CN103939512A - Preparing method for clutch friction plate for passenger car - Google Patents
Preparing method for clutch friction plate for passenger car Download PDFInfo
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- CN103939512A CN103939512A CN201410189552.1A CN201410189552A CN103939512A CN 103939512 A CN103939512 A CN 103939512A CN 201410189552 A CN201410189552 A CN 201410189552A CN 103939512 A CN103939512 A CN 103939512A
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Abstract
The invention provides a preparing method for a clutch friction plate for a passenger car. The preparing method comprises the steps of material preparing, mixing and stirring, hot press molding and solidifying. The clutch friction plate comprises 25-35 percent of adhesive, 10-15 percent of fortifier, 5-10 percent of friction enhancing agent, 3-5 percent of anti-abrasion lubricant, 5-8 percent of elastic flexibilizer, 30-40 percent of filler and 2.5-5.5 percent of friction coefficient stabilizer. The preparing method has the advantages that the stability of friction coefficients of the friction plate prepared through the materials can be kept at the temperature range from the normal temperature to 35 DEG C, the passenger car can stably engage a gear at all working conditions, and a clutch cannot shake.
Description
Technical field
The present invention relates to auto parts and components and manufacture field, be specifically related to a kind of preparation method of objective Vehicular friction plate.
Background technique
Passenger vehicle is all the time quite high to the requirement of clutch, and key point is just that clutch there will be shake, causes passenger's travelling comfort to reduce.The jitter problem occurring in bus driving process is a systematic problem, is related to configuration, adjustment, resonance, clutch of motor and car load etc.The important indicator of friction plate is exactly that friction factor wave range can not exceed 0.1 in the situation that of normal temperature to 350 DEG C, and the wave range of wear rate can not exceed 0.2, and 350 DEG C time, friction factor is greater than 0.25.
In the raw material of friction plate, comprise multiple organic composite composition, can referenced patent application number: 201310219952.8, disclose a kind of friction material, automobile friction, it consists of friction material by weight percentage: binder 8%～15%, strengthening agent 24%～33%, increasing grinding agent 7.2～9.8%, antifriction lubricant 16.5%～20%, elasticity plasticizer 4.5%～6.5%, stuffing 24.8%～30.6%.Friction material of the present invention has good wear resistance, high-temperature behavior is good, can avoid decline and the expansion of high temperature simultaneously, the friction plate rigidity and the good toughness that use this friction material to prepare, there is good braking, wear resistance, braking is steady, dust is few, hardness is moderate, and heat fade is little, high temperature restorability.
In the situation that temperature exceedes 300 DEG C, make the friction factor of friction plate can very fast decline, wear rate can very fast raising.
Passenger vehicle is in running; often there will be brake; starting; wait traffic lights etc. situation; so can often make clutch in half-clutch situation, under half-clutch situation, the operating temperature of clutch can be increased to more than 300 DEG C very soon due to friction; the friction factor of friction plate can reduce very soon, will cause clutch jitter phenomenon.
Summary of the invention
The invention provides a kind of preparation method of clutch friction plate, the friction plate that this method is made still can normally be worked under hot environment, and friction factor can not change a lot.
The invention provides following technological scheme: the preparation method of passenger vehicle clutch friction plate, described preparation method's step is followed successively by batching, mix and blend, hot-forming, curing, the proportioning of the each composition of described batching step is, binder 25～35%, strengthening agent 10～15%, increases grinding agent 5～10%, antifriction lubricant 3～5%, elasticity plasticizer 5～8%, bulking agent 30～40%, stable friction factor agent 2.5～5.5%.
The nominal pressure of above-mentioned hot-forming step is 160～180 kilograms every square centimeter; Temperature is 190～200 degrees Celsius, and hot pressing time is counted every millimeters thick 2～2.5 minutes by thickness.
Further, curing schedule comprises: first, and with 160 degrees Celsius of constant temperature maintenances 4 hours; Secondly, temperature rise to 180 degree Celsius constant temperature is kept 4 hours; Again, temperature rise to 200 degree Celsius constant temperature is kept 4 hours; Finally, temperature rise to 230 degree Celsius constant temperature is kept 4 hours.
The FT powder that above-mentioned stable friction factor agent is a kind of import, described FT powder is a kind of bituminous material.
The invention has the beneficial effects as follows: the friction plate that above-mentioned material is made can, under the operating temperature of normal temperature to 350 DEG C, keep the stability of friction factor, makes under any operating mode, and passenger vehicle is engage a gear stably, there will not be clutch jitter phenomenon.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment one: passenger vehicle is followed successively by batching, mix and blend, hot-forming, curing by the preparation method's of clutch friction plate step, it is characterized in that, the proportioning of the each composition of batching step is, binder 35%, strengthening agent 15%, increases grinding agent 5%, antifriction lubricant 3%, elasticity plasticizer 8%, bulking agent 30%, stable friction factor agent 2.5%.
Below the detailed component of above-mentioned preparation is explained.
Above-mentioned binder composition is measured by mass percentage and is comprised nanometer phenolic resin 8%, nitrile butadiene rubber 4%, butadiene-styrene rubber composition 2%.
Above-mentioned strengthening agent composition is measured the composition 3% that comprises Steel Fibre 6%, aramid fibre 1.5%, carbon fiber 3.5%, mineral fibre 8%, red copper fiber 6%, copper fiber 4%, polypropylene fiber 2% and paper fiber by mass percentage.
Above-mentioned increasing grinding agent composition is measured by mass percentage and is comprised that NJF increases grinding agent 1.8%, reducing iron powder 4.5%, iron oxide yellow 2.5% and iron oxide red 0.6% bis-times.
The above antifriction lubricant composition is measured the composition 10.5% that is included as flash of light aluminium powder 2%, zinc powder 2.5%, mica 4% and calcined petroleum coke by mass percentage.
Above-mentioned elasticity plasticizer composition is measured the composition 2.5% that comprises friction powder 4% and red vermiculite by mass percentage.
Above-mentioned stuffing composition is measured by mass percentage and is comprised light magnesium oxide 4.6%, blanc fixe 17% and precipitated calcium carbonate 6%.
The nominal pressure that hot-forming step adopts is 180 kilograms every square centimeter; Temperature is 200 degrees Celsius, and hot pressing time is counted every millimeters thick 2.5 minutes by thickness; Described curing schedule comprises: first, and 160 degree constant temperature 4 hours; Secondly, 180 degree constant temperature 4 hours; Again, 200 degree constant temperature 4 hours; Finally, 230 degree constant temperature 4 hours.
Stable friction factor agent adopts a kind of FT powder of import.
Embodiment two: passenger vehicle is followed successively by batching, mix and blend, hot-forming, curing by the preparation method's of clutch friction plate step, it is characterized in that, the proportioning of the each composition of batching step is, binder 30%, strengthening agent 13%, increases grinding agent 8%, antifriction lubricant 4%, elasticity plasticizer 7%, bulking agent 36%, stable friction factor agent 4%.
Below the detailed component of above-mentioned preparation is explained.
Above-mentioned binder composition is measured by mass percentage and is comprised nanometer phenolic resin 9%, nitrile butadiene rubber 3%, butadiene-styrene rubber composition 1%.
Above-mentioned strengthening agent composition is measured the composition 3% that comprises Steel Fibre 7%, aramid fibre 1.5%, carbon fiber 2.5%, mineral fibre 6%, red copper fiber 6%, copper fiber 4%, polypropylene fiber 2% and paper fiber by mass percentage.
Above-mentioned increasing grinding agent composition is measured by mass percentage and is comprised that NJF increases grinding agent 2.2%, reducing iron powder 4.5%, iron oxide yellow 2.5% and iron oxide red 0.6% bis-times.
The above antifriction lubricant composition is measured the composition 10.5% that is included as flash of light aluminium powder 2%, zinc powder 2.5%, mica 3% and calcined petroleum coke by mass percentage.
Above-mentioned elasticity plasticizer composition is measured the composition 2.5% that comprises friction powder 4% and red vermiculite by mass percentage.
Above-mentioned stuffing composition is measured by mass percentage and is comprised light magnesium oxide 4.6%, blanc fixe 17% and precipitated calcium carbonate 6%.
The nominal pressure that hot-forming step adopts is 170 kilograms every square centimeter; Temperature is 195 degrees Celsius, and hot pressing time is counted every millimeters thick 2.3 minutes by thickness.
Curing schedule comprises: first, and 160 degree constant temperature 4 hours; Secondly, 180 degree constant temperature 4 hours; Again, 200 degree constant temperature 4 hours; Finally, 230 degree constant temperature 4 hours.
Stable friction factor agent adopts a kind of FT powder of import.
Embodiment three: passenger vehicle is followed successively by batching, mix and blend, hot-forming, curing by the preparation method's of clutch friction plate step, it is characterized in that, the proportioning of the each composition of described batching step is, binder 25%, strengthening agent 10%, increases grinding agent 10%, antifriction lubricant 5%, elasticity plasticizer 5%, bulking agent 40%, stable friction factor agent 5.5%.
Below the detailed component of above-mentioned preparation is explained.
Above-mentioned binder composition is measured by mass percentage and is comprised nanometer phenolic resin 11%, nitrile butadiene rubber 2%, butadiene-styrene rubber composition 1%.
Above-mentioned strengthening agent composition is measured the composition 3% that comprises Steel Fibre 7%, aramid fibre 0.5%, carbon fiber 3%, mineral fibre 7%, red copper fiber 5%, copper fiber 2%, polypropylene fiber 2% and paper fiber by mass percentage.
Above-mentioned increasing grinding agent composition is measured by mass percentage and is comprised that NJF increases grinding agent 2.2%, reducing iron powder 3.5%, iron oxide yellow 2.5% and iron oxide red 0.5% bis-times.
The above antifriction lubricant composition is measured the composition 10% that is included as flash of light aluminium powder 3%, zinc powder 1%, mica 3.5% and calcined petroleum coke by mass percentage.
Above-mentioned elasticity plasticizer composition is measured the composition 1.5% that comprises friction powder 4% and red vermiculite by mass percentage.
Above-mentioned stuffing composition is measured by mass percentage and is comprised light magnesium oxide 4.5%, blanc fixe 16% and precipitated calcium carbonate 6%.
The nominal pressure of hot-forming step is 160 kilograms every square centimeter; Temperature is 190 degrees Celsius, and hot pressing time is counted every millimeters thick 2 minutes by thickness.
Curing schedule comprises: first, and 160 degree constant temperature 4 hours; Secondly, 180 degree constant temperature 4 hours; Again, 200 degree constant temperature 4 hours; Finally, 230 degree constant temperature 4 hours.
Stable friction factor agent adopts a kind of FT powder of import.
Through test, the friction plate that adopts the above embodiments to make is respectively 0.36,0.34,0.34,0.34,0.33,0.30 at the friction factor of 100 degrees Celsius, 150 degrees Celsius, 200 degrees Celsius, 250 degrees Celsius, 300 degrees Celsius, 350 degrees Celsius.
Claims (2)
1. the preparation method of clutch friction plate for passenger vehicle, described preparation method's step is followed successively by batching, mix and blend, hot-forming, curing, it is characterized in that, the proportioning of the each composition of described batching step is, binder 25～35%, strengthening agent 10～15%, increases grinding agent 5～10%, antifriction lubricant 3～5%, elasticity plasticizer 5～8%, bulking agent 30～40%, stable friction factor agent 2.5～5.5%;
The nominal pressure of described hot-forming step is 160～180 kilograms every square centimeter; Temperature is 190-200 degree Celsius, and hot pressing time is counted every millimeters thick 2～2.5 minutes by thickness;
Described curing schedule comprises: first, be warming up to 160 degrees Celsius of constant temperature and keep 4 hours; Secondly, being warming up to 180 degrees Celsius of constant temperature keeps 4 hours; Again, being warming up to 200 degrees Celsius of constant temperature keeps 4 hours; Finally, being warming up to 230 degrees Celsius of constant temperature keeps 4 hours.
2. the preparation method of clutch friction plate for passenger vehicle according to claim 1, is characterized in that the FT powder that described stable friction factor agent is a kind of import.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410189552.1A CN103939512A (en) | 2014-05-07 | 2014-05-07 | Preparing method for clutch friction plate for passenger car |
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| CN201410189552.1A CN103939512A (en) | 2014-05-07 | 2014-05-07 | Preparing method for clutch friction plate for passenger car |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829888A (en) * | 2015-05-08 | 2015-08-12 | 南通万达摩擦材料有限公司 | Oil-resistant paper-base friction plate and production method thereof |
| CN107489705A (en) * | 2017-08-22 | 2017-12-19 | 南通万达摩擦材料有限公司 | A kind of composite material automobile clutch apparatus |
| CN109722224A (en) * | 2017-10-31 | 2019-05-07 | 丹阳市金长汽车部件有限公司 | A kind of brake block of low noise |
| CN110118233A (en) * | 2019-03-28 | 2019-08-13 | 南通万达摩擦材料有限公司 | A kind of Wear-resisting clutch friction plate and its preparation process |
| CN110206838A (en) * | 2019-03-28 | 2019-09-06 | 南通万达摩擦材料有限公司 | A kind of preparation method of clutch surface friction material |
| CN113508244A (en) * | 2019-03-13 | 2021-10-15 | 米巴摩擦技术有限公司 | Friction structure component |
| CN114962510A (en) * | 2022-06-07 | 2022-08-30 | 枣阳风神摩擦材料有限公司 | Drum type friction plate and preparation method thereof |
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| JP2004137305A (en) * | 2002-10-15 | 2004-05-13 | Toyota Central Res & Dev Lab Inc | Wet friction material and method for producing the same |
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| CN103352943A (en) * | 2013-06-05 | 2013-10-16 | 安徽宝途汽车零部件有限公司 | Friction material and automobile friction plate |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004137305A (en) * | 2002-10-15 | 2004-05-13 | Toyota Central Res & Dev Lab Inc | Wet friction material and method for producing the same |
| KR20060016148A (en) * | 2004-08-17 | 2006-02-22 | 한국철도기술연구원 | A high-friction brake shoe for railway cars and the manufacturing method therefore |
| JP2008195847A (en) * | 2007-02-14 | 2008-08-28 | Institute Of National Colleges Of Technology Japan | Carbon-metal composite material and method for producing the same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829888A (en) * | 2015-05-08 | 2015-08-12 | 南通万达摩擦材料有限公司 | Oil-resistant paper-base friction plate and production method thereof |
| CN107489705A (en) * | 2017-08-22 | 2017-12-19 | 南通万达摩擦材料有限公司 | A kind of composite material automobile clutch apparatus |
| CN109722224A (en) * | 2017-10-31 | 2019-05-07 | 丹阳市金长汽车部件有限公司 | A kind of brake block of low noise |
| CN113508244A (en) * | 2019-03-13 | 2021-10-15 | 米巴摩擦技术有限公司 | Friction structure component |
| CN113508244B (en) * | 2019-03-13 | 2023-09-29 | 米巴摩擦技术有限公司 | Friction structure assembly |
| CN110118233A (en) * | 2019-03-28 | 2019-08-13 | 南通万达摩擦材料有限公司 | A kind of Wear-resisting clutch friction plate and its preparation process |
| CN110206838A (en) * | 2019-03-28 | 2019-09-06 | 南通万达摩擦材料有限公司 | A kind of preparation method of clutch surface friction material |
| CN114962510A (en) * | 2022-06-07 | 2022-08-30 | 枣阳风神摩擦材料有限公司 | Drum type friction plate and preparation method thereof |
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Application publication date: 20140723 |