The DALI DUM135 is an underground production drill rig for medium- and deep-hole blast drilling in non-coal mines. It drills 64–102 mm holes to a nominal depth of 35 m and works in roadways from 3.2 × 3.2 m to 7.5 × 5 m. Its multi-directional boom and 27-rod system support flexible longhole drilling and cable-bolting applications.
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Key specification |
Value |
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Hole diameter |
64–102 mm |
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Nominal drilling depth |
35 m |
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Applicable roadway |
3.2 × 3.2–7.5 × 5 m |
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Rock drifter |
Montabert HC95LQ / 24 kW |
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Rod capacity |
27 × 1,220 mm |
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Operating weight |
19,000 kg |
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DUM135 is built for underground production drilling where hole reach, positioning flexibility and reliable rod handling matter. The rig combines a Montabert hydraulic rock drifter, load-sensing drilling control, remote operation and a multi-rod system in one underground mining machine.
Horizontal slide, 360° rotation and double ±45° swing help position the feed beam for holes at different angles across the roadway section.
The 24 kW HC95LQ hydraulic rock drifter covers the published 64–102 mm hole range and provides up to 955 N·m rotary torque.
Load-sensing control supplies hydraulic output according to demand. Anti-idle percussion, stepless anti-jamming, rapid retraction, soft start and automatic impact/feed stop help the operator respond to changing drilling resistance.
The system stores 27 rods of 1,220 mm each for multi-rod drilling to the nominal 35 m depth, reducing repetitive manual rod handling.
A movable remote-control console gives the operator a clearer view of drilling while maintaining distance from the immediate work area. Multiple access doors simplify routine inspection and service access.
The 73.5 kW Yuchai engine powers machine tramming. Electronic control displays engine fault codes to support faster troubleshooting.
Check these project conditions before requesting a quotation:
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Parameter |
Specification |
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Operating weight |
19,000 kg |
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Transport dimensions (L × W × H) |
8,940 × 2,380 × 3,500 mm |
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Motion range (W × H) |
3,600 × 3,600–6,130 × 4,215 mm |
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Turning radius |
3,070 / 5,670 mm |
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Parameter |
Specification |
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Rock drifter |
Montabert HC95LQ |
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Impact power / flow / frequency |
24 kW / 138 L/min / 57 Hz |
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Maximum rotary torque |
955 N·m |
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Hole diameter |
64–102 mm |
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Nominal drilling depth |
35 m |
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Maximum feed force |
47 kN |
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Feed-beam length |
3,200 mm |
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Rod capacity / length |
27 / 1,220 mm |
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Parameter |
Specification |
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Engine |
Yuchai, 73.5 kW |
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Published emission level |
China Stage IV |
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Gradeability / travel speed |
14° / 10 km/h |
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Ground clearance |
200 mm |
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Voltage / frequency |
380 V / 50 Hz |
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Motor / total input power |
75 kW / 85 kW |
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Rated water flow |
83.3 L/min at 12 bar |
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Minimum water inlet pressure |
4 bar |
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Air displacement / pressure |
700 L/min / 10 bar |
What is the DUM135 used for?
It is an underground longhole drill rig for production blast holes and compatible cable-bolting support holes in non-coal mines.
What hole diameter and depth can it drill?
The published range is 64–102 mm with a nominal drilling depth of 35 m.
What roadway size is suitable?
The listed roadway range is 3.2 × 3.2 m to 7.5 × 5 m, measured as width × height. Access and turning space must also be checked.
Does it have rod handling?
Yes. The published system stores 27 rods, each 1,220 mm long.
What should I send for a quotation?
Provide roadway dimensions, hole diameter and depth, drilling pattern, rock condition, site power and water, destination country, quantity and required options.
