KHYD75 3kw electric rock drill rigs exploring water Keywords: 3kw rock drill rock drill KHYD 5.5KW rock drill rock drill KHYD75dIA Technical Specifications Model KHYD75 motor rated output power 3kW motor rated voltage of 380/660 V motor rated frequency 50 Hz motor rated current of 6.8, 3.9 A motor speed 1420 r / min Rated work continuous drilling speed 320 mm / min maximum drill hole diameter axial thrust 10000 N 36-90 (rock) mm drilling rig suitable rock hardness range f <10 (Platts Hardness Factor) rig maximum drilling depth 8 (rock) 100 (coal) m rig weight (not including the runway, drill pipe, drill racks, etc.) 75 kg Dimensions (L x W x H) 570x360x300 720x376x436 mm using cable model specifications U-3x4 + 1x4 (user-owned) Contact: Xu Xia Sales Hotline: 13012610363 sales landline: 0537-2164458 Heng Wang Fax: 0537-2585538 responsible QQ: 1765211406 Ji Ning Hengwang Mining Machinery Co., Ltd.