Abstract
The paper considers the issues of destruction of the working bodies of road-building equipment operated under conditions of abrasive wear with a fixed abrasive. Analytical studies of the influence of the tribological parameters of cutters on the intensity of their wear have been carried out. Based on the solution of the equations of the dynamics of the movement of the cutter in a viscoelastic medium, its geometric shape is optimized. The mathematical dependences of the influence of the geometric dimensions of the cutter on the pressure value and the intensity of tool wear are obtained.
Highlights
Research questions of the theory of soil destruction of various strength by mechanical tools, which can be the cutters of the milling working bodies, are assigned, the work such scientists V.N
The methodology of experimental research on the creation of working bodies of the road milling cutter involves the solution of the following issues [1, 3, 4]:
The mechanism of abrasive wear of steels and alloys is most qualitatively determined using research methods on special test benches, mainly based on turning or milling machines [4, 6,7,8]. These techniques make it possible to fully establish the mechanism of material wear depending on the cutting speed, the abrasiveness of asphalt concrete, the temperature in the area of contact between the cutting edge and abrasive, etc
Summary
Research questions of the theory of soil destruction of various strength by mechanical tools, which can be the cutters of the milling working bodies, are assigned, the work such scientists V.N. The analysis showed that these works depend on the destruction of soils of different strength They are successfully used for the destruction of materials such as asphalt and cement concrete. These dependencies allow you to determine the impact of various factors on energy intensity and productivity of processes destruction of various materials by the working bodies of rotor milling machines to establish their optimal parameters and rational operating modes. In domestic and foreign literature, there is no information on studies of the work of eccentric milling equipment on all types of materials
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