LOS ANGELES (CBSLA) — Two tunnel-digging machines that will bore through the ground to create a path for the Metro Purple Line subway under Wilshire Boulevard were unveiled today. The tunnel-boring ...

A 950-ton steel tunnel-boring machine named Harriet that carved out 2 miles of earth for a light rail line headed to Los Angeles International Airport will be dismantled underneath South Los Angeles ...

Elon Musk has announced via Twitter that The Boring Company’s newest invention for tunnel excavation is “almost ready.” This, the second boring machine, will be dubbed Line-Storm, a moniker inspired ...

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Kennametal’s asymmetric line-boring system increases machining robustness, process speeds, and bore quality, and reduces tool maintenance and handling. Precision is vital in manufacturing many ...

A TBM is used to excavate tunnels in a circular cross section through a variety of geologies. It is manufactured to bore through hard rocks or sand layers and almost anything in between. Engineer ...

Boring is the method used to enlarge a hole that has already been cast or drilled via a single-point cutting tool or a boring head that contains multiple such tools. The hole created by a boring ...

The machines — which are presently being assembled in Germany — will commence tunnelling for the UK's high-speed rail project later this year. In the meantime, the project is letting the public vote ...