Hard Rock Tunnel Boring Machine (TBM) is the first choice for the construction of hard rock tunnels because it is a fast, safe, and environmental-friendly construction method.
Total installed power: 2160kW
Range of rotation speed: 0~8.5~14.5rpm
Breakout torque: 2022 kNm
Rated torque: 1348kNm
Cutterhead rotation speed: 15.8r/min
Advance speed: 100mm/min
Thrust force: 8970kN@320bar
Curve radius: 500m
Geology: Biotite granite, quartz conglomerate, quartz sandstone, siltstone, conglomerate, argillaceous siltstone, wall rock, etc.