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Semimetal brake lining

A technology of brake linings and semi-metals, applied in the direction of friction linings, mechanical equipment, etc., can solve the problems of reducing the quality stability of brake linings, insufficient braking force, and high product hardness, so as to ensure comprehensive performance and environmental benefits , reduce brake thermal jitter, and stabilize the friction coefficient

Active Publication Date: 2013-12-11
ANHUI TATFOOK INTELLIGENT AIR CONDITIONING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, low metal wear has always been a criticism of this brake pad. At the same time, NAO's low-temperature braking performance is not good, and it is prone to problems such as insufficient braking force and cannot be used under severe working conditions.
The main problem of semi-metal is that a large amount of powder materials such as iron powder are used, which may easily cause the product hardness to be too high, so that the NVH in the braking process cannot satisfy customers. Affects braking performance, for example, there is a serious brake judder problem, large damage to the brake drum or brake disc, and greatly reduces the quality stability of the brake lining

Method used

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  • Semimetal brake lining

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Steel wool 79% by weight; boron phenolic resin 2.8%, graphite 4.8%, petroleum coke 1.5%, magnesium oxide 4.1%, barite (500-600 mesh) 3.0%, rubber powder (60-80 mesh) 1.4 % and friction powder 3.4% are put into the mixer and stirred and mixed evenly to form a mixture with moderate particle size and uniform mixing; then pour the powdered material into a heated mold and hot press for molding. The hot pressing time is less than 4min. The temperature is 180-250°C, and finally the hot-pressed product is put into an oven, and it is cured under 300°C within 10 hours to achieve the final performance of the product.

Embodiment 2

[0014] Steel wool 79% by weight; boron phenolic resin 3.5%, graphite 4.2%, petroleum coke 1.8%, magnesium oxide 3.8%, barite (500-600 mesh) 3.0%, rubber powder (60-80 mesh) 1.6 % and friction powder 3.1% are put into the mixer and stirred and mixed evenly to form a mixture with moderate particle size and uniform mixing; then pour the powdered material into a heated mold and hot press for molding. The hot pressing time is less than 4min. The temperature is 180-250°C, and finally the hot-pressed product is put into an oven, and it is cured under 300°C within 10 hours to achieve the final performance of the product.

Embodiment 3

[0016] Steel wool 79.5% by weight; boron phenolic resin 2.5%, graphite 5.2%, petroleum coke 1.5%, magnesium oxide 3.8%, barite (500-600 mesh) 3.0%, rubber powder (60-80 mesh) 1.5% % and friction powder 3.0% are put into the mixer and stirred and mixed evenly to form a mixture with moderate particle size and uniform mixing; then pour the powdered material into a heated mold for hot pressing molding, and the hot pressing time is less than 4 minutes. The temperature is 180-250°C, and finally the hot-pressed product is put into an oven, and it is cured under 300°C within 10 hours to achieve the final performance of the product.

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Abstract

The invention relates to a semimetal brake lining which is mainly manufactured from the following components in percentage by weight: 79%-80% of steel wool, 2.5%-3.5% of resin, 4.8%-5.2% of graphite, 1.5%-1.8% of petroleum coke, 4.1%-4.3% of magnesium oxide, 3.0%-3.1% of barite, 1.4%-1.6% of rubber powder and 3.0%-3.4% of frictional powder. The semimetal brake lining disclosed by the invention is higher in frictional property and high temperature and heat fading resistant property and stable in friction coefficient, can effectively reduce the phenomenon of braking thermal chattering, is suitable for various severe road conditions, is excellent in braking property and low in noise and meets the requirement for environment protection.

Description

technical field [0001] The invention relates to an automobile brake lining, in particular to a semi-metallic brake lining. technical background [0002] Brake lining is an indispensable accessory for automobiles and other motor vehicles. Brakes with good braking performance will greatly improve the braking effect and ensure the safety of passengers' lives and property. It belongs to the safety parts in automobiles and belongs to the national adoption license A product of the access system. At present, it mainly consists of three parts: adhesive materials represented by resin and rubber, reinforcing materials such as steel fiber, copper fiber, mineral fiber, and aramid fiber, and fillers that improve the performance of friction materials, referred to as ternary components. Due to the impact of environmental protection and health, asbestos friction materials have gradually withdrawn from the market stage. At present, the domestic market is mainly based on semi-metallic formu...

Claims

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Application Information

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IPC IPC(8): F16D69/02
Inventor 杨鹏吴鹰
Owner ANHUI TATFOOK INTELLIGENT AIR CONDITIONING TECH CO LTD