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Composite friction material, brake lining and brake lining production method

A composite friction material and friction material technology, applied in friction linings, chemical instruments and methods, other chemical processes, etc., can solve the problems of waste of high-quality raw materials and increase material costs, and achieve cost reduction, low requirements, and excellent friction and wear. performance effect

Inactive Publication Date: 2016-02-03
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the same material is used for the entire friction material, it will cause a lot of waste of high-quality raw materials and increase the cost of materials

Method used

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  • Composite friction material, brake lining and brake lining production method

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Embodiment 1

[0038] The composite friction material in this embodiment includes a composite organic friction material layer 3 and a powder metallurgy friction material layer 2 .

[0039] The powder metallurgy friction material layer 2 accounts for 75-80% of the entire thickness.

[0040] The organic friction material layer 3 and the powder metallurgy material layer are connected by means of gluing and hot pressing.

[0041] The powder metallurgy friction material layer 2 has several embedding holes 4 , and a part of the organic friction material layer 3 is embedded in the embedding holes 4 .

Embodiment 2

[0043] The brake pad made of the above-mentioned composite friction material in this embodiment also includes a steel backing plate 1 , and the steel backing plate 1 is connected to the organic friction material layer 3 by means of gluing and hot pressing.

Embodiment 3

[0045] The present embodiment is the manufacture method of above-mentioned brake pad, comprises the following steps:

[0046] 1) The step of preparing powder metallurgy friction material layer 2;

[0047] 2) The surface of the steel back plate 1 is degreased, derusted, and glued, and then placed in a mold, and an organic friction material mixture is added;

[0048] 3) The powder metallurgy friction material layer 2 in step 1) is coated with glue, placed on the mixture in step 2), and hot-pressed to obtain a brake pad blank.

[0049] It also includes the steps of heat treating and machining the brake pad blank.

[0050] In step 1), several embedding holes 4 are drilled on the prepared powder metallurgy friction material layer 2 .

[0051] The steps for preparing powder metallurgy friction material layer 2 are:

[0052] Ingredients mixing: Weigh the raw materials with the following components and mass percentages: 70% iron powder, 5% calcined petroleum coke powder, 2% nickel ...

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Abstract

The present invention discloses a composite friction material, a brake lining and a brake lining production method. The composite friction material is divided into two layers along a thickness direction, wherein one layer uses a powder metallurgy friction material, and the other layer uses an organic friction material. According to the brake lining using the composite friction material, the powder metallurgy friction material layer provides a pairing phase friction effect, and the organic friction material layer mainly provides effects of supporting, vibration buffer and sound absorbing; and the expensive high quality raw material can be eliminated, and the material cost can be reduced.

Description

technical field [0001] The invention relates to a friction material and a method for making a brake pad, in particular to a composite friction material that can be used for disc brakes of heavy vehicles and buses and a method for making brake pads using the material. Background technique [0002] The performance requirements of the friction material: it has a good friction coefficient and wear resistance, and has a certain heat resistance and mechanical strength, which can meet the performance requirements of the transmission and braking of vehicles or machinery. They are widely used in various construction machinery and equipment such as automobiles, trains, airplanes, and oil drilling rigs. At present, the commonly used friction materials are mainly organic friction materials and powder metallurgy friction materials. [0003] Organic friction material is a kind of ternary composite material, which is composed of polymer binder (resin and rubber), fiber reinforcement and f...

Claims

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Application Information

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IPC IPC(8): C09K3/14F16D69/02
Inventor 林荣会孙夕香刘尊民王国元牟瑞涛
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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