Broken Wires in Wire Ropes
It is surprising how few operators know the allowable number of broken wires in a wire rope. The discard criteria on a crane rope will vary significantly from construction to construction. It is crucial to know the construction of the wire rope before you start the inspection. To give you an idea of the difference in the allowable amount of broken wires for the different ropes, see the following examples from Australia Standard 2759 Wire Rope: 6x19 (12/6/1) - 3...