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DTH 300-Model, Top drive drill rig is capable of drilling in different formations, such as a medium to hard rock by DTH unconsolidated / Alluvial formations using Air / Water / Water flush by rotary method, up to a depth of 300 Mtr(1000 Feet), under favorable drilling conditions,
The following are the detailed specifications DTH Drilling Rig Machines.
Hole Diameter - 4.5'' To 8" Dia
Maximum Drilling Depth - 300Mtr (1000Feet)
Over Burden Diameter - 9.0" (228MM)
*Feed System -
Feed and Hoist operation will be achived by pully, wire rope and one double acting hydraulic cylinder.
Feed cylinder size - 125mm Dia x 80mm Dia x 2350mm Strock
Pull Back - 14000 Kgf
Pull Down - 6000 Kgf
Hoisting speed - 45Mtr / Minute
Reeving Ratio - 1:3