video corpo

Cat® MD6290 Rotary Blasthole Drills
8Pages

{{requestButtons}}

Catalog excerpts

Cat® MD6290 Rotary Blasthole Drills - 1

Rotary Blasthole Drills Rated Capacity Bit/hole diameter Depth single-pass (8 m mast) Depth multi-pass Depth single-pass (10 m mast) Depth multi-pass Depth single-pass (11m mast) Depth multi-pass Operating Temperature Min. ambient rating (standard) -28°C (-20°F) Cold weather option Max. ambient rating (standard) 52°C (125°F) Pull-down/Hoisting Capacity Rated pull-down capacity Up to 267 kN (60,000 lbf) Rated hoist capacity Feed rate Retract rate Open-loop, hydraulic (stationary barrel, moving rod) Pull-down cylinder stroke Head travel (8 m mast) Pull-down cylinder stroke Head travel (10 m mast) Pull-down cylinder stroke Head travel (11m mast) Cylinder bore Cable type Cable sheaves (cylinder) 406 mm OD (16 in) Cable sheaves (top & bottom) 559 mm OD (22 in) Sheave guards Standard at bottom plate Adjustable head guide shoes Steel with replaceable NylatronT

Open the catalog to page 1
Cat® MD6290 Rotary Blasthole Drills - 2

Rotary Drive System Rotation speed Horsepower capacity Main thrust bearing Drive motor Casting design Taper roller Straight spur Cooler Assembly Radiator-CAC-Oil Cooler Assembly for Cat8 C15 (Tier III) 403 kN (540 hp), single, front-end mounted Air-finned, three-core, radiator/aftercooling/hydraulic side-by-side compressor, CAC-stacked Cooler height Cooler width Engine radiator Coolant connections Sealed top tank, pressure cap, overflow tube and sight glass Compressor oil core hose connection Hose connections Air-to-air cooler Standard ambient rating

Open the catalog to page 2
Cat® MD6290 Rotary Blasthole Drills - 3

Cooler Assembly (continued) Radiator-CAC-Oil Cooler Assembly for Cat8 C27 (Tier II) 597 kW (800 hp), single, front-end mounted Air-finned, four-core, radiator/hydraulic side-by-side compressor, CAC-stacked Cooler width 2896 mm ( 114 in) dual fan Cooler height Engine radiator Top tank Sealed deaeriation tank, pressure cap, overflow tube Standard ambient rating 52° C (125° F) Radiator-CAC-Oil Cooler Assembly for Cummins QXR-15 front-end mounted Air-finned, three-core, radiator/aftercooling/hydraulic side-by- side compressor, CAC-stacked Cooler height Cooler width Engine radiator Coolant...

Open the catalog to page 3
Cat® MD6290 Rotary Blasthole Drills - 4

Compressor (continued) Compressor (Optional) Type (high-pressure) Oil-flooded, two-stage screw Discharge air flow (sea level) Type Dry-type with safety element/SRG 20 Engine (Standard) Rated horsepower Full load Starting system Safety shut-down system Energized to run Dry-type with safety element Muffler guard Jacket water cooling/CAC Fuel tank Turbo & manifold covers Blankets and/or exhaust wrap Engine (Optional)_ Rated horsepower Full load Starting system Safety shut-down system Energized to run Dry-type with safety element Muffler guard Jacket water cooling/CAC Radiator Fuel tank Turbo &...

Open the catalog to page 4
Cat® MD6290 Rotary Blasthole Drills - 5

Engine (continued) Engine (Optional) Rated horsepower Full load Starting system Safety shut-down system Energized to run Dry-type with safety element Muffler guard Jacket water cooling/CAC Radiator Fuel tank Turbo & manifold covers Blankets and/or exhaust wrap ASTM 500 grade B rectangular tubing, welded Main chord size Front 203 mm (8 in) x 102 mm (4 in) Pivot and raising area Rectangular tubing A frame; reinforced in high-stress areas Hydraulic lines Pressure-rated steel hydraulic tubing Hose rack Sheet steel trough for moving hoses Table hole diameter deck hole for guide bushing...

Open the catalog to page 5
Cat® MD6290 Rotary Blasthole Drills - 6

Operator's Controls (continued) Standard drilling controls Leveling jack controls (hydraulic) Mast elevation control (hydraulic) Main rails HOBO/Break-out wrench control (electric) Pull-down control (electric over hydraulic) Pull-down pressure control (pilot hydraulic) Rotation control (electric over hydraulic) Propel controls (electric over hydraulic) Carousel in/out control (electric) Carousel indexing control (electric) Carousel indexing (electric) Mast lock (electric) Dust/water injection (electric) Dust curtain (electric) Deck wrench control (electric) Level indicator (bubble)...

Open the catalog to page 6
Cat® MD6290 Rotary Blasthole Drills - 7

Hydraulic System Left Track/Rotation Pump (Closed-loop)_ Axial piston, variable volume Right Track Pump (Closed-loop)_ Axial piston, variable volume Accessory Circuit/Feed Pump (Open-loop)_ Axial piston, variable volume Pressure rating Pressure rating Track Drive Motors Bent axis fixed volume Pressure rating Rotation Drive Motor Axial piston variable volume Pressure rating Pressure rating Pump Drive Gearbox Rubber coupler/drive shaft to Filtration (All Alters have indicators and bypass)_ Loop 12 micron, 2 per loop (optional) Main return Case return Oil-Cooling System (Hydraulic Tank)...

Open the catalog to page 7
Cat® MD6290 Rotary Blasthole Drills - 8

Accessories, Tools and Handling Equipment (continued) HOBO Break-Out Wrench Wrench type Outside mast, under pipe rack Patented HOBO (Hydraulically Operated Break-Out) Hydraulic Cylinders Accessories, Tools and Handling Equipment (continued) Pipe Rack (outside the mast)_ Carousel, with stationary breaker plates Size of drill pipe/capacity Size of drill pipe/capacity Length of drill pipe Pipe rack swing Hydraulic cylinders (2) Pipe rack index Hydraulic motor through chain drive Location Outside mast Cable size Safety hook Swivel-type positive lock Basic Shipping Weights and Dimensions...

Open the catalog to page 8

All Caterpillar Global Mining catalogs and technical brochures

  1. 745

    28 Pages

  2. 725C2

    28 Pages

  3. Cat ® 621K

    4 Pages

  4. D9T

    20 Pages

  5. D8T

    20 Pages

  6. 777D

    28 Pages

  7. 775G

    32 Pages

  8. 773E

    24 Pages

  9. 772G

    28 Pages

  10. 772

    32 Pages

  11. 770

    32 Pages

  12. 16M

    24 Pages

  13. 14M

    28 Pages

  14. 795F AC

    24 Pages

  15. 793D

    32 Pages

  16. 789D

    28 Pages

  17. 789C

    28 Pages

  18. HW300

    16 Pages

  19. 785D

    24 Pages

  20. D11T/D11T CD

    28 Pages

  21. D10T

    20 Pages

  22. LHD Vehicles

    8 Pages

  23. Master Idler

    399 Pages

Archived catalogs

  1. Draglines

    8 Pages

  2. Scoops

    8 Pages

  3. Face Haulers

    12 Pages

  4. Jumbo Drills

    12 Pages