Selection Criteria

Cutters

DH Machine

DH-FS Machine

DH-L Machine

DH-U Curved Machine

DT Machine

BM EPB Segmental 

Slurry Pumps

Guidance Systems

Jacking Systems

Rasa Island

Thrust Reducer

Jacking Layout

Treatment Systems

Beachwalk Project

Microtunneling, Inc. are exclusive agents in North and South America for Rasa 

MTBM, TBM, EPB, Slurry Shields, and Segment Shields.

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      A Variety of Cutter Disk Available for Various Soil Conditions

For Ordinary or Hard Soil For Cobble Gravel

Rasa Ordinary Hard Cutter

Rasa Cobble Gravel Cutter

For Hard Rock

For Boulders Mixed with Medium Rock

Rasa Hard Rock Cutter

Rasa Boulder and Mixed Rock Cutter

Medium Hard Rock

For Soft Rock

Rasa Medium Cutter

Rasa Soft Rock Cutter

 

Rasa Crushing Mechanism

 

Crushing Mechanism

The machine adopts a two-stage crushing mechanism: that is, the primary crushing is performed with roller bits installed on the cutter disk that rotates at a large torque. The secondary crushing is performed with a robust cone crusher consisting of a mantle and a cone cabling.

 

Rasa Cutting Head

Contact Timothy Coss, President, Microtunneling, Inc.

timcoss@microtunneling.com

Phone +1-303-444-2650

Fax +1-303-444-0889