1. Grouped control mechanism, quick of start up, with "air-on, water-on, air-off, water-off" mechanism, easy operation and maintenance.
2. Low noise, small vibration, energy-saving and efficient, highly interchangeable parts with long service life, reliable performance.
3. Different from similar products particularly in its high efficiency, strong flushing and powerful torque.
7655(YT23) Pusher Leg Rock Drills Technical specifications
Quality
24
kg
Overall Dimensions (L× W× H)
628*232*207
mm
Cylinder Diameter
76
mm
Piston Stroke
55
mm
Working Air Pressure
0.4-0.63
Mpa
Working Water Pressure
0.3
Mpa
Working Temperature
-30~50
°C
Inner Diameter Of Trachea
25
mm
Inner Diameter Of Water Pipe
13
mm
Shank Size
H22*108
mm
Suitable Hole Diameter
34~22
mm
Suitable Maximum Drilling Depth
5
m
Acceptance Air Pressure
0.63
0.5
0.4
Mpa
Impact Energy
≥65
≥59
≥42
J
Rock Drilling Impact Frequency
≥37
≥36
≥34
Hz
Gas Consumption During Rock Drilling
≤80
≤54
≤50
L/s
Torque
≥ 18
≥ 15
≥ 12
N·m
Speed
≥ 300
≥ 300
≥ 280
r/min
Noise
≤ 126
≤ 125
≤ 124
A
Rock Drillings Speed
≤410
≤350
≤260
mm/min
Cleanliness
≤750
mg
It may also be used with for making roof-bolting holes. The drill is an important instrument in mining, railway, communication and water conservancy projects.
May be used together with FT160ABC Air-leg and FY200B Line Oiler with transparent casing. The tool can also be mounted on a rig or a wagon.
FT160 air leg Technical Spec
FT160A Type
FT160B Type
FT160C Type
Full Length
1668
1428
1820
mm
Propulsion Stroke
1388
1098
1490
mm
Cylinder Bore
65
65
65
mm
Quality
17
15
18
kg
FT160 Air leg YT27, YT29A, 7655 (YT23) universal
FY200B Oiler Technical Spec
Quality
1.2
kg
Oil Capacity
0.2
L
Oil feeder Model No. FY200B for 7655(YT23) air leg rock drill