CN103042475B - Stainless steel and titanium alloy screen cloth matrix ceramic grinding wheel for grinding - Google Patents
Stainless steel and titanium alloy screen cloth matrix ceramic grinding wheel for grinding Download PDFInfo
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- CN103042475B CN103042475B CN201210557814.6A CN201210557814A CN103042475B CN 103042475 B CN103042475 B CN 103042475B CN 201210557814 A CN201210557814 A CN 201210557814A CN 103042475 B CN103042475 B CN 103042475B
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Abstract
The invention belongs to the field of machining, and particularly relates to a stainless steel and titanium alloy screen cloth matrix ceramic grinding wheel for grinding. The stainless steel and titanium alloy screen cloth matrix ceramic grinding wheel for grinding comprises a grinding wheel body and a screen cloth matrix, wherein, in the grinding wheel body, at least one of white alundum, single alundum and pink fused alumina is selected as a grinding material, clay powder, feldspar powder and boron glass powder are selected to form a binding agent, and the safely used linear speed of the ceramic grinding wheel is greatly increased through the stages of mixing, forming, drying, firing, combing and the like. The ceramic grinding wheel is specialized for grinding stainless steel and titanium alloy materials in electric tools and pneumatic tools. The ceramic grinding wheel is high in grinding efficiency and small in abrasion, greatly reduces the labor intensity of workers, improves the work environment, and is obvious in economic benefit.
Description
Technical field
The invention belongs to field of machining, be specifically related to a kind of stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive.
Background technology
For large-size stainless steel goods, machine tooling should not be adopted, general is all adopt electric tool or pneumatic tools to install resin wheel to carry out grinding, and due to the particularity of stainless steel material, the material wearability that is clamminess is higher, during ordinary resin wheel grinding, grinding efficiency is low, wears away high, time and effort consuming, the labour intensity of workman is high, easily pollutes surrounding environment simultaneously.
Vitrified abrasive is better than the emery wheel of other bonding agents due to the compatibility of bonding agent and abrasive material and self-sharpening, therefore the wearability and the sharpness that are widely used in the high-end grinding, particularly its uniqueness such as tool grinder and shaping mill make it be able to a large amount of application in metal removal and nonmetal grinding field.But, due to the defect of vitrified abrasive self, fail to be applied in the high speed such as electric tool and pneumatic tools grinding tool, because, the linear velocity of vitrified abrasive safe handling is generally at 35-60m/s, and electric tool and pneumatic tools Generally Recognized as safe use linear velocity at about 80m/s, be only improved the safe handling linear velocity of vitrified abrasive, just can be applied to the grinding of electric tool and pneumatic tools.
Summary of the invention
The technical problem to be solved in the present invention is the safe handling linear velocity that significantly improve vitrified abrasive, provide a kind of stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, be exclusively used in electric tool and pneumatic tools to stainless steel and titanium alloy material grinding, described vitrified abrasive grinding efficiency is high, it is little to wear away, greatly reduce the labour intensity of workman, improve working environment, there is significant economic benefit.
The technical solution used in the present invention is:
A kind of stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, comprise emery wheel base substrate and screen cloth matrix, by weight percentage, emery wheel base substrate is prepared from by following raw material: abrasive material 65-75%, bonding agent 25-35%, wherein, the at least one in white fused alumina abrasive material, single alundum abrasive material and rose grain selected by abrasive material, bonding agent is by clay powder, and feldspar powder and boron glass powder form, and account for 24-32%, 36-45% and 30-35% of bonding agent weight respectively;
Manufacture method comprises the following steps:
(1) raw material prepare: with raw material by said components; .
(2) mix stages: after described abrasive material mixes, with sodium silicate solution, abrasive surface is evenly moistening, then add the bonding agent powder mixed, in adverse current batch mixer, mix 10-30 minute, cross 8-16# screen cloth;
(3) formative stage: adopt isostatic pressing process by compressing for Homogeneous phase mixing material together, pressure is 14-16MPa;
(4) drying stage: heated up by emery wheel blank dry, wherein room temperature is to 95-105 degree, and need heat up 3-5 hour, proceeds to 130-150 degree, and need heat up 3-5 hour, and in dry run, relative humidity is 10%-50%;
(5) stage is burnt till: burnt till in weakly reducing atmosphere by dried emery wheel blank, maximum sintering temperature is 1200-1400 degree, wherein, room temperature to 300 is spent, and need heat up 3-4 hour, 300 to 500 degree, need be heated up 3-4 hour, finally continues to be warming up to 1200-1400 degree, need 10-18 hour, then, naturally cool to room temperature and obtain emery wheel base substrate;
(6) Assembly Phase: by bonding, emery wheel base substrate and screen cloth matrix are combined, to obtain final product.
According to above-mentioned stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, the granularity of described abrasive material is 24#.
According to above-mentioned stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, described sodium silicate solution proportion is 0.8-1.4 g/cm
3, consumption is the 3-5% of abrasive material weight.
According to above-mentioned stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, in described drying stage, room temperature is to 95-105 degree and continue to be warming up in 130-150 degree two processes to be and at the uniform velocity heat up.
According to above-mentioned stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, described in burn till in the stage, be in each process that room temperature to 300 is spent, 300-500 degree and finally continuing is warming up to 1200-1400 degree and at the uniform velocity heat up.
According to above-mentioned stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, described emery wheel base substrate and screen cloth matrix combination are for bond, and adhesive is epoxy resin.
positive beneficial effect of the present invention
Vitrified abrasive of the present invention, through GB/T2493 emery wheel turning test, can bear speed of gyration 128-144m/s, ensures that emery wheel all can be used safely under 80m/s linear velocity; Vitrified abrasive of the present invention is used for electric tool and pneumatic tools to stainless steel material grinding, grinding efficiency be the 5-8 of resin wheel doubly, abrasion are only 30% of resin wheel, and greatly reduce the labour intensity of workman, improve working environment, there is significant economic benefit.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in more detail, but the invention is not restricted to these embodiments.
embodiment 1
A kind of stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, comprise emery wheel base substrate and screen cloth matrix, by weight percentage, emery wheel base substrate is prepared from by following raw material: the white fused alumina abrasive material 65% of granularity 24#, bonding agent 35%; Bonding agent is by clay powder, and feldspar powder and boron glass powder form, and account for 28%, 42% and 30% of bonding agent weight respectively;
Manufacture method comprises the following steps:
(1) raw material prepare: with raw material by said components; .
(2) mix stages: after described abrasive material mixes, with the sodium silicate solution of abrasive material weight 3%, abrasive surface is evenly moistening, the proportion of described sodium silicate solution is 1.1 g/cm
3, then add the bonding agent powder mixed, in adverse current batch mixer, mix 10 minutes, cross 8# screen cloth;
(3) formative stage: adopt isostatic pressing process by compressing for Homogeneous phase mixing material together, pressure is 14MPa;
(4) drying stage: heated up by emery wheel blank dry, wherein room temperature to 100 is spent, and at the uniform velocity need heat up 3 hours, proceed to 145 degree, need at the uniform velocity heat up 3 hours, in dry run, relative humidity is 10%;
(5) stage is burnt till: burnt till in weakly reducing atmosphere by dried emery wheel blank, maximum sintering temperature is 1400 degree, wherein, room temperature to 300 is spent, and need at the uniform velocity heat up 3 hours, 300 to 500 degree, at the uniform velocity need heat up 3 hours, finally continue at the uniform velocity to be warming up to 1400 degree, need 18 hours, then, naturally cool to room temperature and obtain emery wheel base substrate;
(6) Assembly Phase: after emery wheel billet surface is carried out scrubbing, adhesive surface evenly applies one deck epobond epoxyn, by emery wheel base substrate together with screen cloth bond matrix, obtains stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive.
embodiment 2
A kind of stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, comprise emery wheel base substrate and screen cloth matrix, by weight percentage, emery wheel base substrate is prepared from by following raw material: the single alundum abrasive material 70% of granularity 24#, bonding agent 30%; Bonding agent is by clay powder, and feldspar powder and boron glass powder form, and account for 32%, 36% and 32% of bonding agent weight respectively;
Manufacture method comprises the following steps:
(1) raw material prepare: with raw material by said components;
(2) mix stages: after described abrasive material mixes, with the sodium silicate solution of abrasive material weight 4%, abrasive surface is evenly moistening, the proportion of described sodium silicate solution is 1.1 g/cm
3, then add the bonding agent powder mixed, in adverse current batch mixer, mix 20 minutes, cross 12# screen cloth;
(3) formative stage: adopt isostatic pressing process by compressing for Homogeneous phase mixing material together, pressure is 15MPa;
(4) drying stage: heated up by emery wheel blank dry, wherein room temperature to 105 is spent, and at the uniform velocity heat up 5 hours, proceed to 150 degree, rapid temperature increases 5 hours, in dry run, relative humidity is 30%;
(5) stage is burnt till: burnt till in weakly reducing atmosphere by dried emery wheel blank, maximum sintering temperature is 1200 degree, wherein, room temperature to 300 is spent, and at the uniform velocity heats up 4 hours, 300 to 500 degree, at the uniform velocity heat up 4 hours, finally continue at the uniform velocity to be warming up to 1200 degree, need 16 hours, then, naturally cool to room temperature to obtain;
(6) Assembly Phase: by riveted joint, emery wheel base substrate and screen cloth matrix are combined, to obtain final product.
embodiment 3
A kind of stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, comprise emery wheel base substrate and screen cloth matrix, by weight percentage, emery wheel base substrate is prepared from by following raw material: the rose grain 75% of granularity 24#, bonding agent 25%, bonding agent is by clay powder, and feldspar powder and boron glass powder form, and account for 30%, 40% and 30% of bonding agent weight respectively;
Manufacture method comprises the following steps:
(1) raw material prepare: with raw material by said components;
(2) mix stages: after described abrasive material mixes, with the sodium silicate solution of abrasive material weight 5%, abrasive surface is evenly moistening, the proportion of described sodium silicate solution is 1.4 g/cm
3, then add the bonding agent powder mixed, in adverse current batch mixer, mix 30 minutes, cross 16# screen cloth;
(3) formative stage: adopt isostatic pressing process by compressing for Homogeneous phase mixing material together, pressure is 16MPa;
(4) drying stage: heated up by emery wheel blank dry, wherein room temperature to 95 is spent, and at the uniform velocity heats up 4 hours, proceeds to 130 degree, and at the uniform velocity heat up 4 hours, in dry run, relative humidity is 50%;
(5) stage is burnt till: burnt till in weakly reducing atmosphere by dried emery wheel blank, maximum sintering temperature is 1300 degree, wherein, room temperature to 300 is spent, and need at the uniform velocity heat up 3 hours, 300 to 500 degree, at the uniform velocity need heat up 3 hours, finally continue at the uniform velocity to be warming up to 1300 degree, need 17 hours, then, naturally cool to room temperature and obtain emery wheel base substrate;
(6) Assembly Phase: after emery wheel billet surface is carried out scrubbing, adhesive surface evenly applies one deck epobond epoxyn, by emery wheel base substrate together with screen cloth bond matrix, obtains stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive.
embodiment 4
A kind of stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, comprise emery wheel base substrate and screen cloth matrix, by weight percentage, emery wheel base substrate is prepared from by following raw material: 24# abrasive material 70%, bonding agent 30%, wherein, abrasive material by etc. the white fused alumina abrasive material of weight, single alundum abrasive material and rose grain form, bonding agent is by clay powder, and feldspar powder and boron glass powder form, and account for 28%, 42% and 30% of bonding agent weight respectively;
Manufacture method comprises the following steps:
(1) raw material prepare: with raw material by said components;
(2) mix stages: after described abrasive material mixes, with the sodium silicate solution of abrasive material weight 3%, abrasive surface is evenly moistening, the proportion of described sodium silicate solution is 1.1g/cm
3, then add the bonding agent powder mixed, in adverse current batch mixer, mix 30 minutes, cross 8# screen cloth;
(3) formative stage: adopt isostatic pressing process by compressing for Homogeneous phase mixing material together, pressure is 15MPa;
(4) drying stage: heated up by emery wheel blank dry, wherein room temperature to 100 is spent, and at the uniform velocity need heat up 3 hours, proceed to 145 degree, need at the uniform velocity heat up 3 hours, in dry run, relative humidity is 40%;
(5) stage is burnt till: burnt till in weakly reducing atmosphere by dried emery wheel blank, maximum sintering temperature is 1400 degree, wherein, room temperature to 300 is spent, and need at the uniform velocity heat up 3 hours, 300 to 500 degree, at the uniform velocity need heat up 3 hours, finally continue at the uniform velocity to be warming up to 1400 degree, need 18 hours, then, naturally cool to room temperature and obtain emery wheel base substrate;
(6) Assembly Phase: after emery wheel billet surface is carried out scrubbing, adhesive surface evenly applies one deck epobond epoxyn, by emery wheel base substrate together with screen cloth bond matrix, obtains stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive.
The present invention is not limited to above-mentioned detailed description of the invention, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the present invention or similar change all should be encompassed in the scope of the claims in the present invention.
Claims (6)
1. a stainless steel and titanium alloy grinding screen cloth matrix vitrified abrasive, comprise emery wheel base substrate and screen cloth matrix, it is characterized in that, by weight percentage, emery wheel base substrate is prepared from by following raw material: abrasive material 65-75%, bonding agent 25-35%, wherein, at least one in white fused alumina abrasive material, single alundum abrasive material and rose grain selected by abrasive material, and bonding agent is by clay powder, feldspar powder and boron glass powder composition, and account for 24-32%, 36-45% and 30-35% of bonding agent weight respectively;
Manufacture method comprises the following steps:
(1) raw material prepare: with raw material by said components; .
(2) mix stages: after described abrasive material mixes, with sodium silicate solution, abrasive surface is evenly moistening, then add the bonding agent powder mixed, in adverse current batch mixer, mix 10-30 minute, cross 8-16# screen cloth;
(3) formative stage: adopt isostatic pressing process by compressing for Homogeneous phase mixing material together, pressure is 14-16MPa;
(4) drying stage: heated up by emery wheel blank dry, wherein room temperature is to 95-105 degree, and need heat up 3-5 hour, proceeds to 130-150 degree, and need heat up 3-5 hour, and in dry run, relative humidity is 10%-50%;
(5) stage is burnt till: burnt till in weakly reducing atmosphere by dried emery wheel blank, maximum sintering temperature is 1200-1400 degree, wherein, room temperature to 300 is spent, and need heat up 3-4 hour, 300 to 500 degree, need be heated up 3-4 hour, finally continues to be warming up to 1200-1400 degree, need 10-18 hour, then, naturally cool to room temperature and obtain emery wheel base substrate;
(6) Assembly Phase: by bonding, emery wheel base substrate and screen cloth matrix are combined, to obtain final product.
2. stainless steel according to claim 1 and titanium alloy grinding screen cloth matrix vitrified abrasive, is characterized in that: the granularity of described abrasive material is 24#.
3. stainless steel according to claim 1 and titanium alloy grinding screen cloth matrix vitrified abrasive, is characterized in that: described sodium silicate solution proportion is 0.8-1.4 g/cm
3, consumption is the 3-5% of abrasive material weight.
4. stainless steel according to claim 1 and titanium alloy grinding screen cloth matrix vitrified abrasive, is characterized in that: in described drying stage, and room temperature is to 95-105 degree and continue to be warming up in 130-150 degree two processes to be and at the uniform velocity heat up.
5. stainless steel according to claim 1 and titanium alloy grinding screen cloth matrix vitrified abrasive, it is characterized in that: described in burn till in the stage, be in each process that room temperature to 300 is spent, 300-500 degree and finally continuing is warming up to 1200-1400 degree and at the uniform velocity heat up.
6. stainless steel according to claim 1 and titanium alloy grinding screen cloth matrix vitrified abrasive, is characterized in that: described emery wheel base substrate and screen cloth matrix combination are for bond, and adhesive is epoxy resin.
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| CN201210557814.6A CN103042475B (en) | 2012-12-20 | 2012-12-20 | Stainless steel and titanium alloy screen cloth matrix ceramic grinding wheel for grinding |
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| CN201210557814.6A CN103042475B (en) | 2012-12-20 | 2012-12-20 | Stainless steel and titanium alloy screen cloth matrix ceramic grinding wheel for grinding |
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| CN103042475B true CN103042475B (en) | 2015-04-22 |
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| CN103600310B (en) * | 2013-11-01 | 2016-08-17 | 江苏苏北砂轮厂有限公司 | A kind of abrasive wheel for abrasion of steel ball formula |
| CN104070465A (en) * | 2014-06-27 | 2014-10-01 | 唐英 | Diamond grinding tool |
| CN110395973B (en) * | 2019-08-12 | 2022-08-23 | 山东星帝磨料磨具有限公司 | Ceramic abrasive |
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| CN85100566B (en) * | 1985-04-01 | 1988-03-02 | 南京工学院 | Formulum and technology of mixed-abrasive wheel for abrasing-cutting stainless steel |
| EP1332194B1 (en) * | 2000-10-06 | 2007-01-03 | 3M Innovative Properties Company | Ceramic aggregate particles |
| BR0211580A (en) * | 2001-08-02 | 2004-07-13 | 3M Innovative Properties Co | Methods for the manufacture of amorphous material, ceramics comprising glass, an article comprising glass, glass ceramics, a glass ceramic article and abrasive particles |
| US7258707B2 (en) * | 2003-02-05 | 2007-08-21 | 3M Innovative Properties Company | AI2O3-La2O3-Y2O3-MgO ceramics, and methods of making the same |
| CN101139172B (en) * | 2007-08-22 | 2010-11-03 | 北京玻钢院复合材料有限公司 | Glass fiber screen cloth immersing glue solution for grinding wheel reinforcement and initial rinsing method |
| CN101913122B (en) * | 2010-07-21 | 2011-12-21 | 安泰科技股份有限公司 | Method for preparing ceramic bond super-hard abrasive tool |
| CN101935219B (en) * | 2010-09-30 | 2012-09-26 | 福州双屹砂轮有限公司 | Efficient silicon carbide corundum rare earth ceramic composite grinding wheel and manufacture method thereof |
| CN102363578B (en) * | 2010-10-25 | 2013-06-19 | 江苏华东砂轮有限公司 | Ceramic binder for steel ball grinding wheel |
| CN102794715B (en) * | 2012-08-03 | 2015-07-15 | 河南工业大学 | Fiber-reinforced grinding wheel substrate and preparation method thereof |
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