The 14.25-kilometer Chongming-Taicang Yangtze River tunnel — featuring three vertical shafts and connects Shanghai's ...

Brema vertical boring machines can carry out all boring, milling and glue and dowel insertion operations, as well as managing additional hardware inserts. The structure of these machines has been ...

In rendezvous beneath the Yangtze River, a multimillion-dollar tunnel boring machine meets its stalled twin with just 2mm of ...

Boring, also called internal turning, is used to increase the inside diameter of a hole. The original hole is made with a drill, or it may be a cored hole in a casting. Boring achieves three things: ...