Abstract
Construction industry uses ball mills for raw material grinding. When in operation mounting groups of axles receive various surface damages - shape defects. Roundness of the axle working surface is restored with the use of the auxiliary machine-tool that enables on-site machining. Conducted experimental studies have proved the effectiveness of the axle recovery technology. The time required for axle processing under operation conditions has been calculated. It is proved that mill downtime during the equipment overhaul will reduce by 48 hours. The time spent on the ball mill overhaul is decreased through the use of the technology of axle restoration by an auxiliary machine-tool in operating conditions. The study uses analytical and experimental research methods. The schedule of the ball mill overhaul is developed and approved at the enterprise. The downtime of the ball mill during equipment overhaul has decreased by 48 hours in comparison with the time of ball mill overhaul before the introduction of the developed method of mill axle restoration.
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