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    • Robin McAuley

      Y-Parts

      Y-Parts is the collective term used for the spare parts used on a Tunnel Boring Machine's (TBM) Cutter Head. These are the parts which are worn most and need replacement most often during a boring operation.

      • Robin McAuley
        • Robin McAuley

          Conventional Tunnelling versus Mechanized Tunnelling

          ...ice versa? When to use Tunnel Boring Machine tunnelling method? Wh...nnelling is the use of Tunnel Boring Machines for excavation and s...like shaft builders (vertical boring) or boom-type roadheaders....elling, in the form of Tunnel Boring Machine tunnelling is conside...

          • Robin McAuley

            Tunnel Boring Machine Definitions

            WARNING Under construction. Incomplete content   Y-Parts

            • Paolo Kerguel

              Richard James Robbins

              ...lling. He was the son of James Robbins, the inventor of the rock Tunnel Boring Machines and the founder of&n...lling industry. Many technologies used by today by all brands of Tunnel Boring Machines were actually invent...

              • Robin McAuley

                How much does a Tunnel Boring Machine (TBM) cost?

                ...neral guide for how much a Tunnel Boring Machine (TBM) costs. TBM p...lex TBMs. The cost of a tunnel boring machine (TBM) basically depen...M Diameter The excavation or boring diameter of a TBM is an impor...ion nowadays. In the past, Tunnel Boring Machines were mostly produced...

                • Robin McAuley

                  Buying Advice for Bichak-Cutters

                  ...tters ("knives" or "scrapers") are cutters used for boring in soft to medium ground. Bas...and can cause the bichak-cutter to disintegrate into pieces during the boring operation. The bottom line is...