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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

          ...bsp; Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice versa? When to use Tunnel Boring Machine tunnelling method? When to use Drill...definitions. Conventional Tunnelling Refers to creation of...ommon example of Conventional Tunnelling is the 'Drill and Bla...

          • Paolo Kerguel

            Richard James Robbins

            ..., as he has been known to the tunnelling world was actually born into tunnelling. He was the son of James...e inventor of the rock Tunnel Boring Machines and the founder of&n...technology powerhouse in TBM tunnelling. He has been the presiden...

            • Robin McAuley

              Tunnel Boring Machine Definitions

              WARNING Under construction. Incomplete content   Y-Parts

              • Robin McAuley

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

                ...general guide for how much a Tunnel Boring Machine (TBM) costs. TBM p...omplex TBMs. The cost of a tunnel boring machine (TBM) basically depen...ameter The excavation or boring diameter of a TBM is an impor...An often quoted rule for a Tunnel Boring Machine is; it costs U...

                • Paul K. Madsen

                  Ryfast

                    Ryfast is a chain of subsea tunnels in the southwest of Norway. Ryfast tunnels connects Stavanger (the fourth largest c...the Boknafjord. Ryfast consists of two tunnels: Ryfylke Tunnel: It li...for traffic on 30 December 2019, Ryfylke Tunnel...

                  • Robin McAuley

                    Buying Advice for Bichak-Cutters

                    ...or "scrapers") are cutters used for boring in soft to medium ground. Bas...ask the producer their reference sites. Which tunnel construction sites have they...-cutter to disintegrate into pieces during the boring operation. The bottom line is...

                    • Robin McAuley

                      What is the difference between welding, soldering and brazing

                        Soldering: Soldering is used to join two or more pieces of similar or...arious methods for melting the brazing material. In tunnel machinery industry, for Y-Par...ability is still a quality! Having said this; in tunnel...