DD421 DEVELOPMENT DRILL - Sandvik Mining and Rock …

1 TECHNICAL SPECIFICATIONKEY FEATURESC overage area60 m (9 970 x 6 685 mm)Hydraulic rock drills2 x RD525, 25 kWDrill feeds2 x TF512, 12 - 16 ftBooms2 x SB60 Control systemTHC561, hydraulicHole lengthUp to 4 660 mmDrift size class (H x W)4 500 mm x 4 500 mmTurning width (T-section)3 770 mmTransport width2 310 mmTransport height3 420 mm / 2 680 mmTransport length13 050 mmTo t a l w e i g h t24 500 kgdepending on optionsDD421 DEVELOPMENT DRILLS andvik DD421 is a two boom electro-hydraulic jumbo for fast and accurate drilling in drifting and tunneling of 8 - 60 m cross improved hydraulic control system with new features enables accurate drilling performance with efficient control. The new Sandvik RD525 rock DRILL has proven to be an efficient DRILL with smooth penetration and powerful drilling performance. Optimal coverage is achieved with the proven Sandvik SB60 booms. The drilling performance can be improved with optional Sandvik DD421 - DEVELOPMENT DRILLBOOMType of boomSB60 (TS2-264)Parallel coverage54 m ParallelismAutomatic hydraulicBoom extension1 200 mmFeed extension1 350 mmBoom weight, net2 250 kgRoll-over angle358 Bolt hole drillingYe sHYDRAULIC SYSTEMP owerpack2 x HPP575 (75 kW)Filtration (pressure / return)20 / 10 Oil tank volume270 litersOil tank filling pumpElectricCooler for hydraulic oilOW30 oil-to-water (2 x 30 kW)HYDRAULIC ROCK DRILLType of rock drillRD525 (TS2-236)Percussion power25 kWPercussion pressureMax.

2 235 barPercussion rate93 HzStabilizerHydraulicRotation speedMax. 280 rpm (with OMS125)Rotation torque625 Nm (with OMS125)Hole size (drifting)43 - 64 mmHole size (cut hole)76 - 127 mmRecommended rodT38 - H35 - R32T38 - R39 - R35 Shank adapter (male)T38 Weight225 kgLength1 010 mmProfile height90 mmAIR AND WATER SYSTEMF lushing of holesWater flushing flow and pressure control. Air-mist flushing , optionWater booster pumpWBP2 HPWater pump capacity185 l/minWater pump inlet pressure2 bar (Min.)Flushing water pressure10 - 15 barShank lubrication deviceSLU2 (air / oil mist) Air compressorCTN10, m /min (7 bar)Compressed air outletQuick couplingRock DRILL oil consumption180 - 250 g/hRock DRILL air consumption250 - 350 l/minDRILLING CONTROL SYSTEM Type of control systemTHC561 (TS2-362)Operating principleHydraulic controlManual boom controlDirect controlFully proportionalHydraulic parallelismDrilling controlFeed / percussion control Flushing controlAutomatic cycleStop and return automaticsELECTRIC SYSTEMS tandard voltage380 - 690 V ( 10%)Total installed power180 kWMain switch gearMSE 20IP classificationSpecification TS2-132 Starting methodStar delta 380 V - 690 VSoft starter 575 VAutomatic cable reelTCR4E + spooling (in.)

3 135 kW)TCR4 EHD + spooling (in. 180 kW)Cable reel controlOperator station and remote control at rear machineAuxiliary outlet1 x 110 V or 1 x 230 V, 16 ABattery jump startStandardCable plug holderHook type holder and cable pull sockFront and rear lights (combined working and driving)10 x 50 W LED (4 200 lm, 6 000 K)Parking rear brake / park lights2 x Red LEDS tair ans service lightLED (24 V)DRILLING FEEDType of feedT F5 0 0 -12 StandardT F5 0 0 -14 OptionalT F5 0 0 -16 OptionalFeed forceMax. 25 kNMax. 25 kNMax. 25 kNTotal length5 270 mm5 880 mm6 490 mmHole length3 440 mm4 050 mm4 660 mmRod length3 700 mm4 305 mm4 915 mmNet weight500 kg530 kg560 kgOPERATOR S SAFETY CABINS tandard cabinFOPS / ROPS (ISO 3449)Type of cabinStandard heightUnit height in tramming3 150 mmOperationStanding drilling, seated trammingOperator s seatFor tramming Adjustable with seat beltSound pressure level EN 16228 Cabin: 72 dB(A)Air conditioningFluorinated gas : R134a Filled weight: kg CO2 equivalent: tonsGlobal Warming Potential: 1430 WindowsSafety laminated, with wiper Stainless steel windows framesFront screen protection grillStandard2.

4 Sandvik DD421 - DEVELOPMENT DRILLCARRIERType of carrierNC7W (frame-steered)Carrier articulation 40 Rear axle oscillation 8 Ground clearance420 mmDiesel engineMB OM904LA, 110 kW, Tier 3, Stage IIIAE xhaust catalyzerStandardTransmissionHydrodynami c, Spicer T20000 AxlesSpicerTires14. 0 0 -24 PR 28 Service brakesSAHR type, fail safe wet disc brakesParking and emergency brakesSAHR type, fail safe wet disc brakesTramming speed16 km/h (Horizontal)6 k m / h (14%=1:7=8 )Gradeability / sideways tiltMax. 15 / 5 (according to EN 16228-2)Rod rack on carrier sideFor 10 - 16 ft rods and two shank adaptersFuel tank140 litersCarrier stabilization2 x Vertical (front)2 x Vertical (rear)Centralized greasing pointsSpecification (TS2-463)Hand held fire extinguisher1 x or 9 kg (type ABC)Tramming alarmStandardColour schemeSandvikDocumentation2 x Operator s manual2 x Maintenance manual2 x Technical manual (in English only)2 x Parts manual (in English only)2 x Toolman USB KeyOPTIONAL FEATURES AND PACKAGESE lectric system*Optional voltage *Electric cable Ground fault and overcurrent protection Auxiliary outlet Battery jump start Dewatering pump outlet Amber flashing light Light indicator for boom move-ment prevention switch status 1 000 V (50 or 60 Hz) with Direct-On-Line starter Specification TS2-121 VYK 1 x 110 V or 1 x 230 V, 16 A Option Site voltage 380 - 690 V (Max.)

5 8 kW) LED (24 V) 2 x on both sides (green or red depending status), 1 x indicator inside cabin Air and water system Air mist flushing kit Flushing flow control *End of hole air flushingWater hose reel with water hose IP5 air cleaner and flow control 2 booms Including CT28 air compressor with 38 mm (1 ), 65 mCleaning systemLP system with reelHP system with reelUp to 15 bar (TS2-343)Up to 180 bar (TS2-343)Greasing systemsManual system Automatic systemGreasing unit with pump, reel and nozzle (TS2-463)Lincoln (complete)Operator s safety cabin / canopy*Safety canopy *Stainless steel cabin Cabin heating Cabin audio system Boot washer FOPS (ISO 3449) FOPS (ISO 3449) During tramming and drilling CD player / radio / MP3 and loud-speakers At cabin entranceFire suppression systemAdditional fire extinguisherManual or automatic systemAutomatic system1 x or 9 kg (type ABC) Ansul, 6 nozzles (TS2-460) Sandvik Eclipse (TS2-461)CarrierReduced tramming speed *Diesel engine *Foam filled tires Fast filling and evacuation system Wheel chocks and holders Tramming camera Rod rack 3 rd gear lockout , 119 kW, tier 4i, Stage IIIB 4 pcs Wiggins (complete) 2 Sets Rear and side On carrier sideExtra itemsSpare rock DRILL Spare wheel assembly Special tools for rock DRILL Warranty extensionDocumentationiSURE Package: Countr y specific options *Package: Harsh water*Package: Arctic Package: Anti-freezing RD525, RD520, RDX5 PR28 or foam filled tire Complete tool set Field tool set One year (excl.

6 Kazakhstan) Extra, CAT base, Link one manuals iSURE II Plus annual license (Ad-vanced DRILL and blast design includ-ing round reports) iSURE III Premium annual license (MWD including Pull out analyses LAM, USC, AUS, EUR Basic or advanced (TS2-049) To operate in extremely temperature Block heater for engine, heater for hydraulic oil, Water circuit flushing with air, antifreeze adding in water circuit. *) Replaces standard feature3. Sandvik DD421 - DEVELOPMENT DRILLOPTIONAL FEATURES AND PACKAGESRock DRILL *Type of rock DRILL RDX5 instead of RD525 RD520 instead of RD525 Feed *Feed length *Telescopic feed Rod retainer Two rods system 14 , 16 TFX6/12, TFX8/14, TFX10/16 TRR1 incl. safety wire, add 35 mm length of the feed TRS included TRR1 with safety system*Powerpack *Oil tank filling pump Cooler for hydraulic oil Vaccum pump HPP555 (55 kW) with RD520 Manual OA30 oil-to-air (2 x 30 kW) For hydraulic systemDrilling control systemConstant speed drilling Reaming mode switch Instrumentation Access detector Replaces feed / percussion control Selection switch between standard / reaming hole drilling TMS D2 for TFX-feed TMS DDSS2 for TF-feed TCAD+ with iSURE I Basic ( DRILL plan design) Mandatory in Europe (TS2-211)TF512TF514TF516TF X6/12 TFX8/14 TFX10/16 Total lengthmm13 0 5013 25013 70 012 8 0 012 9 0 013 50 0R3 55040 C3 4202 6803 0803 530 Total length15 18 4201 200DD4213 150DD4212002 1454 3406 6859 1909 9702 3101500 FEEDR adius (R)T-cross (C)T F5 0 0 12 6 800mm3 920 mmT F5 0 0 14 6 950 mm4 070 mmT F50 0 16 7 100 mm4 250 mm4.

7 Sandvik DD421 - DEVELOPMENT DRILLTS2-129:07/ENG/METRIC Sandvik Mining and Rock Solutions 2021 Sandvik is a registered trademark owned by Sandvik Intellectual Property AB in Sweden and other Mining and Rock Solutions reser ves the right to make changes to the information on this data sheet without prior notification to users. Please contact a Sandvik representative for clarification on specifications and dimensions in mmAll dimensions in mmAll dimensions in mmDD421 with cabin