A tunnel boring machine (TBM), also known as a "mole" or a "worm", [not verified in body] is a machine used to excavate tunnels.

Jun 6, 2025 · Modern TBMs are far more efficient than Brunel's design, digging up to 50 feet per day. Each TBM has a rotating cutter head at the front that eats through the earth. As it goes, the …

Jun 26, 2025 · Tunnel Boring Machines (TBMs) are large, specialized equipment used to excavate tunnels through various soil and rock conditions with minimal disturbance to the surrounding ground.

Feb 3, 2025 · Tunnel Boring Machines (TBMs) have revolutionized underground construction since they were first developed in the 19th century. These massive mechanical marvels have transformed the …

Nov 12, 2025 · You use a tunnel boring machine to dig tunnels deep underground. It helps people dig in a safe and fast way. This big and modern machine is often called a TBM. It moves through soil and …

Robbins TBM owners have set world excavation records for virtually every tunnel diameter. No matter what kind of ground conditions your next project involves, Robbins has the right TBM for the job.

Tunnel Boring Machine (TBM) also known as a “mole”, as the name suggests is simply a machine assembled using sophisticated types of equipment for excavating tunnels with the help of a variety of …