Jining Bafang Mining Machinery Co.,Ltd is one of the leading 150m diesel tunnel drilling rig manufacturers and suppliers in China,Website:http://www.bafangjixiechang.com, welcome to buy cheap and low price 100m unerground drilling rig made in China from our factory. ZLJ-400 tunnel drilling rig Production Features ZLJ tunnel drilling rig It can also be used on the ground geological exploration, building foundation reinforcement and other uses of drilling. Mechanical driven, reliable performance, simple structure, furnished with a hydraulic chuck and hydraulic feeding cylinder. It is used to drill holes for exploring water, coal, gas releasing, water injecting and so on in underground coal mine. It can be also used for geological surveying and reinforcement to the building foundation Technology Parameters Item Unit Technical Parameter ZLJ-400 Rated torque High speed 400 Medium speed N·m 230 Low speed 130 Rated speed High speed r/min 340 Medium speed 192 Low speed . 112 Rated pressure Mpa 8 Max feed force kN 9 Max pulling and lining force kN 12 Drilling angle ° 0~360° Capacity of drum m 26.3 Diameter of wire rope Mm 8.8 Drill rod caliber mm 42 Supply water pressure Mpa 0.6~1.2 Power kW 5.5 Voltage V 380/660 Rated current A 13.4/8.8 Dimensions mm 1280×700 ×1230 Weight Kg 480
