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KR110D/A |
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| Technical Specification | Unit | |
| Max Torque | kN.m | 110 |
| Max. diameter | mm | 1200 |
| Max. drilling depth | m | 20 |
| Speed of rotation | rpm | 6~26 |
| Max. crowd pressure | kN | 90 |
| Max. crowd pull | kN | 120 |
| Main winch line pull | kN | 90 |
| Main winch line speed | m/min | 75 |
| Auxiliary winch line pull | kN | 35 |
| Auxiliary winch line speed | m/min | 40 |
| Stroke(crowd system) | mm | 3500 |
| Mast inclination(lateral) | ° | ±3 |
| Mast inclination(forward) | ° | 5 |
| Mast inclination(backward) | ° | 87 |
| Max. operating pressure | mpa | 35 |
| Pilot pressure | mpa | 3.9 |
| Travel speed | km/h | 1.5 |
| Traction force | kN | 230 |
| Operating height | mm | 12367 |
| Operating width | mm | 3600/3000 |
| Transport height | mm | 3507 |
| Transport width | mm | 2600/3000 |
| Transport length | mm | 10510 |
| Overall weight | t | 33 |
| Engine performance | ||
| Engine Model | CumminsQSB7-C166 | |
| Cylinder number*Cylinder diameter*Stroke | mm | 6×107×124 |
| Displacement | L | 6.7 |
| Rated Power | kw/rpm | 124/2050 |
| Max. Torque | N.m/rpm | 658/1300 |
| Emission Standard | U．S．EPA | Tier3 |
| Kelly bar | Friction Kelly Bar | Interlocking kelly bar |
| Outside（mm） | φ299 | |
| Section*each length（m） | 4×7 | |
| Max depth（m） | 20 | |
The construction layer of this case:The construction layer is rock mixed with soil and highly weathered rock.
The drilling diameter of the hole is 1800mm, the drilling depth of the hole is 12m —– the hole is formed in 2.5 hours.
The construction layer is highly weathered and moderately weathered rock,.
The drilling diameter of the holes is 2000mm, the drilling depth of the hole is 12.8m—–the hole is formed in 9 hours.
