Specification
Body of YT28
Work air pressure MPa 0.40 0.50 0.63
Air consumption L/S ≤47 ≤55 ≤65
Rock drilling frequency Hz ≥33 ≥36 ≥39
Rock drilling hole speed mm/min ≥350 ≥360 ≥380
Noise dB (A) ≤125 ≤126 ≤127
Impact energy J ≥48 ≥60 ≥75
Weight Kg ≈28
Length Mm 661
Cylinder dia mm 80
Piston stroke mm 60
Air pipe entraining inner dia mm 25
Water pipe entraining inner dia mm 13
Bit shank cover dimension mm 22X108±1
Drill bit head dia mm Φ34~42
FT160BC air leg (long) Weight kg ≈16.9
Cylinder dia mm 65
Length mm 1800
Air leg push stroke mm 1365
FT160BD air leg (short) Weight kg ≈14.4
Cylinder dia mm 65
Length mm 1400
Air leg push stroke mm 965
FY200B greaser
Capacity ml 200
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