Slewing Assembly
AssemblyLarge-diameter slew ring between base and tower; the whole tower rotates, unlike a top-slewing crane. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Slewing Assembly
5 top-level lines as of r151953| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Slew Ring | self-erecting-tower-crane-slew-ring | 1× | 1 | · | part |
| 2 | Slew Gearmotor | self-erecting-tower-crane-slew-gearmotor | 1× | 1 | · | part |
| 3 | Slew Frequency Drive | self-erecting-tower-crane-slew-vfd | 1× | 1 | · | part |
| 4 | Encoder | encoder | 1× | 1 | · | part |
| 5 | Ball Bearing | ball-bearing | 2× | 2 | · | part |