WAGON DRILL

JRD Model, 120 Wagon Drill, capable for Drilling, 102-114 mm dia holes to a depth of 36.5 mts. used in open Cast Mines for drilling and blasting. Pneumatic Drifter can be mounted to carry out Drifter Drilling. Mounted on Rugged Box Frame, Fitted on wheels for easy shifting from hole to hole can drill holes from Vertical to Horizontal. The drills are available to handle 76 mm dia x 2 mts. & 3 mts. drill pipes. MODE OF DRILLING & CAPACITIES Down the hole air HammerCapacity: 102 to 114 mm. diaDepth : 36.50 mts. Pneumatic DrifterCapacity : 32 mm. diaDepth : 8 mts. GENERAL DIMENSIONS Mast Lengths 2 Metre Drill 3 Metre Drill 1. Size of drill Rod 76.0 mm. dia 76 mm. dia 2. Rotation Unit Traverse 2.34 Metre 3.34 mm 3. Height Mast raised 3.6 M 4.6 M 4. Height Mast lowered 900 mm. 900 mm. 5. Length Mast Lowered 3960 mm. 4960 mm. 6. Length Mast Raised 3100 mm. 3500 mm 7. Mast lateral swivel +/- 15 deg. +/- 15 deg. 8. Width 1800 mm. 2040 mm. 9. Min/Max. heights for horizontal drilling from ground level 0.5 Mts./1.80 Mtrs. 0.5 Mts./1.8 Mtrs. 10. Compressed Air requirement 11. Weight of Wagon Drill (Approx.) Special Features - Wagon Drill Stable drilling capabilities Structurals designed for extra rigidity Base frame in Box-construction Anchoring arrangement ensures perfect stability during drilling Rear wheel swivelable by 90? to prevent movement during toe hole drilling Effectively braked wheels with telescopic adjustable stabilisers in the front, holding the unit firmly Locking arrangement between mast and boom provides extra rigidity Easy manoeuvrability - both in manual and self propulsion modes Centralised sensitive controls with Auto feed arrangement ensure easy operation and reduction of operators fatigue Special Features - Motor Units Rotation and winch units modified to provide additional power for faster drilling and rapid withdrawals, longer tool life etc. resulting into better productivity. Heavy duty steel castings & forgings Precision machined components Durable alloy Bronze bush bearings supported by sturdy retaining rings Heavy duty rotation gear box with involute profile Gear tooth, duly corrected to prevent failure Stierdy out-put shaft with extra bearing support and thicker thread profile Specially designed fluid seal to prevent air leakage AIR MOTOR UNITS Rotation Unit Feed / Winch Unit Self Propulision Unit Pneumatic Motors (for JRD-120) Air Motor + Gear Box B.H.P. at 1250 RPM and at 7 Kg.cm? Gear Ratio Rotation speed RPM Max Torque Pull Down Force Pull Up Force Max Pull Up Speed Travelling Speed Rotation Unit4 Cylinder-Piston type Air Motor directly coupled to spur type gear box 4.0 - 4.5 1:24.4 0-50 1125Nm(10,000 in lbs) - - - - Winch Unit4 Cylinder-Piston type Air Motor directly coupled to spur cum worm drive gear box 4.0 - 4.5 1:29.7 - - 0-2200 kgf 0-2200 kgf 15 M/Min - Self Propulsion Unit4 Cylinder-Piston type Air Motor directly coupled to spur cum worm drive box 4.0-4.5 Fox 2M .Mast 6 H.P 3M Mast 1:98.3 - - - - - 0-1.5 km/hr.