The YT27 air-legged rock drill is a highly efficient lightweight rock drill suitable for downward or inclined drilling in medium-hard or hard (f=8 - 18) rock with a diameter of 34 - 45 mm and an effective drilling depth of up to 5 m.
Features:
Our air-leg rock drills have following features:
1. Fit for wet drilling in medium-hard or hard rock
2. Grouped control mechanism, quick to start up, with "air on, water on, air off, water off" mechanism, convenient to handle and easy to maintain and repair.
3. Energy-saving and efficient, long service life of parts which are highly interchangeable and reliable performance.
4. YT27 differs from similar products particularly in its high efficiency strong flushing and powerful torque.
Application areas:
Railway, tunnel, highway, metallurgy, coal mine, water conservancy and hydropower construction projects.
SPECIFICATIONS for YT series pneumatic rock drilling machine with air leg | |||||
Model | YT28 | YT27 | YT29A | YT24C | TY24 |
Weight | 26kgs | 27kgs | 26.5kgs | 24kgs | 24kgs |
Length | 661mm | 668mm | 659mm | 628mm | 678mm |
Air pressure | 0.4-0.63Mpa | 0.4-0.63Mpa | 0.4-0.63Mpa | 0.4-0.63Mpa | 0.4-0.63Mpa |
Impact frequency | ≧37HZ | ≧39HZ | ≧39HZ | ≧37HZ | ≧31HZ |
Air consumption | ≦81L/s | ≦86L/s | ≦88L/s | ≦80L/s | ≦67L/s |
Impact energy | ≧70J | ≧75J | ≧78J | ≧65J | ≧65J |
Cylinder*stroke | 80mm*60mm | 80mm*60mm | 82mm*60mm | 76mm*60mm | 70mm*70mm |
Air pipe diameter | 25mm | 19mm | 25mm | 25mm | 19mm |
Shank dimension | 22*108mm | 22*108mm | 22*108mm | 22*108mm | 22*108mm |
Drilling depth | 5m | 5m | 5m | 5m | 5m |
Bit diameter | 34-42mm | 34-45mm | 34-45mm | 34-42mm | 34-42mm |