Gas Legged Rock Drill

, rock drill 1.Scientific design,good layout 2.Good material 3.Unicase treatment 4.The quality of the most rigorous test Model Weight kg Mechanical length mm Diameter cylinder ×Trip mm Worked pressure MPa Impact energy J Impact frequency Hz The number of useing air I/s YT23 24 628 76×60 0.4-0.63 ≥65 ≥37 ≤78 YT23D 24 668 70×70 0.4-0.63 ≥65 ≥31 ≤67 YT24 24 678 70×70 0.4-0.63 ≥65 ≥31 ≤67 ZY24 25 690 70×70 0.4-0.63 ≥65 ≥30 ≤67 YT28 26 661 60×60 0.4-0.63 ≥70 ≥37 ≤81 MZ7665 26 720 76×70 0.4-0.63 ≥70 ≥37 ≤81