Technical specifications of YT29A pneumatic leg rock drill | ||
Machine weight | 26.5 | KG |
External dimensions (length x width x height) | 659 × 248× 205 | MM |
Cylinder diameter | 82 | MM |
Piston structure stroke | 60 | MM |
Working air pressure | 0.40-0.63 | Mpa |
Impact energy | ≥78(0.63Mpa)≥69(0.5Mpa)≥50(0.4Mpa) | Joule |
Gas consumption during rock drilling | ≤88(0.63Mpa)≤65(0.5Mpa)≤52(0.4Mpa) | L/S |
Rock drilling impact frequency | ≥39(0.63Mpa)≥37(0.5Mpa)≥36(0.4Mpa) | Hz |
Torque | ≥20(0.63Mpa)≥16(0.5Mpa)≥14(0.4Mpa | N• M |
Using water pressure | 0.3 | Mpa |
Tracheal inner diameter | 25 | MM |
Inner diameter of water pipe | 13 | MM |
Suitable drilling diameter | 34-45 | MM |
Suitable maximum drilling depth | 5 | M |
Working temperature | -75 | ℃ |
Shank size | H22× 108±1 | MM |