3D illustration · excerpt · 16 sec
How the cutting arrangement works
Follow the barrel, cone positions and cutting ring.
In this video
- Follow the complete barrel as it moves towards the rock.
- Use the transparent view to locate the cones around the cutting ring.
- Compare inner and outer cutting paths in the linked technical guide.
The animation shows the cutting arrangement around a roller-bit core barrel. Mounting geometry varies with the barrel design.
Video description
The view moves from the complete barrel above the rock to a transparent body and the roller bits around the cutting ring.


WS39 casing tooth
JM cutter tooth
B47K22 bullet tooth

