Boring machines cut the inside of a bore to enlarge its diameter. Boring machines are developed to make a bore in the shortest time and produce the highest possible surface finish and tolerances.

The tool advances vertically and horizontally in order to control the depth and diameter of the cut produced. The bore hole is always concentric with the axis of rotation of the work piece. The ...

Horizontal boring machines bore holes with a spindle that is parallel to the work table. Line-boring machines have a boring bar that is supported on both ends. Vertical boring involves clamping down ...

The cutter head of boring machine Karen at Old Oak Common station [PA Media] Two tunnel boring machines (TBMs) called Karen and Madeleine will dig the final 4.5 miles (7.3km) of tunnels that will ...

BENTONG: The two tunnel boring machines (TBM) that will be used to excavate the twin-bore Genting Tunnel portion of the East Coast Rail Link (ECRL) are the biggest of its kind in South-East Asia ...

Two tunnel boring machines (TBMs) called Karen and Madeleine will dig the final 4.5 miles (7.3km) of tunnels that will bring the HS2 line into Euston station. Each weighing 1,250 tonnes ...