Products Description
The RCZ440 Mining Rock Drilling Machine is a high-efficiency down-the-hole (DTH) drilling solution designed for hard rock mining and heavy-duty construction applications. By integrating direct impact energy, stable rotation, and high-capacity air flushing, it delivers fast penetration, consistent hole quality, and reliable performance in demanding mining environments.
High-Efficiency DTH Drilling System
This mining rock drilling machine uses advanced DTH technology to transmit high-pressure air directly to the drill bit, ensuring powerful and stable impact at the bottom of the hole. Compared with conventional rotary drilling methods, the RCZ440 achieves faster penetration and improved drilling stability in hard rock formations.
Key features:
High-frequency impact for efficient hard rock fragmentation
Controlled rotation speed of 35–60 rpm to prevent bit jamming
Continuous air flushing for smooth cuttings removal
Clean & Safe Operation
The RCZ440 mining rock drilling machine supports optional dust control systems, including cyclone separation or water mist suppression. These systems significantly reduce airborne dust, improving operator safety and meeting environmental and workplace standards.

Technical parameters
|
Engine Manufacturer |
Cummins |
Engine Model |
QSC8.3 |
|
Engine Rated Power |
194KW |
Engine Emission |
3 |
|
F.A.D |
16m³/min |
Working Pressure |
20 Bar |
|
Rotation Speed |
0-105rpm |
Rotary Torque |
2800 Nm |
|
Hole Diameter Range |
Ø90-130mm |
DTH Hammer |
3.5 inch/4inhes |
|
Hole Depth |
28m |
Number of Pipes |
7+1 |
|
Drill pipe type |
60mm/76mm |
Pipe Length |
3,500 mm |
|
Feed Type |
Motor-Chain |
Length of Feed Beam |
6865mm |
|
Feed Extension |
1200 mm |
Feed Travel Length |
4100 mm |
|
Feed Speed |
0.85 m/s |
Pull Up Force ( Max.) |
31 kN |
|
Max. Climbing Ability |
30° |
Feed Force ( Max.) |
15 kN |
|
Tramming Speed |
high 3.2 km/h |
Traction Force ( Max.) |
115.4 kN |
|
Ground Clearance |
450 mm |
Fuel Tank Capacity |
350 L |
|
Length |
9980 mm |
Width |
2480 mm |
|
Height |
3200 mm |
Weight |
15000kg |
Application
Mining
Blast hole drilling in open-pit and underground mines
Anchor and support hole drilling
Exploration and sampling drilling
Infrastructure & Construction
Tunnel drilling in hard rock formations
Foundation and grouting holes for hydropower and water projects
Pile foundation and slope stabilization drilling

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