COMPARISON OF STRUCTURAL MATERIALS USED IN THE MANUFACTURE OF DUMPER BODIES

Abstract

The activities of road construction, construction, energy, and mining companies require special transport that can transport bulk cargo. This transport is intended for the transportation of heavy, construction and other materials. These are tipper trucks (quarry trucks) designed to transport bulk cargo. Due to the constant work and large mass of transported material, dump truck bodies and tipping mechanisms wear out under the influence of loads and eventually deform (the structure gets tired). Considering the construction of dump trucks, innovation is needed to extend the service life. The results of the research show that Hardox 400 steel wears more by mass in dolomite fractions (2-5 mm; 5-8 mm) than the aluminum 3004 series alloy. Hardox 400 steel showed less wear than the 3004 series alloy when considering volumetric wear. Under identical conditions, 3004 series aluminum alloy wears more intensively than Hardox 400 steel in terms of volume wear. Mass (and volume) erosive wear of 3004 series aluminum alloy increases as the particle size of the dolomite fraction increases.