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    • Paolo Kerguel

      Richard James Robbins

      ...  Richard James Robbins (1933 - 2019) (Born: 1933...9 - Seattle, USA) Dick Robbins", as he has been known to the tunnelling world was actually born into...d the founder of The Robbins Company. When James Robbi...ign, The Robbins Company grew into a worldwide leader and tech...

      • Robin McAuley

        TBM Y-Parts sourcing: Should you buy your TBM Cutters from TBM Manufacturer or from Independent Manufacturers?

        Incomplete content Y-Parts, t...facturer of the TBM you are using or from independent manufacturers. Do...s well as Y-Parts of the good independent manufacturers. In ge...the razor cheaply and then making money on repeat selling repl...Manufacturers + Lazy sourcing. Just use the same manufactu...

        • Robin McAuley

          Buying Advice for Bichak-Cutters

          WARNING UNDER CONSTRUCTION. Bich...uot;) are cutters used for boring in soft to medium ground. Ba...on the edges which do the digging. Different TBM manufactur...for Bichak Cutters. They come in different designs. Design dif...but also protects the canals in which the tungsten-carbide bi...

          • Robin McAuley

            What is the difference between welding, soldering and brazing

              Soldering: Soldering is used to join two or more...f dissimilar metals for soldering to each other are tungsten-c...bits and steel., In soldering, the metals are "glued`...y do not melt and become one. Instead, they are sort of "...

            • 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

                Conventional Tunnelling versus Mechanized Tunnelling

                ...Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice versa? When to use Tunnel Boring Machine tunnelling method? When to u...tions. Conventional Tunnelling Refers to creation of und...xample of Conventional Tunnelling is the 'Drill and Blast&...

                • Robin McAuley
                  • Robin McAuley

                    Tunnel Boring Machine Definitions

                    WARNING Under construction. Incomplete content   Y-Parts

                    • Paul K. Madsen

                      Ryfast

                        Ryfast is a chain of subsea tunnels in the southwest of Norway. Ryfast t...tavanger (the fourth largest city in Norway) with the other side o...ies between the island of Hundvåg and to the south of Tau on...meters long and at its deepest point, it is 292 meters below the...

                      • Robin McAuley

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

                        ...uide for how much a Tunnel Boring Machine (TBM) costs. TBM prices always change, but basics remain constant: The parameters that...of the parameters that determine the prices. In addition, som...takes time to build these machines in the range of from severa...