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 ...

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 detailed look at how line boring and bore welding restore worn components with precision. The team walks through setup, alignment, and final machining to bring parts back to spec. Could this method ...

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 ...

In machine tools the R&D struggle is to advance productivity, accuracy, and flexibility with technology. That's the way Lamb approached the design of new equipment for the consecutive machining of ...

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 ...