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Manufacture method of automobile brake pad

A manufacturing method and technology of brake pads, applied in chemical instruments and methods, friction linings, other chemical processes, etc., can solve problems such as unsatisfactory production processes

Active Publication Date: 2012-09-19
JIANGSU ANJIE AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for special brake pads that require high wear resistance, high shock resistance, high temperature resistance, and low noise, this production process cannot meet the above-mentioned high standards.

Method used

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  • Manufacture method of automobile brake pad

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] The ratio of each component in Example 1 is shown in Table 1.

[0075] Name

Proportion

Modified phenolic resin

20％

Steel fiber

12％

Copper fiber

11％

[0076] Kenaf fiber

8％

carbon fiber

15％

Graphite

9％

Barium sulfate

9％

Molybdenum disulfide

3％

Zinc powder

5％

Pyrophyllite

8％

[0077] Table 1

[0078] The manufacturing process of the brake pad of Example 1 is as follows:

[0079] 1. Ingredients: According to the proportion of the formula, the materials are mixed in the automatic batching system, and the friction material (brake pad) automatic batching computer control system is selected. The system can automatically realize the feeding, metering and discharging;

[0080] 2. Mixing: Pour the weighed materials into the mixing machine. The mixing machine adopts a rake mixer, and the mixing time is about 20 minutes;

[0081] 3. After injecting the mixed materials, they are in a flowing gel state. The materials in the gel state are adde...

Embodiment 2

[0088] The ratio of each component in Example 2 is shown in Table 2.

[0089]

[0090] Table 2

[0091] The manufacturing process of the brake pad of Example 2 is as follows:

[0092] 1. Ingredients: According to the proportion of the formula, the materials are mixed in the automatic batching system, and the friction material (brake pad) automatic batching computer control system is selected. The system can automatically realize the feeding, metering and discharging;

[0093] 2. Mixing: Pour the weighed materials into the mixing machine. The mixing machine adopts a rake mixer, and the mixing time is about 20 minutes;

[0094] 3. After injecting the mixed materials, they are in a flowing gel state. The materials in the gel state are added to the injection device and injected into the pressing mold. The injection machine used is a screw rotating injection machine;

[0095] 4. After the pressing mold is filled with the colloidal friction material mixture, use the clamping device to lock the...

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Abstract

The invention discloses a manufacture method of an automobile brake pad, comprising the following steps of: mixing, and filling a friction material into pores of a porous metal material by a vacuum filling method, so that a friction material blank can be formed; injecting, and adding the friction material blank into an injector to inject into a compacting mould, wherein the injector is a screw rod-rotatable injector; compacting the friction material blank in the mould to prepare a friction block blank, wherein in the process of compacting, keeping the hot-press temperature at 148-152DEG C, the hot-press pressure at 23MPa, and keeping the pressure for 5 minutes; cutting the prepared friction block blank into a brake pad friction block according to the required size, and putting the friction block and the steel back in the mould to be compacted and shaped into a brake pad blank; and thermally treating the brake pad blank to prepare the brake pad, wherein the thermal treatment temperature of the thermal treatment technology is 160DEG C, and the thermal treatment time is 2 hours, and cooling along with a furnace.. The manufacture method has the benefit effects that the abrasive resistance and shock resistance of the automobile brake pad can be improved.

Description

Technical field [0001] The invention relates to a manufacturing method of automobile brake pads, in particular to a method of manufacturing automobile brake pads with a porous metal skeleton. Background technique [0002] Traditional brake pad production processes mainly include hot pressing and cold pressing forming processes. The cold pressing method refers to pressing at room temperature to make the high-viscosity solid-liquid mixture flow and shape under pressure, so that the friction material is tightly integrated. The process flow of the cold pressing method is at room temperature, through ingredients, mixing, pressing at room temperature, curing treatment, bonding the steel back to the cold pressing friction material, and then undergoing heat treatment, grinding, painting, printing, and packaging. The hot pressing method refers to weighing the uniformly mixed raw materials and putting them into the forming mold. The mold itself is equipped with a heating device. After hea...

Claims

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Application Information

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IPC IPC(8): F16D69/00F16D69/02C09K3/14B22F3/22B22F3/24
Inventor 卢从生姜宜宽
Owner JIANGSU ANJIE AUTO PARTS
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