KJ321 Hydraulic Tunneling Jumbo Mine Machine Drilling Rig For Underground

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Torque	1000 Nm
Drilling Angle	0-90 degrees
Dimension	1315829593359
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
Delivery Time	2-3 Weeks
Payment Terms	T/T

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Product Specification


Torque	1000 Nm	Drilling Angle	0-90 degrees
Dimension	1315829593359	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
Delivery Time	2-3 Weeks	Payment Terms	T/T
High Light	Hydraulic jumbo mine machine ，jumbo mine machine Drilling Rig ，Hydraulic jumbo underground mining

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

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer 


Year Established:

2020 


Total Annual:

5000000-10000000


Employee Number:

100~150 


Ecer Certification：

Verified Supplier 

Shaanxi Xianfeng Rock Drilling Machinery Equipment Co., Ltd. is dedicated to delivering hydraulic rock drills and high-quality aftermarket spare parts, compatible with leading brands such as Montabert, Atlas Copco, Sandvik, and Epiroc. We focus on: Supplying rock drill machines and d... Shaanxi Xianfeng Rock Drilling Machinery Equipment Co., Ltd. is dedicated to delivering hydraulic rock drills and high-quality aftermarket spare parts, compatible with leading brands such as Montabert, Atlas Copco, Sandvik, and Epiroc. We focus on: Supplying rock drill machines and d...

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Reach Us
Shaanxi Xianfeng Rock Drilling Machinery Equipment Co., Ltd.
Factory Building No. 5, Phase 2, Information Industry Park, Chang'an District (100 meters north of Xitai Road)
https://www.rocks-drill.com/

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