The first is to convert the 1/2 into decimal
Number by dividing the bottom number of the fraction
Into the rope number of the fraction:(1 divided by2=5)
Next compute the SWL formula:( 5x. 5x8=2 tons)
NOTE: Do NOT downgrade the SWL of Wire rope
Due to being old, worn, or in poor condition. Wire rope in these conditions should be cut up and discarded
WIRE ROPE FAILURE
Some of the common causes of wire rope failure are the following
Using incorrect size, construction, or grade
Dragging over obstacles
Lubricating improperly
Operating over sheaves and drums of size
Overriding or crosr winding an drums