China Yt28 Rotary Electric Pneumatic Hammer Rock Drill, Find details about China Coal Mining Rock Drill, Air Power Rock Drill from Yt28 Rotary Electric Pneumatic Hammer Rock Drill
Model No | YT24 | YT26 | YT27 | YT28 | YT29A |
Weight (kg) | 24 | 26 | 27 | 28 | 27 |
Length (mm) | 678 | 690 | 668 | 661 | 659 |
Cylinder Dia*Stroke (mm) | 70*70 | 95X60 | 80*60 | 80*60 | 82*60 |
Working Pressure (Mpa) | 0.4-0.63 | ||||
Impact energy (J) | ≥65 | ≥64 | ≥75.5 | ≥70 | ≥78 |
Impact frequency (Hz) | ≥31 | ≥36.5 | ≥36.7 | ≥37 | ≥37 |
Air consumption (L/S) | ≤67 | ≤55 | ≤83.3 | ≤81 | ≤88 |
Hose size (mm) | 25 | 25 | 25 | 25 | 25 |
Rork drill hose diameter(mm) | 34-42 | 34-42 | 34-42 | 34-42 | 34-42 |
Rock drill hose depth (m) | 5 | 5 | 5 | 5 | 5 |
Shank size (mm) | 22x108 | 22x108 | 22x108 | 22x108 | 22x108 |
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