隧道巨型钻机DR-1SB.

DR-1SB液压Jumbo钻头，单臂液压钻机，专为钻井垂直，水平和倾斜孔而在地下生产或开发标题。The DR-1SB has boom coverage of 5.46 m by 5.46 m (17’11” by 17’11”) and inner and outer turning radius’ of 4.19 m (13’9”) and 6.48 m (21’3”), respectively. The DR-1SB features the Intelsense drilling control system, which includes the following features: Collaring Anti-jamming Automatic water monitoring with feed return if low pressure is encountered Auto return to start position after hole completion Control levers for operating percussion, rotation, and feed