The Electric Mining Shovel as a Primary Digging Tool for Open-Pit Mining
W. J. CHERONES, Vice-President and General Manager, Harnischfeger Corporation, Milwaukee, Wisconsin, U.S.A.
This paper describes the history of the development and application of the electric mining shovel in open-pit mining, dea1ing particularly with far-reaching advancements in three primary areas: metallurgy, mechanical design and electrical systems. Hoist drives and crowd drives, including the Magnetorque and Electrotorque systems, and the integral propel drive are given close attention
Capacity, Design, dipper, high availability, Metallurgy, open-pit mining, shovel, Hoists, Mining shovels, Motors, Power, shovel, Shovels, Systems