Non-asbestos micro-metal mineral fiber disk type brake block for automobile

Abstract

The invention discloses a non-asbestos micro-metal mineral fiber disk type brake block for an automobile. The non-asbestos micro-metal mineral fiber disk type brake block comprises, by weight, 10-20% of cashew nut shell oil modified phenolic resin, 3-8% of powder butadiene-acrylonitrile rubber, 3-8% of fibrous sepiolite, 5-10% of needle-like wollastonite, 15-20% of FKF composite mineral fiber, 5-10% of alumina silicate fiber, 2-6% of paper pulp fiber, 5-10% of cashew nut shell oil friction powder, 5-13% of blanc fixe, 3-15% of crystalline flake graphite, 1-10% of zircon powder, 0.1-0.7% of zinc stearate, 4-7% of chromite ore fines, 1-3% of molybdenum disulfide, 3-6% of expanded vermiculite, 1-5% of calcined coke powder, 1-5% of iron oxide red and 1-6% of rustless iron powder. The production process comprises the steps that the components are pre-mixed and mixed through an automatic mixer, the amount of finally-formed materials is weighted according to the required specification of the disk type brake block, a cold blanket is formed after cooling forming, hot press forming and heat processing are carried out, and the finished product is manufactured through fine machining. The non-asbestos micro-metal mineral fiber automobile disk type brake block has the advantages of being stable in friction abrasion performance, good in mechanical property, excellent in heat recession resisting performance and long in service life.

Description

technical field [0001] The invention belongs to the technical field of automobile brake systems, and in particular relates to a production formula of disc brake pads for automobiles. Background technique [0002] Friction material refers to the functional material that realizes transmission and braking through the friction force (moment) generated when it moves relative to the dual material. It is one of the indispensable accessories for industrial transmission and is widely used in airplanes, trains, automobiles, In the field of bicycles, it is a kind of composite material, which is mainly composed of three parts: binder, reinforcing material and filler. [0003] The reinforcing material in the initial friction material was mainly asbestos. But since the 1960s, people have gradually realized that asbestos has certain dangers to human health. During its mining or production, the fine asbestos fibers are easy to fly in the air and be inhaled into the lungs of people. Peopl...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a production formula and production process of asbestos-free micrometallic mineral fiber automobile disc brake pads, which not only solves the problems of environmental pollution and human health hazards caused by the use of asbestos, but also avoids the use of polymetallic, High-strength fibers lead to high noise and easy rusting of products

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