Tunnel Boring Machine Roadheader for Sales,Mining Coal-PMTBM
The efficiency and build quality of our machines have been tried and tested at mines and construction sites under the most severe operating conditions. PMTBM Quality Production Machine Tunnel Boring Machine are used not only for manufacturing the company's own products but also for carrying out contract work and repairs for external clients.
Tunnel boring machine - Wikipedia
A tunnel boring machine used to excavate the Gotthard Base Tunnel, the world's longest rail tunnel. A tunnel boring machine that was used at Yucca Mountain nuclear waste repository A tunnel boring machine ( TBM ), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata .