EK250SM
Applications
Kelly Bar
The EK250SM
TECHNICAL SPECIFICATIONS
| Standard Chassis: | CAT 336 Next Gen | CAT 336 Next Gen |
| Installed Power: | 314 hp | 234 kW |
| Maximum Torque: | 234,500 ft.lbs | 31,800 kg.m |
| Maximum Diameter | 13 ft | 4,000 mm |
| Standard Drilling Depth: | 72 ft | 22,000 mm |
| Crowd Force: | 73,000 lbf | 33,000 kgf |
| Crowd Cylinder Stroke: | 9 ft | 2,750 mm |
| Main Winch Line Pull: | 58,700 lbf | 26,500 kgf |
| Minimum Transport Weight: | 107,000 lb | 48,600 kg |
| Operation Weight | 172,000 lb | 78,200 kg |
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About the EK250SM
The EK250 is a cylinder crowd drilling rig mounted on a CAT336. It is CZM’s most popular machine for drilling on very hard rock. The size and weight of the rotary and kelly bar allow a high effective crowd force. It is deal to handle large diameter, deep holes on hard rock. It can be supplied as a Standard or Short Mast configuration.
Base:
- The new Cat 336 Next Gen powered by a fuel efficient Tier 4 Final C9.1 ACERT engine.
- Equipped with CAT Vision Link that allows management to monitor machine operations and maintenance data online.
Undercarriage:
- Caterpillar variable undercarriage VH5000/4300/800. Reinforced frame H style variable undercarriage.
Mast:
-
Reinforced mast, with high resistance steel Weldox 700.
Main Winch:
- Special groove for better cable winding and longer cable life.
- Press-roller included.
- 2 gears allows for both high speed and high pulling force.
- Automatic gear shifting, for seamless operation, high production.
- Automatic down the hole winch stop.
- Free willing winch during crowd operation.
- Hydraulic and mechanic brake.
- Hydraulic measurement of pulling force displayed in the cabin.
Rotary:
- Robust design, with 2 slewing bearings on top and bottom, robust pinion and main gear.
- 2 groups of Hydraulic Motor / Planetary Gears for high torque and long life.
- Anti-cavitation, anti-shock and cooling system for longer hydraulic motor life.
- Power-shift for High spin-off speed (120rpm) for quick discharge of soil.
- 3 operation speeds and 3 spinoff speeds. For high torque and high speeds.
- Automatic gear shifting, for seamless operation, high production.
- Exchangeable keys, bolted. No need to rebuild keys by welding inside the rotary.
- Hydraulic measurement of torque displayed in the cabin for the operator.
Cab:
- AM/FM Radio, Air conditioning/Heating
- ROPS cab & Top protection.
- LCD monitor for Engine and Hydraulics computer, with diagnostic system.
- CZM Canbus System for Drilling Monitoring with auto functions.
EK250SM
Technical Drawings
EK250SM
Photo Gallery
