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2. Boring (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Boring_(manufacturing)

   Lineboring (line boring, line-boring) implies the former. Backboring (back boring, back-boring) is the process of reaching through an existing hole and then boring on the "back" side of the workpiece (relative to the machine headstock).

3. Tunnel boring machine - Wikipedia

   en.wikipedia.org/wiki/Tunnel_boring_machine

   One of the boring machines used for the Channel Tunnel between France and the United Kingdom. A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology.

4. Bertha (tunnel boring machine) - Wikipedia

   en.wikipedia.org/wiki/Bertha_(tunnel_boring_machine)

   Freighter Fairpartner carrying the disassembled tunnel boring machine into the Port of Seattle in April 2013. Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and was the world's largest earth pressure balance tunnel boring machine, [14] at a cutterhead diameter of 57.5 feet (17.5 m) across.

5. There’s trouble below at Elon Musk’s Boring Co. - AOL

   www.aol.com/finance/trouble-below-elon-musk...

   A tunnel boring machine sits at the bottom of a construction site during a media tour at the Las Vegas Convention Center, Friday, Nov. 15, 2019, in Las Vegas. Officials held an event Friday to ...

6. Directional boring - Wikipedia

   en.wikipedia.org/wiki/Directional_boring

   Directional boring machine. Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.

7. Boring machine - Wikipedia

   en.wikipedia.org/wiki/Boring_machine

   Boring machine may refer to: Boring machine (carpentry) A machine for boring (manufacturing) holes; Tunnel boring machine; A machine that is not very exciting. See also

8. Tunnelling shield - Wikipedia

   en.wikipedia.org/wiki/Tunnelling_shield

   A tunnel boring machine (TBM) consists of a shield (a large metal cylinder) and trailing support mechanisms. A rotating cutting wheel is located at the front end of the shield. Behind the cutting wheel there is a chamber where the excavated soil is either mixed with slurry (so-called slurry TBM) or left as-is (earth pressure balance or EPB ...

9. Tuen Mun–Chek Lap Kok TBM - Wikipedia

   en.wikipedia.org/wiki/Tuen_Mun–Chek_Lap_Kok_TBM

   The Tuen Mun - Chek Lap Kok TBM otherwise known as Qin Liangyu or more formally, the Mixshield S-880 was the world's largest tunnel boring machine launched in June 2015 by Herrenknecht in Germany. [1] [2] The TBM was used to drill a 5 km tunnel connecting Tuen Mun to the Hong Kong International Airport, part of the Tuen Mun–Chek Lap Kok Link ...