MINING

Robbins develops rectangular rock mining machine for flat invert

Robbins’ latest innovation is making good headway on a non-circular tunnel excavation in hard rock.

 Developed by Robbins for use in rock up to 200MPa UCS, the MDM5000 excavates with a reciprocating cutterhead and swinging cutterhead motion to create a rectangular cross section tunnel

Developed by Robbins for use in rock up to 200MPa UCS, the MDM5000 excavates with a reciprocating cutterhead and swinging cutterhead motion to create a rectangular cross section tunnel

The rectangular TBM, known as the MDM5000 (which stands for mine development machine with dimensions of 5.0m x 4.5m) is capable of excavating a flat tunnel invert for immediate use by rubber-tired vehicles....

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