CN103770020A - Ceramic praseodymium neodymium corundum grinding wheel - Google Patents
Ceramic praseodymium neodymium corundum grinding wheel Download PDFInfo
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- CN103770020A CN103770020A CN201410010446.2A CN201410010446A CN103770020A CN 103770020 A CN103770020 A CN 103770020A CN 201410010446 A CN201410010446 A CN 201410010446A CN 103770020 A CN103770020 A CN 103770020A
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Abstract
The invention relates to the technical field of grinding wheel manufacturing, in particular to a ceramic praseodymium neodymium corundum grinding wheel and a production technology thereof. The grinding wheel is made from the following raw materials of, by weight, 40-45 parts of praseodymium neodymium corundum abrasive materials, 32-36 parts of chrome corundum abrasive materials, 5-7 parts of silicon dioxide, 3-4 parts of borax, 2-3 parts of lithium hydroxide, 1-2 parts of zinc oxide, 1-2 parts of sodium tripolyphosphate, 1-2 parts of steel fibers, 3-4 parts of aluminum sulfate, 2-3 parts of sodium metasilicate and 7-9 parts of auxiliaries. According to grinding wheel, a ceramic bonding agent which is stable in performance is formed by stirring and sintering the raw materials such as the silicon dioxide, the borax and the lithium hydroxide, the aqueous solution of the raw materials such as the sodium tripolyphosphate, the aluminum sulfate and the sodium metasilicate is mixed with the ceramic bonding agent so that the ceramic bonding agent has good dispersity and bonding performance, therefore, the holding strength between the ceramic bonding agent and the abrasive materials is improved, the strength and the abrasion resistance of the grinding wheel are enhanced, and the service life is longer.
Description
Technical field
The present invention relates to emery wheel manufacturing technology field, be specifically related to a kind of ceramic Pr-Nb fused alumina emery 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 ceramic Pr-Nb fused alumina emery wheel is provided, make it have good intensity and anti-wear performance, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of ceramic Pr-Nb fused alumina emery wheel, it is characterized in that, emery wheel of the present invention is made up of the raw material of following weight portion: Pr-Nb fused alumina abrasive material 40-45, rose grain 32-36, silica 5-7, borax 3-4, lithium hydroxide 2-3, zinc oxide 1-2, sodium phosphate trimer 1-2, steel fibre 1-2, aluminum sulfate 3-4, flower bulb alkali 2-3, auxiliary agent 7-9.
Described auxiliary agent is made up of the raw material of following weight portion: silicon carbide abrasive 10-12, iron powder 5-6, titanium dioxide 1-2, diatomite in powder 2-3, kaolin powder 5-6, aluminum nitride powder 1-2, Silane coupling agent KH550 2-3, dimethicone 1-2, peanut hull meal 5-7; Preparation method mixes iron powder, titanium dioxide, kaolin powder, aluminum nitride powder, grind to form 200-300 order powder, then add Silane coupling agent KH550 to mix, under 10-15Mpa, be pressed into blank, then, send at 1020-1050 ℃ and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
Described one pottery Pr-Nb fused alumina emery wheel, its production technology is as follows:
(1) silica, borax, lithium hydroxide, zinc oxide, steel fibre are mixed, be heated to 1300-1350 ℃ and stir 20-30min, after stirring finishes, naturally cool to room temperature, be milled to 200-300 order powder, add auxiliary agent, stir for subsequent use;
(2) sodium phosphate trimer, aluminum sulfate, flower bulb alkali are mixed, the water that to add with compound weight ratio be 1:3-4, after being stirred well to compound and dissolving completely, adds step (1) to obtain material, stirs 20-30min;
(3) after Pr-Nb fused alumina abrasive material, rose grain are fully mixed with the material of step (2), send in mould compressing, condition of molding: forcing press design temperature is 100-110 ℃, pressurize 12-15min under 12-15MPa condition, depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 330-350 ℃ in 20-25min, and insulation 5-6 hour, then be warming up to 1400-1450 ℃ by 10-12 ℃/min is incubated taking-up after 8-12 hour, naturally cooling after and get final product.
The invention has the advantages that: adopt the raw materials such as silica, borax, lithium hydroxide, zinc oxide to stir sintering and made the vitrified bond of stable performance, and utilize the aqueous solution of the raw materials such as sodium phosphate trimer, aluminum sulfate, flower bulb alkali to mix with vitrified bond, give vitrified bond good dispersiveness and caking property, improve the hold of vitrified bond and abrasive material, promote intensity and the anti-wear performance of emery wheel, made emery wheel longer service life of the present invention.
The specific embodiment
Embodiment 1
The present embodiment emery wheel is made up of following weight portion raw material: Pr-Nb fused alumina abrasive material 45, rose grain 35, silica 6, borax 4, lithium hydroxide 3, zinc oxide 2, sodium phosphate trimer 2, steel fibre 2, aluminum sulfate 4, flower bulb alkali 3, auxiliary agent 8.
Auxiliary agent is made up of the raw material of following weight portion: silicon carbide abrasive 10, iron powder 5, titanium dioxide 2, diatomite in powder 2, kaolin powder 5, aluminum nitride powder 1, Silane coupling agent KH550 3, dimethicone 1, peanut hull meal 5; Preparation method mixes iron powder, titanium dioxide, kaolin powder, aluminum nitride powder, grind to form 200-300 order powder, then add Silane coupling agent KH550 to mix, under 10-15Mpa, be pressed into blank, then, send at 1020-1050 ℃ and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
Described one pottery Pr-Nb fused alumina emery wheel, its production technology is as follows:
(1) silica, borax, lithium hydroxide, zinc oxide, steel fibre are mixed, be heated to 1350 ℃ and stir 20min, after stirring finishes, naturally cool to room temperature, be milled to 300 order powders, add auxiliary agent, stir for subsequent use;
(2) sodium phosphate trimer, aluminum sulfate, flower bulb alkali are mixed, the water that to add with compound weight ratio be 1:3, after being stirred well to compound and dissolving completely, adds step (1) to obtain material, stirs 20min;
(3) after Pr-Nb fused alumina abrasive material, rose grain are fully mixed with the material of step (2), send in mould compressing, condition of molding: forcing press design temperature is 110 ℃, pressurize 12min under 15MPa condition, depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 350 ℃ in 25min, be incubated 5 hours, then is warming up to 1450 ℃ by 12 ℃/min, is incubated taking-up after 8 hours, naturally cooling after and get final product.
Performance test:
Revolving strength >=35 meter per second; Static balance K coefficient≤0.25;
Grinding Steel-bonded Cemented Carbide material removal rate can reach 2.6mm
3/ more than (mm .s);
Hardness L level.
Embodiment 2
The present embodiment emery wheel is made up of following weight portion raw material: Pr-Nb fused alumina abrasive material 45, rose grain 35, silica 5, borax 3, lithium hydroxide 2, zinc oxide 1, sodium phosphate trimer 1, steel fibre 1, aluminum sulfate 3, flower bulb alkali 2, auxiliary agent 8.
Auxiliary agent is made up of the raw material of following weight portion: silicon carbide abrasive 10, iron powder 5, titanium dioxide 2, diatomite in powder 2, kaolin powder 5, aluminum nitride powder 1, Silane coupling agent KH550 3, dimethicone 1, peanut hull meal 5; Preparation method mixes iron powder, titanium dioxide, kaolin powder, aluminum nitride powder, grind to form 200-300 order powder, then add Silane coupling agent KH550 to mix, under 10-15Mpa, be pressed into blank, then, send at 1020-1050 ℃ and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
Described one pottery Pr-Nb fused alumina emery wheel, its production technology is as follows:
(1) silica, borax, lithium hydroxide, zinc oxide, steel fibre are mixed, be heated to 1300 ℃ and stir 30min, after stirring finishes, naturally cool to room temperature, be milled to 300 order powders, add auxiliary agent, stir for subsequent use;
(2) sodium phosphate trimer, aluminum sulfate, flower bulb alkali are mixed, the water that to add with compound weight ratio be 1:4, after being stirred well to compound and dissolving completely, adds step (1) to obtain material, stirs 30min;
(3) after Pr-Nb fused alumina abrasive material, rose grain are fully mixed with the material of step (2), send in mould compressing, condition of molding: forcing press design temperature is 110 ℃, pressurize 15min under 12MPa condition, depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 350 ℃ in 25min, be incubated 6 hours, then is warming up to 1400 ℃ by 12 ℃/min, is incubated taking-up after 12 hours, naturally cooling after and get final product.
Claims (2)
1. a ceramic Pr-Nb fused alumina emery wheel, it is characterized in that, this emery wheel is made up of the raw material of following weight portion: Pr-Nb fused alumina abrasive material 40-45, rose grain 32-36, silica 5-7, borax 3-4, lithium hydroxide 2-3, zinc oxide 1-2, sodium phosphate trimer 1-2, steel fibre 1-2, aluminum sulfate 3-4, flower bulb alkali 2-3, auxiliary agent 7-9;
Described auxiliary agent is made up of the raw material of following weight portion: silicon carbide abrasive 10-12, iron powder 5-6, titanium dioxide 1-2, diatomite in powder 2-3, kaolin powder 5-6, aluminum nitride powder 1-2, Silane coupling agent KH550 2-3, dimethicone 1-2, peanut hull meal 5-7; Preparation method mixes iron powder, titanium dioxide, kaolin powder, aluminum nitride powder, grind to form 200-300 order powder, then add Silane coupling agent KH550 to mix, under 10-15Mpa, be pressed into blank, then, send at 1020-1050 ℃ and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
2. the ceramic Pr-Nb fused alumina emery wheel of one as claimed in claim 1, its technique is as follows:
(1) silica, borax, lithium hydroxide, zinc oxide, steel fibre are mixed, be heated to 1300-1350 ℃ and stir 20-30min, after stirring finishes, naturally cool to room temperature, be milled to 200-300 order powder, add auxiliary agent, stir for subsequent use;
(2) sodium phosphate trimer, aluminum sulfate, flower bulb alkali are mixed, the water that to add with compound weight ratio be 1:3-4, after being stirred well to compound and dissolving completely, adds step (1) to obtain material, stirs 20-30min;
(3) after Pr-Nb fused alumina abrasive material, rose grain are fully mixed with the material of step (2), send in mould compressing, condition of molding: forcing press design temperature is 100-110 ℃, pressurize 12-15min under 12-15MPa condition, depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 330-350 ℃ in 20-25min, and insulation 5-6 hour, then be warming up to 1400-1450 ℃ by 10-12 ℃/min is incubated taking-up after 8-12 hour, naturally cooling after and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410010446.2A CN103770020A (en) | 2014-01-10 | 2014-01-10 | Ceramic praseodymium neodymium corundum grinding wheel |
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| CN201410010446.2A CN103770020A (en) | 2014-01-10 | 2014-01-10 | Ceramic praseodymium neodymium corundum grinding wheel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415209A (en) * | 2015-11-09 | 2016-03-23 | 无锡市锡山区仁景模具厂 | Novel grinding wheel for cutting |
| WO2018081044A1 (en) * | 2016-10-25 | 2018-05-03 | 3M Innovative Properties Company | Magnetizable abrasive particle and method of making the same |
| CN108098569A (en) * | 2017-11-29 | 2018-06-01 | 浙江工业大学 | A kind of polishing sapphire wafer includes neodymium compound mild abrasives fixation grinding tool and preparation method thereof |
| CN118125807A (en) * | 2024-05-08 | 2024-06-04 | 兴化市东昌合金钢有限公司 | Ceramic core for preparing impeller with flow passage smaller than 4mm and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1108303A (en) * | 1964-03-04 | 1968-04-03 | Tomohiro Horie | Porous abrasive and process for producing the same |
| CN201044950Y (en) * | 2007-04-27 | 2008-04-09 | 上海树脂砂轮厂 | Resin abrasive cut-off wheel |
| CN102554811A (en) * | 2010-12-31 | 2012-07-11 | 东莞市常晋凹版模具有限公司 | Method for preparing grinding wheel according to wet method |
| CN103395011A (en) * | 2013-07-30 | 2013-11-20 | 华南理工大学 | Polyvinyl alcohol-polyurethane elastic buffing wheel and preparation method thereof |
-
2014
- 2014-01-10 CN CN201410010446.2A patent/CN103770020A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1108303A (en) * | 1964-03-04 | 1968-04-03 | Tomohiro Horie | Porous abrasive and process for producing the same |
| CN201044950Y (en) * | 2007-04-27 | 2008-04-09 | 上海树脂砂轮厂 | Resin abrasive cut-off wheel |
| CN102554811A (en) * | 2010-12-31 | 2012-07-11 | 东莞市常晋凹版模具有限公司 | Method for preparing grinding wheel according to wet method |
| CN103395011A (en) * | 2013-07-30 | 2013-11-20 | 华南理工大学 | Polyvinyl alcohol-polyurethane elastic buffing wheel and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415209A (en) * | 2015-11-09 | 2016-03-23 | 无锡市锡山区仁景模具厂 | Novel grinding wheel for cutting |
| WO2018081044A1 (en) * | 2016-10-25 | 2018-05-03 | 3M Innovative Properties Company | Magnetizable abrasive particle and method of making the same |
| CN109890565A (en) * | 2016-10-25 | 2019-06-14 | 3M创新有限公司 | Magnetisable abrasive grain and preparation method thereof |
| US11597860B2 (en) | 2016-10-25 | 2023-03-07 | 3M Innovative Properties Company | Magnetizable abrasive particle and method of making the same |
| CN108098569A (en) * | 2017-11-29 | 2018-06-01 | 浙江工业大学 | A kind of polishing sapphire wafer includes neodymium compound mild abrasives fixation grinding tool and preparation method thereof |
| CN118125807A (en) * | 2024-05-08 | 2024-06-04 | 兴化市东昌合金钢有限公司 | Ceramic core for preparing impeller with flow passage smaller than 4mm and preparation method thereof |
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