DD321
DEVELOPMENT DRILL
TECHNICAL SPECIFICATION
Sandvik DD321 is a compact two-boom jumbo for KEY FEATURES
demanding conditions and multiple applications. The Coverage area 49 m²
jumbo is capable of face drilling, cross-cut drilling and Hydraulic rock drills 2 x RD520, 20 kW
bolt hole drilling. Drilling feeds 2 x TF512, 12 - 16 ft
Booms 2 x SB40
The drill’s various options make it suitable for a range Control system 2 x THC561
of conditions and tasks. The proven and robust SB40 Hole length Up to 4 660 mm
boom provides coverage of 49 m². A selection of fixed Drift size class (H x W) 4 000 mm x 4 000 mm
and telescopic feeds are available for a variety of Turning width (T-section) 3 500 mm
applications. Transport width 2 150 mm
Transport height 2 350 mm / 3 200 mm
The new rock drill RD520 provides smooth and efficient Transport length 12 350 mm
drilling. Total weight 22 000 kg depending on options
Sandvik DD321 offers a new look and improved
serviceability and usability over predecessors Sandvik
DD320 and Sandvik DD420.
Canopy version shown
1. SANDVIK DD321 - DEVELOPMENT DRILL
HYDRAULIC ROCK DRILL ELECTRIC SYSTEM
Type of rock drill RD520 (TS2-235) Standard voltage 380 - 690 V (± 10%)
Percussion power 20 kW Total installed power 135 kW
Percussion pressure Max. 220 bar Main switch gear MSE 20
Percussion rate 74 Hz IP classification Specification TS2-132
Stabilizer Hydraulic Starting method Star delta 380 V - 690 V
Rotation speed Max. 400 rpm (with OMS80) Soft starter 575 V
Rotation torque 400 Nm (with OMS80) Automatic cable reel TCR3E with spooling system
Hole size (drifting) 43 - 64 mm Operator station and remote
Cable reel control
Hole size (cut hole) 76 - 127 mm control at rear machine
T38 - R32 - H35 Batteries 2 x 12 V, 145 Ah
Recommended rod
T38 - R35 - R39 Front and rear lights
10 x 50 W LED (4 200 lm, 6 000 K)
Shank adapter (male) T38 (combined working and driving)
Weight 225 kg Parking rear brake / park lights 2 x Red LED
Length 1 010 mm Stair ans service light LED (24 V)
Profile height 90 mm
AIR AND WATER SYSTEM
DRILLING FEED Flushing of holes By water
Type of feed TF500-12’ TF500-14’ TF500-16’ Water booster pump WBP2
Feed force Max. 25 kN Max. 25 kN Max. 25 kN Water pump capacity 100 l/min
Total length 5 270 mm 5 880 mm 6 490 mm Water pump inlet pressure 2 bar (Min.)
Hole length 3 440 mm 4 050 mm 4 660 mm Flushing water pressure 10 - 15 bar
Rod length 3 700 mm 4 305 mm 4 915 mm Shank lubrication device SLU2 (air / oil mist)
Net weight 500 kg 530 kg 560 kg Rock drill oil consumption 180 - 250 g/h
Rock dril air consumption 250 - 350 l/min
BOOM Air compressor CTN10, 1 m³/min (7 bar)
Type of boom SB40 (TS2-231)
Parallel coverage 44.5 m² OPERATOR’S SAFETY CABIN
Parallelism Automatic hydraulic Cabin certification FOPS / ROPS (ISO 3449 / 3471)
Boom extension 1 050 mm Type of cabin Standard height
Feed extension 1 350 mm Unit height in tramming 2 950 mm
Boom weight, net 2 100 kg Operation Standing drilling, seated tramming
Roll-over angle 358° For tramming
Operator’s seat
Adjustable with seat belt
HYDRAULIC SYSTEM Sound pressure level EN 791 Operator station: 80 dB(A)
Powerpack 2 x HPP555 (55 kW) Air conditioning Standard
Filtration (pressure / return) 20 µ / 10 µ Safety laminated, with wiper
Windows
Oil tank volume 270 liters (drilling) Stainless steel windows frames
Oil tank filling pump Electric Front screen protection grill Standard
Cooler for hydraulic oil OW30 oil-to-water (2 x 30 kW)
DRILLING CONTROL SYSTEM
Type of control system THC561 (5-1020)
Operating principle Hydraulic control
Direct control
Manual boom control Fully proportional
Hydraulic parallelism
Feed / percussion control
Drilling control
Flushing control
Automatic cycle Stop and return automatics
2. SANDVIK DD321 - DEVELOPMENT DRILL
CARRIER OPTIONAL FEATURES AND PACKAGES
Type of carrier NC7 (frame-steered) Air and water system
Carrier articulation ± 40° Air mist flushing kit IP5 air cleaner and flow control
Flushing flow control 2 booms
Rear axle oscillation ± 10°
*End of hole air flushing Including CT28 air compressor
Ground clearance 320 mm Water hose reel with water hose THR2.5E with 38 mm (1 ½”), 65 m
Diesel engine MB OM904LA, 110 kW, Tier 3, Stage IIIA Compressed air outlet Quick coupling
Exhaust catalyzer Standard Cleaning system
Transmission Hydrodynamic, Spicer T20 000 LP system with reel Up to 15 bar
Axles Spicer HP system with reel Up to 180 bar
Tires 12.00-20
Greasing systems
Service brakes SAHR type, fail save wet disc brakes Manual system Greasing unit with pump, reel and
Parking and nozzle (5-2110)
SAHR type, fail save wet disc brakes Automatic system Carrier and booms
emergency brakes
16 km/h (Horizontal) Operator’s safety cabin /
Tramming speed
6 km/h (14%=1:7=8°) canopy
Gradeability / sideways tilt Max. 15° / 5° *Safety canopy FOPS (ISO 3449)
*Stainless steel cabin FOPS (ISO 3449)
For 10 - 16 ft rods and two shank Cabin heating During tramming and drilling
Rod rack on carrier side
adapters Cabin audio system CD player / radio / MP3 and loud-
Fuel tank 140 liters speakers
Boot washer At cabin entrance
2 x Vertical (front)
Carrier stabilization
2 x Vertical (rear)
Fire suppression system
Centralized greasing points Specification 5-2110 Additional fire extinguisher 1 x 7.7 or 9 kg (type ABC)
Hand held fire extinguisher 1 x 7.7 or 9 kg (type ABC) Manual or automatic system Ansul, 6 nozzles
Automatic system FS1000 (above 0°C)
Tramming alarm Standard
Colour scheme Sandvik Carrier
Reduced tramming speed 3 rd gear lockout
2 x Operator’s manual
2 x Maintenance manual *Diesel engine QSB4.5, 119 kW, tier 4i, Stage IIIB
Documentation 2 x Technical manual (in English only) *Foam filled tires 4 pcs
2 x Parts manual (in English only) Fast filling and evacuation Wiggins (complete)
1 x Toolman CD system
Wheel chocks and holders 2 Sets
Tramming camera Rear and side
OPTIONAL FEATURES AND PACKAGES Rod rack On carrier side
Rock drill
Extra items
*Type of rock drill HLX5 instead of RD520
Spare rock drill RD520 or HLX5
Drilling feed Spare wheel assembly 12.00-20 or foam filled tire
*Feed length 14’, 16’ Special tools for rock drill
*Telescopic feed TFX6/12, TFX8/14 Documentation Extra paper, CATbase, Link one
Rod retainer TRR1 incl. safety wire, manuals
add 35 mm length of the feed Package: Country specific LAM, USC, AUS package
Two rods system TRS included TRR1 with safety wire. options
*Package: Harsh water Basic or advanced (Spec. TS2-049)
Boom
*Type of boom SB40NV instead of SB40 *) replaces standard feature
Hydraulic system
*Oil tank filling pump Manual
Vaccum pump For hydraulic system
Drilling control system
Constant speed drilling Replaces feed / percussion control
Instrumentation TMS D2 for TFX-feed
TMS DDSS2 for TF-feed
TCAD+ with iSURE I-II design and
reporting.
Access detector Mandatory in Europe (TS2-211)
Electric system
*Optional voltage 1 000 V (50 or 60 Hz) with Direct-On-
Line starter
*Electric cable Specification TS2-121
Ground fault and overcurrent VYK
protection
Auxiliary outlet 1 x 110 V or 1 x 230 V, 16 A
Battery jump start Option
Dewatering pump outlet Site voltage 380 - 690 V (Max. 8 kW)
readiness
Amber flashing light LED (24 V)
3. SANDVIK DD321 - DEVELOPMENT DRILL
1 500 3 990
6 060
1 870
2 150 200
TS2-126:03/ENG/METRIC © Sandvik Mining and Rock Technology 2017 SANDVIK is a registered trademark owned by Sandvik Intellectual Property AB in Sweden and other countries.
8 200
8 820 All dimensions in mm
TF512 TF514 TF516
Overall length mm 12 350 12 550 13 000
DD321
3 200
2 350
15° 18°
320
2 840 3 175 1 060
Total length
2 950
DD321
15° 18°
All dimensions in mm
10°
Drilling feed Radius (R) T-cross (C)
TF500–12’ 6 300 mm 3 700 mm C
5° R
TF500–14’ 6 450 mm 3 850 mm
TF500–16’ 6 600 mm 4 000 mm
750
3 200
35°
750
All dimensions in mm
Sandvik Mining and Rock Technology reserves 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 options.
SANDVIK.COM
4. SANDVIK DD321 - DEVELOPMENT DRILL
