Robbins is back with innovation!

The rectangular TBM has dimensions of 5 m x 4.5 m and the tunnel it excavates is immediately available for use by the rubber tired vehicles.

At Fresnillo, a silver mine in Mexico, Robbins and the mine operator are making good headway on accessing a deep underground orebody using a rectangular tunnel boring machine.

https://im-mining.com/2021/09/02/robbins-accelerates-fresnillo-development-mdm-rectangular-tunnel-boring-machine/