Inwell type Rig Light weight : - JRD Model Inwell type light weight Rig used for drilling 101 115 mm dia holes to a depth of 30 meters. Used for drilling & blasting consisting of chain feed mast to
handle 76.2 x 1.5 m long drill pipe with 4.5 H.P rotation, 4.5 H.P. winch unit mounted on Triangular bottom frame with three adjusting screws controls, Hoses and Air line Lubrictor. DRILLING
PARAMETERS ROTATION UNIT: 4Cylinder-piston type air motor directly coupled to spur type gearbox. B.H.P at 1250rpm and at 7kg/cm2 :: 4.0-4.5 Gear ratio :: 1: 30 Max torque :: 1125 NM (10,000 in
lbs.) WINCH 4Cylinder piston type air motor directly coupled to spur gear cum wormdrivegearbox. B.H.P at 1250rpm and at 7kg/cm2 :: 4.0-4.5 Gear ratio :: 1: 36.9 Pull down :: 0-2200kgf Max pull up
force :: 15m/min GENERAL DIMENSIONS Height :: 3.4M Width :: 1.7M Weight 550kg