Cutterhead supports for TBM (tunnel boring machines)

Cutterhead supports of the TBM (Tunnel Boring Machine) rotating head, excavation diameter from 4 m to more than 12 m. Cutterhead support diameter 5400 mm, with 4000 mm diameter roller bearing and ring gear module 22, nine helical gears with module 22 nine planetary gears with module 22 mm output pinion and lubricating system. Overall weight of cutterhead supports: 100 ton.

Cutteread supports used on TBM machine for excavating water conduits in Ethiopia and China.