Longevity for all conditions !
Today's mining industry is a big challenge. To increase the productivity of a quarry, machines should drill fast but secure. Gemsa’s Marmorok 90 surface down the hole drill rig designed especially for marble quarries and also perfect choice for granite and limestone operations. Your new work mates ensure continuous and uninterrupted operation with improved safe working environment, even in the harshest conditions. Machines can drill vertical to horizontal ( with minimum ground clearance on horizontal drill) and also inclined. Comfortable operating environment with solutions that enable seamless interaction of man and machine with adding smooth interaction of the modern control system with simple icon displays, carefully designed ergonomic features and excellent visibility. All service points can be easily accessed and maintained.
Drilling Depth Guidelines
Hole Diameter Ø : 90 mm ( 3.5 in)
Hole Depth : 40 m ( 130 ft )
Drilling Method : DTH ( Down the hole )
DTH Hammer : 3 in
Auxilliary Air Compressor :
Recomend. Air Supply : 15 bar (218 psi) - 8,6 m3/min (304 cfm)
Ideal Air Supply : 12 bar (174 psi) - 7 m3/min (247 cfm)
Min. Air Supply : 8 bar (174 psi) - 7 m3/min (247 cfm)
Built for Flexibility
MARMOROK 90 is well known as high performance in terms of speed, reliability and long life. It is based on proven and tried technology. Well suited to high-scale production work in marble quarries.
Rig has GEMSA DW model drill head can drill in both ways. It is designed to increase productivity and save time.
Frame Assy - Undercarriage
Weight of the Rig : 3.8t - (8.377 lb)
Length with mast : 4.500 mm (14,7 ft)
Width : 2.400 mm (7.8 ft)
Height : 2.500 mm (8,18 ft )
High Strength & Durability.
Rig build with frame parts ST52 -S355J2H is a hot-finished, non-alloy, fine grain steel , making it suitable for heavy-duty applications. Impact resistance: S355J2H exhibits good toughness and impact resistance, which is important for structures subjected to dynamic loads. Compliance with standards: It conforms to the European standard EN 10210, ensuring consistent quality and performance.
Marmorok's all profiles certificated.
3x3 - Independent Wheel Drive
Gemsa design three wheel drive system, Rig can move quickly and steady over the most rough terrain , has greater maneuverability. Ease of relocating the drills between drill sites. For long tramming on site , gearboxes have manual brake release, and gives advantage for towing purpose.
Traction can control from back operator standing platform and near drill control panel gives advantage to position rig for drilling.
Diesel Engine
Marmorok 90 is equipped with compact 3-cylinder oil-cooled diesel engine with inline turbocharging system. 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 with best cold starting properties even under extreme conditions.
Model : DEUTZ EU Stage IIIA / US Tier 4 i
Engine Power : 31,2 kW (42 hp) @2300 rpm
Max Torque : 137 Nm (101.05 ft-lb) @ 1700 rpm
Cooling System : Oil-cooled
Drill Mast & Feed System
Drill Mast Length : 4.020 mm (13,2 ft)
Feeding Stroke : 2500 mm (8,2 ft)
Fast Feeding Down Speed : 30 m/min (98,43 ft /min)
Pull Back Force : 25 kN (5.620 lbf )
Rod Length : 2 mt (6,56 ft)
Drill Head - Rotation
Working Pressure Max. : 150 bar (2175 psi)
Drill Head Torque : 1020 Nm ( 752 lbf ft)
Drill Head Rotation Speed : 0-100 rpm
Built for Tough !
Easy to set up the rig with its versatile and flexi-boom structure. This Gemsa design boom structure, gives fast and secure drilling from vertical to horizontal ( with minimum ground clearance ) , inclined and even face drill to drill surface.
Robust mast structure can be easily accessed and maintained. Operator has excellent accessibility for minor and major maintenance work.
GEMSA DW Model Drill Head is a modular , compact design for maximum flexibility and with easy interchangeability of individual components. It can drill in both ways. It is based on proven and tried technology with simple design, which ensures continuous and uninterrupted operation ,even in the harshest conditions.
Machine Controls
Drilling : Hydraulic -Manuel Control
Tramming : Hydraulic Pilot Control
Tramming : Radio Remote Control (Optional)
Operator & Machine become a winning team !
On top of high performance, the Marmorok Series guarantees simple and comfortable machine operation. Featuring a modern, accurate control system with high quality hydraulic components to get highest circuit efficiency and productivity.
Marmorok 90 ( Benefits )
Highest reliability in flexible drilling !
* Rig capable of drilling straight, vertical and horizontal holes that enable the wire cutting operation.
* Well suited to large-scale production work in quarries.
* Easy to operate Marmorok 90 from its ergonomic design manual control panel.
* Quick access to main hydraulics and power pack components make maintenance procedures much more simple.
Options to Improve your drill rig !
Extensive range of standard features and options to increase your productivity!
Hydraulic & PLC control dust collector, designed to handle high volume dust loads. Its 30 year experience dust collector system can be assemble on rig deck.
Gemsa model pneumatic foam & water pump can be use (if dust collector not assembled) to supress dust while drilling. Working pressure max 8bar ( 116 psi )
Hydraulic control rod keys can be used for safe and secure rod changing operations. Operator can control from drilling control panel.