Rotation Head
AssemblyHydraulic motor and gearbox rotating the drill string. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Rotation Head
5 top-level lines as of r107288| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Rotation Motor | mine-cable-bolter-rotation-motor | 1× | 1 | · | part |
| 2 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 3 | Gearbox Housing | gearbox-housing | 1× | 1 | · | part |
| 4 | Ball Bearing | ball-bearing | 3× | 3 | · | part |
| 5 | Oil Seal | oil-seal | 2× | 2 | · | part |