| MODEL
|
|
DR –500
|
HYDRAULIC SYSTEM
|
|
|
| Rated capacity
|
:
|
Drill Rod Hole Dia Depth
|
Pump type
|
:
|
Fixed displacement vane type.
|
|
|
|
60 mm 152 mm 198.2 mtrs
|
Discharge
|
:
|
60 LPM at 70 Kg./cm2
|
|
|
|
73 mm 203 mm 152.5 mtrs
|
Drive
|
:
|
Direct coupled
|
|
|
|
89 mm 305 mm 91.5 mtrs
|
|
|
|
| MAST
|
:
|
|
ENGINE |
:
|
Truck / Trailer / Skid
|
| Construction
|
:
|
Electrically welded tubular steel construction
|
Model
|
:
|
Truck Engine Diesel Diesel
|
| Height- Standard
|
:
|
5.48 mtrs. (above rotary table)
|
BHP
|
|
---- 40 40
|
| - Optional
|
:
|
8.23mtrs (above rotary table)
|
Speed (RPM)
|
|
---- 2000 2000
|
| Gross Load capacity
|
:
|
9091 kgs
|
|
|
|
| Crown Block
|
:
|
2 sheaves for wire lines;
|
TRANSMISSION |
:
|
4 or 5 forward and 1 reverse
|
|
|
|
Angled over the drums;
|
KELLY |
:
|
73 mm x 4.27 Mtrs.
|
|
|
|
2 spring mounted pull-down
|
|
|
Long Round 3 flutted.
|
|
|
|
Tension sheaves.
|
LEVELLING JACKS |
:
|
4 Nos. mechanical
|
| Raising & Lowering
|
:
|
Two double acting Hydraulic cylinders
|
MOUNTING |
:
|
Truck or Trailer
|
|
|
|
|
OVERALL DIMENSION |
:
|
Approx. Mast lowered position
|
| ROTARY TABLE
|
:
|
|
|
|
Length : 60 Mtrs.
|
| Opening
|
:
|
120 mm
|
|
|
Breadth : 30 Mtrs.
|
| Construction
|
:
|
Spiral Bevel Gears; Oil bath lubrication. Roller bearings.
|
|
|
Height : 3.20 Mtrs.
|
| Drive
|
:
|
Torque tube
|
|
|
|
|
|
|
|
|
|
|
| Clutch
|
:
|
Disc
type
|
|
|
|
| Retraction
|
:
|
356
mm Hydraulic actuated
|
|
|
|
| PULL DOWN
|
:
|
|
|
|
|
| Type
|
:
|
Chain, Hydraulic actuated.
|
|
|
|
| Feed
|
:
|
3.96
Mtrs.
|
|
|
|
| Max. Pull
down load
|
:
|
2273
Kgs
|
OPTIONAL : |
|
|
|
|
|
|
*
PRECISION make , S-150 Duplex double acting mud pump
having 139.7 mm bore and 152.4 mm stroke at a maximum
of 100 strokes/min with a discharge of 915 LPM at 17.99
Kg/cm2 pressure
|
| DRAW
WORKS
|
:
|
Two
identical Drums.
|
* DTH
attachment for drilling in hard Rock by DTH
method. |
| Barrel
dia x Length
|
:
|
133
mm x 127 mm
|
*
Hydraulic leveling jacks with safety check valves. |
| Flange
dia
|
:
|
305
mm
|
*
Hydraulic Break out Wrench. |
| Pull
Capacity
|
:
|
2273
Kgs. (single line bare drum)
|
|
| Clutch
|
:
|
Multi
disc type
|
| Brake
|
:
|
High
leverage mechanical
|
| Drive
|
:
|
Torque tube
|
| MUD PUMP
|
:
|
STANDARD |
| Make
|
:
|
Precision
|
| Model
|
:
|
S-125
|
| Type
|
:
|
Duplex double acting
|
| Bore x
Stroke
|
:
|
114.3 mm x 127 mm
|
| Max.
Stroke/Min
|
:
|
110
|
| Pressure
& Discharge
|
:
|
550 LPM at 13.85
kg./cm2
|
| Drive
|
:
|
`V’ Belt
|
| Clutch
|
:
|
Friction disc type
|
![Direct Rotary Drills [DR 500]](images/DirectRotary500.jpg)
