Features:
1,Designed for gravel and rock(up to 150 M).
2,Driven by inner gear, big driving torque, no axis.
3,Direct access to the tunnel face for maintenance and repair work .
4,Through cutterhead rotation,stones or obstructions entering the crusher cone are crushed to a conveyable grain size.
5,Bentonite injected into the annular gap reduces friction between the extrados of the pipe and surrounding soil.
Technical Parameters: