Wear-resistant and low-noise automobile brake pad and preparation method thereof

A brake pad and low-noise technology, which is applied in the field of wear-resistant and low-noise automobile brake pads and its preparation, can solve the problems of poor wear resistance of friction materials, poor wear resistance, and large noise pollution, and improve the transmission path , increase the degree of absorption, the effect of low noise volume

Active Publication Date: 2020-03-20
HANGZHOU POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wear resistance of this patent is not good, and the noise pollution is relatively large
[0004] Chinese patent CN104109342A discloses a low-noise, heat-fading resistant resin-based friction material, the material is composed of nano-alumina phenolic resin, aramid pulp, mineral fiber, graphite, antimony trisulfide, coke, alumina , iron oxide, cashew nut oil friction powder, expanded vermiculite, diatomaceous earth, nitrile rubber and barium sulfate. The present invention combines nano-alumina modified phenolic resin to stabilize the friction coefficient, and adds coke, expanded vermiculite, diatomite and Nitrile rubber reduces noise, and aramid pulp and mineral fiber are used as reinforcing materials to improve the wear resistance and thermal decay resistance of the friction material, but the friction material prepared by this invention has poor wear resistance

Method used

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  • Wear-resistant and low-noise automobile brake pad and preparation method thereof
  • Wear-resistant and low-noise automobile brake pad and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Wear-resistant and low-noise automobile brake pad and preparation method thereof

[0030] The raw material composition of the metal skeleton: 18kg of brass powder, 8kg of nitrile rubber powder, 4kg of foam iron powder and 3kg of graphite powder;

[0031] The raw material composition of the modified filler: boron phenolic resin 20kg, glass fiber 8kg, steel wool 10kg, silicon carbide 3kg, silane coupling agent 3kg, modified natural ore 10kg and titanium dioxide 1.2kg.

[0032] Modified natural ore is prepared by the following method:

[0033] a. Weigh the raw materials for preparing the modified natural ore in the following parts by weight: 3 parts of coal gangue, 3 parts of sepiolite and 5 parts of diatomite;

[0034] b. put coal gangue, sepiolite and diatomaceous earth into a grinder and grind for 1.5 hours to obtain natural ore powder;

[0035] c. Calcining the natural ore powder at 570° C. for 3.5 hours, cooling to room temperature, putting it into 10 wt % hydrochlo...

Embodiment 2

[0041] Wear-resistant and low-noise automobile brake pad and preparation method thereof

[0042] The raw material composition of the metal skeleton: 10kg of brass powder, 10kg of nitrile rubber powder, 3kg of foam iron powder and 1kg of graphite powder;

[0043] The raw material composition of the modified filler: boron phenolic resin 15kg, glass fiber 10kg, steel wool 5kg, silicon carbide 5kg, silane coupling agent 5kg, modified natural ore 5kg and titanium dioxide 2kg.

[0044] Modified natural ore is prepared by the following method:

[0045] a. Weigh the raw materials for preparing the modified natural ore in the following parts by weight: 4 parts of coal gangue, 1 part of sepiolite and 3 parts of diatomite;

[0046] b. put coal gangue, sepiolite and diatomaceous earth into a grinder and grind for 1.0 hour to obtain natural ore powder;

[0047] c. Calcining the natural ore powder at 550°C for 4 hours, cooling to room temperature, putting it into 12wt% hydrochloric acid sol...

Embodiment 3

[0053] Wear-resistant and low-noise automobile brake pad and preparation method thereof

[0054] The raw material composition of the metal skeleton: 25kg of brass powder, 5kg of nitrile rubber powder, 5kg of foam iron powder and 4kg of graphite powder;

[0055] The raw material composition of the modified filler: boron phenolic resin 25kg, glass fiber 5kg, steel wool 15kg, silicon carbide 1kg, silane coupling agent 1kg, modified natural ore 6kg and titanium dioxide 0.5kg.

[0056] Modified natural ore is prepared by the following method:

[0057] a. Weigh the raw materials for preparing the modified natural ore in the following parts by weight: 1 part of coal gangue, 5 parts of sepiolite and 1 part of diatomite;

[0058] b. put coal gangue, sepiolite and diatomaceous earth into a grinder and grind for 2.0 hours to obtain natural ore powder;

[0059] c. Calcining the natural ore powder at 600°C for 3.0 hours, cooling to room temperature, putting it into 8wt% hydrochloric acid...

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Abstract

The invention discloses a wear-resistant low-noise automobile brake pad and a manufacturing method thereof. The wear-resistant low-noise automobile brake pad comprises a semimetal framework and modified filler. The semimetal framework is filled with the modified filler. The semimetal framework is prepared from, by weight, 10-25 parts of brass powder, 5-10 parts of nitrile rubber powder, 3-5 partsof foamed iron powder and 1-5 parts of graphite powder. The modified filler is prepared from, by weight, 5-15 parts of boron phenolic resin, 5-10 parts of glass fibers, 5-15 parts of steel wool, 1-5 parts of silicon carbide, 1-5 parts of a silane coupling agent, 5-15 parts of modified natural ore and 0.5-2 parts of titanium dioxide. The wear-resistant low-noise automobile brake pad is good in wearresistance and low in noise and has an obvious noise reduction effect; the manufacturing method is simple, and the manufacturing process is easy to operate; and the wear-resistant low-noise automobile brake pad and the manufacturing method thereof are suitable of large-scale popularization.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a wear-resistant and low-noise automobile brake pad and a preparation method thereof. Background technique [0002] The development of the automobile industry has provided a huge space for the development of automobile friction materials. The requirements of automobile buyers and users for automobiles are mainly safety, durability, comfort and reasonable price. Friction material is a key component for automobile safety, and it can be divided into two categories of transmission and braking friction materials according to their functions. The clutch plate for transmission is to transmit the power generated by the engine to the driving wheels through the bonding and separation of the clutch friction surface in the clutch assembly, so that the vehicle starts to walk. And for the brake pads (divided into disc or drum brake pads) of braking effect, the brake pads are closely...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D69/02B29C43/00B29C43/58
CPCB29C43/003B29C43/58B29C2043/5808B29C2043/5816F16D69/027F16D2200/0008F16D2200/0026F16D2200/0052F16D2200/0065F16D2200/0082
Inventor 罗晓晔
Owner HANGZHOU POLYTECHNIC
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