Tunnel Rock Drill

Description

SMC-UJ33 Tunnel Rock Drill Jumbo – Next-Generation Drilling for Underground Construction

The SMC-UJ33 Tunnel Rock Drill Jumbo is a new-generation, fully hydraulic drilling solution designed to meet the demanding requirements of modern underground construction. Based on the proven design principles of widely adopted rock drilling jumbos, the UJ33 integrates advanced control systems, efficient drilling mechanisms, and robust structural engineering for reliable performance across various geological conditions.

Engineered and manufactured by SMC, this jumbo is tailored for projects involving tunnel excavation, roadway development, and underground infrastructure construction, offering high drilling precision, enhanced safety, and optimal operational efficiency.

Key Features:

Fully Hydraulic System: Provides stable and precise control of drilling operations, reducing manual intervention and enhancing safety.

Dual or Single Boom Options: Customizable configuration allows for optimized coverage and maneuverability in confined spaces.

Ergonomic Operator Cabin: Designed with visibility, comfort, and safety in mind, equipped with user-friendly controls and diagnostic systems.

Energy-Efficient Powertrain: Delivers powerful performance with reduced fuel consumption and lower emissions.

Heavy-Duty Chassis: Built for durability in rugged tunnel environments, ensuring long service life and low maintenance needs.

Technical Details

Description
Hole range41-89mm
Hole depth4,050/4,660/5,270/5,880mm
Drill Rod Size (R32, R38,T38) 4,310/4,920/5,525/6,135
Drifter ModelZY104M
Impact Power 20 kW
Impact Frequency60Hz
Working Pressure7bar
Rated Capacity FAD1m3/min
Diesel Engine Model China II Diesel engineCummins QSC8.3-C240-Ⅲ
Rated Power 179 kW (243HP)
Rotation Speed2200rpm/min
Fuel tank volume (L)150L
Electric Motor Rated Power3*55kW
Rotation Rate1475
Voltage380/440/550/660/1000V
Feed Total Length7,996mm
Feeding Length5,880mm
Extension Length1,800mm
Reel Cable Length100m
Turning Radius ( inner / outer )R6,500mm/R12,100mm
Water System Flow Rate300L/min
Working pressure17bar
Min. water inlet pressure2bar
Tramming Speed17/10/5km/h
Gradeability15°
Articulated Steering Angle±8°
Chassis typeRigid rear axle steering
Steering Angle (°) +38º/-50 º
Ground clearance 396mm
Parallel Move Mechanism Completely
Hydraulic Jacks4pcs
Boom extension1600mm
Boom swing angle L/R±45°
Feed lifting angle+68°/-45°
Feed tilt angle+3°/-90°
Feed roll-over360°(auger-type)
Boom extension5000mm
Boom swing angle L/R±45°
Feed lifting angle+60°/-35°
Rated loaded400kg
Hydraulic pump typeVariable pump
Hydraulic tank volume (L)755L
Dimension (L*W*H-roof up/down)17,092×2,930×3,159 /3,859mm
Jumbo Weight50,000kg
Drilling Coverage Area16×13m
Face Drilling range180m2