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MAIN FEATURES:
1、High torque output, minimizing the risk of jamming;
2、Double buffering system, maximizing capacity to absorb shock wave recoil;
3、High impact frequency, reducing drill bit and drill pipe losses.
TECHNICAL SPECIFICATIONS:
Dimensions and Weight | ||
Weight | 178kg | |
Length without shank adapter | 1010mm | |
Width including connectors | 255mm | |
Height | 235mm | |
Height over drill center | 88mm | |
Impact ratings | ||
1838HD+ | 2238HD+ | |
Impact power (max.) | 18kW | 22kW |
Input power to rock drill (max.) | 31kW | 37kW |
Hydraulic pressure (max.) | 230bar | 250bar |
Flow rates | 75-92L/min | 83-93L/min |
Impact frequency | 60Hz | 73Hz |
Rotation ratings | ||
Type | 160cc | |
Rotation range | 0-215rpm | |
Torque(max.) | 1000Nm | |
Working pressure (max.) | 210bar | |
Oil consumption (max.) | 75L/min | |
Flushing flow and pressure | ||
Flushing water pressure (max.) | 25bar | |
Lubricating air consumption at 1.5 bar | 5 L/s | |
Flushing water consumption | 55-120L/min | |
Flushing water consumption depends on strongly upon hole diameter bit types, drill rod size and rock hardness. | ||
Service kits | ||
1838HD+ | 2238HD+ | |
Seal kit | U00900000004 | U00900000008 |
Minor preventive maintenance kit | U00900000003 | U00900000007 |
Major preventive maintenance kit | U00900000002 | U00900000006 |
Shank adapter | U1838HD+/U2238HD+ Drifting | U1838HD+/U2238HD+ For extension drilling |
R38 | 200100001541 | 200100001542 |
T38 | 20117001573 | 200100001540 |