The Design, Installation and Operation of a Tower Mounted Friction Hoist at Opemiska Copper Mines (Quebec) Limited
B EFORE discussing the equipment, it would be instructive to review the factors that influenced the management of Opemiska Copper Mines to purchase a friction hoist rather than a conventional double drum hoist. The mine required that 250 tons per hour be hoisted from a depth of z,ioo feet. They also specified that the top speed should not exceed 1800 feet per minute
Keywords:
Brakes, disc brakes, drum, headframe, hoist, rope, Friction hoists, Hoists, Installation, Load, Rope, Ropes, Shafts, Skips, stress
