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1. YO18,Y19A,YO20,Y24,Y26 are Hand Held Jack hammer.
2. YT23,YT24,YT26,YT27,YT28,YT29A,MZ7665 are Air leg Jack hammer
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Remark: The air pressure of function specification is 0.5Mpa
This type Jack hammer use compressed air as power, mainly used in construction sites, various types of mines, tunnel, railways, water conservancy construction and national defense construction areas for drilling operations.Suitable for either drilling downward or incline of blast holes in medium-hard rock, of for second blasting operation,Centrally grouped control, nimble starting, stable running and easy maintenance.
Specification for Hand Held Jack Hammer:
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Model No
YO18
Y19A
YO20
Y24
Y26
Weight               (kg)
18
19
20
24
26
Length               (mm)
550
600
561
604
650
Cylinder Dia*Stroke   (mm)
58*45
65*54
63*55
70*70
65*70
Working Pressure     (Mpa)
0.4-0.63
Impact energy         (J)
≥22
≥28
≥26
≥44.7
≥23
Impact frequency      (Hz)
≥32
≥28
≥33
≥27
≥30
Air consumption       (L/S)
≤20
≤37
≤33
≤55
≤47
Hose size            (mm)
19
19
19
19
19
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
Specification for Air Leg Rock Drill
Model No
YT23
YT24
YT26
YT27
YT28
YT29A
MZ7665
Weight               (kg)
24
24
26
27
28
27
26
Length               (mm)
628
678
690
668
661
659
720
Cylinder Dia*Stroke   (mm)
76*60
70*70
95X60
80*60
80*60
82*60
76*70
Working Pressure     (Mpa)
0.4-0.63
Impact energy         (J)
≥65
 ≥65
 ≥64
≥75.5
≥70
≥78
≥70
Impact frequency      (Hz)
≥37
 ≥31
≥36.5
≥36.7
≥37
≥37
≥37
Air consumption       (L/S)
≤78
 ≤67
 ≤55
≤83.3
≤81
≤88
≤81
Hose size            (mm)
19
25
25
25
25
25
25
Rork drill hose diameter(mm)
34-42
34-42
34-42
34-42
34-42
34-42
34-42
Rock drill hose depth   (m)
5
5
5
5
5
5
5
Shank size           (mm)
22x108
22x108
22x108
22x108
22x108
22x108
22x108
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Yt28 Rock Drill/Hammer Rock Drill/Pusher Leg Drill
Air Leg Rock Drill
YT28 Air-leg Rock Drill is a product that we developed, having advantages of all kinds of air-leg rock drills. Compared with other rock drills, YT28 adopts the latest designing technology, with the superiority of its high speed, low failure rate, durable wearing parts, low noise, and light weight. It is also efficient, energy saving and environmentally sound.
Specification for YT28Â Air Leg Rock Drill:
Technology parameter
Parameters unit
parameters
Weight
kg
≈28
Length
mm
670
Cylinder diameter
mm
Φ80
Piston stroke
mm
60
Air consumption
L/S
≤81.6
Impact frequency
Hz
≥ 37
Impact strength
J
≥ 70
Drilling speed
mm/min
≥ 470
Drilling diameter
mm
Φ34~45
Drilling depth
m
5
Shank dimensions
mm
22×108±1(hex×lengt)