GEMSA's SURFACE DRILL RIGS
With extensive range of standard features and options !
Simple & robust
Gemsa model HPV drill rigs are designed for high operational efficiency with easy handling and mostly suitable for blast-hole production drilling in quarries, open-pit mining and construction work.
It is based on proven and tried technology with simple design, which ensures continuous and uninterrupted operation ,even in the harshest conditions.
Fine control of drilling functions
* Rig allows greater flexibility in positioning.
* Simple: Low maintenance costs and operator friendly
* Ergonomic design operator panel with manually operated hydraulic control valves
* Proven: High productivity in the field, reliable and durable, long
service life.
Drilling operation
Down the hole drilling. Hole diameter : 90-95 mm (3,5 - 3,74 in)
Drilling depth : 40m (130ft)
Most efficient power
DEUTZ 3-cylinder engine with inline turbocharging with an integrated oil cooling system. Best cold starting properties even under extreme conditions. The engines in the power range < 56 kW meets to the US EPA Tier 4 i. All parts for maintenance on one side of the engine, long oil change intervals and easy changing of engine fluids reduce the running costs and increase the availability of the machinery.An efficient injection system and optimized combustion ensure optimum engine performance at low consumption.
3x3 Wheel drive
An independent three-wheel drive system helps provide traction on rough terrain. Traction system is pilot control from backside platform and from drilling control panel.
Negative brake release for towing.
Easy to maintain and service.
All service points can be easily accessed and maintained.
Drill head - Rotation
HPV 32 / HPV 42* Drilling Rig :
Drilling Method : Down the hole (DTH)
Hydraulic Motor : Radial piston motor
Drill Head Torque : 1.072 Nm (791 lbf ft)
Alternative Motor * : 1.248 Nm (920 lbf ft)
Drill Head Rotation Speed : 90 rpm
Feeding system
Feeding System : Negative Brake Planetary Gearbox with Hyd. Motor
Drill Mast Length : 5.180 mm (16.9ft)
Feeding Stroke : 4.000 mm (13.12 ft)
Pull Back & Fast Feed Speed : 30 m/min (98,43 ft /min)
Pull Back Force : 25 kN (2,5 tones@160 bar)(5.620 lbf@2.321 psi)
Maximum Rod Length : 3 mt (9,84 ft)
Great flexibility under Simplicity !
Rokomobil is designed for high productivity with low operating cost and capable of taking on the most demanding rock blasting projects. It is based on proven and tried technology with simple design, which ensures continuous, uninterrupted operation ,even in the harshest conditions.
Rig allows greater flexibility in positioning. Easy to operate the rig by its ergonomic design manual control panel.
Non-stop operation !
Rokomobil offers a comfortable operating environment with solutions that enable seamless interaction of man and machine with adding smooth interaction of the modern control systems with simple icon displays, carefully designed ergonomic features and excellent visibility.
Thanks for the independently oscillating crawler unit , rig can operate in even the most rough, mountainous terrain and limits mobilization time on site.
Drilling operation
Down the hole drilling.
Hole dia : 90-100mm (3 1/2 in - 3.9in) ( 3” hammer)
Hole depth : 30 mt - 99 ft (3”hammer)
Hole dia : 108-127mm (4.25 in- 5 1/2in) (4” hammer)
Hole depth : 24mt - 79 ft (4”hammer)
High reliability in tough conditions
Rig overcomes rugged terrain in site environment with top performance from strong structurally sound crawler and high strength heavy duty frame.
• Smallest dimensions, robust connections
• Two speed independently
oscillating crawler group
• Flexible drilling advantage
• Fine control of drilling functions
• Rod changer system designed to save time to increase productivity.
Reliability in flexible drilling
Easy to set up the rig with its versatile and flexi-boom structure. It is capable of drilling good in straight, vertical as well as horizontal holes.
Thanks for Gemsa’s creative solution for rotary head, it saves time by both way drill and increase productivity.
Easy to maintain and service.
All service points can be easily accessed and maintained.
Drill head - Rotation
Drilling Method : Down the hole (DTH)
Hydraulic Motor : Radial piston motor
Drill Head Torque : 1.248 Nm (920 lbf ft)
Drill Head Torque* : 1.674 Nm (1.234 lbf ft)
Drill Head Rotation Speed : 90 rpm
Feeding system
Feeding System : Negative Brake Planetary Gearbox with Hyd. Motor
Drill Mast Length : 5.300 mm (17.4ft)
Feeding Stroke : 4.000 mm (13.12 ft)
Pull Back & Fast Feed Speed : 30 m/min (98,43 ft /min)
Pull Back Force : 25 kN (2,5 tones@160 bar)(5.620 lbf@2.321 psi)
Maximum Rod Length : 3 mt (9,84 ft)
All in one pack !
GEMROCK 32 is Gemsa’s medium range surface down the hole drill rig. Suitable for blast-hole production drilling in quarries, open-pit mining, anchoring and also for geo-construction applications alternative for medium size quarrying jobs.
It has onboard Bauer Rotorcomp compact unit air compressor “ 15 bar
(218 psi) - 8,6 m3/min (304 cfm)”.
Load-sensing hydraulics and powerful rotary head with up to 1.700 Nm (1.254 lbf ft) of torque.
Fine control of drilling functions. Improved safety and secure drilling, safe tramming with radio remote control. Great flexibility with extensive range of standard features and options.
Ultimate efficiency
Utilization of the rig is high, even in the worst imaginable terrain conditions. Independently oscillating crawler allows the rig to operate in even the most rough, mountainous terrain and limits mobilization time on site.
With GEMROCK 32 , there is no need to rely on luck !
Drilling operation
Down the hole drilling.
GEMROCK 32 can achieve depths approaching,
* 50 mt - “164ft” (Drill Hole : Ø 90 mm – Ø 100mm (3 1/2 in - 3.9in)) ,
* 40 mt - “130ft” (Drill Hole : Ø 108 mm – Ø 127mm (4.25 in- 5 1/2in)),
Onboard air compressor
Gemrock 32 is equipped with
equipped with Bauer Rotorcomp compact unit air compressor. It is an oil-injected screw compressor module that integrate the main parts of a compressor system and provide optimum operation reliability with ultimate efficiency and reduced noise through high volumetric output.
* It has thermally optimized oil injection system.
* Improved suction port efficiency giving reduced internal losses.
** Low power consumption due to;
Optimized torque characteristics and reduced internal friction. Improved outlet port with lower pressure losses.
** Reduced noise and low vibration due to;
Smooth rolling of the rotors
with new ROLLING PROFILE® .
Optimized outlet port.
Working Overpressure Max. : 15 bar(218 psi)
Max. Air Delivery : 8,6 m3/min (304 cfm)
Max Torque : 137 Nm (101.05 ft-lb) @ 1700 rpm
Ergonomic design
Your new work mate increase the driller’s comfort and support a safer environment to greater work output.
• Ergonomic user interface,
• Low noise level and vibration-free design,
• Excellent visibility on drill site,
• Daily & weekly maintenance points easily accessible,
• Efficient led lighting,
Drill head - Rotation
Drilling Method : Down the hole (DTH)
Hydraulic Motor : Radial piston motor
Drill Head Torque : 1.700 Nm (1.254 lbf ft)
Drill Head Rotation Speed : 100 rpm
Feeding system
Feeding System : Negative Brake Planetary Gearbox with Hyd. Motor
Drill Mast Length : 5.300 mm (17.4ft)
Feeding Stroke : 4.000 mm (13.12 ft)
Pull Back & Fast Feed Speed : 30 m/min (98,43 ft /min)
Pull Back Force : 25 kN (2,5 tones@160 bar)(5.620 lbf@2.321 psi)
Maximum Rod Length : 3 mt (9,84 ft)
Power and Flexibility in perfect harmony.
Gemsa’s Rokomoto is a
high production down the hole crawler drill rig. Its a solution for drilling in quarries and open pit mines.
Rokomoto has a rod handling capacity for hole depths of 36 meters (117 ft).
The ergonomically designed modern operator cab, with its userfriendly layout,
increases safety to the maximum and give you the highest productivity.
A reliable work mate
* Utilization of the rig is high, even in the worst imaginable terrain conditions. Independently oscillating crawler allows the rig to operate in even the most rough, mountainous terrain and limits mobilization time on
site.
* Easy to set up the rig with its versatile and flexi-boom structure.
* Volvo diesel engine with
more than enough power for
fast drilling in the most demanding rock.
• Onboard 2 stage screw compressor that
delivers a full 25 bar (362.5 psi) - 1070 cfm of air pressure for extra-high penetration
and strong flushing – giving
straight clean holes that are
easier to charge.
Drilling operation
Down the hole drilling.
Rokomoto can achieve depths approaching
(due to rod handler),
* 36 mt - “118ft” (Drill Hole : Ø 90 mm – Ø 100mm (3 1/2 in - 3.9in)) ,
* 36 mt - “118ft” (Drill Hole : Ø 108 mm – Ø 127mm (4.25 in- 5 1/2in)),
Robust design
Rokomoto diesel powered, down-the-hole (DTH) drill has improved mobility, with minimal environmental impact and can serve multiple sites. Designed for DTH blasthole drilling in mining, quarry and construction industries. It comes with an operator’s cabin, fixed boom, Gemsa model dry dust collector and drill pipe rod handler system.
Durable & Compact
Rokomoto powered by Volvo Penta diesel engine which gives maximum power and torque available at low rpm. As a
result, noise as well as fuel consumption is very low. Efficient injection as well as robust engine design
contributes to excellent combustion and low fuel consumption.
EU Stage ll / EU Stage V available.
Easy to maintain and service.
Easily accessible service and maintenance points
contribute to the ease of service of the drill rig.
All service points can be easily accessed and maintained.
Drill head - Rotation
Drilling Method : Down the hole (DTH)
Hydraulic Motor : Hydraulic Orbital Motors
Drill Head Torque :
Serie : 4.000 Nm (2.950 lbf ft) @ 10-100 rpm
Parallel : 8.000 Nm (5.900 lbf ft) @ 10-50 rpm
Operating Pressure : 180 bar ( 2610 psi)
Feeding system
Feeding System : Hydraulic feed cylinder
Feeding Stroke : 7.500 mm ( 24,38 ft)
Pull Back Force : 6 kN (6 tones)- 13.488 lbf
Pull Back Speed Avr. : 40 m/min (130,8 ft /min)
Maximum Rod Length : 6 mt (19,56 ft)
Hydraulic contor automatic rod changer:
Capacity ( 5+1 Rods Ø 89x6.000 mm)
Capacity ( 5+1 Rods Ø 127x6.000 mm)
