Mintec 12.8
Description
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
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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. |
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Deck Engine |
Caterpillar C15 540 HP diesel engine standard, other options available. |
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Mast Dimensions |
Working mast height using main winch: 9140mm |
Working mast stroke using the rotary head: 7600mm |
Mast dump to 45 degrees |
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Head Traverse |
Hoist = 24.4m/m (80ft/min) |
Rapid Hoist = 45.7m/min (150ft/min) |
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Feed = 17.4m/min (57ft/min) |
Rapid Feed = 30.5m/min (100ft/min) |
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Mast Capacity (Standard version and heavy duty version-HD) |
Pullback: 12800kgf HD Pullback: 16000kgf |
Pulldown: 7500kgf HD Pulldown : 7500kgf |
Hook load (max): 12800kgf HD Hook load (max): 16000kgf |
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Rotary Head Performance |
Option 1 |
Rotation (max) 750rpm |
Torque (max) 12050Nm |
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Option 2 |
Rotation (max) 1250rpm |
Torque (max) 13000Nm |
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Rotary head tilt and side shift |
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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 |
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Standard Compressor |
Ingersoll Rand XHP 900 (900CFM/350psi) |
Other options available |
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Main Winch |
Maximum single line pull: 7800kgf |
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Wireline Winch |
Maximum single line pull: 1000kgf |
Maximum speed: 185m/minute |
Drum capacity: 1600m of 6mm wire rope |
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Coring pump |
Standard: Hydraulically driven triplex pump |
Maximum flow rate: 200 litres/minute |
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Maximum discharge pressure: 1000psi |
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Inline Oil Lubricator |
Fitted as standard and used when operating a DTH hammer |
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Hydraulic System |
Hydraulic power circuit based on load sensing hydraulic pumps and proportional control valves |
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Drillers Control Panel |
Uncomplicated and user friendly with ergonomic layout (swing out arm mounting optional) |
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Rod Spin Safety Guard |
Various options available |
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Levelling Jacks |
Two front and two rear jacks with individual locking valves |
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Lighting and Electrical System |
Rig is provided with mast and control panel lighting and the electrical system is 24 volt |
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Drilling Capacities* |
4" RC (25kgs/m) drill rod= 410m |
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PQ (15.33kgs/m) drill rod = 660m |
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HQ (11.6kgs/m) drill rod = 890m |
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NQ (8.0kgs/m) drill rod = 1280m |
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Optional Equipment |
RC Drilling Conversion Kit - For reverse circulation drilling applications |
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Main Winch Fitted to Top of Mast- Maximum single line pull= 7800kgf; Maximum speed= 80m/minute; Drum capacity= 30m of 22mm wire rope |
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Pipe Handling Boom Crane - For loading and unloading drill pipe and light site work |
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Rod Spinner - Chuck type floating rod spinner with adjustable torque control and side swing in mounting. |
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Double Acting Hydraulic Make Up and Break Out Clamp - With minimum clamping diameter of 60mm and a maximum of 250mm |
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Drill Rod Rack - Mounted on carrier |
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Other options available on request |
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* Based on 80% of drill string weight in dry hole
Photos
http://www.dando.co.uk/mineral-exploration/mintec-12-8#sigProGalleria27a0443cf0
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