Galbiati recently designed control units (Cutterhead Supports) for the rotating head of an EPB (Earth Pressure Balance) tunnel boring machine for an excavation project in Mexico City, Mexico.
Below are a few photos showing the TBM cutterhead supports made entirely in the assembly area of Galbiati’s factory.
A few technical details of the control units: cutterhead support measuring 4.5 m in diameter with roller bearing measuring 4 m in diameter, 11 planetary gear units with two-speed gearbox – transmitted power of 330KW each, lubrication system. Overall weight 130 tons.