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Cat® MD6420 Rotary Blasthole Drill (13 or 16 m Mast)0 pages
Specifications
nnnn13- or 16-Meter Mast Configuration
nnnnHole diameter
nnnnUp to 311 mm (12.25 in)
nnnnDepth single pass (16 m config) 16.46 m (54 ft)
nnnndepth multi-pass Up to 65.2 m (214 ft)
nnnnDepth single pass (13 m config) 13.4 m (44 ft)
nnnndepth multi-pass Up to 74.4 m (244 ft)
nnnnOperating Temperature
nnnnMin. ambient rating (standard) -28°C (-20°F)
nnnnCold weather option -40°C (-40°F)
nnnnMax. ambient rating (standard) 52°C (125°F)
nnnnAltitude Up to 4 572 m (15,000 ft)
nnnnPull-down/Hoisting Capacity
nnnnPull-down capacity
nnnnUp to 383 kN (86,000 lbf)
nnnnHoist capacity
nnnnUp to 15 970 kg (35,207 lbf)
nnnnDrilling feed rate
nnnn0-19 m/min (0-61 fpm)
nnnnRetract rate
nnnn0-33.5 m/min (0-110 fpm)
nnnnPull-down cylinder stroke
nnnn(16 m config)
nnnn9.14 m (360 in)
nnnnHead travel (16 m config)
nnnn18.29 m (720 in)
nnnnPull-down cylinder stroke
nnnn(13 m config)
nnnn7.62 m (300 in)
nnnnHead travel (13 m config)
nnnn15.24 m (600 in)
nnnnType
nnnnOpen-loop hydraulic
nnnn(stationary barrel, moving rod)
nnnnNumber of cylinders
nnnnCylinder bore
nnnn165 mm diameter (6.5 in)
nnnnCylinder rod
nnnn127 mm diameter (5 in)
nnnnPull-down/Hoisting Capacity (continued)
nnnnCable type
nnnn29 mm (1.125 in)
nnnnDYFORM 8
nnnnCable sheaves (cylinder)
nnnn457 mm OD (18 in)
nnnnCable sheaves (top and bottom) 457 mm OD (18 in)
nnnnSheave pins with roller bearing 70 mm (2.75 in) diameter
nnnnSheave guards
nnnnStandard at bottom plate
nnnnAdjustable head guide shoes
nnnnRotary Drive System
nnnnRotation speed
nnnnoptional
nnnnTorque
nnnnHorsepower capacity
nnnnGearbox
nnnnMain thrust bearing
nnnnLubrication
nnnnGearing
nnnnRatio
nnnnDrive motor
nnnnSteel with replaceable
nnnnNylatron
nnnn0-110 rpm, 0-150 rpm
nnnn0-15 185 Nm (0-11, 200 ft-lb)
nnnn216 kW (290 hp)
nnnnCasting design
nnnnTaper roller
nnnnOil-flooded
nnnnStraight spur
nnnn16 to 1
nnnnSee hydraulic system
nnnnm
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