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KJ321 Hydraulic Tunneling Jumbo Mine Machine Drilling Rig For Underground
KJ321 Hydraulic Tunneling Jumbo Mine Machine Drilling Rig For Underground
Specifications
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
MOQ :
1
Price :
Negotiable
Packaging Details :
Carton
Delivery Time :
2-3 Weeks
Payment Terms :
T/T
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
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KJ321 Hydraulic Tunneling Jumbo Mine Machine Drilling Rig For Underground

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Product Detail
Torque :
1000 Nm
Drilling Angle :
0-90 degrees
Dimension :
13158*2959*3359
End Hole Diameter :
75mm
Drill Weight :
975kg
Open Hole Caliber :
200mm
Contact Supplier
KJ321 Hydraulic Tunneling Jumbo Mine Machine Drilling Rig For Underground

Shaanxi Xianfeng Rock Drilling Machinery Equipment Co., Ltd.

Verified Supplier
1 Years
Since 2020
Business Type :
Manufacturer
Main Products :
Epiroc Rock Drill, Sandvik Rock Drills, Montabert Rock Drills
Total Annual :
5000000-10000000
Employee Number :
100~150
Certification Level :
Verified Supplier
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