Oct 23, 2018 · Lecture Overview Introduction Pit Geometry Interaction deposit geometry Design and management Overall process Interaction of distinct operations Machinery – Drill Rigs, Loaders, Excavators etc. General appraisal History From ancient times to now Classifiions By operation size By material By level of mechanization Operation Size Huge operations 50 Mio t .
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Get PriceBlast Hole Drilling Machine Working Principle. The drill pipe is used to drive the pneumatic impactor to rotate together with the drill piston of the pneumatic impactor impacts the broken ore of the drill bit and is usually used for drilling holes of 80250 mm in diameter in small and mediumsized mines. The blast hole drilling machine can drill holes in rocks above .
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