CN106002653A - Anti-wear and high-hardness modified resin grinding wheel and preparation method thereof - Google Patents
Anti-wear and high-hardness modified resin grinding wheel and preparation method thereof Download PDFInfo
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- CN106002653A CN106002653A CN201610372905.0A CN201610372905A CN106002653A CN 106002653 A CN106002653 A CN 106002653A CN 201610372905 A CN201610372905 A CN 201610372905A CN 106002653 A CN106002653 A CN 106002653A
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- fused alumina
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses an anti-wear and high-hardness modified resin grinding wheel and a preparation method thereof. The anti-wear and high-hardness modified resin grinding wheel is prepared from dodecyl siloxane, a silane coupling agent, white fused alumina, fused alumina zirconia, a formaldehyde solution, silicon carbide, phenol, barium stearate, epoxy resin liquid, polypropylene glycol, hexamethylenetetramine, barite and polytetrafluoroethylene resin. According to the anti-wear and high-hardness modified resin grinding wheel and the preparation method thereof, the modification is carried out by adopting nano ceramic, silicone resin, the fused alumina zirconia and the like; the hardness is high; the compactness is good; the revolving strength is high; the anti-wear and high-hardness modified resin grinding wheel is resistant to a high temperature and resistant to ablation; the contact between an abrasive material and oxygen can be effectively reduced; the antioxygenic property of a finished product is improved; a gas volume generated in a sintering process can be also decreased; and the porosity of the interior of a finished-product grinding wheel is decreased.
Description
Technical field
The present invention relates to emery wheel, modified resin wheel of a kind of wear-resistant high rigidity and preparation method thereof.
Background technology
Along with automobile, the improving constantly of aircraft uniform velocity, the requirement to the friction material such as transmission, braking is more strict, and base
Body is always developed and the emphasis of research as the important component part of friction material.Epoxy resin liquid, epoxy resin, butylbenzene
Rubber and politef are all used as the matrix of friction material, but simple epoxy resin, butadiene-styrene rubber and polytetrafluoro
Ethylene limits its application in terms of friction material due to poor anti-wear performance, heat resistance and bond performance.Asphalt mixtures modified by epoxy resin
Fat liquid is in the advantage of the aspects such as heat resistance, bond performance, mechanical property, moulding processability and cost so that it is become multiple
Close friction material the most frequently used adhesive matrix material.But, pure epoxy resin liquid exists that fragility is big, poor toughness, hardness high,
The defects such as when thermostability is not enough, intensity is low and uses noise is big, extreme influence Properties of Friction Materials, accordingly, it would be desirable to existing
Resin material emery wheel improve.
Summary of the invention
It is an object of the invention to provide modified resin wheel of a kind of wear-resistant high rigidity and preparation method thereof, to solve the above-mentioned back of the body
The problem proposed in scape technology.
For achieving the above object, the present invention provides following technical scheme:
The modified resin wheel of a kind of wear-resistant high rigidity, is prepared from by the raw material of following weight portion: dodecyl siloxane
28～30 parts, silane coupler 24～26 parts, white fused alumina 28～32 parts, fused alumina zirconia 9～11 parts, formalin 18～
20 parts, carborundum 11～13 parts, phenol 31～33 parts, barium stearate 14～16 parts, epoxy resin liquid 40～48 parts,
POLYPROPYLENE GLYCOL 25～27 parts, hexamethylenetetramine 28～32 parts, barite 24～26 parts, polyflon 23～
25 parts.
As the further scheme of the present invention: be prepared from by the raw material of following weight portion: dodecyl siloxane 29 parts, silicon
Alkane coupling agent 25 parts, white fused alumina 30 parts, fused alumina zirconia 10 parts, formalin 19 parts, carborundum 12 parts, phenol 30 parts,
Barium stearate 15 parts, epoxy resin liquid 44 parts, POLYPROPYLENE GLYCOL 26 parts, hexamethylenetetramine 30 parts, 25 parts of barite,
Polyflon 24 parts.
The preparation method of the modified resin wheel of a kind of described wear-resistant high rigidity, specifically comprises the following steps that
(1) hexamethylenetetramine, barite are calcined respectively at 700～800 DEG C 2～3h, cool down, wear into fine powder；
(2) POLYPROPYLENE GLYCOL is joined in 180～200 times of water, stirs, add white fused alumina, fused alumina zirconia, 50～
Stir 10～15min at 60 DEG C, obtain latex A；
(3) carborundum, barium stearate are joined in epoxy resin liquid, stir, be slowly added to phenol, rise high temperature
Spend to 70～75 DEG C, insulated and stirred 1.5～2h, be then slowly added dropwise formalin, stir, add mixed system weight
Amount 8～the dehydrated alcohol of 10%, stir, and first heats 8～10h at 80～90 DEG C, obtains emulsion B；
(4) by dodecyl siloxane, silane coupler mixing, stir, add calcining after hexamethylenetetramine,
Barite, stirring mixing 60～70min, dry, wear into fine powder, cross 160～200 mesh sieves, obtain modified powder；
(5) emulsion B is slowly added in latex A, stirs, add modified powder, insulation reaction at 48～52 DEG C
4～6h, it is subsequently adding polyflon, mix and blend 1.6～2h at 76～80 DEG C, true at 120～140 DEG C
Empty dry 2.4～3h, obtain hybrid resin；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into the hardening preset
Hardening in stove, the intensification system of hardening is: 100～120 DEG C, 4～5h；125～140 DEG C, 7～8h；150～170 DEG C,
1～2h；180～185 DEG C, 8～9h；Stop heating, natural cooling, obtain resin wheel.
Compared with prior art, the invention has the beneficial effects as follows: the present invention uses nano ceramics, silane resin and fused alumina zirconia
Etc. being modified, hardness is high, and compactness is good, and revolving strength is high, high temperature resistant, and resistance to ablation can effectively reduce abrasive material and oxygen
The contact of gas, improves the antioxygenic property of finished product, it is also possible to reduce the gas flow produced in sintering process, reduces finished sand
The porosity within Lun.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, aobvious
So, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
The modified resin wheel of wear-resistant high rigidity, is prepared from by the raw material of following weight portion: dodecyl siloxane 28 parts,
Silane coupler 26 parts, white fused alumina 28 parts, fused alumina zirconia 11 parts, formalin 18 parts, carborundum 13 parts, phenol 31
Part, barium stearate 16 parts, epoxy resin liquid 40 parts, POLYPROPYLENE GLYCOL 27 parts, hexamethylenetetramine 28 parts, barite 26
Part, polyflon 23 parts.
In above-described embodiment, the preparation process of the modified resin wheel of wear-resistant high rigidity is as follows:
(1) hexamethylenetetramine, barite are calcined respectively at 700 DEG C 3h, cooling, wear into fine powder；
(2) POLYPROPYLENE GLYCOL is joined in 180 times of water, stir, add white fused alumina, fused alumina zirconia, stir at 50 DEG C
Mix 15min, obtain latex A；
(3) carborundum, barium stearate are joined in epoxy resin liquid, stir, be slowly added to phenol, rise high temperature
Spend to 70 DEG C, insulated and stirred 2h, be then slowly added dropwise formalin, stir, add the nothing of mixed system weight 8%
Water-ethanol, stirs, and first heats 10h at 80 DEG C, obtains emulsion B；
(4) by dodecyl siloxane, silane coupler mixing, stir, add calcining after hexamethylenetetramine,
Barite, stirring mixing 60min, dry, wear into fine powder, cross 160 mesh sieves, obtain modified powder；
(5) emulsion B is slowly added in latex A, stirs, addition modified powder, insulation reaction 6h at 48 DEG C,
It is subsequently adding polyflon, mix and blend 2h at 76 DEG C, at 120 DEG C, it is vacuum dried 3h, obtains compound tree
Fat；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into the hardening preset
Hardening in stove, the intensification system of hardening is: 100 DEG C, 5h；125 DEG C, 8h；150 DEG C, 2h；180 DEG C, 9h；Stopping adds
Heat, natural cooling, obtain resin wheel.
Performance test:
Heat decomposition temperature >=450 DEG C；
Revolving strength 150m/s
Consumption experiment: with identical weight, the commercially available epoxy resin liquid emery wheel of same size and the emery wheel of the present invention, weight is
1kg, cuts channel-section steel the most continuously, and the commercially available emery wheel weight after the cutting of epoxy resin liquid emery wheel is 972g,
Weight after the emery wheel cutting of the present invention is 988g, wears away little, and durability is high.
Embodiment 2
The modified resin wheel of wear-resistant high rigidity, is prepared from by the raw material of following weight portion: dodecyl siloxane 29 parts,
Silane coupler 25 parts, white fused alumina 30 parts, fused alumina zirconia 10 parts, formalin 19 parts, carborundum 12 parts, phenol 30
Part, barium stearate 15 parts, epoxy resin liquid 44 parts, POLYPROPYLENE GLYCOL 26 parts, hexamethylenetetramine 30 parts, barite 25
Part, polyflon 24 parts.
In above-described embodiment, the preparation process of the modified resin wheel of wear-resistant high rigidity is as follows:
(1) hexamethylenetetramine, barite are calcined respectively at 750 DEG C 2.5h, cooling, wear into fine powder；
(2) POLYPROPYLENE GLYCOL is joined in 190 times of water, stir, add white fused alumina, fused alumina zirconia, stir at 55 DEG C
Mix 12.5min, obtain latex A；
(3) carborundum, barium stearate are joined in epoxy resin liquid, stir, be slowly added to phenol, rise high temperature
Spend to 72.5 DEG C, insulated and stirred 1.8h, be then slowly added dropwise formalin, stir, add mixed system weight 9%
Dehydrated alcohol, stir, at 85 DEG C, first heat 9h, obtain emulsion B；
(4) by dodecyl siloxane, silane coupler mixing, stir, add calcining after hexamethylenetetramine,
Barite, stirring mixing 65min, dry, wear into fine powder, cross 180 mesh sieves, obtain modified powder；
(5) emulsion B is slowly added in latex A, stirs, addition modified powder, insulation reaction 4.5h at 50 DEG C,
It is subsequently adding polyflon, mix and blend 1.8h at 78 DEG C, at 125 DEG C, it is vacuum dried 2.7h, is mixed
Resin；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into the hardening preset
Hardening in stove, the intensification system of hardening is: 110 DEG C, 4.5h；132 DEG C, 7.5h；160 DEG C, 1.5h；182 DEG C, 8.5h；
Stop heating, natural cooling, obtain resin wheel.
Performance test:
Heat decomposition temperature >=460 DEG C；
Revolving strength 155m/s
Consumption experiment: with identical weight, the commercially available epoxy resin liquid emery wheel of same size and the emery wheel of the present invention, weight is
1kg, cuts channel-section steel the most continuously, and the commercially available emery wheel weight after the cutting of epoxy resin liquid emery wheel is 972g,
Weight after the emery wheel cutting of the present invention is 990g, wears away little, and durability is high.
Embodiment 3
The modified resin wheel of wear-resistant high rigidity, is prepared from by the raw material of following weight portion: dodecyl siloxane 30 parts,
Silane coupler 24 parts, white fused alumina 32 parts, fused alumina zirconia 9 parts, formalin 20 parts, carborundum 11 parts, phenol 33
Part, barium stearate 14 parts, epoxy resin liquid 48 parts, POLYPROPYLENE GLYCOL 25 parts, hexamethylenetetramine 32 parts, barite 24
Part, polyflon 25 parts.
In above-described embodiment, the preparation process of the modified resin wheel of wear-resistant high rigidity is as follows:
(1) hexamethylenetetramine, barite are calcined respectively at 800 DEG C 2h, cooling, wear into fine powder；
(2) POLYPROPYLENE GLYCOL is joined in 200 times of water, stir, add white fused alumina, fused alumina zirconia, stir at 60 DEG C
Mix 10min, obtain latex A；
(3) carborundum, barium stearate are joined in epoxy resin liquid, stir, be slowly added to phenol, rise high temperature
Spend to 75 DEG C, insulated and stirred 1.5h, be then slowly added dropwise formalin, stir, add mixed system weight 10%
Dehydrated alcohol, stir, at 90 DEG C, first heat 8h, obtain emulsion B；
(4) by dodecyl siloxane, silane coupler mixing, stir, add calcining after hexamethylenetetramine,
Barite, stirring mixing 70min, dry, wear into fine powder, cross 200 mesh sieves, obtain modified powder；
(5) emulsion B is slowly added in latex A, stirs, addition modified powder, insulation reaction 4h at 52 DEG C,
It is subsequently adding polyflon, mix and blend 1.6h at 80 DEG C, at 140 DEG C, it is vacuum dried 2.4h, is mixed
Resin；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into the hardening preset
Hardening in stove, the intensification system of hardening is: 120 DEG C, 4h；140 DEG C, 7h；170 DEG C, 2h；185 DEG C, 8h；Stopping adds
Heat, natural cooling, obtain resin wheel.
Performance test:
Heat decomposition temperature >=458 DEG C；
Revolving strength 152m/s
Consumption experiment: with identical weight, the commercially available epoxy resin liquid emery wheel of same size and the emery wheel of the present invention, weight is
1kg, cuts channel-section steel the most continuously, and the commercially available emery wheel weight after the cutting of epoxy resin liquid emery wheel is 972g,
Weight after the emery wheel cutting of the present invention is 989g, wears away little, and durability is high.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and do not carrying on the back
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Claims (3)
1. the modified resin wheel of a wear-resistant high rigidity, it is characterised in that be prepared from by the raw material of following weight portion: ten
Dialkylsiloxane 28～30 parts, silane coupler 24～26 parts, white fused alumina 28～32 parts, fused alumina zirconia 9～11 parts,
Formalin 18～20 parts, carborundum 11～13 parts, phenol 31～33 parts, barium stearate 14～16 parts, epoxy resin
Liquid 40～48 parts, POLYPROPYLENE GLYCOL 25～27 parts, hexamethylenetetramine 28～32 parts, barite 24～26 parts, polytetrafluoro
Vinyl 23～25 parts.
The modified resin wheel of wear-resistant high rigidity the most according to claim 1, it is characterised in that by following weight portion
Raw material is prepared from: dodecyl siloxane 29 parts, silane coupler 25 parts, white fused alumina 30 parts, fused alumina zirconia 10 parts,
Formalin 19 parts, carborundum 12 parts, phenol 30 parts, barium stearate 15 parts, epoxy resin liquid 44 parts, polypropylene
Alcohol 26 parts, hexamethylenetetramine 30 parts, 25 parts of barite, polyflon 24 parts.
3. the preparation method of the modified resin wheel of a wear-resistant high rigidity as claimed in claim 1 or 2, it is characterised in that
Specifically comprise the following steps that
(1) hexamethylenetetramine, barite are calcined respectively at 700～800 DEG C 2～3h, cool down, wear into fine powder；
(2) POLYPROPYLENE GLYCOL is joined in 180～200 times of water, stirs, add white fused alumina, fused alumina zirconia, 50～
Stir 10～15min at 60 DEG C, obtain latex A；
(3) carborundum, barium stearate are joined in epoxy resin liquid, stir, be slowly added to phenol, rise high temperature
Spend to 70～75 DEG C, insulated and stirred 1.5～2h, be then slowly added dropwise formalin, stir, add mixed system weight
Amount 8～the dehydrated alcohol of 10%, stir, and first heats 8～10h at 80～90 DEG C, obtains emulsion B；
(4) by dodecyl siloxane, silane coupler mixing, stir, add calcining after hexamethylenetetramine,
Barite, stirring mixing 60～70min, dry, wear into fine powder, cross 160～200 mesh sieves, obtain modified powder；
(5) emulsion B is slowly added in latex A, stirs, add modified powder, insulation reaction at 48～52 DEG C
4～6h, it is subsequently adding polyflon, mix and blend 1.6～2h at 76～80 DEG C, true at 120～140 DEG C
Empty dry 2.4～3h, obtain hybrid resin；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into the hardening preset
Hardening in stove, the intensification system of hardening is: 100～120 DEG C, 4～5h；125～140 DEG C, 7～8h；150～170 DEG C,
1～2h；180～185 DEG C, 8～9h；Stop heating, natural cooling, obtain resin wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610372905.0A CN106002653A (en) | 2016-05-25 | 2016-05-25 | Anti-wear and high-hardness modified resin grinding wheel and preparation method thereof |
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| CN201610372905.0A CN106002653A (en) | 2016-05-25 | 2016-05-25 | Anti-wear and high-hardness modified resin grinding wheel and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457712A (en) * | 2017-08-09 | 2017-12-12 | 安徽昌悌进出口贸易有限公司 | A kind of resin base high abrasion emery wheel material and preparation method thereof |
| CN110202491A (en) * | 2019-05-27 | 2019-09-06 | 中国铁路南昌局集团有限公司科学技术研究所 | It is a kind of to be polished grinding wheel based on rare earth material with graphene-based novel steel rail |
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| CN104710792A (en) * | 2015-03-25 | 2015-06-17 | 合肥工业大学 | Spherical core-shell structured Al2O3/AlN thermal-conducting powder and high-thermal-conductivity insulating silicone grease and preparation methods thereof |
| CN105294964A (en) * | 2015-10-10 | 2016-02-03 | 薛典荣 | Zinc oxide coated CBN (cubic boron nitride) grinding material resin grinding wheel and preparation method of zinc oxide coated CBN grinding material resin grinding wheel |
| CN105328591A (en) * | 2015-10-10 | 2016-02-17 | 薛典荣 | Ceramic combined modified resin sand wheel and preparing method thereof |
| CN105382712A (en) * | 2015-10-09 | 2016-03-09 | 芜湖市鸿坤汽车零部件有限公司 | High-speed cutting resin grinding wheel and preparing method thereof |
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2016
- 2016-05-25 CN CN201610372905.0A patent/CN106002653A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913121A (en) * | 2010-07-14 | 2010-12-15 | 华南理工大学 | Method for preparing non-woven fabric polishing abrasive tool with high abrasion resistance |
| CN104710792A (en) * | 2015-03-25 | 2015-06-17 | 合肥工业大学 | Spherical core-shell structured Al2O3/AlN thermal-conducting powder and high-thermal-conductivity insulating silicone grease and preparation methods thereof |
| CN105382712A (en) * | 2015-10-09 | 2016-03-09 | 芜湖市鸿坤汽车零部件有限公司 | High-speed cutting resin grinding wheel and preparing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107457712A (en) * | 2017-08-09 | 2017-12-12 | 安徽昌悌进出口贸易有限公司 | A kind of resin base high abrasion emery wheel material and preparation method thereof |
| CN110202491A (en) * | 2019-05-27 | 2019-09-06 | 中国铁路南昌局集团有限公司科学技术研究所 | It is a kind of to be polished grinding wheel based on rare earth material with graphene-based novel steel rail |
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