CN103453038B - A kind of high abrasion clutch surface - Google Patents
A kind of high abrasion clutch surface Download PDFInfo
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- CN103453038B CN103453038B CN201310362590.8A CN201310362590A CN103453038B CN 103453038 B CN103453038 B CN 103453038B CN 201310362590 A CN201310362590 A CN 201310362590A CN 103453038 B CN103453038 B CN 103453038B
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Abstract
The invention discloses a kind of high abrasion clutch surface, it is by dustless asbestos cloth through insulating varnish, dipping rubber slurry, then through processing around embryo, hot pressing, heat treatment, mill; The preparation method of the resin solution that insulating varnish is used is: phenolic resin, hexamethylenetetramine are mixed in the ratio of 1: 1-1.2, pulverize, again by the mixed material after pulverizing and alcohol according to 1: 2.4-2.6 ratio mix, then drop in stirrer and break into resin solution, to obtain final product; The rubber slurry flooding rubber used is obtained by the raw material of following weight parts: styrene butadiene rubber 18-20, sulphur 4-6, accelerant CZ? 0.4-0.5, antioxidant 1076? 0.2-0.4, stearic acid 0.7-1, semi-reinforcing hydrocarbon black 7-9, graphite 9-10, barite 12-14, modified filler 7-8, nano-calcium carbonate 8-9, aluminium oxide 8-9, zine oxide 1-2, phenolic resin 9-10, barium hydroxide 2-4, dimethylbenzene is appropriate.
Description
Technical field
The present invention relates to clutch accessory field, is exactly a kind of high abrasion clutch surface.
Background technique
Vapour automotive friction material is mainly used for manufacturing brake strip and clutch surface.The composite material that clutch surface is a kind of is major function with friction, have structural performance requirements concurrently.These friction materials mainly adopt asbestos-based friction material, along with more and more higher to the requirement of environmental protection and safety, have engendered semipermanent mold friction material, composite fiber friction material, ceramic fiber friction material.
Due to friction material part mainly for the manufacture of Brake System and power train on automobile, require sufficiently high and stable friction factor and good wear resistance.
Summary of the invention
The object of the present invention is to provide a kind of high abrasion clutch surface.
Above-mentioned purpose is realized by following scheme:
A kind of high abrasion clutch surface, is characterized in that: it is by dustless asbestos cloth through insulating varnish, dipping rubber slurry, then through processing around embryo, hot pressing, heat treatment, mill;
The preparation method of the resin solution that insulating varnish is used is: phenolic resin, hexamethylenetetramine are mixed in the ratio of 1:1-1.2, pulverize, again the mixed material after pulverizing and alcohol are mixed according to the ratio of 1:2.4-2.6, then drop in stirrer and break into resin solution, to obtain final product;
The rubber slurry flooding rubber used is obtained by the raw material of following weight parts:
Styrene butadiene rubber 12-16, nitrile butadiene rubber 4-7, Cosan 2-3, accelerant CZ 0.3-0.4, antioxidant 1076 0.7-0.8, antioxidant 626 0.2-0.4, zine stearate 0.7-1.3, octyl epoxy stearate 0.3-0.5, semi-reinforcing hydrocarbon black 5-7, graphite 5-8, modification brucite powder 7-8, celestite powder 3-5, nano-calcium carbonate 5-7, aluminium oxide 10-12, phenolic resin 9-10, barium hydroxide 1-2, antioxidant 626 0.1-0.2, calcium sulfate 3-6, dimethylbenzene is appropriate;
The preparation method of modification brucite powder is:
(1) first, get brucite powder, be incorporated as in brucite powder quality 9-12 deionized water doubly, after stirring at 40-50 DEG C, soak after 8-12 hour, after 700-1000r/min centrifugal treating 10-15min, dry;
(2) 10-12 second is burnt in the 700-900 DEG C of sudden strain of a muscle in sudden strain of a muscle firing of step (1) dried brucite powder, in brucite powder, pour the concentration being equivalent to brucite powder weight 4-5 times again into is the hydrochloric acid solution of 5-8%, stir 25-30 minute at 45-55 DEG C after, deionized water washing, oven dry, pulverize, cross 60-100 mesh sieve;
(3) reactor is preheated to 60-70 DEG C, then add after the nano-sized carbon of silane coupler KH570,1.1-2.8%, the alcohol ether glucoside of 0.1-0.2% that are equivalent to its weight 0.3-1.3% stir in the brucite powder after step (2) process, load reactor, when being then warming up to 80-85 DEG C, insulation 4-8 minute, then add when in the dolomol of brucite powder weight 0.5-0.7%, be incubated taking-up in 8-15 minute, cooling, to obtain final product.
The preparation method of described rubber slurry is:
(1) start opening rubber mixing machine, trial run 1-2 minute, compensation roll is apart from 1-2 ㎜, put load weighted styrene butadiene rubber with on rubber mixing machine, plasticate 2-3 minute, after bag roller, add accelerant CZ, antioxidant 1076, aluminium oxide, at 80-85 DEG C mixing evenly after, play triangle bag 2-3 time;
(2), after adjusting roll spacing 3-4 ㎜, add semi-reinforcing hydrocarbon black, nano-calcium carbonate, barium hydroxide, until material mixing evenly after, the material in cleaning receiver adds in elastomeric compound, finally adds sulphur, plays 3-4 triangle bag continuously;
(3) adjust roll spacing 1-2 ㎜, by thin for sizing material roller blanking, control roller temperature < 70 DEG C, cuts out bar for subsequent use;
(4) the adhesive tape metering cut out is dropped in beater, then all the other raw materials are pulverized, all drop in beater, obtain mixed material, then add the dimethylbenzene being equivalent to said mixture material gross weight 0.8-1, making beating 4-5 hour, when there is no particulate matter in rubber cement, obtain rubber slurry.
Described a kind of high abrasion clutch surface, is characterized in that:
Its preparation method is:
(1) dustless asbestos cloth carries out drying process, makes absorption water content≤1.5%;
(2) dustless asbestos cloth insulating varnish, makes its resinous amount control at 18-22%;
(3) flood rubber slurry, wherein weight proportion is: dustless asbestos cloth: sizing material=1: 0.8-1.1;
(4) again through around embryo, hot pressing, heat treatment, mill processing, to obtain final product.
Beneficial effect of the present invention is: after the present invention introduces special rubber slurry, makes friction factor of the present invention not only high but also stable, makes the present invention have the wear resistance of height, and the life-span is long not easy to wear.
Embodiment
A kind of high abrasion clutch surface, it is by dustless asbestos cloth through insulating varnish, dipping rubber slurry, then through processing around embryo, hot pressing, heat treatment, mill;
The preparation method of the resin solution that insulating varnish is used is: phenolic resin, hexamethylenetetramine are mixed in the ratio of 1:1, pulverize, again the mixed material after pulverizing and alcohol are mixed according to the ratio of 1:2.6, then drop in stirrer and break into resin solution, to obtain final product;
Flooding rubber rubber slurry used is obtained by the raw material of following weight parts (kg):
Styrene butadiene rubber 15, nitrile butadiene rubber 6, Cosan 3, accelerant CZ 0.4, antioxidant 1076 0.8, antioxidant 626 0.4, zine stearate 0.9, octyl epoxy stearate 0.5, semi-reinforcing hydrocarbon black 7, graphite 5, modification brucite powder 7, celestite powder 5, nano-calcium carbonate 5, aluminium oxide 12, phenolic resin 10, barium hydroxide 2, antioxidant 626 0.2, calcium sulfate 5, dimethylbenzene is appropriate;
The preparation method of modification brucite powder is:
(1) first, get brucite powder, be incorporated as in the deionized water of brucite powder quality 10 times, after stirring at 45 DEG C, soak after 12 hours, after 1000r/min centrifugal treating 15min, dry;
(2) by step (1) dried brucite powder in sudden strain of a muscle firing 900 DEG C dodge burning 12 seconds, in brucite powder, pour the concentration being equivalent to brucite powder weight 5 times again into is the hydrochloric acid solution of 8%, stirs after 30 minutes at 55 DEG C, deionized water washing, oven dry, pulverize, cross 60 mesh sieves;
(3) reactor is preheated to 60 DEG C, then add after the silane coupler KH570, the nano-sized carbon of 2.2%, the alcohol ether glucoside of 0.1% that are equivalent to its weight 0.5% stir in the brucite powder after step (2) process, load reactor, when being then warming up to 80 DEG C, be incubated 8 minutes, then add when in the dolomol of brucite powder weight 0.7%, be incubated taking-up in 15 minutes, cooling, to obtain final product.
The preparation method of described rubber slurry is:
(1) start opening rubber mixing machine, try out 2 minutes, compensation roll is apart from 1-2 ㎜, load weighted styrene butadiene rubber is put with on rubber mixing machine, plasticates 3 minutes, after bag roller, add accelerant CZ, antioxidant 1076, aluminium oxide, at 85 DEG C mixing evenly after, play triangle bag 2-3 time;
(2), after adjusting roll spacing 3-4 ㎜, add semi-reinforcing hydrocarbon black, nano-calcium carbonate, barium hydroxide, until material mixing evenly after, the material in cleaning receiver adds in elastomeric compound, finally adds sulphur, plays 3-4 triangle bag continuously;
(3) adjust roll spacing 1-2 ㎜, by thin for sizing material roller blanking, control roller temperature < 70 DEG C, cuts out bar for subsequent use;
(4) the adhesive tape metering cut out is dropped in beater, then all the other raw materials are pulverized, all drop in beater, obtain mixed material, then add the dimethylbenzene being equivalent to said mixture material gross weight 1, pull an oar 4 hours, when there is no particulate matter in rubber cement, obtain rubber slurry.
Described a kind of high abrasion clutch surface,
Its preparation method is:
(1) dustless asbestos cloth carries out drying process, makes absorption water content≤1.5%;
(2) dustless asbestos cloth insulating varnish, makes its resinous amount control at 18-22%;
(3) flood rubber slurry, wherein weight proportion is: dustless asbestos cloth: sizing material=1: 0.8-1.1;
(4) again through around embryo, hot pressing, heat treatment, mill processing, to obtain final product.
The outward appearance of the present embodiment and frictional behaviour are tested according to GB5764-1998 standard,
After tested, the frictional behaviour of the present embodiment is: friction factor 0.28-0.40, friction ratio is less than 0.20 × 10
-7cm
3/ N.m, other performance is density 1.9 ± 0.1g/cm
3, hardness HRL50 ~ 90.Flexural strength is greater than 53N/mm
2, maximum strain is greater than 15 × 10
-3mm/mm.Its performance index are better than the related standards of former car clutch face sheet greatly.
Claims (2)
1. a high abrasion clutch surface, is characterized in that: it is by dustless asbestos cloth through insulating varnish, dipping rubber slurry, then through processing around embryo, hot pressing, heat treatment, mill;
The preparation method of the resin solution that insulating varnish is used is: phenolic resin, hexamethylenetetramine are mixed in the ratio of 1:1-1.2, pulverize, again the mixed material after pulverizing and alcohol are mixed according to the ratio of 1:2.4-2.6, then drop in stirrer and break into resin solution, to obtain final product;
The rubber slurry flooding rubber used is obtained by the raw material of following weight parts:
Styrene butadiene rubber 12-16, nitrile butadiene rubber 4-7, Cosan 2-3, accelerant CZ 0.3-0.4, antioxidant 1076 0.7-0.8, antioxidant 626 0.2-0.4, zine stearate 0.7-1.3, octyl epoxy stearate 0.3-0.5, semi-reinforcing hydrocarbon black 5-7, graphite 5-8, modification brucite powder 7-8, celestite powder 3-5, nano-calcium carbonate 5-7, aluminium oxide 10-12, phenolic resin 9-10, barium hydroxide 1-2, antioxidant 626 0.1-0.2, calcium sulfate 3-6, dimethylbenzene is appropriate;
The preparation method of modification brucite powder is:
(1) first, get brucite powder, be incorporated as in brucite powder quality 9-12 deionized water doubly, after stirring at 40-50 DEG C, soak after 8-12 hour, after 700-1000r/min centrifugal treating 10-15min, dry;
(2) 10-12 second is burnt in the 700-900 DEG C of sudden strain of a muscle in sudden strain of a muscle firing of step (1) dried brucite powder, in brucite powder, pour the concentration being equivalent to brucite powder weight 4-5 times again into is the hydrochloric acid solution of 5-8%, stir 25-30 minute at 45-55 DEG C after, deionized water washing, oven dry, pulverize, cross 60-100 mesh sieve;
(3) reactor is preheated to 60-70 DEG C, then add after the nano-sized carbon of silane coupler KH570,1.1-2.8%, the alcohol ether glucoside of 0.1-0.2% that are equivalent to its weight 0.3-1.3% stir in the brucite powder after step (2) process, load reactor, when being then warming up to 80-85 DEG C, insulation 4-8 minute, then add the dolomol being equivalent to brucite powder weight 0.5-0.7%, be incubated taking-up in 8-15 minute, cooling, to obtain final product;
The preparation method of described rubber slurry is:
(1) start opening rubber mixing machine, trial run 1-2 minute, compensation roll is apart from 1-2 ㎜, be placed on rubber mixing machine by load weighted styrene butadiene rubber, plasticate 2-3 minute, after bag roller, add accelerant CZ, antioxidant 1076, aluminium oxide, at 80-85 DEG C mixing evenly after, play triangle bag 2-3 time;
(2), after adjusting roll spacing 3-4 ㎜, add semi-reinforcing hydrocarbon black, nano-calcium carbonate, barium hydroxide, until material mixing evenly after, the material in cleaning receiver adds in elastomeric compound, finally adds sulphur, plays 3-4 triangle bag continuously;
(3) adjust roll spacing 1-2 ㎜, by thin for sizing material roller blanking, control roller temperature < 70 DEG C, cuts out bar for subsequent use;
(4) the adhesive tape metering cut out is dropped in beater, then all the other raw materials are pulverized, all drop in beater, obtain mixed material, then add the dimethylbenzene being equivalent to said mixture material gross weight 0.8-1 times, making beating 4-5 hour, when there is no particulate matter in rubber cement, obtain rubber slurry.
2. a kind of high abrasion clutch surface according to claim 1, is characterized in that: its preparation method is:
(1) dustless asbestos cloth carries out drying process, makes absorption water content≤1.5%;
(2) dustless asbestos cloth insulating varnish, makes its resinous amount control at 18-22%;
(3) flood rubber slurry, wherein weight proportion is: dustless asbestos cloth: sizing material=1: 0.8-1.1;
(4) again through around embryo, hot pressing, heat treatment, mill processing, to obtain final product.
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| CN201310362590.8A CN103453038B (en) | 2013-08-20 | 2013-08-20 | A kind of high abrasion clutch surface |
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| CN103453038B true CN103453038B (en) | 2015-10-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679128A (en) * | 2018-05-10 | 2018-10-19 | 来安县隆华摩擦材料有限公司 | A kind of clutch disc edge treated technique |
| CN108679130A (en) * | 2018-05-10 | 2018-10-19 | 来安县隆华摩擦材料有限公司 | A kind of heat treatment method of Friction Facing on Clutch Disc in Heavy |
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| CN105085841A (en) * | 2015-08-03 | 2015-11-25 | 来安县隆华摩擦材料有限公司 | Automobile clutch light particle friction material and preparation method thereof |
| CN105112014A (en) * | 2015-08-03 | 2015-12-02 | 来安县隆华摩擦材料有限公司 | Asphalt automobile clutch friction material, and preparation method therefor |
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| CN108608657A (en) * | 2018-05-12 | 2018-10-02 | 来安县隆华摩擦材料有限公司 | A kind of car clutch face sheet around embryo technique |
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| CN108679130A (en) * | 2018-05-10 | 2018-10-19 | 来安县隆华摩擦材料有限公司 | A kind of heat treatment method of Friction Facing on Clutch Disc in Heavy |
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| CN103453038A (en) | 2013-12-18 |
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