SmartROC D65 T4F 10 Options
185 No: 713944459.6 en
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Config ext unit Not used.
Info Info Shows current software version.
10.11 RC - Reverse Circulation
10.11.1 General
RC, or Reverse Circulation, is a method for transporting cuttings and the collection of cut-
ting samples. Unlike conventional drilling, when cuttings are drawn up by flushing air
between the drill steel and the borehole wall, the cuttings are drawn up with flushing air in a
separate tube inside the drill pipe.
The system covers the entire drill string, i.e. drill bit, down-the-hole rock drill and drill steel,
as well as devices for the further transportation and division of cuttings in small samples.
For documentation on the rotation unit, see separate instructions.
For specific documentation on drill pipes and the down-the-hole rock drill, refer to the docu-
mentation of the supplier in question.
Atlas Copco assumes no responsibility for the durability of the rig if rig equipment from an-
other supplier is fitted.
10.11.2 Functional description of RC components
1 Drill bit
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