CN103831739A - High-temperature-resistant ceramic silicon carbide grinding wheel - Google Patents
High-temperature-resistant ceramic silicon carbide grinding wheel Download PDFInfo
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- CN103831739A CN103831739A CN201410048152.9A CN201410048152A CN103831739A CN 103831739 A CN103831739 A CN 103831739A CN 201410048152 A CN201410048152 A CN 201410048152A CN 103831739 A CN103831739 A CN 103831739A
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Abstract
The invention relates to the technical field of grinding wheel manufacture, in particular to a high-temperature-resistant ceramic silicon carbide grinding wheel and a production process of the high-temperature-resistant ceramic silicon carbide grinding wheel. The high-temperature-resistant ceramic silicon carbide grinding wheel is made of the following raw materials which include, by weight, 42 parts to 45 parts of silicon carbide abrasive materials, 34 parts to 37 parts of brown aluminum oxide abrasive materials, 3 parts to 4 parts of magnesium stearate, 2 parts to 3 parts of magnesium oxide, 5 parts to 7 parts of clay powder, 2 parts to 3 parts of ammonium polyphosphate, 1 part to 2 parts of zinc borate and 7 parts to 9 parts of auxiliaries. According to the grinding wheel, ceramic binding agents are made of the magnesium stearate, the magnesium oxide, the clay powder, the ammonium polyphosphate, the zinc borate and other raw materials at a high temperature, the ceramic binding agents not only are stable in chemical performance, low in sintering temperature and excellent in high temperature resistance performance, but also has self-lubrication performance, and is beneficial to grinding wheel forming; the strength of the prepared silicon carbine grinding wheel is improved, the prepared silicon carbine grinding wheel resists to high temperature abrasion and can be easily formed and modified, the strength is improved, and the traditional silicon carbide grinding wheel is high in grinding efficiency and more durable in use.
Description
Technical field
The present invention relates to emery wheel manufacturing technology field, be specifically related to a kind of refractory ceramics silicon carbide grinding wheel and production technology thereof.
Background technology
Emery wheel is the scope of application the most a kind of instrument in grinding tool, mainly to the profile of metal or non-metal workpiece roughly grind, the processing such as half fine grinding, fine grinding and fluting, cut-out, in use in High Rotation Speed state, need to bear larger impulsive force, therefore the intensity to emery wheel, impact resistance, heat resistance and anti-corrosion property energy etc. all have higher requirement, emery wheel mainly by abrasive material and bonding agent through pressed compact, dry, roasting is made, the kind of abrasive material is varied, the common corundum that mainly contains, carborundum, diamond and cubic boron nitride etc., these abrasive materials have good hardness and certain toughness, and its intensity, impact resistance, heat resistance and anti-corrosion property can all depend on bonding agent, common bonding agent is resinoid bond, vitrified bond, gum cement and metallic bond, each bonding agent all has different characteristics, in actual applications should be according to emery wheel workpiece service condition, select suitable bonding agent, to strengthen the abrasive material firm intensity that bonds, improve grinding tool intensity, improve grinding performance, give the serviceability that emery wheel is good.
Summary of the invention
The object of the invention is to, a kind of refractory ceramics silicon carbide grinding wheel is provided, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of refractory ceramics silicon carbide grinding wheel, it is characterized in that, emery wheel of the present invention is made up of the raw material of following weight portion: silicon carbide abrasive 42-45, brown corundum abrasive 34-37, dolomol 3-4, magnesia 2-3, potter's clay powder 5-7, APP 2-3, Firebrake ZB 1-2, auxiliary agent 7-9.
Described auxiliary agent is made up of the raw material of following weight portion: ice crystal 15-20, calcium aluminate 6-8, sodium lignin sulfonate 2-3, spent pulping liquor 6-8, alumina silicate 3-4, iron powder 10-12, manganese powder 2-3, bentonite 22-25, clay powder 25-28, chalk 12-15, preparation method is as follows: first by ice crystal, calcium aluminate, alumina silicate, bentonite, clay powder, after chalk fully mixes, at 2200-2300 ℃, be incubated 2-3h, after naturally cooling, be milled to 200-300 order powder, again sodium lignin sulfonate is mixed with appropriate water, after being stirred to sodium lignin sulfonate and dissolving completely, add above-mentioned powder and other residual components, ball milling 3-4h, dry, obtain.
The particle diameter of described abrasive material is 80-200 order.
Described a kind of refractory ceramics silicon carbide grinding wheel, its production technology is as follows:
(1) dolomol, magnesia, potter's clay powder, APP, Firebrake ZB are mixed, compound is first heated to 200-220 ℃, stirs 10-15min, naturally cools to subsequently room temperature, is milled to after 200-300 order powder, adds auxiliary agent, stirs for subsequent use;
(2) send in mould after other leftover materials are fully mixed with the material of step (1) gained compressing, condition of molding: mould design temperature is 250-300 ℃, pressurize 3-4min under 35-40MPa condition, depanning obtains idiosome;
(3) idiosome is carried out to sintering processes, idiosome is first warming up to 500-520 ℃ in 10-15min, and insulation 4-6 hour, then be warming up to 1320-1350 ℃ by 10-15 ℃/min is incubated taking-up after 12-14 hour, naturally cooling after and get final product.
The invention has the advantages that: adopt the raw material high temperature such as dolomol, magnesia, potter's clay powder, APP, Firebrake ZB to make vitrified bond, not only stable chemical performance of this vitrified bond, sintering temperature is low, and resistance to elevated temperatures is good, also has self lubricity, be beneficial to abrasive wheel forming, silicon carbide grinding wheel intensity prepared by the present invention improves, and high temperature wear resistant is easy to moulding finishing, this traditional silicon carbide grinding wheel grinding efficiency is high, more durable in use.
The specific embodiment
Embodiment 1
The present embodiment emery wheel is made up of following weight portion raw material: silicon carbide abrasive 45, brown corundum abrasive 36, dolomol 3, magnesia 3, potter's clay powder 5, APP 3, Firebrake ZB 1, auxiliary agent 7.
Auxiliary agent is made up of the raw material of following weight portion: ice crystal 20, calcium aluminate 8, sodium lignin sulfonate 2, spent pulping liquor 6, alumina silicate 4, iron powder 10, manganese powder 3, bentonite 25, clay powder 25, chalk 15, preparation method is as follows: first by ice crystal, calcium aluminate, alumina silicate, bentonite, clay powder, after chalk fully mixes, at 2300 ℃, be incubated 2h, after naturally cooling, be milled to 300 order powders, again sodium lignin sulfonate is mixed with appropriate water, after being stirred to sodium lignin sulfonate and dissolving completely, add above-mentioned powder and other residual components, ball milling 3h, dry, obtain.
The particle diameter of described abrasive material is 80 orders.
Described a kind of refractory ceramics silicon carbide grinding wheel, its production technology is as follows:
(1) dolomol, magnesia, potter's clay powder, APP, Firebrake ZB are mixed, compound is first heated to 220 ℃, stirs 10min, naturally cools to subsequently room temperature, is milled to after 300 order powders, adds auxiliary agent, stirs for subsequent use;
(2) send in mould after other leftover materials are fully mixed with the material of step (1) gained compressing, condition of molding: mould design temperature is 300 ℃, pressurize 4min under 35MPa condition, depanning obtains idiosome;
(3) idiosome is carried out to sintering processes, idiosome is first warming up to 520 ℃ in 15min, be incubated 4 hours, then is warming up to 1350 ℃ by 15 ℃/min, is incubated taking-up after 12 hours, naturally cooling after and get final product.
Embodiment 2
The present embodiment emery wheel is made up of following weight portion raw material: silicon carbide abrasive 45, brown corundum abrasive 34, dolomol 4, magnesia 2, potter's clay powder 7, APP 2, Firebrake ZB 2, auxiliary agent 9.
Auxiliary agent is made up of the raw material of following weight portion: ice crystal 15, calcium aluminate 6, sodium lignin sulfonate 3, spent pulping liquor 8, alumina silicate 3, iron powder 12, manganese powder 2, bentonite 22, clay powder 28, chalk 12, preparation method is as follows: first by ice crystal, calcium aluminate, alumina silicate, bentonite, clay powder, after chalk fully mixes, at 2200 ℃, be incubated 3h, after naturally cooling, be milled to 200 order powders, again sodium lignin sulfonate is mixed with appropriate water, after being stirred to sodium lignin sulfonate and dissolving completely, add above-mentioned powder and other residual components, ball milling 4h, dry, obtain.
The particle diameter of described abrasive material is 200 orders.
Described a kind of refractory ceramics silicon carbide grinding wheel, its production technology is as follows:
(1) dolomol, magnesia, potter's clay powder, APP, Firebrake ZB are mixed, compound is first heated to 200 ℃, stirs 15min, naturally cools to subsequently room temperature, is milled to after 300 order powders, adds auxiliary agent, stirs for subsequent use;
(2) send in mould after other leftover materials are fully mixed with the material of step (1) gained compressing, condition of molding: mould design temperature is 250 ℃, pressurize 3min under 40MPa condition, depanning obtains idiosome;
(3) idiosome is carried out to sintering processes, idiosome is first warming up to 500 ℃ in 10min, be incubated 6 hours, then is warming up to 1320 ℃ by 10 ℃/min, is incubated taking-up after 14 hours, naturally cooling after and get final product.
It is as follows that above-described embodiment emery wheel is tested the technical indicator obtaining:
The performance test of emery wheel is all followed relevant criterion and is carried out, and in test, being ground material is steel alloy, and grinding method is transverse grinding, emery wheel peripheral speed: 25m/s, the speed of table: 0.05m/s, grinding depth: 0.025mm.Hardness, the grinding performance etc. of the more common silicon carbide grinding wheel of emery wheel prepared by the present invention all obtains raising, and grinding ratio improves 18-22%, and the porosity is higher, more heatproof, and the currying work interval extends 3-5 doubly, extends 5-8 service life doubly.
Claims (3)
1. a refractory ceramics silicon carbide grinding wheel, it is characterized in that, this emery wheel is made up of the raw material of following weight portion: silicon carbide abrasive 42-45, brown corundum abrasive 34-37, dolomol 3-4, magnesia 2-3, potter's clay powder 5-7, APP 2-3, Firebrake ZB 1-2, auxiliary agent 7-9;
Described auxiliary agent is made up of the raw material of following weight portion: ice crystal 15-20, calcium aluminate 6-8, sodium lignin sulfonate 2-3, spent pulping liquor 6-8, alumina silicate 3-4, iron powder 10-12, manganese powder 2-3, bentonite 22-25, clay powder 25-28, chalk 12-15, preparation method is as follows: first by ice crystal, calcium aluminate, alumina silicate, bentonite, clay powder, after chalk fully mixes, at 2200-2300 ℃, be incubated 2-3h, after naturally cooling, be milled to 200-300 order powder, again sodium lignin sulfonate is mixed with appropriate water, after being stirred to sodium lignin sulfonate and dissolving completely, add above-mentioned powder and other residual components, ball milling 3-4h, dry, obtain.
2. a kind of refractory ceramics silicon carbide grinding wheel as claimed in claim 1, is characterized in that, the particle diameter of described abrasive material is 80-200 order.
3. a kind of refractory ceramics silicon carbide grinding wheel as claimed in claim 1, its technique is as follows:
(1) dolomol, magnesia, potter's clay powder, APP, Firebrake ZB are mixed, compound is first heated to 200-220 ℃, stirs 10-15min, naturally cools to subsequently room temperature, is milled to after 200-300 order powder, adds auxiliary agent, stirs for subsequent use;
(2) send in mould after other leftover materials are fully mixed with the material of step (1) gained compressing, condition of molding: mould design temperature is 250-300 ℃, pressurize 3-4min under 35-40MPa condition, depanning obtains idiosome;
(3) idiosome is carried out to sintering processes, idiosome is first warming up to 500-520 ℃ in 10-15min, and insulation 4-6 hour, then be warming up to 1320-1350 ℃ by 10-15 ℃/min is incubated taking-up after 12-14 hour, naturally cooling after and get final product.
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| CN201410048152.9A CN103831739A (en) | 2014-02-11 | 2014-02-11 | High-temperature-resistant ceramic silicon carbide grinding wheel |
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| CN201410048152.9A CN103831739A (en) | 2014-02-11 | 2014-02-11 | High-temperature-resistant ceramic silicon carbide grinding wheel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402445A (en) * | 2014-10-27 | 2015-03-11 | 安徽锐视光电技术有限公司 | High strength silicon carbide based ceramic nozzle and making method thereof |
| CN104440608A (en) * | 2014-11-17 | 2015-03-25 | 白鸽集团有限责任公司 | Light-stacking compound abrasive material and preparation method thereof |
| CN104526588A (en) * | 2014-12-23 | 2015-04-22 | 常熟市巨力砂轮有限责任公司 | Method for manufacturing sheet wheel |
| CN104526576A (en) * | 2014-12-04 | 2015-04-22 | 中国铁道科学研究院 | Composition used for manufacturing main track steel rail grinding wheel and preparation method and application thereof |
| CN110395973A (en) * | 2019-08-12 | 2019-11-01 | 江苏耐锐特磨料磨具股份有限公司 | A kind of ceramic abrasive |
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| CN1292742A (en) * | 1998-05-08 | 2001-04-25 | 诺顿公司 | Abrasive grinding tools with hydrated and nonhalogenated inorganic grinding aids |
| CN101200053A (en) * | 2006-12-13 | 2008-06-18 | 广东奔朗超硬材料制品有限公司 | Abrasive tool of epoxy resin combined with compounded abrasive |
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| CN102815946A (en) * | 2011-06-09 | 2012-12-12 | 沈阳中科超硬磨具磨削研究所 | Cubic boron nitride (CBN) ceramic high speed grinding wheel and preparation method and application |
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| SU1641599A1 (en) * | 1988-05-23 | 1991-04-15 | Институт сверхтвердых материалов АН УССР | Glass-ceramic binder for abrasive tools |
| CN1103289A (en) * | 1993-07-01 | 1995-06-07 | 欧罗赛铁克股份有限公司 | Opioid formulations having extended controlled release |
| CN1292742A (en) * | 1998-05-08 | 2001-04-25 | 诺顿公司 | Abrasive grinding tools with hydrated and nonhalogenated inorganic grinding aids |
| CN101200053A (en) * | 2006-12-13 | 2008-06-18 | 广东奔朗超硬材料制品有限公司 | Abrasive tool of epoxy resin combined with compounded abrasive |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402445A (en) * | 2014-10-27 | 2015-03-11 | 安徽锐视光电技术有限公司 | High strength silicon carbide based ceramic nozzle and making method thereof |
| CN104440608A (en) * | 2014-11-17 | 2015-03-25 | 白鸽集团有限责任公司 | Light-stacking compound abrasive material and preparation method thereof |
| CN104526576A (en) * | 2014-12-04 | 2015-04-22 | 中国铁道科学研究院 | Composition used for manufacturing main track steel rail grinding wheel and preparation method and application thereof |
| CN104526576B (en) * | 2014-12-04 | 2017-03-29 | 中国铁道科学研究院 | A kind of composition for manufacturing main track steel rail grinding emery wheel and its production and use |
| CN104526588A (en) * | 2014-12-23 | 2015-04-22 | 常熟市巨力砂轮有限责任公司 | Method for manufacturing sheet wheel |
| CN110395973A (en) * | 2019-08-12 | 2019-11-01 | 江苏耐锐特磨料磨具股份有限公司 | A kind of ceramic abrasive |
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Application publication date: 20140604 |