Masters KHYD75 3KW rock drill rigs exploring water coal mine explosion awesome KHYD75 Flameproof electric rock drill series drill holes in rock blasting a tool. For mine roadway excavation, road construction, water conservancy construction, metallurgy and mining and rock engineering jobs, but also water holes drilled in coal, water holes and exploration holes gas exploration put. 1. Drill rigs available fit horizontally tilted forward or upward, downward drilling. 2. In order to prolong the life of the drill and improve operator working conditions, can be mixed with water discharge type drilling powder can also be used spiral blade row drill drilling dry powder. 3. rigs in operation, simply manipulate the hand wheel, can be self-propelled rig and back. Model Unit KHYD75 motor rated output power kW 3 rated motor voltage V 380/660 motor rated frequency Hz 50 Motor rated current A 6.8,3.9 motor speed r / min 1420 Rated operating mode continuous drilling speed mm / min 320 largest drilling shaft thrust N 10000 Hole diameter mm 42 (Rock) 42 to 80 (seam) drilling rig suitable rock hardness range (Platts hardness factor) f <10 drilling rigs maximum depth m 10 (rock) 30-80 (coal) Rig Weight (not including the runway, drill pipe, drill racks, etc.) kg 75 Dimensions (L x W x H) mm 720x376x436 masters Jining Mining Machinery Co., rock drill main models without proof 2KW, 3KW no proof, 3KW explosion , 5.5KW no explosion, 5.5KW proof, 5.5KW double speed, 7.5KW no explosion, 7.5KW proof, 7.5KW double speed, 11KW, 15KW. Masters Jining Mining Machinery Co., Ltd. Business Manager: Zhang Jie LF Mobile: 15092666325 landline: 0537-3860909 QQ: 1982298222