With feature of reversible rotation, the impact mechanism works which is used to rattle a tight joint or a jammed joint. Flushing is possible as air blowing or water flushing and all drill functions are operated from a control unit. The frequency can be adjusted accurately within a wide range. Hence drilling parameters can be made fit.
It is a heavy duty rock drill widely used for underground mining for long hole drilling, drifting, tunneling, benching. Regular inspections of drifters hold operating costs to minimum.
Technical Specifications
Model VK-12
Piston Stroke 65 mm
Piston Diameter 120 mm
Hole Diameter 48-85 mm
Overall length 780 mm(30 ¾”)
Shank Adapter type T38, R32, R38
Air Consumption 354 cfm(167 l/s)
Impact Power 7.2 KW
Rotation Speed 0-180 rpm
Working Pressure(Max.) 6 bar
Weight 69 Kg