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- Compact and agile design allows easy assembly on feed
- Universal connections to minimize hydraulic and mechanical adaptations
- No tie rods; single body drifter prevents seizing and breakage issues
- Hydraulic reverse percussion improves rod and bit lifespan
- Easy maintenance with long intervals and maintenance kits available
- High torque rotation allowing up to GT60 diameter
- Long hole drilling for both surface and underground drilling
- Upgraded energy per blow for increased penetration rate
Montabert drifters are the result of years of experience in hydraulic rock breakers and drifters design and manufacturing. In-depth knowledge of shock wave transmission and percussion mechanism theory has allowed our engineers to be the first to develop new concepts such as hydraulic dampening and progressive blow energy.
Our close relationship between manufacturing and engineering, ultra modern machining tools, and sophisticated heat treatment workshop in our Saint-Priest plant, are some of the factors that have allowed us to offer hydraulic drifters which are recognized as the worldwide leaders for:
- High performance
- Best reliability
- Long maintenance intervals
- Low tool consumption
Design excellence
Energy recovery valve
This valve allows the piston rebound energy to be utilized for the next blow, giving a definite advantage to the HC series drifters:
- Better efficiency
- No internal peak of pressure source of cavitation
- Best drifter protection
Progressive blow energy
The unique design of the piston generates a perfect, long trapezoidal-shaped shock wave:
- Better energy transmission to the bits
- Minimum stress into the drill string
- Better bit penetration
Hydraulic dampening system
The action of the dampening piston not only absorbs the lost part of reflected energy but also ensures a constant thrust onto the tools:
- Optimum shock wave transmission
- Protection of the drifter and tools
- Reduced vibrations
Hydraulic reverse percussion
The optimal hydraulic reverse percussion system ensures a real back hammering:
- Tool extraction in fractured ground
- No rods left in the hole
Straight holes drilling
When associated with Montabert drilling controls