9/14/2023 0 Comments Franna crane lifting capacity![]() ![]() ![]() How to Calculate the Max Load of a Crane’s Reeving SystemĮach part adds to the mechanical advantage of the crane system, allowing it to better distribute the weight. Because the wire rope is lowered from two points that meet in the center, the load will never have lateral movement. In these cases, a double-reeved system is best. ![]() Some crane applications require precision lifting with no lateral movement. As coils are added or released, it moves the hook or load block back and forth on the drum. When a crane system is lifting or lowering a load, the wire rope is either spooled or released, adding or removing coils on the drum. It has one wire rope coming off the drum (single) that’s distributed over two lines (parts).Īnother aspect to consider is lateral movement. Diagram from the Acco Wright Speedway Crane Catalogįor example, a crane system with one wire rope coming off the drum, going through a pulley at the hook, and going into an anchor point is considered a two-part single reeving system (2PS). ![]()
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