FIELD: machine building.
SUBSTANCE: group of inventions relates to automotive industry. Drum brake comprises an internal drum and outer drum. According to first version, internal drum comprises outer, radially expanding inside flange. Flange comprises bores to receive fasteners for connection of inner drum with a wheel. Outer drum is designed to accommodate inner drum. Outer drum comprises outer, radially expanding inside flange, having a second set of holes aligned with first multiple holes and intended to receive fasteners to connect external drum with wheel. Inner and outer drums are made from different materials. According to second version, outer drum is connected with said internal drum press fitting, made with possibility of removal and replacement of new internal drum. Method of forming drum brake comprises heating outer drum and insert inner drum.
EFFECT: improved technical characteristics of drum.
24 cl, 2 dwg
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