Automated road milling cutter for the repair of road surfaces with variable trackage

Abstract

Road formation on the roads of the Republic of Kazakhstan is one of the main reasons for the increase in the likelihood of road accidents. The output of calipers often reaches a significant size, putting drivers under pressure in height and width. The development of automated road milling machines has opened up new horizons in the fight against this problem, making it possible to effectively carry out milling operations within the framework of measures to ensure road safety.

Over the past 30 years, the technique has been modified and the use of new techniques is proposed. These are motor graders with an automated "profile" system, self-propelled rollers with a wide range of speed modes and vibration, powerful domestic and imported milling machines, resiclers, automated modern asphalt pavers, asphalt concrete mixture overloads, etc. 

A methodology for experimental research has been developed and a stand with Metrological equipment has been created that allows you to simulate the complex process of milling asphalt concrete samples by force and coordinate circuit. As a result of the research, regression equations were obtained that characterize the parameters of milling asphalt concrete samples.

It was found that when switching from a power (elastic) Circuit of the technological system to a solid (coordinate) circuit, milling errors are reduced by up to 15%, and their distribution is reduced by up to 30%.