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Fire-resistant micro-metal brake pad

A technology of brake pads and high temperature resistance, applied in the field of automobile brake pads, can solve the problems of large damage to brake drums or brake discs, easy corrosion of semi-metallic brake pads, high thermal conductivity, etc. Slow heating and good comfort performance

Active Publication Date: 2009-10-14
摩擦一号制动科技(仙桃)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention mainly solves the technical problems of existing semi-metallic brake pads such as easy corrosion, high noise during braking, high thermal conductivity, and relatively large damage to brake drums or brake discs.

Method used

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  • Fire-resistant micro-metal brake pad

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Put wollastonite fiber 10% and E glass short fiber 9% into an oven by weight percentage, heat at 350 ° C for 15 minutes, then pour it into a high-speed disperser, and then according to the weight ratio to the above mixture is Pour the aqueous solution of KH-550 silane coupling agent (γ-aminopropyltriethoxysilane) with a mass concentration of 1.0% into a high-speed disperser in a ratio of 1:1, control the temperature at 150 ° C, and stir at a high speed for 25 After a few minutes, take out the mixture and dry it for later use.

[0018] Then, by weight percentage, nitrile rubber powder (100-150 mesh) 2%, tire powder (60-80 mesh) 6%, expanded graphite 3%, ultrafine iron oxide powder 8%, chromite powder (300-350 mesh) 3%, magnetite 3%, diatomite 8%, crushed steel fiber 6%, viscose fiber (length 1-2mm) 8%, aluminum silicate hollow sphere 1%, heavy magnesium oxide 3%, Zinc stearate 0.5%, copper sulfide powder 0.5%, calcined petroleum coke 5%, barite powder (500-60...

Embodiment 2

[0019] Example 2: Put wollastonite fiber 7% and E glass short fiber 6% into an oven by weight percentage, heat at 350 ° C for 20 minutes, then pour it into a high-speed disperser, and then according to the weight ratio to the above mixture is Pour the aqueous solution of KH-550 silane coupling agent (γ-aminopropyltriethoxysilane) with a mass concentration of 0.5% into a high-speed disperser in a ratio of 1:1, control the temperature at 180 ° C, and stir at a high speed for 20 After a few minutes, take out the mixture and dry it for later use.

[0020] Then, by weight percentage, nitrile rubber powder (100-150 mesh) 4%, tire powder (60-80 mesh) 3%, expanded graphite 5%, ultrafine iron oxide powder 4%, chromite powder (300-350 mesh) 6%, magnetite 5%, diatomite 5%, crushed steel fiber 9%, viscose fiber (length 1-2mm) 12%, aluminum silicate hollow sphere 0.5%, heavy magnesium oxide 2%, Zinc stearate 0.3%, copper sulfide powder 0.5%, calcined petroleum coke 3%, barite powder (500-...

Embodiment 3

[0021] Example 3: Put wollastonite fiber 8% and E glass short fiber 7% into an oven by weight percentage, heat at 360 ° C for 18 minutes, then pour it into a high-speed disperser, and then according to the weight ratio to the above mixture is Pour the aqueous solution of KH-550 silane coupling agent (γ-aminopropyltriethoxysilane) with a mass concentration of 0.8% into a high-speed disperser at a ratio of 1:1, control the temperature at 160 ° C, and stir at a high speed for 22 After a few minutes, take out the mixture and dry it for later use.

[0022] Then, by weight percentage, nitrile rubber powder (100-150 mesh) 3%, tire powder (60-80 mesh) 5%, expanded graphite 4%, ultrafine iron oxide powder 6%, chromite powder (300-350 mesh) 5%, magnetite 5%, diatomite 7%, crushed steel fiber 7%, viscose fiber (length 1-2mm) 9%, aluminum silicate hollow sphere 0.8%, heavy magnesium oxide 3%, Zinc stearate 0.4%, copper sulfide powder 0.8%, calcined petroleum coke 4%, barite powder (500-6...

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Abstract

A fire-resistant micro-metal brake pad is mainly composed of the following components according to weight percentages: 2-4% of nitrile rubber, 3-6% of tyre powder, 3-5% of expansion graphite, 4-8% of super-fine iron oxide powder, 9-13% of boron containing phenolic resin, 3-6% of chromite, 3-5% of magnetite, 5-8% of diatomite, 6-9% of E glass short fibre, 7-11% of grammite fibre, 6-9% of chopped steel fibre, 8-12% of viscose fibre, 0.5-1% of aluminium silicate hollow ball, 2-3% of heavy magnesia, 0.2-0.5% of zinc stearate, 0.5-1% of copper sulphide, 3-5% of calcined petroleum coke and 10-15% of barite. The material of the invention is environmentally-friendly and rust-less, the heat transmission is slow, the fire and thermal degradation resisting performance is good, and the service life is long. After the invention is used, the brake of the small automobile is sensitive, the brake is stable, no brake scream is generated, and the comfortable performance is good, thereby not damaging the couple plate.

Description

technical field [0001] The invention relates to an automobile brake pad, in particular to a high-temperature-resistant low-metal brake pad. Background technique [0002] At present, the performance of semi-metal brake pads on the domestic market is not very good. They are seriously corroded under the action of moisture, have high noise during braking, have high thermal conductivity, and cause great damage to the brake drum or brake disc. How to make the brakes The disc has high and stable friction coefficient, low wear rate, low noise, low cost and high temperature resistance, which has become the main research direction of the current few metal brake pads. SUMMARY OF THE INVENTION [0003] The invention mainly solves the technical problems that the existing semi-metal brake pads are easy to corrode, the noise during braking is relatively high, the thermal conductivity is too high, and the damage to the brake drum or the brake disc is relatively large. [0004] The above-...

Claims

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Application Information

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IPC IPC(8): F16D69/02C08J5/14
Inventor 张泽伟张自立张泽元傅光明
Owner 摩擦一号制动科技(仙桃)有限公司
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