A crane is a machine used for lifting and lowering a load and moving it horizontally, with the hoisting mechanism an integral part of the machine. Overhead cranes are used in many industries to move heavy and oversized objects that other material handling methods cannot. Overhead cranes have a railed support structure, known as a bridge, and a wheeled trolley that travels across the bridge horizontally. The other primary component of an overhead crane is the hoist, that’s attached to the trolley, and is used to perform the lifts. Several varieties of overhead cranes exist including gantry, semi-gantry, cantilever gantry, […]