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 ...

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Harriet was not quite ready for her close-up. The 950-ton tunnel boring machine named after African-American abolitionist Harriet Tubman was hoisted about five feet off the ground Monday. But Metro ...

The state-of-the-art boring machine will dig the largest single-bore transit tunnel in the world, nearly 54 feet in diameter. It's capable of digging 30 to 40 feet a day, according to VTA. "There's no ...

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 ...

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 ...

Addman Advanced Metals has scaled from a single 3D printer to 25 while also building out a robust array of subtractive machines. In this video, find out how the shop manages its additive and ...