Drawworks
AssemblyAC-motor-driven winch spooling the drill line; multiple motors through a common gear train give several thousand kilowatts of hoisting power with regenerative braking. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Drawworks
11 top-level lines as of r192497| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Stator Assembly 3 parts | stator-assembly | 4× | 4 | 0 | assembly |
| 2 | Rotor Assembly 4 parts | rotor-assembly | 4× | 4 | 0 | assembly |
| 3 | Helical Gear Pair | gear-pair | 6× | 6 | · | part |
| 4 | Encoder | encoder | 4× | 4 | · | part |
| 5 | Drawworks Drum | drillship-drawworks-drum | 1× | 1 | · | part |
| 6 | Disc Brake Unit | drillship-disc-brake | 3× | 3 | · | part |
| 7 | Clutch Unit | drillship-clutch-unit | 2× | 2 | · | part |
| 8 | Ball Bearing | ball-bearing | 16× | 16 | · | part |
| 9 | Oil Seal | oil-seal | 8× | 8 | · | part |
| 10 | Hydraulic Cylinder 4 parts | drillship-hydraulic-cylinder | 4× | 4 | 0 | assembly |
| 11 | Control & I/O Board 4 parts | drillship-control-board | 2× | 2 | 0 | assembly |