CN103894940A - Ceramic brown corundum grinding wheel containing expanded perlite - Google Patents
Ceramic brown corundum grinding wheel containing expanded perlite Download PDFInfo
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- CN103894940A CN103894940A CN201410011125.4A CN201410011125A CN103894940A CN 103894940 A CN103894940 A CN 103894940A CN 201410011125 A CN201410011125 A CN 201410011125A CN 103894940 A CN103894940 A CN 103894940A
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Abstract
The invention relates to the technical field of grinding wheel manufacturing, in particular to a ceramic brown corundum grinding wheel containing expanded perlite and the production technique thereof. The grinding wheel is made from, by weight, 34-38 parts of white corundum grinding materials, 40-45 parts of brown corundum grinding materials, 2-3 parts of ceramic floating beads, 12-14 parts of cubic boron nitride grinding materials, 2-3 parts of nanoscale aluminium oxide, 1-2 parts of silicon dioxide, 3-4 parts of diboron trioxide, 1-2 part of expanded perlite, 2-3 parts of steel slag, 1-2 parts of zinc-aluminium spinel and 7-9 parts of auxiliaries. According to the ceramic brown corundum grinding wheel containing the expanded perlite, raw materials such as the ceramic floating beads, the nanoscale aluminium oxide and the expanded perlite are sintered to obtain a ceramic bond which is light, flexible, stable in performance, low in firing temperature and small in coefficient of thermal expansion, the rigidness, tenacity and heat dissipation performance of the brown corundum grinding wheel are improved, cracks are avoided during sintering, the rejection rate is reduced, and grinding performance is improved.
Description
Technical field
The present invention relates to emery wheel manufacturing technology field, be specifically related to a kind of ceramic corundum sand wheel and production technology thereof containing expanded perlite.
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 corundum sand wheel containing expanded perlite is provided, to improve grinding performance, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of ceramic corundum sand wheel containing expanded perlite, it is characterized in that, emery wheel of the present invention is made up of the raw material of following weight portion: white fused alumina abrasive material 34-38, brown corundum abrasive 40-45, pottery float pearl 2-3, cubic boron nitride abrasive materials 12-14, nanoscale alundum (Al2O3) 2-3, silica 1-2, diboron trioxide 3-4, expanded perlite 1-2, slag 2-3, gahnite 1-2, 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 DEG C and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
Described a kind of ceramic corundum sand wheel containing expanded perlite, its production technology is as follows:
(1) pottery is floated to pearl, nanoscale alundum (Al2O3), silica, diboron trioxide, expanded perlite, slag, gahnite mixing, while being heated to 1800-1900 DEG C, stir 20-30min, naturally cool to subsequently room temperature, be milled to after 200-300 order powder, add auxiliary agent, stir for subsequent use;
(2) white fused alumina abrasive material, brown corundum abrasive, cubic boron nitride abrasive materials are added in the material of step (1) gained, for subsequent use after fully mixing;
(3) mixed material (2) being obtained is sent in mould compressing, condition of molding: forcing press design temperature is 280-300 DEG C, pressurize 10-12min under 15-18MPa condition, and depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 320-350 DEG C in 20-25min, and insulation 5-7 hour, then be warming up to 1320-1350 DEG C by 6-8 DEG C/min is incubated taking-up after 10-12 hour, naturally cooling after and get final product.
The invention has the advantages that: utilize pottery to float the raw material sintering such as pearl, nanoscale alundum (Al2O3), silica, diboron trioxide, expanded perlite, slag, gahnite and made vitrified bond, this vitrified bond light weight is pliable and tough, stable chemical performance, refractoriness is low, thermal coefficient of expansion is little, can improve the appearance of corundum sand wheel crackle in sintering procedure, the rate of reducing the number of rejects and seconds, the more traditional corundum sand wheel of emery wheel of the present invention all obtains raising at hardness, toughness and heat dispersion, has effectively improved grinding performance.
Detailed description of the invention
Embodiment 1
The present embodiment emery wheel is made up of following weight portion raw material: white fused alumina abrasive material 36, brown corundum abrasive 45, pottery float pearl 3, cubic boron nitride abrasive materials 14, nanoscale alundum (Al2O3) 3, silica 2, diboron trioxide 4, expanded perlite 2, slag 3, gahnite 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 DEG C and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
Described a kind of ceramic corundum sand wheel containing expanded perlite, its production technology is as follows:
(1) pottery is floated to pearl, nanoscale alundum (Al2O3), silica, diboron trioxide, expanded perlite, slag, gahnite mixing, while being heated to 1900 DEG C, stir 20min, naturally cool to subsequently room temperature, be milled to after 300 order powders, add auxiliary agent, stir for subsequent use;
(2) white fused alumina abrasive material, brown corundum abrasive, cubic boron nitride abrasive materials are added in the material of step (1) gained, for subsequent use after fully mixing;
(3) mixed material (2) being obtained is sent in mould compressing, condition of molding: forcing press design temperature is 300 DEG C, pressurize 10min under 15MPa condition, and depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 350 DEG C in 25min, be incubated 5 hours, then is warming up to 1350 DEG C by 8 DEG C/min, is incubated taking-up after 10 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: white fused alumina abrasive material 36, brown corundum abrasive 45, pottery float pearl 2, cubic boron nitride abrasive materials 12, nanoscale alundum (Al2O3) 2, silica 1, diboron trioxide 3, expanded perlite 1, slag 2, gahnite 1, 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 DEG C and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
Described a kind of ceramic corundum sand wheel containing expanded perlite, its production technology is as follows:
(1) pottery is floated to pearl, nanoscale alundum (Al2O3), silica, diboron trioxide, expanded perlite, slag, gahnite mixing, while being heated to 1800 DEG C, stir 30min, naturally cool to subsequently room temperature, be milled to after 300 order powders, add auxiliary agent, stir for subsequent use;
(2) white fused alumina abrasive material, brown corundum abrasive, cubic boron nitride abrasive materials are added in the material of step (1) gained, for subsequent use after fully mixing;
(3) mixed material (2) being obtained is sent in mould compressing, condition of molding: forcing press design temperature is 280 DEG C, pressurize 12min under 18MPa condition, and depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 320 DEG C in 25min, be incubated 7 hours, then is warming up to 1320 DEG C by 8 DEG C/min, is incubated taking-up after 12 hours, naturally cooling after and get final product.
Claims (2)
1. the ceramic corundum sand wheel containing expanded perlite, it is characterized in that, this emery wheel is made up of the raw material of following weight portion: white fused alumina abrasive material 34-38, brown corundum abrasive 40-45, pottery float pearl 2-3, cubic boron nitride abrasive materials 12-14, nanoscale alundum (Al2O3) 2-3, silica 1-2, diboron trioxide 3-4, expanded perlite 1-2, slag 2-3, gahnite 1-2, 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 DEG C and calcine 1-2 hour, after cooling, be ground into 150-200 order powder, mix with other residual components, to obtain final product.
2. a kind of ceramic corundum sand wheel containing expanded perlite as claimed in claim 1, its technique is as follows:
(1) pottery is floated to pearl, nanoscale alundum (Al2O3), silica, diboron trioxide, expanded perlite, slag, gahnite mixing, while being heated to 1800-1900 DEG C, stir 20-30min, naturally cool to subsequently room temperature, be milled to after 200-300 order powder, add auxiliary agent, stir for subsequent use;
(2) white fused alumina abrasive material, brown corundum abrasive, cubic boron nitride abrasive materials are added in the material of step (1) gained, for subsequent use after fully mixing;
(3) mixed material (2) being obtained is sent in mould compressing, condition of molding: forcing press design temperature is 280-300 DEG C, pressurize 10-12min under 15-18MPa condition, and depanning obtains idiosome;
(4) idiosome is carried out to sintering processes, idiosome is first warming up to 320-350 DEG C in 20-25min, and insulation 5-7 hour, then be warming up to 1320-1350 DEG C by 6-8 DEG C/min is incubated taking-up after 10-12 hour, naturally cooling after and get final product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410011125.4A CN103894940A (en) | 2014-01-10 | 2014-01-10 | Ceramic brown corundum grinding wheel containing expanded perlite |
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| CN201410011125.4A CN103894940A (en) | 2014-01-10 | 2014-01-10 | Ceramic brown corundum grinding wheel containing expanded perlite |
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| CN201410011125.4A Pending CN103894940A (en) | 2014-01-10 | 2014-01-10 | Ceramic brown corundum grinding wheel containing expanded perlite |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252438A (en) * | 2015-10-09 | 2016-01-20 | 芜湖市鸿坤汽车零部件有限公司 | Nano resin grinding wheel and preparation method thereof |
| CN105479300A (en) * | 2015-11-20 | 2016-04-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for machining deep narrow arc-shaped groove of guide blade of nickel-base superalloy turbine guide vanes |
| CN109015442A (en) * | 2018-10-05 | 2018-12-18 | 萍乡市三力科技有限责任公司 | A kind of preparation method of the multiple elements design grinding tool made of waste and old abrasive material |
| CN109822466A (en) * | 2017-05-27 | 2019-05-31 | 江苏赛扬精工科技有限责任公司 | A kind of high-intensity and high-tenacity wheel ceramic bonding agent and its application |
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| SU1046078A1 (en) * | 1982-01-22 | 1983-10-07 | Предприятие П/Я А-1848 | Binder for making abrasive tool |
| CN102814748A (en) * | 2011-06-09 | 2012-12-12 | 沈阳中科超硬磨具磨削研究所 | High-speed CBN (cubic boron nitride) ceramic grinding wheel for high-speed grinding of profile grinder, preparation method and application |
| 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 |
| RU2494853C1 (en) * | 2012-05-17 | 2013-10-10 | Открытое акционерное общество "Волжский абразивный завод" | Mass for production of abrasive wheel |
| CN103465185A (en) * | 2013-09-13 | 2013-12-25 | 常熟市巨力砂轮有限责任公司 | Cubic boron nitride (CBN) grinding wheel preparing method |
-
2014
- 2014-01-10 CN CN201410011125.4A patent/CN103894940A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1046078A1 (en) * | 1982-01-22 | 1983-10-07 | Предприятие П/Я А-1848 | Binder for making abrasive tool |
| CN102814748A (en) * | 2011-06-09 | 2012-12-12 | 沈阳中科超硬磨具磨削研究所 | High-speed CBN (cubic boron nitride) ceramic grinding wheel for high-speed grinding of profile grinder, preparation method and application |
| 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 |
| RU2494853C1 (en) * | 2012-05-17 | 2013-10-10 | Открытое акционерное общество "Волжский абразивный завод" | Mass for production of abrasive wheel |
| CN103465185A (en) * | 2013-09-13 | 2013-12-25 | 常熟市巨力砂轮有限责任公司 | Cubic boron nitride (CBN) grinding wheel preparing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252438A (en) * | 2015-10-09 | 2016-01-20 | 芜湖市鸿坤汽车零部件有限公司 | Nano resin grinding wheel and preparation method thereof |
| CN105479300A (en) * | 2015-11-20 | 2016-04-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for machining deep narrow arc-shaped groove of guide blade of nickel-base superalloy turbine guide vanes |
| CN109822466A (en) * | 2017-05-27 | 2019-05-31 | 江苏赛扬精工科技有限责任公司 | A kind of high-intensity and high-tenacity wheel ceramic bonding agent and its application |
| CN109822466B (en) * | 2017-05-27 | 2020-06-19 | 江苏赛扬精工科技有限责任公司 | High-strength high-toughness grinding wheel ceramic bond and application thereof |
| CN109015442A (en) * | 2018-10-05 | 2018-12-18 | 萍乡市三力科技有限责任公司 | A kind of preparation method of the multiple elements design grinding tool made of waste and old abrasive material |
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Application publication date: 20140702 |
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