YGZ90 rail rotary drilling machine is a compressed air power in the deep hole drilling machines. Drill car or the TJ25 type disc drill frame supporting CTC14.2 Dual mining, mainly for underground mining drill to blast holes, and can also be used for open pit and rock engineering drilling or level blast holes. Drilling diameter 50-80mm effective drilling depth of 30m. Cross-alloy brazing head diameter 65mm in the F12-14 ore, with an average of pure drilling speed of up to 680mm / min. 

 Model YGZ90 
 Dimensions mm 876 * 355 * 303 
 Weight kg 90 
 Impact energy J ≥ 195 
 Appropriate working pressure mpa to 0.4 
 Appropriate bore diameter mm, 50-75 
 Water hose inside diameter mm, 19 
 Perforated depth m, 30 
 Gasoline and lubricating oil mixing ratio (by volume) 12:1