High Efficiency -Portable Blast Rock Hole DTH Small Drilling RigA. The drilling rig has a reasonable design and superior performance, it is easy to operate and for maintenance. Track crawler mounted rig facilitates moving around with great convenience. Robust structure plus strong power supply ensures high penetration rate and outstanding reliability.B. Its unique double mufflers reduce environmental pollution and guarantee human health.C. Three structural supports gives it adapt to all landscapes and work easily. It's simple structure makes it easy to move.Specification for High Efficiency -DTH Small Drilling Rig for Blast Rock:
Rock RigidityF=6~20Dia.of hole68~80mmOptium drilling depth15monce the advancing length1000mmRotary speed90r/minAir consumption3.5~5m 3 /minWorking pressure0.5~0.8MPaDia. of cylinder90mmMotor Power3KWMax. lifting force4200NMax.thrust force3500NWeight175Kg