Technical field
The present invention relates to the cutting-tool engineering field, be specifically related to the high temperature resistant industrial cutter of a kind of high abrasion corrosion resistant and preparation technology thereof.
Background technology
Along with improving constantly of human living standard, demand to resource also constantly increases, and the operating cost of resource and further the difficulty the rock stratum in open up the new problem of bringing, brought the opposing of cutter has been broken and the intensity of repeated stress failure, the requirement that each side such as toughness and wear resistance is more and more higher, thus, have high-intensity high-abrasive material and new parts again to having high rigidity, new cutter, the cutter that adapts under the extreme condition is had higher requirement, traditional Wimet is because intensity and hardness height, wear resistance is good, red hardness is good, thermal expansivity is little, a series of premium propertiess such as Young's modulus height and chemical stability are good, it is widely used on the various cutters.
Machining is basic, the most reliable processing means in the mechanical workout, and the performance of cutter is one of deciding factor that influences machining efficient, precision, surface quality etc.Cutter material has experienced several developmental stage such as carbon tool steel, rapid steel, Wimet, pottery and superhard material.According to the data of CIRP, because the improvement of cutter material adds the cutting speed that allows man-hour and almost namely improved 1 times every 10 years.In the modern course of processing, the most effectual way that improves working (machining) efficiency remains the employing High Speed Cutting Technique.Conventional tool can't be competent at needed various high-strength, the high hard machining that reach the high speed engineering materials of modern development in science and technology because of its limitation, sintex is showing the advantage that conventional tool is incomparable then with its excellent thermotolerance, wear resistance and chemical stability aspect high speed cutting field and the cutting difficult-to-machine material.
Sintex mainly contains two big classes on the domestic market at present: alumina base and silicon nitride base ceramic cutting tool.Compare with other cutter material, the significant disadvantage of sintex is exactly the fracture toughness property deficiency, and bending strength and thermal shock resistance are relatively poor, when cutting temperature is showing variation, are easy to generate crackle.As one of important indicator of estimating its resisting breakage ability, sintex need improve its hardness, bending strength and fracture toughness property by suitable means, and mill, plane, boring and other intermittently add man-hour, the fracture toughness property of blade material is even more important.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of intensity good, the high temperature resistant industrial cutter of high abrasion corrosion resistant that the preparation method is simple.
Technical problem to be solved by this invention realizes by the following technical solutions:
The high temperature resistant industrial cutter of a kind of high abrasion corrosion resistant is made up of following components in weight percentage,
Described forming agent is the Wimet forming agent.
Described Wimet forming agent is Wimet forming agent SD-A.
Industrial cutter preparation technology that a kind of high abrasion corrosion resistant is high temperature resistant:
1) weight proportion by each raw material in the component takes by weighing raw material, raw material is mixed to make blank stand-by;
2) add alcohol in blank, blank and alcohol add in the 1:2 ratio, and grinding machine for grinding 5 hours, with blank with make compound after alcohol thoroughly mixes;
3) compound was put into the container precipitation 2 hours, the alcohol of clarifying is above carried;
4) compound in the step 3) is put into the drying cupboard drying, the residual alcohol in the compound is vapored away, make compound powdering material;
5) powder-material is crossed added forming agent behind 120 mesh sieves and mix, make the moulding material;
6) the moulding material is put into mould compression moulding, and after model surface adds the high cobalt of release coating, put into the vacuum pressed sintering oven, vacuumize in the stove, heated 1.5 hours, be heated to 600 ℃, the burning of Wimet forming agent is extracted out;
7) insulation was 20 minutes after heating was finished, heat again to 1200 ℃, time control entered solid formative stage at 1.5-2 hour, Gu be incubated 15 minutes after the moulding, heat again to 1470 ℃, time control entered the liquid item densification stage at 1 hour, lowered the temperature (needing 14 hours) automatically to below 100 ℃ after being incubated 20 minutes again after the densification of liquid item is finished, product is taken out in blow-on, utilizes the grinding machine precision sizing to become product.
The mass content of described high cobalt is more than 15%.
The invention has the beneficial effects as follows: manufacture craft of the present invention is simple and easy to realize, and its production efficiency height, the good article rate height, be conducive to mass mechanized production, the cutter of preparation, its hardness height, wear resistance are good, and its thermostability, thermal conductivity, solidity to corrosion, oxidation-resistance and hot hardness, hot strength etc. all have a clear superiority in; It can be at high temperature cutting fast continuously, frictional force is little during cutting, cut sharper, otch is more neat, no burr, for machining production, can greatly improve cutting speed, and then enhance productivity; It not only can process the various materials that are difficult to cut, processing accurately, product precision height, and because it makes material safety and environmental protection, be used for food and medicine and cut safer relievedly, be conducive to environmental protection.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1
The high temperature resistant industrial cutter of a kind of high abrasion corrosion resistant adopts wolfram varbide as the Wimet phase, and cobalt powder, iron powder are as bonding phase, nickel powder connects phase as powder, add carbon dust a certain amount of for increasing the product carbon content, improve wear-resisting effect, toughness, the weight percent of each component is:
Wherein forming agent is selected Wimet forming agent SD-A for use.
Industrial cutter preparation technology that a kind of high abrasion corrosion resistant is high temperature resistant:
1) weight proportion by each raw material in the component takes by weighing raw material, raw material is mixed to make blank stand-by;
2) add alcohol in blank, blank and alcohol add in the 1:2 ratio, and grinding machine for grinding 5 hours, with blank with make compound after alcohol thoroughly mixes;
3) compound was put into the container precipitation 2 hours, the alcohol of clarifying is above carried;
4) compound in the step 3) is put into the drying cupboard drying, the residual alcohol in the compound is vapored away, make compound powdering material;
5) powder-material is crossed added forming agent behind 120 mesh sieves and mix, make the moulding material;
6) the moulding material is put into mould compression moulding, and after model surface adds high cobalt release coating, put into the vacuum pressed sintering oven, vacuumize in the stove, heated 1.5 hours, be heated to 600 ℃, the burning of Wimet forming agent is extracted out;
7) insulation was 20 minutes after heating was finished, heat again to 1200 ℃, time control entered solid formative stage at 1.5-2 hour, Gu be incubated 15 minutes after the moulding, heat again to 1470 ℃, time control entered the liquid item densification stage at 1 hour, lowered the temperature (needing 14 hours) automatically to below 100 ℃ after being incubated 20 minutes again after the densification of liquid item is finished, product is taken out in blow-on, utilizes the grinding machine precision sizing to become product.
Embodiment 2
The high temperature resistant industrial cutter of a kind of high abrasion corrosion resistant is made up of following components in weight percentage,
Industrial cutter preparation technology that a kind of high abrasion corrosion resistant is high temperature resistant:
1) weight proportion by each raw material in the component takes by weighing raw material, raw material is mixed to make blank stand-by;
2) add alcohol in blank, blank and alcohol add in the 1:2 ratio, and grinding machine for grinding 5 hours, with blank with make compound after alcohol thoroughly mixes;
3) compound was put into the container precipitation 2 hours, the alcohol of clarifying is above carried;
4) compound in the step 3) is put into the drying cupboard drying, the residual alcohol in the compound is vapored away, make compound powdering material;
5) powder-material is crossed added forming agent behind 120 mesh sieves and mix, make the moulding material;
6) the moulding material is put into mould compression moulding, and after model surface adds high cobalt release coating, put into the vacuum pressed sintering oven, vacuumize in the stove, heated 1.5 hours, be heated to 600 ℃, the burning of Wimet forming agent is extracted out;
7) insulation was 20 minutes after heating was finished, heat again to 1200 ℃, time control entered solid formative stage at 1.5-2 hour, Gu be incubated 15 minutes after the moulding, heat again to 1470 ℃, time control entered the liquid item densification stage at 1 hour, lowered the temperature (needing 14 hours) automatically to below 100 ℃ after being incubated 20 minutes again after the densification of liquid item is finished, product is taken out in blow-on, utilizes the grinding machine precision sizing to become product.
Bending strength 1000Mpa, fracture toughness property is 8Jcm
-2, hardness (HPA) is 120.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. high temperature resistant industrial cutter of high abrasion corrosion resistant is characterized in that: formed by following components in weight percentage,
2. the high temperature resistant industrial cutter of high abrasion corrosion resistant according to claim 1, it is characterized in that: described forming agent is the Wimet forming agent.
3. the high temperature resistant industrial cutter of high abrasion corrosion resistant according to claim 1, it is characterized in that: described Wimet forming agent is Wimet forming agent SD-A.
4. the preparation technology of the high temperature resistant industrial cutter of high abrasion corrosion resistant according to claim 1 is characterized in that:
A) weight proportion by each raw material in the component takes by weighing raw material, raw material is mixed to make blank stand-by;
B) add alcohol in blank, blank and alcohol add in the 1:2 ratio, and grinding machine for grinding 5 hours, with blank with make compound after alcohol thoroughly mixes;
C) compound was put into the container precipitation 2 hours, the alcohol of clarifying is above carried;
D) compound in the step c) is put into the drying cupboard drying, the residual alcohol in the compound is vapored away, make compound powdering material;
E) powder-material is crossed added forming agent behind 120 mesh sieves and mix, make the moulding material;
F) the moulding material is put into mould compression moulding, and after model surface adds high cobalt release coating, put into the vacuum pressed sintering oven, vacuumize in the stove, heated 1.5 hours, be heated to 600 ℃, the burning of Wimet forming agent is extracted out;
G) insulation was 20 minutes after heating was finished, heat again to 1200 ℃, time control entered solid formative stage at 1.5-2 hour, Gu be incubated 15 minutes after the moulding, heat again to 1470 ℃, time control entered the liquid item densification stage at 1 hour, was cooled to automatically below 100 ℃ after being incubated 20 minutes again after the densification of liquid item is finished, product is taken out in blow-on, utilizes the grinding machine precision sizing to become product.
5. the high temperature resistant industrial cutter preparation technology of high abrasion corrosion resistant according to claim 4, it is characterized in that: the mass content of described high cobalt is more than 15%.
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| CN2013101703086A CN103343277A (en) | 2013-05-06 | 2013-05-06 | High-wear-resistant, corrosion-resistant and high-temperature-resistant industrial cutter |
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| CN2013101703086A CN103343277A (en) | 2013-05-06 | 2013-05-06 | High-wear-resistant, corrosion-resistant and high-temperature-resistant industrial cutter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938049A (en) * | 2014-03-18 | 2014-07-23 | 界首市创力生产力促进中心有限公司 | High strength and high wear resistant ring used for stirrer |
| CN104353827A (en) * | 2014-10-31 | 2015-02-18 | 浙江恒成硬质合金有限公司 | Shield cutter for complex geology |
| CN106011578A (en) * | 2016-05-06 | 2016-10-12 | 陈昌 | Metal ceramic composite material and preparation method thereof |
| CN109609830A (en) * | 2019-01-11 | 2019-04-12 | 福建拓邦机械制造有限公司 | A kind of high-performance cutter and preparation method thereof |
| CN113430442A (en) * | 2021-05-31 | 2021-09-24 | 杭州中粮包装有限公司 | Hard alloy material and preparation method and application thereof |
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| SE451951B (en) * | 1980-02-29 | 1987-11-09 | Gen Electric | PROCEDURE FOR PREPARING A DIAMOND WIRE DISC PRESS body |
| CN102350503A (en) * | 2011-10-21 | 2012-02-15 | 株洲硬质合金集团有限公司 | Method for producing spherical thermal-spraying powder |
| WO2012045761A2 (en) * | 2010-10-07 | 2012-04-12 | Sandvik Intellectual Property Ab | Cemented carbide punch |
| CN102796934A (en) * | 2012-07-06 | 2012-11-28 | 德阳思远重工有限公司 | Shield machine cutter material and preparation method thereof |
| CN102808096A (en) * | 2012-08-13 | 2012-12-05 | 厦门钨业股份有限公司 | Preparation method for super coarse crystal WC-Co hard alloy |
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2013
- 2013-05-06 CN CN2013101703086A patent/CN103343277A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| SE451951B (en) * | 1980-02-29 | 1987-11-09 | Gen Electric | PROCEDURE FOR PREPARING A DIAMOND WIRE DISC PRESS body |
| WO2012045761A2 (en) * | 2010-10-07 | 2012-04-12 | Sandvik Intellectual Property Ab | Cemented carbide punch |
| CN102350503A (en) * | 2011-10-21 | 2012-02-15 | 株洲硬质合金集团有限公司 | Method for producing spherical thermal-spraying powder |
| CN102796934A (en) * | 2012-07-06 | 2012-11-28 | 德阳思远重工有限公司 | Shield machine cutter material and preparation method thereof |
| CN102808096A (en) * | 2012-08-13 | 2012-12-05 | 厦门钨业股份有限公司 | Preparation method for super coarse crystal WC-Co hard alloy |
Non-Patent Citations (1)
| Title |
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| 张汉斌: "WC-Ni/Co、WC-Fe/Ni/Co新型凿岩合金的工业考核", 《硬质合金》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938049A (en) * | 2014-03-18 | 2014-07-23 | 界首市创力生产力促进中心有限公司 | High strength and high wear resistant ring used for stirrer |
| CN104353827A (en) * | 2014-10-31 | 2015-02-18 | 浙江恒成硬质合金有限公司 | Shield cutter for complex geology |
| CN106011578A (en) * | 2016-05-06 | 2016-10-12 | 陈昌 | Metal ceramic composite material and preparation method thereof |
| CN109609830A (en) * | 2019-01-11 | 2019-04-12 | 福建拓邦机械制造有限公司 | A kind of high-performance cutter and preparation method thereof |
| CN113430442A (en) * | 2021-05-31 | 2021-09-24 | 杭州中粮包装有限公司 | Hard alloy material and preparation method and application thereof |
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Application publication date: 20131009 |