KR910012569A - Non-asbestos material brake lining and manufacturing method - Google Patents

Abstract

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Description

Non-asbestos material brake lining and manufacturing method

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Claims (10)

Brake lining composed of reinforcing materials, binders, fillers, friction and wear control materials, the constituents of which are composed of 3 to 7% by weight of organic aramid fibers and 10 to 30% by weight of inorganic fibers containing Si, Al and Mg as main components. 10 to 30% by weight of any one or more components selected from thermosetting resins and natural resin powders as binders, 10 to 35% by weight of Ba and Ca compounds as fillers, and as a friction and wear control material A non-asbestos brake lining comprising at least 40% by weight of Mo compound, graphite, copper, metal fiber and rubber powder. The non-asbestos brake lining according to claim 1, wherein the inorganic fibers having Si, Al, and Mg as main components are artificial mineral fibers in which Si, Al, and Mg are present in the form of oxides. The non-asbestos brake lining according to claim 1, wherein the thermosetting resin is a phenolic resin, and the natural resin powder is a rubber powder. The non-asbestos brake lining according to claim 1, wherein the Ba and Ca compounds used as the fillers are BaSo ': Ca (OH) ₂ mixed in an amount of 18 to 30: 1 to 10 moles. The non-asbestos brake lining according to claim 1, wherein the Mo compound contains an S (sulfur) component. In the manufacture of brake lining composed of reinforcing materials, binders, fillers, friction and wear control materials, the raw materials include 3 to 7% by weight of organic aramid fibers as the reinforcing materials and 10 to 30% by weight of inorganic fibers containing Si, Al and Mg as main components. %, 10 to 30% by weight of any one or more components selected from thermosetting resins and natural resin powders as binders, 10 to 35% by weight of Ba and Ca compounds are used as fillers, and Mo and friction control agents are used. 40 to 60% by weight of any one or more of compounds, graphite, copper, metal fibers and rubber powders are used, and the components are mixed uniformly, and then the mixture is heated to a temperature of 130 to 160 ° C. and 100 to 160 kg / cm 2. Method for producing a non-asbestos brake lining, characterized in that the thermoforming by pressure, and heat-treated again to a temperature of 130 ~ 160 ℃. The method of manufacturing a non-asbestos brake lining according to claim 6, wherein as the inorganic fiber containing Si, Al, and Mg as main components, artificial mineral fibers containing Si, Al, and Mg in the form of oxides are used. The method of manufacturing a non-asbestos brake lining according to claim 6, wherein a phenol resin is used as the thermosetting resin, and a rubber powder is used as the natural resin powder. 7. The method for producing non-asbestos brake lining according to claim 6, wherein Ba and Ca compounds used as the filler are a mixture of BaSO ': Ca (OH) 2 in an 18-30: 1-10 molar ratio. The method for producing non-asbestos brake lining according to claim 6, wherein a compound containing S (sulfur) is used as the Mo compound. ※ Note: The disclosure is based on the initial application.