Triple Head Multi Boring Machine

There are three main types — table, planer and floor. The table type is the most common and, as it is the most versatile, it is also known as the universal type. A horizontal boring machine has its work spindle parallel to the ground and work table.They can dig through anything from hard rock, soft soil to sand. The TBMs tunnel diameters can range from one meter to 19.25 meters. Tunnel boring machines are used as an alternative to conventional methods like drilling and blasting and hand mining.