YT28 jack leg rock drill
It
is suitable for drilling on medium hard and hard rock (f=8~18). The
holes can be horizontal, sloping, and vertical upward. The drill rock
diameter and depth are 32~45mm and 5m respectively.
|
Technical Parameter |
|
|
Type |
YT28 |
|
Weight |
26 (Kg) |
|
Length |
661(mm) |
|
Cylinder dia |
φ80 (mm) |
|
Piston stroke |
60 (mm) |
|
Working pressure |
0.4~0.5 (Mpa) |
|
Impact energy |
≥60.2 (J) |
|
Impact frequency |
≥37 (Hz) |
|
Air consumption |
≤81 (L/s) |
|
Working water pressure |
0.2~0.3 (Mpa) |
|
Air pipe inner dia |
φ25 (mm) |
|
Water pipe inner dia |
φ13 (mm) |
|
Rock drill hole dia |
φ34~φ42 (mm) |
|
Rock drill hole depth |
5 (m) |
|
Shank size |
22×108 (mm) |

