Inside the Tunnel Boring Machine

Some cool speedy machining images:

Inside the Tunnel Boring Machine

Image by TranBC
Precast concrete tunnel liner ring segments for the Tunnel Boring Machine.

How Tunnel Boring Machine Digests

Image by TranBC
Material dislodged by cutter teeth flows by way of gaps in the cutter head into a chamber behind the cutter head inside the tunnel boring machine.

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