YT27 Air Leg Rock Drill

YT27 Air Leg Rock Drill
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Maxdrill’s YT27 air leg rock drills are a new type of rock drills that is high efficient in wet drilling horizontally or at a tilting angle in medium and hard rocks. It has a wide range of applications of mine tunnel excavation, railway building, water engineering and defense earthworks.

YT27 air leg rock drill matches lubricator FY250 and air leg FT160A (or FT160B), or can be fixed in rigs after the air leg is removed.

Specifications
Weight (kg) 27
Dimension (L × W × H mm) 668×248×202
Cylinder Diameter(mm) 80
Piston Strokes (mm) 60
Impact frequency (Hz) ≥36.9
Impact energy (J) ≥75.5
Air consumption (L/s) ≤83.3
Air hose inner diameter (mm) 25
Water hose inner diameter (mm) 13
Working pressure (Mpa) 0.63
Water pressure (Mpa) 0.3
Drilling diameter (mm) 34-45
Max drilling depth (m) 5
Shank (mm) 22×108±1/25×108±1
Lubricator FY250
Weight (kg) 1.2
Capacity (L) 0.25
Air leg
Model No. FT160A FT160B
Weight (kg) 17 16
Length extended (mm) 3006 2526
Length retracted (mm) 1668 1428
Feeding length (mm) 1338 1098
Maximum feed force (N) 2000 2000
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