“TBM” Tunnel boring machines
Cutter head of the TBM (Tunnel Boring Machine) rotating head, excavation diameter from 4 m to more than 12 m. Cutter head 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: 100 ton. Cutter head used on TBM machine for excavating water conduits in Ethiopia and China.












Thursday, May 20, 2010
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