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Home Drilling Rigs Mineral Exploration Mintec 12.8

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The multipurpose Dando Mintec 12.8 is an extremely powerful mid-range mineral exploration drilling rig with a pullback capacity of 12800kgf and can be used for wireline drilling, RC drilling (Reverse Circulation) and RAB drilling (Rotary Air Blast.) The drill is suitable for all types of mineral exploration and is currently proving very successful for coal exploration in Indonesia. Also available in a compact version with smaller tracks and no compressor or a heavy duty version with an increased pullback of 16000kgf.

Specification

Carrier Options
Crawler mounted is standard but can also be supplied on: Heavy duty commercial 6 x 6 truck - Trailer mounted - Mounted on customer own support vehicle/structure/skid.

Deck Engine
Caterpillar C15 540 HP diesel engine standard, other options available.

Mast Dimensions
Working mast height using main winch: 9140mm
Working mast using the rotary head: 7600mm
Mast dump to 45 degrees

Head Traverse
Hoist = 24.4m/m (80ft/min)
Rapid Hoist = 45.7m/min (150ft/min)
Feed = 17.4m/min (57ft/min)
Rapid Feed = 30.5m/min (100ft/min)

Rig Capacity
Pullback: 12800kgf
Pulldown: 7500kgf
Hook load (max): 12800kgf

Rotary Head Performance
Option 1
Rotation (max) 750rpm
Torque (max) 12050Nm
Option 2
Rotation (max) 1250rpm
Torque (max) 13000Nm
Rotary head tilt and side shift

Drill Table and Break Out System
As standard - Hydraulic foot clamp with jaws to suit BQ up to PQ wireline drill rods. Break out system is a double acting hydraulic cylinder with adjustable wrench
Other options available

Standard Compressor
Ingersoll Rand XHP 900 (900CFM/350psi)
Other options available

Main Winch Fitted to Top of Mast
Maximum single line pull: 18000kgs
Maximum speed: 68m/minute
Drum capacity: 45m of 22mm wire rope

Wireline Winch
Maximum single line pull: 1000kgf
Maximum speed: 185m/minute
Drum capacity: 1600m of 6mm wire rope

Coring Pump
Standard: Hydraulically driven triplex pump
Maximum flow rate: 200 litres/minute
Maximum discharge pressure: 1000psi

Inline Oil Lubricator
Fitted as standard and used when operating a DTH hammer

Hydraulic System
Hydraulic power circuit based on load sensing hydraulic pumps and proportional control valves

Drillers Control Panel
Uncomplicated and user friendly with ergonomic layout (swing out arm mounting optional)

Rod Spin Safety Guard
Various options available

Levelling Jacks
Two front and two rear jacks with individual locking valves

Lighting and Electrical System
Rig is provided with mast and control panel lighting and the electrical system is 24 volt

PDF Specification Sheet

Drill Depths

N (8.0kgs/m) drill rod = 1600m

H (11.6kgs/m) drill rod = 1103m

P (17.33kgs/m) drill rod = 738m

4" RC (25kgs/m) drill rod= 512m

Options

RC Drilling Conversion Kit - For reverse circulation drilling applications

Main Winch Fitted to Top of Mast- Maximum single line pull=7800kgf; Maximum speed= 80m/minute; Drum capacity= 30m of 22mm wire rope

Rod Handling Boom Crane - For loading and unloading drill pipe and light site work

Rod Spinner - Chuck type floating rod spinner with adjustable torque control and side swing in mounting.

Automatic Rod Handler- for increased safety when loading drill rods

Double Acting Hydraulic Make Up and Break Out Clamp - With minimum clamping diameter of 60mm and a maximum of 250mm

Drill Rod Rack - Mounted on carrier

Other options available on request 

Photos

Mintec 12.8- Gold Exploration in Saudi Arabia

Mintec 12.8- Coal Exploration in Sumatra, Indonesia

Mintec 12.8- Gold Exploration in Ghana

Mintec 12.8- Coal Exploration in Indonesia

Mintec 12.8- Dando Factory, UK

Video

Mintec 12.8 Coring in Indonesia

Dando Mintec 12.8 Drilling Rig Features

 

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