Technical specifications | ||
Rock hardness: | f=6～20 | |
Hole size: | 90～140mm | |
Hole depth: | 40m | |
Running speed： | 2.1/3.3 km/h | |
Working air pressure | 1.2~2.5Mpa | |
Air consumption: | 11.5 (4 inch hammer)~13.8(5 inch hammer)m3/min | |
Preliminary penetration distance: | 4.26m | |
Swing angle of carriage： | 20º to the left and 80º to the right (For 851A, 45° to the left, and 40° to the right) | |
Swing angle of drill boom： | 45° to the left and 70° to the right | |
Elevation angle of drill boom： | 50°upward and 20°downward(For851A, 60°upward and20° downward) | |
Flip angle of carriage | 140° (851A 160 º) | |
Maximum horizontal drilling height | 3.50m | |
Compensation length： | 1.0m (851A 1.2m) | |
Minimum ground clearance： | 200mm | |
Speed of rotary machine: | 0～80r/min | |
Maximum rotary torque: | 2200Nm | |
Rotary motor power (16MPa) | 21.28kW | |
Running motor power (16MPa) | 12.14kW | |
Driving motor power (16MPa) | 3.33kW | |
Outline dimensions (length × width× height)： | 7100×2300×2900 (during transportation) | |
Weight： | 6700kg | |
| Contact Person : | Lena |
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