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Jining Bafang Mining Machinery Co.,Ltd is one of the leading 50m electric tunnel drilling rig manufacturers and suppliers in China,Website:http://www.bafangjixiechang.com, welcome to buy cheap and low price 50m electric tunnel drilling rig made in China from our factory.ZLJ-250 Rotary mine tunnel underground drilling machine ? Description of ZLJ-250 Rotary mine tunnel underground drilling The mine drilling machine mainly suitable for drilling gas drainage/discharge holes, water injection holes in coal bed, geological exploratory holes and various engineering holes. It& acute;s suitable for various coal beds and rock formation with the rock. Technical parameters of drilling rig manufactures ? ? ?Item Unit Technical Parameter ZLJ-250Rated torqueHigh ?speed250Medium ?speedN·m150Low ?speed85Rated speedHigh ?speedr/min340Medium ?speed192Low ?speed.112Rated ?pressureMpa8Max feed forcekN9Max pulling and lining forcekN12Drilling angle0~360Capacity of drumm26.3Diameter of wire ropeMm8.8Drill rod calibermm42Supply water pressureMpa0.6~1.2PowerkW4VoltageV380/660Rated ?currentA8.8/5.3Dimensionsmm1235×630×1165WeightKg440
50m electric tunnel drilling rig, China, factory, suppliers, manufacturers made in China, cheap, buy, low price,Read More
Jining Bafang Mining Machinery Co.,Ltd
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Address: New 327 and Torch Road, Rencheng District, Jining, Shandong, China. East Of an Interchange 400 Meters,
Jining, Shandong
China, 272000
Tel: 86-537-2289978
Fax: 86-537-2160074
