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- WC pneumatic down-hole hammer
WC pneumatic down-hole hammer,
middle-low air pressure，no valve type structure, low air consumption.
Used with all kinds of anchor rigs and engineering rigs. Wall
thickness, length, thread of flat drill rods can be made according
to your requirements.
- Air-driven hollow DTH hammer
Used together with dual concentric drill pipe,
air-driven hollow down-the-hole hammer can perform continuous
reverse circulation core (sample) drilling and other drilling
technology . It is suitable for geological exploration core drilling,
well drilling, engineering drilling in hard or complicated formations
and it has advantages of high drilling efficiency ,long life of
bit ,high quality of drilling hole and core,etc.
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- WC pneumatic down-hole hammer
Type
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Hole Dia. (mm)
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Tools Dia. (mm)
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Air Consumption
(m3/min)
|
Air pressure(Mpa）
|
Power （J）
|
Frequency （Hz）
|
Length （mm）
|
Weigth （g）
|
Outer Flat Rod（mm） |
WC70
|
75-95 |
66 |
2.5-3 |
0.5-0.6 |
60-80 |
12-16
|
1030
|
16
|
φ50 φ60 |
WC85
|
95-110
|
85
|
2.6-3
|
0.5-0.6
|
80-120
|
10-16
|
1112
|
23
|
φ60 φ73 |
WC100
|
105-120
|
92
|
4-6
|
0.5-0.7
|
160
|
18
|
923
|
35
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φ76 φ89 |
WC110
|
115-140
|
102/106
|
4-6
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0.5-0.7
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180-420
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12-15
|
1200
|
42
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φ76 φ89 |
WC150
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150-180
|
142
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6-10
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0.5-1.2
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200-580
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12-15
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1230
|
68
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φ89 φ114 |
WC200
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205-250
|
185
|
18-21
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0.5-1.7
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450-800
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10-14
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1400
|
118
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φ114 φ127 |
- Air-driven hollow DTH hammer
Type
|
Outside Dia. （mm）
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Central hole Dia.
（mm）
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Dia.of Drilling
hole （mm）
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Air consumption
（m3/min）
|
Air pressure （MPa）
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Single impact energy（J）
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Fregquency （Hz） |
GQ-100/44
|
95
|
44
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98-105
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2-3.5
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0.5-1.1
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66-145
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13.5-18.6 |
| GQ-80/28 |
80 |
28 |
84-95 |
3 |
0.5-1.1 |
50-120 |
18 |
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