Atlas Copco Blasthole DrillsDM-M3

It all starts with the blasthole . . . and the blasthole starts with the DM-M3 power and performance.

A unique patented feed system:

• Longerheadtravelwithsmallercylinder rod.• Heavy-dutycablesthatprovide1:4 weightreductionoverchain.• Interchangablecablepieces.• Lesstowerweightwithbetter distributionfortramming.• Cablethatdetectswearearlierandisless expensivethanchain.

An unparalleled rotation system:

• Largestcontinuoustorque/RPMenvelope available.• Instantcompensationtochangesin groundconditionswithoutspecialgear setremovaloraddition.• 2-stagereductionwithlargespurgears maintainsinertiaandismoredurable thanexternalplanetarygears.• Highpressure,lowflow,pressure compensatedclosedloophydraulic systemismoreefficientandlongerlived.• Powerheadweightexceeds5,000lbs (2,313kg)toaddtobitloading.

A strong and rigid drill tower:

• Fourmainmember,openfrontASTM A500GradeBrectangularsteeltubing; coldsawedandwelded.• Doublecutlacingusedtocontain bendingmomentswithinthetower structure.• Two(2)hydraulic8"bore(20.3cm)tower raisingcylinders.• Towercanberaisedandloweredin secondswithafullcomplementofdrill pipeinthecarouselandundertherotary head. •Remotepinningfromthecab.•Patentedangledrillsystemavailableas anoption-keepspivotpointatdrilldeck anddrillpipealwayswithinthedust curtainevenat30maximum.

Versatility and adaptability:

• TheDM-M3isavailablewithmanyoptionsand choicesoffeaturestopermitittoadapttoany miningsituationanywhereintheworld.• Newprocessesareinplacetoexpandthe capabilitiesoftheDM-M3evenmore.

Product support and parts:

• AtlasCopcoworldwidenetworkwillsupportthe DM-M3whereverthereisdrillingtobedone.• GenuineAtlasCopcopartswillkeepyour DM-M3runningatpeakefficiency.

A reliable and efficient power pack group:

• Aircompressor,primemoverandhydraulic pumpsin-line,drivenbydouble-endedshaft withflexiblecouplingtobettermaintain alignment.• Floatingsubframeminimizestransmissionof shockloadstopowerpack.• Separate,3-stageinletdry-typeairfiltersfor compressorandengine.• Standardsplitcoolingto125F(52C)with separatecoolerforhydraulicoilandcompressor oil.• Ambientairusedthroughthecoolersrather thanheatedairovertheengine.• Closedloophydraulicsystemforgreater efficiency.• Three(3)hydraulicpumpsasopposedto5-7,to reduceparasiticload.• Divertervalueusedratherthanclumsy mechanicaldisconnects,preventsaccidential trammingwhileindrillmode.• Excellentaccesstothehydraulicpumpsfor reducedservicetime.• Two(2)setsof3micronfiltersminimize hydrauliccontamination.• Compressedairisnotusedtosupercharge pumpsinordertoreducefirehazard.• Ingersoll-Randasymmetrical,oil-floodedrotary screwaircompressorforsingle-source warrantyandserviceresponsibilty.• Compressorisratedat110psig(758kPa)for betterbitcleaning,coolingandlubrication.• Agearpumpprovidespositivelubricationto thecompressorbearingsatalltimes.• A"zero-load"systemtounloadcompressor whennotneededtoextendcompressorlife, reducefueluseandpromoteeasiercold weatherstarting.• Coolersarelocatedonthesidesofthedrill deck,notunderthetowerrestwheredrilldust canbeingestedwhenthetowerislowered.

A sturdy and stable drill platform:

• Mainframedesignedandweldfabricated ofASTMA-441-50I-beam;24x146.• Radiusgussetsusedforreinforcement atmajorstresspointsforreduced deflectionandbetterstressdistribution.• Threehydrauliclevelingjacksfor maximum"tripodstability".• An"Excavator-type"undercarriageis usedforbettertractionandslewing ability.• Triple-bargrouserpadsarereplaceable forreducedmaintenanceanddowntime.• Oscillationyokemountingwith5each directionortotal10upanddownto minimizestressonframeand components.• Two(2)hydraulicmotordrivepowered byhydrostaticclosedloopsystem, throughplanetarygearspeedreducers formaximumefficiency.• Springapplied,hydraulicreleasebrake systemforsafety.• Drivesystemcanbedisengagedfor towing.

A comfortable and efficient operator environment:

• Sealed,pressurizedandheatedcabwith largetintedwindows;soundabatement; ampleworkareaandheadroom.• Airconditioneravailableasanoption.• Controlsareelectricoverhydraulicfor easeofoperation,andconciseandrapid response.• Excellentvisibilityofthedrilldeckfor safeandefficientoperation.• Standard6lightpackageforsafenigh timeoperationwithoptionfor12.• Machineaccesslightingofladderand cabwhenenginenotoperating,for addedsafety.

Quality assurance:

• ISO9001/Q9001registry.• In-placeQualityAssurancePrograms andObjectivesatthemanufacturing plantheadedbyfull-timestaff.• Employeeinvolvementqualityprogram atalllevels.• Preferredsupplierprogramtoassurethe highlevelofproficiencyandperformance levelsthatAtlasCopcodemands.

Specifications

1 Performance figures are based on maximum computed values at 100% efficiency.2 Electric drive available, but may extend delivery.

NORMAL HOLE DIAMETER

WEIGHT ON BIT

FEED SPEED

RETRACT SPEED

CAROUSEL CAPACITY

ROTARY HEAD TORQUE (STANDARD)

AIR COMPRESSOR

DIESEL FUEL CAPACITY

DIESEL ENGINE2

COOLING SYSTEM

UNDERCARRIAGE

ESTIMATED OPERATING WEIGHT

OVERALL WIDTH

OVERALL LENGTH (TOWER DOWN)

OVERALL LENGTH (TOWER UP)

AVAILABLE OPTIONS INCLUDE

9-7/8 in. to 12-1/4 in. / 251 to 311 mm

0 to 90,000 lbf. / 0 to 400 kN

Up to 144 feet/minute / 43.9 m/minute

Up to 138 feet/minute / 42.1 m/minute

4 pieces 10-3/4 in. x 40 ft. / 273 mm x 12.2 m

5 pieces 8-5/8 in. x 40 ft. / 219 mm x 12.2 m

10,607 ft-lbs / 14,383 Nm

Ingersoll-Rand asymmetrical rotary screw

2600 cfm @ 110 psig / 74.6 m3/min. @7.6 bar

650 US gallons / 2,460 liters

Caterpillar C32 950 HP/709 kW or Cummins QST30 1000 HP/745 kW

125 F/ 52 C separate cooler for hydraulic oil and compressor oil

Intertrac B8 or Caterpillar 350 Custom

230,000 lb. / 104,327 kg

18 ft. 10-3/8 in. / 5.75 m

66 ft. 6 in. / 20.27 m

45 ft. 5 in. / 12.32 m

0 to 30 angle drill package (patented); water injection;dry dust control; cab air conditioner; fire suppression; central lubrication;central service of fluids; automatic leveling; accessories, etc.

Atlas Copco Drilling Solutions IncA company within the Atlas Copco Group

www.atlascopco.com/drillingsolutions

Worldwide Dealer NetworkWith the largest distribution network in the industry, Atlas Copco has a sales center near you providing products, accessories, and financing options to fit all your drilling needs.

Worldwide Product SupportOur team of experienced drill specialists are strategically located near you to offer troubleshoot-ing expertise and to help solve difficult problems.

Worldwide AvailabilityOur worldwide distribution network is committed to providing the parts and service you need to keep your drills running efficiently and cost effectively.

Part

No

. 578

2673

7

2.5

M07

06E

P

Pr

inte

d in

US

A

Nothing contained in this brochure is intended to extend any warranty or representation,

expressed or implied, regarding the products described herein. Any such warranties or other

terms and conditions of sale shall be in accordance with Atlas Copco’s standard terms and

conditions of sale for such products which are available upon request. Commitment to inno-

Committed to your superior productivity