China Truck SINOTRUK Rear Brake Drum (NO.AZ9112340006) Hot-sale truck spare parts rear brake hub Die Casting Cars truck brake drum AZ9112340006 * Brake drum of great quality and competitive price. * Application:Truck,Semitrailer,Heavy-duty truck,car,etc. * Advantage in machining, casting...
Brake drum is a part of drum brake system, brake, piston type for two and a half months of pressure on the brake shoe, make it against the inner wall of the tympanic cavity, causing friction to stop the rotation of the wheels.The material of brake drum for HT200 commonly - 300 (i.e., gray cast iron), matrix was mainly for the pearlite and A small amount of ferrite and cementite, mainly for A grade graphite, form for long flake, length of grade 4 to 6, heat dissipation, increase the friction performance and reduce the brake noise.The production process of brake drum blank is casting, and the main raw materials required are pig iron, scrap steel and furnace iron. At the same time, some alloys, such as Cu and Cr, are added to improve the casting performance.
Steel Shell Brake Drum
FMVSS / Dynamometer test
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