Masters ZLJ250 tunnel drilling | drilling rig exploring water rig known brands ZLJ-250 Description: ?? mainly for internal mine, exploration drilling drainage holes for 0 to 360 degrees, geological structure hole, fire-hole, gas drainage and other uses? Works with holes. You can also drill holes and other engineering geological drilling holes in the ground. Drilling rocks for iron ore in order to facilitate the exploitation of ore. ZLJ-250 vertical drill Features: rig by mechanical transmission, simple structure, small size, light weight, easy operation and reliable performance?. Rig equipped with hydraulic chuck and hydraulic feed cylinder. Technical parameters ZLJ-250 vertical rated output torque (N˙m) 250 using the drill pipe (mm) φ33.5 / 42 φ33.5 drill hole depth (m) 100/75 φ42 drill ?? (m) 75 drill hole diameter (mm) φ89 final hole (mm) ≥φ50 vertical shaft diameter × φ44 vertical revolutions (rp / m) 120/205/363 vertical stroke (mm) 400 Rated pull force (kN) 12 (7MPa ) Rated driving force (kN) 9 (7MPa time) drilling angle range (.) 0 ~ 3600 winch lifting capacity (kN) 7.35 / 5.88 / 3.28 The first layer of single rope winch lifting speed (m / s) 0.22 / 0.374 /0.672 drum rope capacity (m) 26.8 Use rope diameter (mm) φ8.8 spring chuck working pressure (MPa) 6 spring chuck maximum clamping force (kN) 30 using a pump model YBC-12/125 pump rated Pressure (MPa) 12.5 pump rated flow (L / min) 12 Motor model YBK2-112M-4 Power (kW) 4 speed (r / min) 1440 Rated voltage (V) 380/660 Rated current (A) 8.8 / 5.1 Quality (kg) 480 Dimensions (mm) 1230 × 600 × 1185 Masters Jining Mining Machinery Co., Ltd. production ZLJ vertical frame column drilling rig main models ZLJ200, ZLJ250 without winch, ZDY250, ZLJ350, ZLJ400 without winch, ZLJ400, ZLJ650 without winch, ZLJ650, ZLJ700 so on. Jining, Shandong Mining Machinery Co., Ltd. Company Website masters: www.sdjujiang.cn Alibaba: http: //sdjujiang.1688.com Ali Want: jujianggk business manager: Zhang Jie (LF) Mobile: 15092666325 landline: 0537-3860909 QQ : 1982298222