Crane & Hoist
A major U.S. mine operator needed to replace some of the brakes on one of their draglines which removes overburden to expose coal deposits. The 8,000-ton dragline features a large boom and a massive bucket, with a capacity of approx. 110 cu.yds. The bucket is lowered over the desired area, dragged along the surface until full, then lifted and swung to a designated dumping area.
A leading U.S. dredging company required a variety of reliable heavy-duty, hydraulically-released brakes for use on a massive new harbor dredger. The 1,500-ton dredger is equipped with a crane and two huge clamshell buckets that dig from two directions. The brakes provide parking and emergency stop functionality on the crane’s main winch and vertical slew drives as well as on three spud winches.