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KJ321 Hydraulic Tunneling Jumbo Mine Machine Drilling Rig For Underground

MOQ:	1
Price:	Negotiable
Delivery Time:	2-3 Weeks
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Torque:

1000 Nm

Drilling Angle:

0-90 Degrees

Dimension:

13158*2959*3359

End Hole Diameter:

75mm

Drill Weight:

975kg

Open Hole Caliber:

200mm

Methos:

Reverse Circulation Drilling (RCD)

Drilling Method:

Rotating

Mud Pump Pressure:

10 MPa

Rod Dia:

76 OR 89 MM

Drilling Hold Dia:

50 - 113 Mm

Crawler Ground Pressure:

0.1 MPa

Maximum Opening Diameter:

300mm

Total Weight:

113 Ton

Crawler Width:

500 Mm

Packaging Details:

Carton

Highlight:

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Product Description

KJ321 Hydraulic Tunneling Drilling Rig

Application and Features

The KJ321 hydraulic tunneling drilling rig is engineered for drilling tunnels with cross-sections ranging from 12-45 m². It performs vertical, inclined, and horizontal drilling operations, including blast hole drilling and rock bolting.

Key Features

Flexible Drilling Boom: Features two symmetric rectangular coordinate booms with 360° rotation and self-leveling beam for precise positioning. Ideal for lateral cross-cut and rock bolting operations.
Operator-Friendly Layout: Balanced chassis with articulated four-wheel drive provides excellent visibility and maneuverability for safe operation in confined tunnel spaces.
High-Frequency Impact Drill: Stepped piston design delivers high-frequency impact for efficient rock drilling, increasing speed while reducing tool wear.
Wide Operating Space & Automation: Spacious work area with automated functions enables operators to focus on precise, efficient, and safe drilling operations.
Maintenance Friendly: All components are strategically placed for easy access and maintenance, ensuring long-term operational reliability.

Applications

Underground tunnel excavation for mining, metro, highway, and railway projects
Drilling operations in confined or complex tunnel environments
Rock bolting and stabilization in underground construction projects

Tags:

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