GRUNDODRILL 28N

GRUNDODRILL – 28N

TOP PERFORMER

POWER VEHICLE

SELF-SUPPORTING AND DYNAMIC

ACHIEVES PEAK VALUES IN EVERY DISCIPLINE

The existing drive power of 224kW is 100% converted into drilling power and is absolutely unique in the power class up to 300 kN pulling force.
The Bentonite pump supplies max. 650 l/min. for maximum productivity and fast drilling progress, even with large upsizing diameters.
The highly efficient engine technology with emissions standard Tier V has particularly low noise and emissions and is frugal in consumption.

POWERFUL DRIVE

Convertible for cable-guided boring for tracking in challenging terrains and great depths
Rack and pinion drive (toothed rack)
Stepless adjustment of torque and speed, maximum rotational power and maximum productivity at any speed
Optimum adaptation to ground conditions and requirements

01. Anchoring system for increased stability while drilling. Integrated high-pressure cleaner – for convenient cleaning of drill rig and automatic cleaning of the drill rods during upsizing/pipe pulling
02. Automatic rod exchange, high productivity, even wear of all rods due to a precise approach of the magazine bays. The largest rod magazine 288 m on board
03. Comfortable swiveling cabin for high operator comfort and convenience, clearly arranged with flexible positioning
04. Large GFRP service hood, easily accessible for service and maintenance
05. Biggest Diesel engine of its class – 224 kW drive capacity for simultaneous operation of all main functions under full load
06. Extra-wide rubberised steel track undercarriage, extremely mobile and self-supporting
07. Two stabilisers – maximum stability, variable cradle inclinationfor an ideal penetration angle

GROUND CONTROL

FULL VISION, MAXIMUM COMFORT

MAXIMUM OPERATING COMFORT

2 multi-function joysticks for all functions in bore and drive mode. Different operating modes, which can be freely selected by the machine operator:

Manual mode:

All machine functions controlled by the machine operator

Semi-automatic mode:

Memory functions for rotation and feed, Automatic paddle mode, Automatic rod change mode, Automatic reloading for rod magazine

Fully automatic operation:

incl. automatic drilling, automatic rod change, rod lubrication and cleaning, etc.

Service mode:

Complete diagnosis of drilling system via integrated display, Complete parameter setting/adjustment of bore rig via integrated display

TOP WORKPLACE

Panel PC with touchscreen and internet connection
High-resolution colour display
Language selection
Automatic bore data acquisition according to DVGW directive
Remote diagnosis with telemetry data transfer
LED lighting
Radio with Bluetooth hands-free system, CD drive and USB port

CUSTOM ERGONOMICS

Grammer comfort seat XL
- Air suspension with automatic weight adjustment
- Individually adjustable
- Seat heater
- Fabric cover
Panorama glazing for optimum overview
Swiveling cabin, can be locked in 5 positions
- If necessary, work can also be carried out in the cab’s transport position if conditions are tight
Heating and air conditioning

TECHNICAL SPECIFICATIONS

BASIC EQUIPMENT

Cummins motor Tier 4, for drive and bore mode, 224 kW
Stepless adjustment of torque and rotational speed for maximum rotation and highest level of productivity at any speed
Bore rig with rubber track undercarriage, stabilisers
Wireless remote control
Spacious cabin, comfortable seat, joysticks, panel PC with touchscreen, air conditioning
Automatic bore mode

Fully galvanised rod box
Fully automatic rod exchange system
Fully automatic clamp and break-away facility
Πλήρως αυτόματη σύσφιξη και αποσύνδεση στελεχών
Anchoring system
Powerful HP Bentonite pump on board the rig
Bore data logging – data transfer
High-pressure cleaner

POWER SUPPLY ON THE ISLAND OF SYLT COMPLETELY
CONVERTED TO UNDERGROUND CABLING

Grömitz, the “Baltic Sea spa on the sunny side”, with its mild climate, wide range of cultural activities and numerous leisure and sports facilities, invites around 260,000 overnight guests and around 550,000 day trippers to spend carefree holidays there every year.

It is situated on the north-western boundary of Lübeck Bay, which has been a seaside resort since 1813 and is not only the third most important holiday resort in the region, but also the most important in this region on the Baltic coast.

The 8 km stretching Baltic Sea beach with romantic dune landscapes, two bird sanctuaries, natural beach sections, as well as a 3.5 km long spa and beach promenade with spa gardens and a 398 m long pier ensures relaxing, beautiful and simply carefree (family) school holidays and vacations.