Tunnel jumbo drilling rig DD320S

double-arm

Sandvik DD320S is a compact two-boom face drill designed to work in demanding underground conditions. It offers versatility with face drilling, cross-cut drilling and bolt-hole drilling, while its booms provide a 41 m² coverage, making it suitable for various tasks. Easy service and maintenance Sandvik DD320S offers improved serviceability from ground level. Due to the high level of reliability and spare part commonality, the drill ensures lower operating costs and longer service intervals. Robust design The development drill rig’s well-proven components ensure a high level of reliability. Wide coverage The B26XLSF booms provide the rig with a wide coverage of 41.4 m² and are designed with interchangeable and adjustable wear pieces. Tramming type and distance Hydrostatic transmission - Diesel engine - QSB 4.5 (124 kW, Stage IIIA) Hydrostatic transmission - Diesel engine - TCD2.2 (55 kW, Tier 4F, Stage V) Hole diameter 43 - 64 mm Number of booms 2 x B26XLSF Drift size (H x W) 3.5 x 3.5 m Feed length Fixed TF500 12 to 16 ft. or telescopic TFX 6-12 ft. to 8-14 ft. Rock drill RDX5 20kW Voltage 380 - 690 V (multi voltage) Controls type THC560, hydraulic controls Weight 20,910 kg (depending on options)