1.Brief introductions of KHYD110 electric rock drilling rig ·The electric rock drilling rig can be fitted with drill stand, and can be drilled horizontally or upward in any direction. ·In order to prolong the service life of the drill bit and improve the working conditions of the operator, wet drilled water can be used to discharge the powder and screw blade drills can also be used for dry draining. ·In the operation of electric motor rock drilling rig, we only need to operate the handwheel, and the electric motor rock drilling rig can advance itself and return quickly. 2.Specifications of KHYD110 electric rock drilling rig Model Unit KHYD110 Rated output power of motor kw 5.5 Rated voltage of motor v 380/660 Rated frequency of motor hz 50 Rated current of motor a 11.6 Motor speed r/min 1440 Motor phase number three phase communication Rated working mode continuity Drilling speed mm/min 280 Speed of return m/min Borehole diameter mm 42-80ï¼?rockï¼? Hardness range protodikonov`s scale of hardness f