CN102814753B - Iron-powder doped ceramic diamond grinding wheel - Google Patents
Iron-powder doped ceramic diamond grinding wheel Download PDFInfo
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- CN102814753B CN102814753B CN201210267444.2A CN201210267444A CN102814753B CN 102814753 B CN102814753 B CN 102814753B CN 201210267444 A CN201210267444 A CN 201210267444A CN 102814753 B CN102814753 B CN 102814753B
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Abstract
The invention discloses an iron-powder doped ceramic diamond grinding wheel which comprises the following components by weight: 50-60 parts of diamond abrasive, 15-20 parts of brown corundum abrasive, 4-6 parts of phenolic resin powder, 5-8 parts of iron powder, 1-3 parts of naphthyl grains, 1-3 parts of dibutyl sebacate, 1-2 parts of tricresyl phosphate, 4-8 parts of dolomite, 4-8 parts of borax, 2-4 parts of potassium feldspar and 1-3 parts of zinc oxide. Because the binding agents are ceramic materials, the grinding wheel is not easy to deform, has good heat resistance and high abrasion resistance. The various ceramic materials have good binding performance, can prevent the formation of cracks effectively and solves the problems that the existing grinding wheel has poor heat resistance and is easy to deform, the existing binding agents for producing the grinding wheel have poor performance, and the abrasives are easy to fall. Because the iron powder and other metal powders are added, the grinding wheel disclosed by the invention has high heat conducting performance, low grinding temperature and higher hardness and strength and can dissipate heat quickly, the cracks formed due to rigid grinding are reduced, the grinding efficiency and the service life of the grinding wheel are far higher and longer than those of the traditional grinding wheel, and the comprehensive benefit is improved by more than 50%.
Description
Technical field
The invention discloses a kind of ceramic metal diamond grinding wheel being mixed with iron powder and preparation method thereof, belong to finishing technical field.
Background technology
Emery wheel is a topmost class grinding tool in grinding.Emery wheel adds bonding agent in abrasive material, the porous body made through pressed compact, drying and roasting.Emery wheel is the one that in grinding tool, consumption is maximum, use face is the widest, High Rotation Speed during use, can roughly grind, half fine grinding and fine grinding and fluting and cut-out etc. to the cylindrical of metal or non-metal workpiece, inner circle, plane and various profiles etc.Material in order to bonded abrasive in emery wheel claims bonding agent, and the performance of bonding agent determines the intensity of emery wheel, impact resistance, heat resistance and resistance to corrosion.Current bonding agent is mainly divided into four kinds, pottery, resin, rubber and metal, wherein vitrified bond heat resistance, good corrosion resistance, the porosity keep profile greatly, easily, are applicable to the various plunge grindings of v<35m/s, roll flute wheel, thread grinding etc.
Technique of Vitrified Diamond Wheels is with the good vitrified bond of proportioning abrasive particle bonding, through pressed compact, drying, roasting and finishing, has a lot of pore, carries out the grinding tool that cuts with abrasive particle.Technique of Vitrified Diamond Wheels has high strength, and heat resistance is good, and cut sharp, grinding efficiency is high, and not easily generate heat in grinding process and block, thermal expansion amount is little, with controlled working precision.Compare with resin bond wheel, it he solves low life-span of resin diamond grinding wheel, and grinding efficiency is low, the problem of this mutability in grinding process of grinding tool.Therefore Technique of Vitrified Diamond Wheels is at diamond, industrial ceramics, diamond compact, dimond synneusis, diamond cutter, cubic boron nitride, in the grinding of some special materials such as the contour hard brittle material of carbide alloy, there is more and more significantly advantage, in the development of diamond abrasive tool, have good prospect.Be considered to the high-performance grinding tool of high speed, the pollution of efficient, high-precision, low grinding cost, low environment, having and apply more and more widely, is the focus that recent countries in the world grinding tool is is competitively researched and developed.
Summary of the invention
The object of this invention is to provide a kind of ceramic metal diamond grinding wheel being mixed with iron powder, to increase intensity and the hardness of Technique of Vitrified Diamond Wheels, improve its performance.
For reaching above object, the technical solution used in the present invention is as follows:
Be mixed with a ceramic metal diamond grinding wheel for iron powder, it is characterized in that, it is made up of the raw material of following weight portion:
Diamond abrasive 50-60, brown corundum abrasive 15-20, phenol-formaldehyde resin powder 4-6, iron powder 5-8, naphthalene grain 1-3, dibutyl sebacate 1-3, tricresyl phosphate 1-2, dolomite 4-8, borax 4-8, potassic feldspar 2-4, zinc oxide 1-3.
The described weight portion being mixed with each raw material components of ceramic metal diamond grinding wheel of iron powder is as one of formula each in following table:
| Raw material | Diamond abrasive | Brown corundum abrasive | Scrap iron powder | Iron powder | Naphthalene grain | Dibutyl sebacate | Tricresyl phosphate | Dolomite | Borax | Potassic feldspar | Zinc oxide |
| Formula 1 | 53 | 17 | 4 | 6 | 1.5 | 1.6 | 1.2 | 4 | 4 | 2 | 1 |
| Formula 2 | 55 | 18 | 5 | 8 | 1.9 | 2.2 | 1.4 | 5 | 6 | 3 | 2 |
| Formula 3 | 58 | 20 | 7 | 9 | 2.4 | 2.6 | 1.7 | 8 | 7 | 4 | 2 |
| Formula 4 | 60 | 20 | 8 | 9 | 2.8 | 3.0 | 1.8 | 8 | 8 | 4 | 3 |
Described dolomite, borax, potassic feldspar, zinc oxide are through 2600-3000 DEG C of high melt, and after cooling, ball milling becomes nano ceramic powder, can become vitrified bond.
Be mixed with a preparation method for the ceramic metal diamond grinding wheel of iron powder, it is characterized in that, comprise the following steps:
(1) load in batch mixer by above-mentioned formula by each component, mixed 1-2 hour, fully mixes;
(2) batch mixing is poured in mould, again mould is put into press compacting, heating mould simultaneously, first precharge 1-2 MPa, the upper and lower plate heating-up temperature 300-350 DEG C of press, time 2-4 minute, then 11-12 MPa is boosted to, pressurize 3-5 minute, then rises to 720-750 DEG C by treatment temperature, insulation 2-3 hour; Naturally cool to 40-450 DEG C again, then be warming up to 1210-1250 DEG C by 3-5 per minute DEG C, insulation 6-7 hour;
(3) be cooled to normal temperature after hot pressing, take out emery wheel workpiece.
The present invention has following beneficial effect:
1, in the present invention, bonding agent adopts ceramic material, emery wheel can be made not yielding, good heat resistance, have very high wearability, solve existing emery wheel poor heat resistance, yielding problem; Various ceramic material adhesive property is good, effectively can prevent crackle, solves existing emery wheel Binder Properties not good, the caducous problem of abrasive material.
2, the present invention with the addition of the metal dusts such as iron powder, not only increase the heat conductivility of emery wheel, rapid heat dissipation, grinding temperature is low, and increase hardness and the intensity of emery wheel, reduce the crackle that rigidity grinding is formed, its grinding efficiency and service life, comprehensive benefit improved more than 50% considerably beyond traditional emery wheel.
Detailed description of the invention
It is following that by specific embodiment, the present invention is further illustrated.
Embodiment 1
The ceramic metal diamond grinding wheel being mixed with iron powder is made up of the raw material of following weight portion: diamond abrasive 53, brown corundum abrasive 17, phenol-formaldehyde resin powder 4, iron powder 6, naphthalene grain 1.5, dibutyl sebacate 1.6, tricresyl phosphate 1.2, dolomite 4, borax 4, potassic feldspar 2, zinc oxide 1.Described dolomite, borax, potassic feldspar, zinc oxide are through 2724 DEG C of high melts, and after cooling, ball milling becomes nano ceramic powder, can become vitrified bond.
The preparation method being mixed with the ceramic metal diamond grinding wheel of iron powder comprises the following steps:
(1) by above-mentioned formula, each component is loaded in batch mixer, mixed 1 hour, fully mix;
(2) batch mixing is poured in mould, then mould is put into press compacting, heating mould simultaneously, first precharge 1 MPa, the upper and lower plate heating-up temperature of press 310 DEG C, time 2 clock, then boosts to 11 MPas, pressurize 3 minutes, then rises to 725 DEG C by treatment temperature, is incubated 2 hours; Naturally cool to 40-450 DEG C again, then be warming up to 1210-1250 DEG C by 3-5 per minute DEG C, insulation 6-7 hour;
(3) be cooled to normal temperature after hot pressing, take out emery wheel workpiece.
Embodiment 2
The ceramic metal diamond grinding wheel being mixed with iron powder is made up of the raw material of following weight portion: diamond abrasive 55, brown corundum abrasive 18, phenol-formaldehyde resin powder 5, iron powder 8, naphthalene grain 1.9, dibutyl sebacate 2.2, tricresyl phosphate 1.4, dolomite 5, borax 6, potassic feldspar 3, zinc oxide 2.Described dolomite, borax, potassic feldspar, zinc oxide are through 2813 DEG C of high melts, and after cooling, ball milling becomes nano ceramic powder, can become vitrified bond.
The preparation method being mixed with the ceramic metal diamond grinding wheel of iron powder comprises the following steps:
(1) by above-mentioned formula, each component is loaded in batch mixer, mixed 1 hour, fully mix;
(2) batch mixing is poured in mould, then mould is put into press compacting, heating mould simultaneously, first precharge 1 MPa, the upper and lower plate heating-up temperature of press 320 DEG C, time 2 clock, then boosts to 11 MPas, pressurize 3 minutes, then rises to 735 DEG C by treatment temperature, is incubated 2 hours; Naturally cool to 40-450 DEG C again, then be warming up to 1210-1250 DEG C by 3-5 per minute DEG C, insulation 6-7 hour;
(3) be cooled to normal temperature after hot pressing, take out emery wheel workpiece.
Embodiment 3
The ceramic metal diamond grinding wheel being mixed with iron powder is made up of the raw material of following weight portion: diamond abrasive 58, brown corundum abrasive 20, phenol-formaldehyde resin powder 7, iron powder 9, naphthalene grain 2.4, dibutyl sebacate 2.6, tricresyl phosphate 1.7, dolomite 8, borax 7, potassic feldspar 4, zinc oxide 2.Described dolomite, borax, potassic feldspar, zinc oxide are through 2895 DEG C of high melts, and after cooling, ball milling becomes nano ceramic powder, can become vitrified bond.
The preparation method being mixed with the ceramic metal diamond grinding wheel of iron powder comprises the following steps:
(1) by above-mentioned formula, each component is loaded in batch mixer, mixed 2 hours, fully mix;
(2) batch mixing is poured in mould, then mould is put into press compacting, heating mould simultaneously, first precharge 2 MPa, the upper and lower plate heating-up temperature of press 335 DEG C, time 3 clock, then boosts to 12 MPas, pressurize 4 minutes, then rises to 740 DEG C by treatment temperature, is incubated 3 hours; Naturally cool to 40-450 DEG C again, then be warming up to 1210-1250 DEG C by 3-5 per minute DEG C, insulation 6-7 hour;
(3) be cooled to normal temperature after hot pressing, take out emery wheel workpiece.
Embodiment 4
The ceramic metal diamond grinding wheel being mixed with iron powder is made up of the raw material of following weight portion: diamond abrasive 60, brown corundum abrasive 20, phenol-formaldehyde resin powder 8, iron powder 9, naphthalene grain 2.8, dibutyl sebacate 3.0, tricresyl phosphate 1.8, dolomite 8, borax 8, potassic feldspar 4, zinc oxide 3.Described dolomite, borax, potassic feldspar, zinc oxide are through 2938 DEG C of high melts, and after cooling, ball milling becomes nano ceramic powder, can become vitrified bond.
The preparation method being mixed with the ceramic metal diamond grinding wheel of iron powder comprises the following steps:
(1) by above-mentioned formula, each component is loaded in batch mixer, mixed 2 hours, fully mix;
(2) batch mixing is poured in mould, then mould is put into press compacting, heating mould simultaneously, first precharge 2 MPa, the upper and lower plate heating-up temperature of press 350 DEG C, time 4 clock, then boosts to 12 MPas, pressurize 5 minutes, then rises to 750 DEG C by treatment temperature, is incubated 3 hours; Naturally cool to 40-450 DEG C again, then be warming up to 1210-1250 DEG C by 3-5 per minute DEG C, insulation 6-7 hour;
(3) be cooled to normal temperature after hot pressing, take out emery wheel workpiece.
Claims (2)
1. be mixed with a ceramic metal diamond grinding wheel for iron powder, it is characterized in that, it is made up of the raw material of following weight portion:
Diamond abrasive 50-60, brown corundum abrasive 15-20, phenol-formaldehyde resin powder 4-6, iron powder 5-8, naphthalene grain 1-3, dibutyl sebacate 1-3, tricresyl phosphate 1-2, dolomite 4-8, borax 4-8, potassic feldspar 2-4, zinc oxide 1-3;
The described preparation method being mixed with the ceramic metal diamond grinding wheel of iron powder, comprises the following steps:
(1) load in batch mixer by above-mentioned formula by each component, mixed 1-2 hour, fully mixes;
(2) batch mixing is poured in mould, again mould is put into press compacting, heating mould simultaneously, first precharge 1-2 MPa, the upper and lower plate heating-up temperature 300-350 DEG C of press, time 2-4 minute, then 11-12 MPa is boosted to, pressurize 3-5 minute, then rises to 720-750 DEG C by treatment temperature, insulation 2-3 hour; Naturally cool to 40-450 DEG C again, then be warming up to 1210-1250 DEG C by 3-5 per minute DEG C, insulation 6-7 hour;
(3) be cooled to normal temperature after hot pressing, take out emery wheel workpiece.
2. the ceramic metal diamond grinding wheel being mixed with iron powder according to claim 1, it is characterized in that, described dolomite, borax, potassic feldspar, zinc oxide are through 2600-3000 DEG C of high melt, and after cooling, ball milling becomes nano ceramic powder, can become vitrified bond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210267444.2A CN102814753B (en) | 2012-07-31 | 2012-07-31 | Iron-powder doped ceramic diamond grinding wheel |
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| CN201210267444.2A CN102814753B (en) | 2012-07-31 | 2012-07-31 | Iron-powder doped ceramic diamond grinding wheel |
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| CN102814753A CN102814753A (en) | 2012-12-12 |
| CN102814753B true CN102814753B (en) | 2015-04-01 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111948A (en) * | 2012-12-14 | 2013-05-22 | 姜堰苏蒙砂轮有限公司 | Grinding roller shock absorption grinding wheel adjustable in hardness |
| CN103786102A (en) * | 2014-01-10 | 2014-05-14 | 当涂县南方红月磨具磨料有限公司 | Ceramic brown fused alumina abrasive wheel containing iron ore tailings |
| CN107824268A (en) * | 2017-10-25 | 2018-03-23 | 安徽赵老五油脂有限公司 | A kind of automatic grinding stone mill |
| CN108214331B (en) * | 2018-01-08 | 2019-12-03 | 东北大学 | A kind of CBN grinding wheel |
| CN108972366A (en) * | 2018-05-30 | 2018-12-11 | 安徽佑开科技有限公司 | A kind of diamond-resin grinding wheel |
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| CN101758442A (en) * | 2009-10-30 | 2010-06-30 | 西安泽豪实业有限责任公司 | Formula of diamond ultrathin blade for cutting QFN baseplate and manufacturing technique thereof |
| CN101829960A (en) * | 2010-04-30 | 2010-09-15 | 邬伟光 | Diamond resin grinding tool for stones and ceramics |
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| CN102229122A (en) * | 2011-06-29 | 2011-11-02 | 苏州赛力精密工具有限公司 | Special ceramic bond diamond grinding wheel for grinding diamond |
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| JPH0757473B2 (en) * | 1987-06-23 | 1995-06-21 | 三井研削砥石株式会社 | Super Abrasive Wheel |
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| CN101758442A (en) * | 2009-10-30 | 2010-06-30 | 西安泽豪实业有限责任公司 | Formula of diamond ultrathin blade for cutting QFN baseplate and manufacturing technique thereof |
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