Tunnelborrningsmaskin

Herrenknecht AVN2000AB

Please check the below attached pdf. document for the full detailed description of the machine.

For additional fotos and information please don't hesitate to contact us.
Iisdpfelkdl Aox Ac Dek


Purchase 1 AVN2000AB Tunnelling Machine
Mixed Ground
Cutting Wheel
The mixed ground cutting wheel is designed for AVN2000AB in mixed ground
such as: mixture of soft ground, gravel or coarse gravel, weathered/soft rock.
Supplied with soft ground cutting tools & disc cutters.
Full set of cutting tools bolts and cutting wheel bolts included.
Maximum Unconfined Compressive Strength (UCS ) 60 MPa
Closed face type
Cutting diameter 2 575 mm
Cutting tools Chisel 12 No
Chisel width 100 mm
Scraper 8 No
Cutting disc 11 No
Cutting disc diameter 305 mm
Tooling system backloading
Machine
AVN2000AB
Articulated shield with face support / excavated material transportation by slurry.
Slurry feed by 6 nozzles into crusher / excavation chamber and 2 nozzles to area
around slurry discharge pipe. All nozzles (crusher/excavation) are equipped with
interchangeable nozzles inserts for different nozzle diameters to run in medium
pressure mode.
Integral conical stone crusher behind cutting wheel.
Face access for cutter inspection / change.
Optional easily fitted cutting wheels for soft ground, mixed soil conditions with
some rock and full rock conditions.
Central drive unit with splinted shaft for reliable, heavy duty torque transmission
to cutting wheel.