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Automobile brake lining

A technology for automobile braking and brake lining, which is applied in the direction of brake parts, other chemical processes, chemical instruments and methods, etc., can solve the problem of high braking noise, poor wear resistance and heat dissipation performance of friction brake linings , unstable friction coefficient, etc., to achieve moderate hardness, good economic and social benefits, and avoid recession and expansion.

Inactive Publication Date: 2015-12-30
刘桂华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the above technical problems and proposes a method to solve the technical problems of existing friction brake linings such as high braking noise, unstable friction coefficient, low strength, poor wear resistance and heat dissipation performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: ceramic fiber 16.5%, carbon fiber 5%, cellulose fiber 3.5%, aramid fiber 13%, modified phenolic resin 9%, aluminum oxide 2%, barium sulfide 3%, graphite 6%, 5% of zircon, 12% of quartz sand, 1.5% of bauxite, 1.5% of zinc oxide, 3.5% of nitrile rubber, 1.5% of antimony sulfide, 8% of friction powder, and 9% of nano-silicon carbide are put into the high-speed disperser, Stir it into powder, take it out, put it into the forming mold, and press it into the mold, then put it into the flat vulcanizing machine at a high temperature of 270°C and a pressure of 20-23MPa, keep it for 20 minutes, then take out the brake pads and remove the burrs That is, it becomes a finished product.

Embodiment 2

[0013] Embodiment 2: ceramic fiber 18%, carbon fiber 4%, cellulose fiber 7%, aramid fiber 9%, modified phenolic resin 12%, aluminum oxide 3%, barium sulfide 4%, graphite 7%, Put 5% zircon, 10% quartz sand, 1% bauxite, 1% zinc oxide, 2% nitrile rubber, 2% antimony sulfide, 9% friction powder, and 6% nano-silicon carbide into the high-speed disperser, Stir it into powder, take it out, put it into the forming mold, and press it into the mold, then put it into the flat vulcanizing machine at a high temperature of 270°C and a pressure of 20-23MPa, keep it for 20 minutes, then take out the brake pads and remove the burrs That is, it becomes a finished product.

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PUM

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Abstract

An automobile brake lining is prepared from, by weight, 14%-18% of ceramic fibers, 3%-6% of carbon fibers, 3%-7% of cellulose fibers, 8%-13% of aramid fibers, 8%-13% of modified phenolic resin, 2%-4% of aluminium oxide, 3%-5% of barium sulphide, 6%-9% of graphite, 4%-6% of zirconite, 8%-12% of quartz sand, 1%-2% of bauxite, 1%-2% of zinc oxide, 2%-4% of chemigum, 1%-4% of antimony sulfide, 7%-10% of friction powder and 6%-9% of nanometer silicon carbide. According to the automobile brake lining, a ceramic brake pad is kept to be stable in braking, low in noise and the like, the mechanical strength of the brake lining is further improved, and the service life of the brake lining is prolonged; meanwhile, recession and expansion of the high temperature can be avoided, and the automobile brake lining has the advantages of being good in braking performance and abrasion resistance, stable in braking, less in dust, moderate in hardness and good in high temperature recovery performance.

Description

technical field [0001] The invention belongs to the field of automobile brake linings, and in particular relates to a friction material composition for automobile brake linings. Background technique [0002] Brake linings are also called brake pads. In the car braking system, brake linings are one of the most critical safety parts, which play a decisive role in the performance of car braking. Traditional automobile brake pads are asbestos-type brake pads. However, asbestos is a carcinogen that is extremely harmful to the human body. In addition, asbestos has strong heat insulation performance, and its ability to transfer heat is very poor. After multiple brakes, its heat cannot be timely The emission will lead to a decrease in the performance of the braking system, which will bring a very large safety hazard to the driving of motor vehicles. Asbestos has been gradually eliminated and used. [0003] With the rapid development of science and technology and people's higher and...

Claims

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Application Information

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IPC IPC(8): F16D65/04C09K3/14
Inventor 刘桂华
Owner 刘桂华
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