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Car brake pad doped with aloe fiber powder and manufacturing method of brake pad

A technology of aloe vera fiber and brake pads, which is applied in the direction of chemical instruments and methods, friction linings, mechanical equipment, etc., can solve the problems that affect the uniformity of mixing, the strength and stability of brake pads, and cannot be effectively solved, so as to maintain stability, The effect of increasing the coefficient of friction and increasing the heat decay temperature

Active Publication Date: 2015-03-11
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For example, the publication number is CN 103423345 A disclosed a kind of automobile brake pad mixed with bamboo fiber, adding natural bamboo fiber in the brake pad formula, utilizing bamboo fiber as a Renewable resources, and can be naturally degraded, the decomposition products are non-toxic and harmless, and have excellent friction performance, which can effectively reduce the noise and vibration of the brake pads during the braking process, and are environmentally friendly. However, the fibers generate static electricity and agglomerates during high-speed stirring , affecting the uniformity of mixing and the strength and stability of brake pads, etc., still cannot be effectively solved

Method used

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  • Car brake pad doped with aloe fiber powder and manufacturing method of brake pad
  • Car brake pad doped with aloe fiber powder and manufacturing method of brake pad

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Example 1: At first select the raw material of following each component by weight part:

[0077] 10 parts of dewaxed aloe fiber powder;

[0078] Cashew nut shell oil modified phenolic resin 6 parts;

[0079] 6 parts of nitrile rubber powder;

[0080] 5 parts of graphite;

[0081] 5 parts of coke;

[0082] 2 parts of antimony trisulfide;

[0083] Aluminum oxide 1 part;

[0084] 20 parts of calcium carbonate;

[0085] 5 parts feldspar powder;

[0086] 2 parts fine iron ore powder;

[0087] Chromite powder 3 parts.

[0088] Put each raw material into a high-speed mixer with a stirring speed of 650r / min until the raw materials are evenly stirred; using the hot pressing process, pour the mixed raw materials into a mold, and press and solidify them on a hot press machine. The pressure setting is 30MPa, the hot-pressing temperature is 150°C, and the hot-pressing time is 10min; the hot-pressed brake pads are sent to a holding furnace for heat treatment, the furnace te...

Embodiment 2

[0089] Example 2: At first select the raw material of following each component by weight part:

[0090] 30 parts of dewaxed aloe fiber powder;

[0091] Cashew nut shell oil modified phenolic resin 12 parts;

[0092] 12 parts of nitrile rubber powder;

[0093] 10 parts of graphite;

[0094] 7 parts of coke;

[0095] 5 parts of antimony trisulfide;

[0096] 3 parts of aluminum oxide;

[0097] 40 parts of calcium carbonate;

[0098] 10 parts of feldspar powder;

[0099] 5 parts of fine iron ore powder;

[0100] Chromite powder 5 parts.

[0101] Put each raw material into a high-speed mixer with a stirring speed of 700r / min until the raw materials are evenly stirred; using the hot pressing process, pour the mixed raw materials into a mold, and heat and solidify them on a hot press machine. The pressure setting is 50MPa, the hot-pressing temperature is 170°C, and the hot-pressing time is 15min; the hot-pressed brake pads are sent to a holding furnace for heat treatment, ...

Embodiment 3

[0102] Example 3: At first select the raw material of following each component by weight part:

[0103]20 parts of dewaxed aloe fiber powder;

[0104] Cashew nut shell oil modified phenolic resin 9 parts;

[0105] 9 parts of nitrile rubber powder;

[0106] 8 parts graphite;

[0107] 6 parts of coke;

[0108] 3 parts of antimony trisulfide;

[0109] Aluminum oxide 2 parts;

[0110] 30 parts of calcium carbonate;

[0111] 8 parts feldspar powder;

[0112] 4 parts fine iron ore powder;

[0113] 4 parts of chromite powder.

[0114] Put each raw material into a high-speed mixer with a stirring speed of 680r / min until the raw materials are evenly stirred; using the hot pressing process, pour the mixed raw materials into a mold, and heat and solidify them on the hot press. The pressure setting is 40MPa, the hot-pressing temperature is 160°C, and the hot-pressing time is 12min; the hot-pressed brake pads are sent to a holding furnace for heat treatment, the furnace temperat...

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Abstract

The invention discloses a car brake pad doped with aloe fiber powder. The car brake pad comprises, by weight, 10 parts to 30 parts of dewaxing aloe fiber powder, 6 parts to 12 parts of cashew nut shell oil modified phenolic resin, 6 parts to 12 parts of butadiene-acrylonitrile rubber powder, 13 parts to 25 parts of conditioning agents and 30 parts to 60 parts of filling agents. According to the invention, the aloe fiber powder is used as a reinforcing material and can be well bonded with phenolic resin and padding; aloe fibers can be directly carbonized at the temperature of about 300 DEG C, and an internal structure of friction materials cannot be damaged, so that friction performance is kept stable, and the performance of braking can be greatly improved. When friction heating reaches a certain degree, substances formed by decomposing friction material surfaces can form a layer of even and tough carbonized membrane which is not prone to falling off, so that relative stability of friction coefficients can be ensured to the greatest extent, and meanwhile, heat fading temperature of the materials can be improved to a certain degree.

Description

technical field [0001] The invention relates to the technical field of a friction material for car braking, in particular to a car brake pad mixed with aloe fiber powder and a preparation method thereof. Background technique [0002] Friction material is a kind of material that realizes the transmission, braking, speed control and steering of mechanical equipment by using the friction force generated between it and its counterpart. It is widely used in braking and transmission devices of various vehicles and mechanical equipment Among them, it is one of the most important functional materials of various power machinery, and its performance is directly related to the reliability of the machine and the safety of people's lives. Automobile friction material is the main application field of friction material, which mainly includes two categories: clutch face and brake pad. The automobile industry is the main pillar industry in my country and the world, and with the development ...

Claims

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Application Information

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IPC IPC(8): F16D69/00C09K3/14
Inventor 王占红周青青侯贵华何文平王雨新
Owner YANCHENG INST OF TECH
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