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A kind of wear-resistant brake pad and preparation method thereof

A brake pad and wear-resistant technology, applied in the field of brake pads, can solve problems such as thermal wear of brake pads, matrix disintegration, and increased wear, and achieve the effects of improving wear resistance, reducing damage, and increasing friction torque

Active Publication Date: 2016-01-20
NINGGUO FEIYING AUTO SPARE PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The terrain in Central America is mountainous and humid, and the life expectancy of the brake pads is relatively high, and it is not sprayed with water during use, resulting in high temperature during braking, and the brake pads are prone to thermal wear, and the high temperature is also easy to decompose the resin, resulting in The matrix disintegrates and the wear increases. How to prepare a brake pad with wear resistance, strong adhesion and long service life has become a technical problem that needs to be solved locally.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A wear-resistant brake pad, the raw materials of which include: 15% modified phenolic resin, 32.4% fiber materials, 49.7% filler materials, 2.9% sulfide, and fiber materials are made of mineral fiber, glass fiber and paper. Fiber composition, sulfide is composed of antimony sulfide, molybdenum disulfide and zinc sulfide;

[0019] In this embodiment, the method for preparing the aforementioned wear-resistant brake pad includes the following steps:

[0020] S1. Weigh modified phenolic resin, fiber materials, filler materials and sulfides according to weight percentage;

[0021] S2. Mix the modified phenolic resin, filler materials and sulfides in S1 uniformly, then add the fiber materials described in S1 and mix them evenly in a rake mixer;

[0022] S3. Put the material obtained in S2 into a hydraulic press for compression, where the compression temperature is 145°C to obtain wear-resistant brake pads.

Embodiment 2

[0024] A wear-resistant brake pad whose raw materials by weight percentages include: 14.8% modified phenolic resin, 30% fiber materials, 52.9% filler materials, 2.3% sulfide, and fiber materials are made of mineral fiber, glass fiber and paper fiber Composition, the sulfide is antimony sulfide;

[0025] In this embodiment, the method for preparing the aforementioned wear-resistant brake pad includes the following steps:

[0026] S1. Weigh modified phenolic resin, fiber materials, filler materials and sulfides according to weight percentage;

[0027] S2. Mix the modified phenolic resin, filler materials and sulfides in S1 evenly, then add the fiber materials described in S1 and mix them evenly in a rake mixer;

[0028] S3. Put the material obtained in S2 into a hydraulic press for compression, where the compression temperature is 148°C to obtain wear-resistant brake pads.

Embodiment 3

[0030] A wear-resistant brake pad whose raw materials include 16.4% modified phenolic resin, 27.6% fiber materials, 54.2% filler materials, 1.8% sulfide, and fiber materials including mineral fiber, glass fiber and paper fiber. , Sulfide is composed of antimony sulfide, molybdenum disulfide and zinc sulfide;

[0031] In this embodiment, the method for preparing the aforementioned wear-resistant brake pad includes the following steps:

[0032] S1. Weigh the modified phenolic resin, fiber materials, filler materials and sulfides according to weight percentages;

[0033] S2. Mix the modified phenolic resin, filler materials and sulfides in S1 evenly, then add the fiber materials described in S1 and mix them evenly in a rake mixer;

[0034] S3. Put the material obtained in S2 into a hydraulic press for compression, where the compression temperature is 151°C to obtain wear-resistant brake pads.

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PUM

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Abstract

The invention discloses a wear-resistant brake pad. The wear-resistant brake pad comprises, by weight, 13-16% of modified phenolic resin, 28-33% of fiber materials, 45-55% of filler materials and 1.5-3% of sulfide, wherein the sulfide is formed by one or more of antimony sulfide, molybdenum disulfide and zinc sulfide, and the fiber materials are formed by one or more of mineral fibers, glass fibers and paper fibers. The invention further discloses a preparation method of the wear-resistant brake pad. According to the wear-resistant brake pad and the preparation method of the wear-resistant brake pad, the wear-resistant brake pad is stable in high-temperature friction coefficient and good in wear resistance, the preparation method is simple, the cost is low, and the wear-resistant brake pad and the preparation method of the wear-resistant brake pad are applicable to mountainous and humid areas of the Central America and the like.

Description

Technical field [0001] The invention relates to the technical field of brake pads, in particular to a wear-resistant brake pad and a preparation method thereof. Background technique [0002] Brake pads are also called brake pads or brake pads. In the brake system of a car, the brake pads are the most critical safety parts, which play a decisive role in the effectiveness of the brake. The brake pads are generally made of steel plates, bonded heat insulation layers and friction Block composition. The friction block is composed of friction material and adhesive. When braking, the friction block is squeezed on the brake disc or brake drum to produce friction, so as to achieve the purpose of slowing down the vehicle. It can be seen that the friction block determines the brake pad to brake at high speed and high temperature. Performance under conditions, friction material is a very important part of the brake pad in the manufacturing process and use process. [0003] The working princi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D69/02C09K3/14C08J5/14
Inventor 孙奇春张逢
Owner NINGGUO FEIYING AUTO SPARE PARTS
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