Earth Pressure Balance Machine
Earth pressure balance machine is a closed shield, using the slag soil excavated by the cutter head into the soil bin as the main medium to balance the water and soil pressure on the excavation surface, in order to achieve the effect of stabilizing the excavation surface. It is suitable for most domestic urban subway tunnels and tube tunnel construction projects.

Product features:
Wide stratigraphic adaptability, adapted to silt, clay, sand, pebble gravel, full/medium/slightly weathered rock layers, soft and hard uneven composite strata;
High excavation efficiency and low construction cost.
High reliability of the main drive bearing, sealing system and reducer, also with long life and high safety.