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Energy-saving biodegradable fiber brake shoe and wet rolling production technique thereof

A technology for degrading fibers and brake shoes, applied to friction linings, mechanical equipment, etc., can solve the problems of many molds, increase manufacturing costs, and easy generation of dust, achieve uniform friction materials, reduce use costs, and improve production efficiency Effect

Active Publication Date: 2010-10-27
YANTAI WINHERE AUTO PART MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) Manual direct feeding is prone to inhomogeneity of the friction material, which affects the yield, the stability of the friction coefficient and the service life of the friction material
The waste products that appear cannot be recycled, which greatly wastes raw materials and increases manufacturing costs
[0004] (2) The hot pressing method requires many molds for processing friction materials, basically one model and one mold, which wastes energy and low production efficiency
[0005] (3) Electric heating is used in the hot pressing process, which is easy to produce harmful gases and cause air pollution
It is easy to generate dust and cause dust pollution during the mixing process
[0006] (4) The finished product rate of the brake shoe friction material produced by the hot pressing method is low, the material hardness is large, the standard deviation is large, the material uniformity is poor, it is not wear-resistant, the service life is short, the porosity is low, and it is easy to generate braking noise and cause Noise pollution, unsafe and uncomfortable braking

Method used

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  • Energy-saving biodegradable fiber brake shoe and wet rolling production technique thereof
  • Energy-saving biodegradable fiber brake shoe and wet rolling production technique thereof
  • Energy-saving biodegradable fiber brake shoe and wet rolling production technique thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Recipe 1:

[0040] The brake shoe includes a shoe and a friction material bonded on the shoe, and the friction material is composed of the following components by weight: 13 parts of liquid resin, 5 parts of nitrile rubber powder, 3 parts of hexamethylenetetramine, 2 parts of sulfur, 20 parts of mineral fiber, 25 parts of steel fiber, 5 parts of organic fiber, 8 parts of artificial graphite, 8 parts of red iron oxide, 3 parts of wollastonite powder, 4 parts of petroleum coke, and 4 parts of calcium carbonate.

[0041] The process flow using recipe 1 is:

[0042] (1) Batching process: According to the ratio of the formula, the PCS-18 automatic batching system is used for batching to form a prepared dry ingredient. The batching system is fully controlled by the computer. After the batching is completed, the liquid resin will flow into a closed container of the mixer, and the valve will be opened by manual control, so that the liquid resin can flow into the mixer.

[004...

Embodiment 2

[0056] Recipe 2:

[0057] The brake shoe includes a shoe and a friction material bonded on the shoe, and its friction material is composed of the following components by weight: 14 parts of liquid resin, 5 parts of nitrile rubber powder, 3 parts of hexamethylenetetramine, 3 parts of sulfur, 20 parts of mineral fiber, 20 parts of steel fiber, 5 parts of organic fiber, 9 parts of artificial graphite, 9 parts of red iron oxide, 5 parts of wollastonite powder, 5 parts of petroleum coke, and 2 parts of calcium carbonate.

[0058] The process flow using recipe 2 is:

[0059] (1) Batching process: According to the ratio of the formula, the PCS-18 automatic batching system is used for batching, and the batching system is fully controlled by the computer. After the batching is completed, the liquid resin will flow into a closed container of the mixer, and the valve will be opened manually to allow the liquid resin to flow into the mixer;

[0060] (2) Mixing process: first pour the pr...

Embodiment 3

[0072] Recipe 3:

[0073] The brake shoe includes a shoe and a friction material bonded on the shoe, and its friction material is composed of the following components by weight: 14 parts of liquid resin, 6 parts of nitrile rubber powder, 4 parts of hexamethylenetetramine, 4 parts of sulfur, 16 parts of mineral fiber, 20 parts of steel fiber, 4 parts of organic fiber, 7 parts of artificial graphite, 7 parts of red iron oxide, 4 parts of wollastonite powder, 6 parts of petroleum coke, and 8 parts of calcium carbonate.

[0074] The process flow using recipe 3 is:

[0075] (1) Batching process: According to the ratio of the formula, the PCS-18 automatic batching system is used for batching, and the batching system is fully controlled by the computer. After the batching is completed, the liquid resin will flow into a closed container of the mixer, and the valve will be opened by manual control, so that the liquid resin can flow into the mixer.

[0076] (2) Mixing process: first p...

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PUM

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Abstract

The invention discloses an energy-saving biodegradable fiber brake shoe and a wet rolling production technique thereof. The brake shoe consists of the following compositions according to portions by weight: 18 portions to 20 portions of binders, 5 portions to 8 portions of catalysts, 40 portions to 50 portions of reinforced fibers and 25 portions to 35 portions of regulators with friction performance, wherein the binders comprise cashew nut shell oil liquid resin modified by rubber and acrylonitrile-butadiene rubber powder; the catalysts comprise sulfur and hexamine; the reinforced fibers comprise mineral fibers, steel fibers and organic fibers; and the regulators with friction performance comprise artificial graphite, petrol coke, wollastonite in powder, calcium carbonate and iron oxide red. The production technique comprises the steps of mixing, stirring, grinding, crushing, rolling, determining length, arc heat treatment, polishing inner arc, gelatinizing, cementing and curing and polishing outer arc. The energy-saving biodegradable fiber brake shoe has the advantages of being energy-saving and environment-friendly, having excellent flexibility, workability and stability at hightemperature, even material, wearability, long service life, high porosity and production efficiency, no noise production and the like.

Description

technical field [0001] The invention relates to the technical field of car brake material manufacturing, in particular to an energy-saving biodegradable fiber brake shoe and a wet rolling production process thereof. Background technique [0002] Existing brake shoes for cars are bonded by friction materials produced by hot pressing and shoe irons, and the disadvantages of them are: [0003] (1) Manual direct feeding is prone to inhomogeneity of the friction material, thus affecting the yield, the stability of the friction coefficient and the service life of the friction material. The waste products that occur cannot be recycled, which greatly wastes raw materials and increases manufacturing costs. [0004] (2) The hot pressing method requires many molds for processing friction materials, basically one model and one mold, which wastes energy and reduces production efficiency. [0005] (3) Electric heating is used in the hot pressing process, which is easy to generate harmfu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D69/02
Inventor 韩永春
Owner YANTAI WINHERE AUTO PART MFG
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