CN103388088B - A kind of carbide-tipped reamer - Google Patents
A kind of carbide-tipped reamer Download PDFInfo
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- CN103388088B CN103388088B CN201310266786.7A CN201310266786A CN103388088B CN 103388088 B CN103388088 B CN 103388088B CN 201310266786 A CN201310266786 A CN 201310266786A CN 103388088 B CN103388088 B CN 103388088B
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Abstract
The invention discloses a kind of carbide-tipped reamer, it is made up of following raw material: 75-80 part hard phase, the bonding phase of 13-15 part, 1.5-2.5 part suppress phase, 0.2-0.4 part lubricating additive, described hard phase is made up of the raw material of following mass percent: 12-15% tungsten carbide, 0.9-1.2% cobalt carbide, 2.5-3.5% molybdenum boride, 0.6-0.9% carbon zinc, and surplus is tungsten boride; Described Binder Phase is made up of the raw material of following mass percent: 16-18% hydroxyl nikel powder, 25-30%Mo, 15-20% hydroxy iron powder, and surplus is Co; Hard alloy of the present invention can overcome defect of the prior art, have employed appropriate formula, and the cutter that this material and method obtain has the high advantage with good toughness of hardness.
Description
Technical field
The present invention relates to the field of hard alloy, particularly relate to a kind of carbide-tipped reamer.
Background technology
Along with improving constantly of human living standard, the demand of resource is also constantly increased, and the operating cost of resource and further difficulty rock stratum in open up the new problem brought, bring the opposing to cutter to break and the intensity of fatigue fracture, the requirement that each side such as toughness and wearability is increasingly higher, thus, to having high rigidity, there are again the high-abrasive material of high intensity and new parts, new cutter, the cutter adapted under extreme condition is had higher requirement, traditional hard alloy is high due to intensity and hardness, wearability is good, red hardness is good, thermal coefficient of expansion is little, a series of premium properties such as elastic modelling quantity is high and chemical stability is good, it is widely used on various cutter.
Summary of the invention
It is an object of the invention to provide a kind of carbide-tipped reamer, this hard alloy can overcome defect of the prior art, have employed appropriate formula, and the cutter that this material and method obtain has the high advantage with good toughness of hardness.
For achieving the above object, technical scheme is as follows:
A kind of carbide-tipped reamer, it is made up of following raw material: 75-80 part hard phase, the bonding phase of 13-15 part, 1.5-2.5 part suppress phase, 0.2-0.4 part lubricating additive, described hard phase is made up of the raw material of following mass percent: 12-15% tungsten carbide, 0.9-1.2% cobalt carbide, 2.5-3.5% molybdenum boride, 0.6-0.9% carbon zinc, and surplus is tungsten boride; Described Binder Phase is made up of the raw material of following mass percent: 12-14% hydroxyl nikel powder, 24-32%Mo, 15-20% hydroxy iron powder, and surplus is Co; Described suppression is made up of the raw material of following mass percent mutually: 15-17%NbC, 12-22%Si, 34-40% Graphene, and surplus is VC; Carbide-tipped reamer is made by following processing step:
1) wet grinding: each raw material weighed according to the above ratio, carries out wet grinding by tumbling ball mill, and wet grinding media is deionized water, and mill ball is alumina balls, and the granularity of alumina balls is 20-25mm;
2) dry: in vacuum drying oven, to be dried by the slurry after wet grinding, temperature controls 110～
130 DEG C, under vacuum-0.20～-0.15Pa, dry 3.5～5.5 hours;
3) sintering: by dried powder, be sintered molding in a vacuum furnace, sintering temperature 950-1080 DEG C, vacuum-0.10～-0.15Pa, sinter 2-3 hour.
Described sintering step: by dried powder, is sintered molding, sintering temperature 1000 DEG C, vacuum-0.12Pa in a vacuum furnace, sinters 2.5 hours.
The present invention has following technical effect that
(1) plasticity is better, and in manufacture, easy molding, reduces manufacture difficulty and cost;
(2) have employed hydroxyl powder, it is to avoid the crystal grain in manufacturing is assembled, and can obtain the distribution that bonds comparatively uniformly;
(3) by the cooperation of material, it is provided that the doping that excellent ferrum is Ni-based, thus improve intensity and the fracture toughness of hard alloy;
(4) service life is longer, manufactures simple, and manufactured Hardmetal materials has high hardness, intensity and toughness simultaneously, can be used for high-performance processing cutting tool, mould.
The present invention will be further described in detail by the following specific embodiments.
Detailed description of the invention
A kind of carbide-tipped reamer, it is made up of following raw material: 75-80 part hard phase, the bonding phase of 13-15 part, 1.5-2.5 part suppress phase, 0.2-0.4 part lubricating additive, described hard phase is made up of the raw material of following mass percent: 12-15% tungsten carbide, 0.9-1.2% cobalt carbide, 2.5-3.5% molybdenum boride, 0.6-0.9% carbon zinc, and surplus is tungsten boride; Described Binder Phase is made up of the raw material of following mass percent: 12-14% hydroxyl nikel powder, 24-32%Mo, 15-20% hydroxy iron powder, and surplus is Co; Described suppression is made up of the raw material of following mass percent mutually: 15-17%NbC, 12-22%Si, 34-40% Graphene, and surplus is VC; Carbide-tipped reamer is made by following processing step:
1) wet grinding: each raw material weighed according to the above ratio, carries out wet grinding by tumbling ball mill, and wet grinding media is deionized water, and mill ball is alumina balls, and the granularity of alumina balls is 20-25mm;
2) dry: in vacuum drying oven, to be dried by the slurry after wet grinding, temperature controls 110～
130 DEG C, under vacuum-0.20～-0.15Pa, dry 3.5～5.5 hours;
3) sintering: by dried powder, be sintered molding, sintering temperature 1000 DEG C, vacuum-0.12Pa in a vacuum furnace, sinter 2.5 hours.
Claims (1)
1. a carbide-tipped reamer, it is characterized in that: be made up of following raw material: 75-80 part hard phase, the bonding phase of 13-15 part, 1.5-2.5 part suppress phase, 0.2-0.4 part lubricating additive, described hard phase is made up of the raw material of following mass percent: 12-15% tungsten carbide, 0.9-1.2% cobalt carbide, 2.5-3.5% molybdenum boride, 0.6-0.9% carbon zinc, and surplus is tungsten boride; Described Binder Phase is made up of the raw material of following mass percent: 12-14% hydroxyl nikel powder, 24-32%Mo, 15-20% hydroxy iron powder, and surplus is Co; Described suppression is made up of the raw material of following mass percent mutually: 15-17%NbC, 12-22%Si, 34-40% Graphene, and surplus is VC; Carbide-tipped reamer is made by following processing step:
1) wet grinding: each raw material weighed according to the above ratio, carries out wet grinding by tumbling ball mill, and wet grinding media is deionized water, and mill ball is alumina balls, and the granularity of alumina balls is 20-25mm;
2) dry: in vacuum drying oven, the slurry after wet grinding to be dried, temperature control 110～130 DEG C, under vacuum-0.20～-0.15Pa, dry 3.5～5.5 hours;
3) sintering: by dried powder, be sintered molding, sintering temperature 1000 DEG C, vacuum-0.12Pa in a vacuum furnace, sinter 2.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310266786.7A CN103388088B (en) | 2013-06-29 | 2013-06-29 | A kind of carbide-tipped reamer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310266786.7A CN103388088B (en) | 2013-06-29 | 2013-06-29 | A kind of carbide-tipped reamer |
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| Publication Number | Publication Date |
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| CN103388088A CN103388088A (en) | 2013-11-13 |
| CN103388088B true CN103388088B (en) | 2016-06-15 |
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| CN201310266786.7A Expired - Fee Related CN103388088B (en) | 2013-06-29 | 2013-06-29 | A kind of carbide-tipped reamer |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105177391B (en) * | 2015-09-30 | 2017-03-22 | 江西耀升钨业股份有限公司 | Manufacturing technology for super-hard alloy |
| CN105483500A (en) * | 2015-11-25 | 2016-04-13 | 芜湖市鸿坤汽车零部件有限公司 | Preparation method of automobile engine cylinder block |
| CN106011586A (en) * | 2016-06-23 | 2016-10-12 | 王莹 | High-strength boride-based cermet liner plate and preparation method thereof |
| CN106756403A (en) * | 2016-12-09 | 2017-05-31 | 大连圣洁真空技术开发有限公司开发区分公司 | A kind of accurate combination broach processing technology |
| CN107740005A (en) * | 2017-10-31 | 2018-02-27 | 南昌工程学院 | A kind of difficult-to-machine material monoblock type hard alloy cutter and preparation method thereof |
| CN113618067B (en) * | 2021-08-07 | 2022-04-22 | 中航盛世(北京)模切机械有限公司 | Die-cutting tool shaft and machining process thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152541A (en) * | 1980-04-25 | 1981-11-26 | Sumitomo Electric Ind Ltd | Coating tool for intermittent cutting |
| JPS6342346A (en) * | 1986-08-08 | 1988-02-23 | Toshiba Tungaloy Co Ltd | High-strength sintered hard alloy |
| CN101265544A (en) * | 2008-05-07 | 2008-09-17 | 株洲精工硬质合金有限公司 | Vanadium-containing non-magnesium hard alloy and preparation method thereof |
| CN102433485A (en) * | 2011-08-03 | 2012-05-02 | 四川欧曼机械有限公司 | Iron and nickel-based hard alloy cutter material and preparation method thereof |
| CN102296223A (en) * | 2011-08-15 | 2011-12-28 | 四川欧曼机械有限公司 | Fine grain WC-based cemented carbide material and its preparation method |
| CN102534339A (en) * | 2012-01-06 | 2012-07-04 | 常州西利合金工具有限公司 | Preparation method for producing end milling cutter blank mixture |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190726 Address after: 223300 No. 180 Changjiang East Road, Huaiyin District, Huaian City, Jiangsu Province Patentee after: Huaian Mooshi Tools Manufacturing Co., Ltd. Address before: 233000 Anhui city of Bengbu province high tech District Road No. 168 Patentee before: Bengbu Hongan Precision Machinery Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160615 Termination date: 20210629 |