RETREADING EFFICIENCY OF GIANT TIRES USED AT MINING ENTERPRISES
The article deals with the effectiveness of giant tire repair organization for self-propelled diesel equipment operating in underground conditions of mining enterprises. To discuss this issue in more details the authors describe a technological process of giant tires retreading, specify the number of giant tires annually purchased by the enterprise to ensure successful operation of mines. An actual economic effect from giant tire retreading is calculated as well. Next, the method determining tire life after the restoration is described and a break-even point is calculated with the application of pilot tests under condition of operating mines.