SEATTLE (Reuters) - The cutter head of the world's largest-diameter tunnel-boring machine was being hoisted out of a temporary pit in Seattle on Monday as construction crews work to fix a key ...

The study of disc cutter wear in tunnel boring machines (TBMs) is fundamental to optimising both the economic and operational performance of subterranean construction projects. Disc cutter wear ...

The Department of Transportation on Friday unveiled the cutter head of the first tunnel boring machines (TBM) that will be used for the partial operability section of the National Capital Region's ...

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 ...

The boring machines were manufactured in Germany for just one of 10 sections that make up the $16 billion Gateway project to build a new tube for Amtrak and NJ Transit trains into Penn Station. The ...

Elon Musk’s Boring Company announced on Twitter that its third-generation boring machine, which is supposed to have had its ability greatly improved to dig tunnels fast and cheap, is now working. The ...

It was the fall of 2022 when employees at Elon Musk’s Boring Company began to notice Steve Davis wasn’t around. Davis, the president of the tunnel-digging startup, had stopped showing up at the R&D ...