Horizontal Force on Tire Gantry Crane

Difference of trolley traction distribution and slip angle of tire wheels may cause extra horizontal force to legs of tire gantry crane. The case and cause were studied to estimate the force for the crane design, control, and operation. And that was compared with one specialized in the design rules of rail gantry crane. It can be found that under proper control and operation condition the later can also be applied to the tire gantry crane.