Hoisting: Coal and Metal and Nonmetal Entry Level Training, Volume 2National Mine Health and Safety Academy, 1995 - Mine hoisting |
Common terms and phrases
abrasion adjusted aircraft cable ammeter applied automatic brakeman broken wires buckets cage centrifugal switches circuit breaker clearance clips compartment conveyance core wire rope counterweight deadman switch deceleration devices disc brakes DRUM BRAKE dump electrical elevators end attachment equipment fatigue resistance feet fiber core wire filler wire flange flattened strand fleet angle flyball friction hoists galvanized gauge groove haulage head sheave headframe hoist controls hoist drum hoist operator hoist rope hoisting system hydraulic improved plow steel inch indicator inspection installed IWRC rope Koepe hoists lay length layer LIVE END load lubrication mantrips maximum minimum nominal strength nondestructive tests operating mechanism overtravel personnel plastic filament polypropylene Regular Lay rope construction rope diameter rope lengths rope strength rotation safety catches safety dog Seale seizing signal skip slack slope socket spelter stop swaged switch thimble trip-out Warrington wear wedge weight wheel wire rope zinc