A roadheader is an excavating machine used in underground mining and tunneling to continuously cut rock and other materials without explosives, allowing for precise tunnel shapes and sizes. Key components include a boom-mounted cutting head with durable picks (e.g., tungsten carbide) that rotates to break rock. The boom maneuvers the cutting head, while a loading device, often an integrated conveyor system, gathers and transports the excavated material (muck) to the rear of the machine. The enti
A roadheader is an excavating machine used in underground min…
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Sandvik has upgraded its Sandvik MT721 and Sandvik MT521 tunneling roadheaders with several new digitalization and automation features, designed to further boost excavation performance and customer profitability. These new roadheaders will set the standard for reliable, productive and sustainable mechanical rock excavation, and continue our journey towards being able to deliver customers fully autonomous mechanical rock excavation machines in the future. Learn more about our new tunneling roadhe
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