Overhead crane scrolling drive gearbox

Gearboxes that drive the scrolling of a 85 ton overhead crane located in a steel mill.
A 4-pole 11 kW motor is applied to the gearbox: this results in a bridge scrolling speed of 1.5 m/s.
The gearbox is made up of two half-boxes and is designed for mounting in a vertical position.

Installed power: 11 kW
Input speed: 1460 rpm
Gearbox weight: 220 kg