Description
YT28 pneumatic air-leg rock drill
Suitable for making horizontal and inclined blastholes, in medium-hard and hard rocks with a hardness of f=8-18.
Among the various air-leg rock drills, these three are most versatile to different working conditions, this kind of rock drill is an important tool for rock drilling operations in mines,railway,communincation and water conservancy projects.
Energy-saving and efficient, long service life of parts, parts highly interchangeable and reliable performance.
| Specification | ||
| Weight | 28 | kg |
| Outside dimensions(L×W×H) | 659*248*205 | mm |
| Cylinder diameter | 82 | mm |
| Piston Stroke | 60 | mm |
| Working Pressure | 0.40-0.63 | mpa |
| Impact Energy | J | |
| ≥78(0.63Mpa) | ||
| ≥69(0.5Mpa) | ||
| ≥50(0.4Mpa) | ||
| Air Consumption | L/S | |
| ≤88(0.63Mpa) | ||
| ≤65(0.5Mpa) | ||
| ≤52(0.4Mpa) | ||
| Impact Frequency | HZ | |
| ≥39(0.63Mpa) | ||
| ≥37(0.5Mpa) | ||
| ≥36(0.4Mpa) | ||
| Torque | N.M | |
| ≥20(0.63Mpa) | ||
| ≥17(0.5Mpa) | ||
| ≥15(0.4Mpa) | ||
| Rotated speed | 300(0.5Mpa) | R/min |
| Working Water Pressure | 0.3 | Mpa |
| Air pipe inner diameter | 25 | mm |
| Water pipe inner diameter | 13 | mm |
| Rock drill hole diameter | 34-45 | mm |
| Max drilling depth | 5 | m |
| Working temperature | 30~45 | ºC |
| Shank Size | H22*108 | mm |
| FY250 Oil Lubricator | ||
| Weight | 1.2 | kg |
| Oil Reserve | 0.25 | Litre |
| FT160A Air Leg | ||
| Length | 1668 | mm |
| Advance Length | 1338 | mm |
| Cylinder diameter | 65 | mm |
| Weight | 18 | kg |
