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Friction material for automobile clutch and production process of friction material

A technology of friction material and production process, which is applied in the field of clutches, can solve problems such as not being able to meet the use requirements of clutch discs, and achieve the effects of improving high-temperature friction and wear performance, reasonable raw material ratio, and stable operation

Active Publication Date: 2016-05-25
桐城市建设投资发展有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of technology, the existing friction materials are increasingly unable to meet the requirements of the clutch plate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] In an embodiment of the present invention, a friction material for an automobile clutch comprises raw materials in parts by weight: 1 part of polyvinyl butyral, 45 parts of acetone, 5 parts of natural cellulose fiber, 45 parts of methyl methacrylate, 30 parts of phenolic resin, 5 parts of graphite, 3 parts of zinc oxide powder, 3 parts of asphalt, 1 part of diatomaceous earth, 1 part of potassium silicate, 5 parts of calcium silicate ceramic powder, and 1 part of talcum powder.

[0019] The production process of the friction material for the automobile clutch comprises the following steps:

[0020] (1) Mix polyvinyl butyral, phenolic resin, acetone, and methyl methacrylate, add deionized water that is 18 times the weight of the mixture, stir evenly, and put it into the reaction kettle. Heated for 15 hours, cooled to room temperature, and heated at 170° C. for 40 hours. The product was washed with deionized water to obtain mixture A.

[0021] (2) Mix and stir natural ce...

Embodiment 2

[0024] In an embodiment of the present invention, a friction material for an automobile clutch includes raw materials in parts by weight: 5 parts of polyvinyl butyral, 65 parts of acetone, 10 parts of natural cellulose fiber, 65 parts of methyl methacrylate, 40 parts of phenolic resin, 12 parts of graphite, 10 parts of zinc oxide powder, 10 parts of asphalt, 5 parts of diatomaceous earth, 5 parts of potassium silicate, 10 parts of calcium silicate ceramic powder, and 8 parts of talcum powder.

[0025] The production process of the friction material for the automobile clutch comprises the following steps:

[0026] (1) Mix polyvinyl butyral, phenolic resin, acetone, and methyl methacrylate, add deionized water 28 times the weight of the mixture, stir evenly, and put it into the reaction kettle. Heated for 16 hours, cooled to room temperature, and heated at 220°C for 48 hours. The product was washed with deionized water to obtain mixture A.

[0027] (2) Mix and stir natural cell...

Embodiment 3

[0030] In an embodiment of the present invention, a friction material for an automobile clutch includes raw materials in parts by weight: 2 parts of polyvinyl butyral, 50 parts of acetone, 6 parts of natural cellulose fiber, 50 parts of methyl methacrylate, 35 parts of phenolic resin, 8 parts of graphite, 5 parts of zinc oxide powder, 4 parts of asphalt, 2 parts of diatomaceous earth, 2 parts of potassium silicate, 6 parts of calcium silicate ceramic powder, and 3 parts of talcum powder.

[0031] The production process of the friction material for the automobile clutch comprises the following steps:

[0032] (1) Mix polyvinyl butyral, phenolic resin, acetone, and methyl methacrylate, add deionized water 20 times the weight of the mixture, stir evenly, and put it into the reaction kettle. Heated for 15 hours, cooled to room temperature, and heated at 180° C. for 40 hours. The product was washed with deionized water to obtain mixture A.

[0033] (2) Mix and stir natural cellulo...

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Abstract

The invention discloses a friction material for an automobile clutch and a production process of the friction material. The friction material is prepared from, by weight, 1-5 parts of polyvinyl butyral, 45-65 parts of acetone, 5-10 parts of native cellulose fiber, 45-65 parts of methyl methacrylate, 30-40 parts of phenolic resin, 5-12 parts of graphite, 3-10 parts of zinc oxide powder, 3-10 parts of asphalt, 1-5 parts of kieselguhr, 1-5 parts of potassium metasilicate, 5-10 parts of calcium silicate ceramic powder and 1-8 parts of talcum powder. Polyvinyl butyral, phenolic resin, acetone and methyl methacrylate are mixed, and deionized water is added for thermal treatment to obtain a mixture A; native cellulose fiber, graphite, zinc oxide powder, asphalt, kieselguhr, potassium metasilicate, calcium silicate ceramic powder and talcum powder are mixed, the mixture A is added to be mixed, and the friction material is obtained through discharging, pressure filtering, vacuum drying, melt extruding, cooling, granulating and drying. The high temperature friction and abrasion performance is improved, the abrasion rate is decreased, work is stable, noise does not exist, and the power transmitting efficiency is high.

Description

technical field [0001] The invention relates to the technical field of clutches, in particular to a friction material for an automobile clutch and a production process thereof. Background technique [0002] The clutch is installed between the engine and the transmission, and is an assembly directly connected with the engine in the car drive train. Usually, the clutch is installed together with the flywheel set of the engine crankshaft, which is the part that cuts off and transmits power between the engine and the vehicle transmission system. During the whole process of the car from starting to normal driving, the driver can manipulate the clutch as needed to temporarily separate or gradually engage the engine and drive train to cut off or transfer the power output from the engine to the drive train. Its function is to make the engine and the transmission gradually engage, so as to ensure the smooth start of the car; temporarily cut off the connection between the engine and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/08C08L1/02C08L95/00C08K3/00C08K3/04C08K3/22C08K3/36C08F283/00C08F220/14C09K3/14
CPCC08F283/00C08L51/08C08L2205/03C08L2205/035C08L2205/16C09K3/149C08L1/02C08L95/00C08K3/00C08K3/04C08K2003/2296C08K3/36C08F220/14
Inventor 陈瑾玮
Owner 桐城市建设投资发展有限责任公司