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  Disc Cutter Hubs and Rings. How are they forged?

    You know disc cutter hubs. Hubs sit in the center of the disc. And cutter rings are placed around them. But how are they made? This Palmieri documentary shows who they are made at Palmieri's own facilities. Palmieri produces them from steel bars to the end product. Watch it wi...

  Tags: palmieri disc cutters, palieri forging. made in Italy, italian quality, italian tunnelling

  1515 days ago

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  Salini Impregilo TBM breaks through W Street shaft for Washington DC Water Northeast Boundary Tunnel

  https://www.youtube.com/watch?v=WPbAEjwXqBM Salini Impregilo operated Tunnel Boring Machine called 'Christ' breaks through the shaft at W Street in Northeast Boundary Tunnel (NEBT). Launched in 2018, 23 foot (7 meters) TBM Christ excavated through clay and sand. It will get maintena...

  Tags: italian tunnelling

  1470 days ago