DJ Series Drill Jumbo
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DJ series drill jumbos are the tunnel rock drilling equipment developed by CREG forconstruction by the drilling and blasting method. They have a maximum coverage area of31-190 m2 (depending on the model), a maximum drilling height of 5.4-13.1 m (dependingon the model), and a drilling diameter of 43 mm to 140 mm. They are mainly used fordrilling and excavation of mountain tunnels by the drilling and blasting method, full-sectionmethod or micro bench cut method, and can also be used for advanced geological drilling,advanced pipe shed drilling, advanced grouting drilling, radial anchor bolt drilling, auxiliarycharging, and prying. They are suitable for tunnel construction in the fields of subway,highway, water conservancy project, railway, municipal project, and mine.
