Rotary Head
AssemblyThe gearbox that turns the drill string slowly and steadily so the jet sweeps a uniform circle as it rises. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Rotary Head
6 top-level lines as of r92012| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Head Gearbox 4 parts | jet-grouting-rig-head-gearbox | 1× | 1 | 0 | assembly |
| 2 | Head Motor | jet-grouting-rig-head-motor | 2× | 2 | · | part |
| 3 | Head Spindle | jet-grouting-rig-head-spindle | 1× | 1 | · | part |
| 4 | High-Pressure Swivel | jet-grouting-rig-swivel | 1× | 1 | · | part |
| 5 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 6 | Oil Seal | oil-seal | 2× | 2 | · | part |