Crawler-mounted down-the-hole drilling equipment adopts percussive-rotary drilling technology specially built for hard-rock working conditions. DTH boring machine places the impact hammer inside drill holes to deliver force directly onto rock strata, cutting down energy loss compared with traditional top-drive drill units.
This heavy-duty unit supports vertical blasting holes as well as horizontal anchor hole drilling, and adapts to desert, mountain, and quarry sites. Global mining and infrastructure contractors select it to boost drilling speed and lower overall site operating expenses.
Unified Complete Technical Parameter Table For DTH Drilling Equipment
| Model | YGS100A | YGS153 | YGS180 | YGS300 | YGS350 |
| Total weight | 5.95T | 3.8T | 6.3T | 6.8T | 8T |
| Walking speed | 2.5km/h | 2.5km/h | 2.5km/h | 2.2/3.8km/h | 4km/h 2km/h |
| Diesel tank capacity | 85L | 70L | 85L | 85L | 225L |
| Shipping size | 6500*2100*2400mm | 4640*1980*2260mm | 6600*2110*2500mm | 6600*2220*2600mm | 7600*2350*2800mm |
| Drilling hole diameter | 90- 146 mm | 83- 130 mm | 90- 146 mm | 90- 152 mm | 90- 165 mm |
| Power configuration | YCD4R22T-80 | YC2108 33kw/2400rpm | YCD4R22T-80 55kw | YC4DK80-T302 | YC4DK100-T304 73.5kw/2200rpm |
| Highest horizontal hole height | 3.2m | 2.8m | 3.6m | 3.25m | 3.5m |
Every machine offers two optional configurations: split-type matched with an external air compressor or an integrated all-in-one chassis assembly for remote job sites.
Complete Working Principle Of DTH Boring Machine
This crawler-based construction unit runs on a compressed-air-driven percussive-rotary workflow. This machine sends high-pressure air through drill rods to drive the down-the-hole hammer piston for high-frequency reciprocating strikes.
Rotary motion cooperates of DTH rig machine with impact force to crush hard rock, while waste air continuously blows rock cuttings out of boreholes to avoid hole collapse. Operators adjust propulsion feed rate according to actual rock hardness. Mining and geotechnical teams deploy a DTH boring machine to maintain stable borehole quality under long-duration continuous shifts.
7 Core Competitive Advantages Of DTH Rig Machine
- Higher Drilling Efficiency: Direct bottom-hole impact reduces power loss, delivering 30-40 % faster penetration speed than conventional top-hammer drills.
- Excellent Terrain Adaptability: Heavy-duty crawler chassis travels steadily across muddy slopes, quarry rubble, and desert ground.
- Reliable Hole Quality: Low-vibration running keeps boreholes straight and uniform to meet international engineering standards.
- Dual-form Configuration Choice: Select split-type for sites with existing compressors or integrated unit for off-grid remote locations.
- Built-in Multi-layer Safety Protection: Anti-slip tracks, mast mechanical locks, and engine overheat-protection sensors of the DTH boring machine lower on-site hazards.
- Modular Component Layout: Wear-resistant hammer, bit, and drill-rod assemblies simplify inspection and spare-part replacement.
- Operator-Friendly Control: Intuitive operating logic shortens worker learning cycles and cuts labor training costs.
Quarry and road-building contractors purchase this to minimize unplanned downtime during heavy-duty project cycles.
Global Full-Scene Application Fields Of DTH Boring Machine
- Open-pit Mining: Blasting, borehole drilling for mineral rock excavation
- Quarry Operation: Standard blast-hole preparation for stone-splitting production
- Highway & Bridge Infrastructure: Foundation holes and slope-protection anchor-hole construction
- Water-Well Drilling: Medium-shallow water-well drilling for desert and rocky strata
- Geotechnical Reinforcement: Foundation pre-drilling for building and dam projects
- Railway Construction: Mountain tunnel preliminary blasting and slope stabilization work
- Demolition & Site Preparation: Pre-split hole drilling for controlled rock breaking
- Desert Engineering: High-temperature-resistant drilling for Middle East desert infrastructure
Step-By-Step Model Matching Guide For DTH Drilling Equipment
- Narrow-site Mountain Work: Choose compact YGS153 3.8-ton lightweight unit for limited-space relocation
- General-Purpose Quarry & Mine Projects: YGS100A or YGS180 balances weight, power and shipping dimensions
- Large-Scale High-Output Operation: Select YGS300 / YGS350 heavy-weight models for large-diameter borehole requirements
- Sites Equipped With Independent Air Compressor: Adopt split-type configuration to control overall capital investment
- Remote Off-Grid Zones: Pick an integrated all-in-one unit without external compressed-air supply
Frequently Asked Questions About DTH Rig Machine
A1: It works efficiently for granite, basalt, limestone, and mixed broken strata; the crawler chassis adapts to mountain, quarry, and desert terrain.
A2: Two options are available: the split-type requires an external compressor; the integrated version carries a built-in air supply for remote sites.
A3: Yes, the maximum horizontal drilling height varies from 2.8 m to 3.6 m according to different models of the DTH boring machine.
A4: Inspect drill bits, drill rods, pipeline fasteners, and the engine heat-dissipation system before each shift.
A5: Model YGS350 supports drilling diameters ranging from 90- 165 mm.
A6: Complete-unit warranty, lifetime remote technical guidance, and continuous supply of wear-prone hammer, bit, and drill-rod spare parts.
Factory Supply & Global After-Sales Support Of DTH Boring Machine
All complete units pass full-load continuous aging testing before seaworthy wooden export packaging. Multilingual operation manuals, hydraulic-pneumatic circuit schematics, and discounted wearing spare parts are delivered with each rig.
Engineering teams provide free job-site layout advice and 24-hour online video troubleshooting for global dealers. Bulk-purchase contracts contain priority spare-part shipment terms. Submit your target borehole diameter, rock condition, and daily workload to receive a customized, detailed quotation for DTH drilling equipment instantly.
