September 2019 Vol. 74 No. 8


Epiroc Donates Equipment to Colorado School of Mines’ EMI

Epiroc, a productivity partner for the mining and infrastructure industries, donated a COP 1238K rock drill to the Excavation Engineering and Earth Mechanics Institute (EMI) at the Colorado School of Mines. The COP 1238K hydraulic rock drill for tunneling and drifting applications updates decades-old testing equipment at EMI, the largest independent rock drilling and excavation research facility in the world. 

Colorado School of Mines, in Golden, Colo., is known globally for its expertise in topics related to earth, energy and the environment. Over its 45 years of existence, EMI has developed a suite of physical property tests, cutter and cutterhead evaluation procedures for performance prediction, project costing, and design of mechanical rock excavation tools for all types of mechanical excavators in mining, civil underground construction,  
and microtunneling. 

Developed to maximize impact power and durability in underground applications, the COP 1238K is optimized at hole diameters from 2 to 3½ inches and has a power rating of 12kW. It features a built-in reflex damper that contributes to improved drill steel economy and reduces wear on the rock drill, feed and boom. A stepless variable and reversible rotation motor provides high torque and speed control. In addition, a long, slender piston matched to the drill steel delivers optimal impact power without damaging the drill steel. 

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