CN106041762A - Heat-resistance and wear-resistant modified silane resin grinding wheel and preparation method thereof - Google Patents
Heat-resistance and wear-resistant modified silane resin grinding wheel and preparation method thereof Download PDFInfo
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- CN106041762A CN106041762A CN201610372933.2A CN201610372933A CN106041762A CN 106041762 A CN106041762 A CN 106041762A CN 201610372933 A CN201610372933 A CN 201610372933A CN 106041762 A CN106041762 A CN 106041762A
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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
- B24D18/009—Tools 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
- B24D3/342—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 incorporated in the bonding agent
- B24D3/344—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 incorporated in the bonding agent the bonding agent being organic
Abstract
The invention discloses a heat-resistance and wear-resistant modified silane resin grinding wheel and a preparation method thereof. The modified silane resin grinding wheel is prepared from polydimethyl siloxane, a silane coupling agent, aluminum oxide, cobalt oxide, silicon oil, boron carbide, phenol, manganese oxide, liquid phenolic resin, polypropylene fibers, CBN abrasive, cryolite and polytetrafluoroethylene resin. As nano-ceramic, silane resin, cobalt oxide and the like are adopted for modification, the modified silane resin grinding wheel has the advantages of high hardness, good compactness, high rotation strength, high temperature resistance, and ablation resistance; the contact between the abrasive and oxygen can be effectively reduced, so that the oxidation resistance of a finished product is improved; and the amount of gas generated in the sintering process can be reduced, so that the porosity in the finished grinding wheel is reduced.
Description
Technical field
The present invention relates to emery wheel, modified silane resin wheel of a kind of heat-resistant antifriction 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
Matrix is always developed and the emphasis of research as the important component part of friction material.Liquid phenolic resin, epoxy resin, butylbenzene
Rubber and politef are all used as the matrix of friction material, but epoxy resin, butadiene-styrene rubber and politef by
Its application in terms of friction material is limited in poor anti-wear performance, heat resistance and bond performance.Liquid phenolic resin exists
The advantage of the aspects such as heat resistance, bond performance, mechanical property, moulding processability and cost so that it is become compound friction material
Expect the most frequently used adhesive matrix material.But, pure phenolic resin liquid exists that fragility is big, poor toughness, hardness high, thermostability is not enough,
The defects such as noise is big when intensity is low and uses, extreme influence Properties of Friction Materials, accordingly, it would be desirable to existing resin material emery wheel
Improve.
Summary of the invention
Modified silane resin wheel that it is an object of the invention to provide a kind of heat-resistant antifriction and preparation method thereof, to solve
The problem proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
The modified silane resin wheel of a kind of heat-resistant antifriction, is prepared from by the raw material of following weight portion: poly dimethyl silicon
Oxygen alkane 28～30 parts, silane coupler 24～26 parts, aluminium oxide 28～32 parts, cobalt oxide 9～11 parts, silicone oil 18～20 parts, carbon
Change boron 11～13 parts, phenol 31～33 parts, manganese oxide 14～16 parts, liquid phenolic resin 40～48 parts, polypropylene fibre 25～27
Part, CBN abrasive material 28～32 parts, cryolite 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: polydimethylsiloxane 29 parts, silicon
Alkane coupling agent 25 parts, aluminium oxide 30 parts, cobalt oxide 10 parts, silicone oil 19 parts, boron carbide 12 parts, phenol 30 parts, manganese oxide 15 parts, phenol
Urea formaldehyde liquid 44 parts, polypropylene fibre 26 parts, 30 parts of CBN abrasive material, cryolite 25 parts, polyflon 24 parts.
The preparation method of the modified silane resin wheel of a kind of described heat-resistant antifriction, specifically comprises the following steps that
(1) CBN abrasive material, cryolite are calcined respectively at 700～800 DEG C 2～3h, cool down, wear into fine powder；
(2) polypropylene fibre is joined in 180～200 times of water, stirs, add aluminium oxide, cobalt oxide, 50～
Stir 10～15min at 60 DEG C, obtain latex A；
(3) boron carbide, manganese oxide are joined in liquid phenolic resin, stir, be slowly added to phenol, rise high-temperature extremely
70～75 DEG C, insulated and stirred 1.5～2h, then it is slowly added dropwise silicone oil, stirs, add mixed system weight 8～10%
Dehydrated alcohol, stirs, and first heats 8～10h at 80～90 DEG C, obtains emulsion B；
(4) by polydimethylsiloxane, silane coupler mixing, stir, add the CBN abrasive material after calcining, ice crystal
Stone, 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 4 at 48～52 DEG C
～6h, it being subsequently adding polyflon, mix and blend 1.6～2h at 76～80 DEG C, at 120～140 DEG C, vacuum is done
Dry 2.4～3h, obtain hybrid resin；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into preset hard
Changing in stove and harden, 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 oxidation
Cobalts etc. are modified, and 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
Contact, improve the antioxygenic property of finished product, it is also possible to reduce the gas flow produced in sintering process, reduce in finished product emery wheel
The porosity in portion.
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,
Obviously, 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 silane resin wheel of heat-resistant antifriction, is prepared from by the raw material of following weight portion: polydimethylsiloxane
28 parts, silane coupler 26 parts, aluminium oxide 28 parts, cobalt oxide 11 parts, silicone oil 18 parts, boron carbide 13 parts, phenol 31 parts, manganese oxide
16 parts, liquid phenolic resin 40 parts, polypropylene fibre 27 parts, 28 parts of CBN abrasive material, cryolite 26 parts, polyflon 23 parts.
In above-described embodiment, the preparation process of the modified silane resin wheel of heat-resistant antifriction is as follows:
(1) CBN abrasive material, cryolite are calcined respectively at 700 DEG C 3h, cooling, wear into fine powder；
(2) polypropylene fibre is joined in 180 times of water, stir, add aluminium oxide, cobalt oxide, stir at 50 DEG C
Mix 15min, obtain latex A；
(3) boron carbide, manganese oxide are joined in liquid phenolic resin, stir, be slowly added to phenol, rise high-temperature extremely
70 DEG C, insulated and stirred 2h, then it is slowly added dropwise silicone oil, stirs, add the dehydrated alcohol of mixed system weight 8%, stirring
Uniformly, at 80 DEG C, first heat 10h, obtain emulsion B；
(4) by polydimethylsiloxane, silane coupler mixing, stir, add the CBN abrasive material after calcining, ice crystal
Stone, 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, so
Rear addition polyflon, mix and blend 2h at 76 DEG C, at 120 DEG C, it is vacuum dried 3h, obtains hybrid resin；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into preset hard
Changing in stove and harden, the intensification system of hardening is: 100 DEG C, 5h；125 DEG C, 8h；150 DEG C, 2h；180 DEG C, 9h；Stop heating, natural
Cooling, obtains resin wheel.
Performance test:
Heat decomposition temperature >=442 DEG C；
Revolving strength 140m/s
Consumption experiment: with identical weight, the commercially available liquid phenolic resin emery wheel of same size and the emery wheel of the present invention, weight is equal
For 1kg, cutting channel-section steel the most continuously, the commercially available emery wheel weight after the cutting of liquid phenolic resin emery wheel is
972g, the weight after the emery wheel cutting of the present invention is 986g, wears away little, and durability is high.
Embodiment 2
The modified silane resin wheel of heat-resistant antifriction, is prepared from by the raw material of following weight portion: polydimethylsiloxane
29 parts, silane coupler 25 parts, aluminium oxide 30 parts, cobalt oxide 10 parts, silicone oil 19 parts, boron carbide 12 parts, phenol 30 parts, manganese oxide
15 parts, liquid phenolic resin 44 parts, polypropylene fibre 26 parts, 30 parts of CBN abrasive material, cryolite 25 parts, polyflon 24 parts.
In above-described embodiment, the preparation process of the modified silane resin wheel of heat-resistant antifriction is as follows:
(1) CBN abrasive material, cryolite are calcined respectively at 750 DEG C 2.5h, cooling, wear into fine powder；
(2) polypropylene fibre is joined in 190 times of water, stir, add aluminium oxide, cobalt oxide, stir at 55 DEG C
Mix 12.5min, obtain latex A；
(3) boron carbide, manganese oxide are joined in liquid phenolic resin, stir, be slowly added to phenol, rise high-temperature extremely
72.5 DEG C, insulated and stirred 1.8h, then it is slowly added dropwise silicone oil, stirs, add the dehydrated alcohol of mixed system weight 9%,
Stir, at 85 DEG C, first heat 9h, obtain emulsion B；
(4) by polydimethylsiloxane, silane coupler mixing, stir, add the CBN abrasive material after calcining, ice crystal
Stone, 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, obtains compound tree
Fat；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into preset hard
Changing in stove and harden, 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 >=450 DEG C；
Revolving strength 155m/s
Consumption experiment: with identical weight, the commercially available liquid phenolic resin emery wheel of same size and the emery wheel of the present invention, weight is equal
For 1kg, cutting channel-section steel the most continuously, the commercially available emery wheel weight after the cutting of liquid phenolic resin emery wheel is
972g, the weight after the emery wheel cutting of the present invention is 990g, wears away little, and durability is high.
Embodiment 3
The modified silane resin wheel of heat-resistant antifriction, is prepared from by the raw material of following weight portion: polydimethylsiloxane
30 parts, silane coupler 24 parts, aluminium oxide 32 parts, cobalt oxide 9 parts, silicone oil 20 parts, boron carbide 11 parts, phenol 33 parts, manganese oxide
14 parts, liquid phenolic resin 48 parts, polypropylene fibre 25 parts, 32 parts of CBN abrasive material, cryolite 24 parts, polyflon 25 parts.
In above-described embodiment, the preparation process of the modified silane resin wheel of heat-resistant antifriction is as follows:
(1) CBN abrasive material, cryolite are calcined respectively at 800 DEG C 2h, cooling, wear into fine powder；
(2) polypropylene fibre is joined in 200 times of water, stir, add aluminium oxide, cobalt oxide, stir at 60 DEG C
Mix 10min, obtain latex A；
(3) boron carbide, manganese oxide are joined in liquid phenolic resin, stir, be slowly added to phenol, rise high-temperature extremely
75 DEG C, insulated and stirred 1.5h, then it is slowly added dropwise silicone oil, stirs, add the dehydrated alcohol of mixed system weight 10%, stir
Mix uniformly, at 90 DEG C, first heat 8h, obtain emulsion B；
(4) by polydimethylsiloxane, silane coupler mixing, stir, add the CBN abrasive material after calcining, ice crystal
Stone, 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, so
Rear addition polyflon, mix and blend 1.6h at 80 DEG C, at 140 DEG C, it is vacuum dried 2.4h, obtains hybrid resin；
(9) hybrid resin obtained is processed molding according to demand, separates with sheet iron plate, put into preset hard
Changing in stove and harden, the intensification system of hardening is: 120 DEG C, 4h；140 DEG C, 7h；170 DEG C, 2h；185 DEG C, 8h；Stop heating, natural
Cooling, obtains resin wheel.
Performance test:
Heat decomposition temperature >=445 DEG C；
Revolving strength 150m/s
Consumption experiment: with identical weight, the commercially available liquid phenolic resin emery wheel of same size and the emery wheel of the present invention, weight is equal
For 1kg, cutting channel-section steel the most continuously, the commercially available emery wheel weight after the cutting of liquid phenolic resin emery wheel is
972g, the weight after the emery wheel cutting of the present invention is 986g, 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, Er Qie
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 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 silane resin wheel of a heat-resistant antifriction, it is characterised in that be prepared from by the raw material of following weight portion: poly-
Dimethyl siloxane 28～30 parts, silane coupler 24～26 parts, aluminium oxide 28～32 parts, cobalt oxide 9～11 parts, silicone oil 18～
20 parts, boron carbide 11～13 parts, phenol 31～33 parts, manganese oxide 14～16 parts, liquid phenolic resin 40～48 parts, polypropylene fibre
25～27 parts, CBN abrasive material 28～32 parts, cryolite 24～26 parts, polyflon 23～25 parts.
The modified silane resin wheel of heat-resistant antifriction the most according to claim 1, it is characterised in that by following weight portion
Raw material is prepared from: polydimethylsiloxane 29 parts, silane coupler 25 parts, aluminium oxide 30 parts, cobalt oxide 10 parts, silicone oil 19
Part, boron carbide 12 parts, phenol 30 parts, manganese oxide 15 parts, liquid phenolic resin 44 parts, polypropylene fibre 26 parts, 30 parts of CBN abrasive material,
Cryolite 25 parts, polyflon 24 parts.
3. a preparation method for the modified silane resin wheel of heat-resistant antifriction as claimed in claim 1 or 2, its feature exists
In, specifically comprise the following steps that
(1) CBN abrasive material, cryolite are calcined respectively at 700～800 DEG C 2～3h, cool down, wear into fine powder；
(2) polypropylene fibre is joined in 180～200 times of water, stir, add aluminium oxide, cobalt oxide, at 50～60 DEG C
Lower stirring 10～15min, obtains latex A；
(3) boron carbide, manganese oxide are joined in liquid phenolic resin, stir, be slowly added to phenol, rise high-temperature to 70～
75 DEG C, insulated and stirred 1.5～2h, be then slowly added dropwise silicone oil, stir, add mixed system weight 8～10% anhydrous
Ethanol, stirs, and first heats 8～10h at 80～90 DEG C, obtains emulsion B；
(4) by polydimethylsiloxane, silane coupler mixing, stir, add the CBN abrasive material after calcining, cryolite, stir
Mix 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, at 48～52 DEG C insulation reaction 4～
6h, is subsequently adding polyflon, mix and blend 1.6～2h at 76～80 DEG C, is vacuum dried at 120～140 DEG C
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 furnace preset
Middle hardening, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610372933.2A CN106041762A (en) | 2016-05-25 | 2016-05-25 | Heat-resistance and wear-resistant modified silane resin grinding wheel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610372933.2A CN106041762A (en) | 2016-05-25 | 2016-05-25 | Heat-resistance and wear-resistant modified silane resin grinding wheel and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030617A (en) * | 2017-05-04 | 2017-08-11 | 中原内配集团鼎锐科技有限公司 | A kind of resin bonding agent diamond honing abrasive belt and preparation method thereof |
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| CN104846690A (en) * | 2015-03-31 | 2015-08-19 | 杭州桑拉科技有限公司 | Wet paper-based friction material for agricultural machinery and manufacturing method of friction plate made of same |
| 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
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|---|---|---|---|---|
| CN1511076A (en) * | 2001-05-22 | 2004-07-07 | 3M | Abrasive articles comprising abrasive particles and polymeric reaction product |
| CN102115653A (en) * | 2009-12-31 | 2011-07-06 | 比亚迪股份有限公司 | Binding agent composition, preparation method and application thereof |
| CN102417363A (en) * | 2011-08-02 | 2012-04-18 | 中国科学院化学研究所 | Micron-nano-sized porous composite material and preparation method thereof |
| CN102731942A (en) * | 2012-06-13 | 2012-10-17 | 浙江大学 | Preparation method of talc filled PTFE composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107030617A (en) * | 2017-05-04 | 2017-08-11 | 中原内配集团鼎锐科技有限公司 | A kind of resin bonding agent diamond honing abrasive belt and preparation method thereof |
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Application publication date: 20161026 |