Based on it long experience on mining equipment design and testing, Sandvik introduces a new Boom Suspension System, dedicated to UG drills.
The main purpose of this System is to extend the lifetime of boom and carrier parts by reducing the vibrations and peak forces carried to the boom when the machine is tramming on tunnels. It also improves significantly the operator comfort.
When the park brake is released and motion switch activated, the Boom Suspension System is in function. A special piston pressure accumulator, connected directly to the boom lift cylinder, absorbs most of the picks of pressures generated and preserve the rest of the structure from high stress and vibrations.
The Boom Suspension System can be disabled easily, if needed, with a simple electric switch, from the operator compartment. Due to the small size of the accumulator, the system fulfils all the local regulations (EU, CRN).