Slewing Unit Assembly
Sourcing — likely vendors
Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates| Vendor | HQ | Specialty | Est. unit price | MOQ | Lead time |
|---|---|---|---|---|---|
| bharatforge.com ↗ | Pune, IN | Forgings & metal parts | $323 | 500 pcs | 6–10 wks |
| dicastal.com ↗ | Qinhuangdao, CN | Aluminium castings & wheels | $287 | 500 pcs | 6–10 wks |
| tataautocomp.com ↗ | Pune, IN | Auto components | $271 | 500 pcs | 6–10 wks |
| 🇸🇬Beyonics beyonics.com ↗ | Singapore | Precision metal & mfg | $304 | 500 pcs | 6–10 wks |
| sundaram-clayton.com ↗ | Chennai, IN | Die castings | $385 | 500 pcs | 6–10 wks |
Slew ring, drives and platform letting the upper works rotate on the mast. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Build & assembly graph
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Bill of materials
3 top-level lines · 19 rows shown · 140 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Slew Ring Bearing 3 parts | tower-crane-slew-ring | 1× | 1 | 83 | assembly |
| 1.1 | Slew Ring Gear | tower-crane-slew-ring-gear | 1× | 1 | — | part |
| 1.2 | Ball Bearing | ball-bearing | 80× | 80 | — | part |
| 1.3 | Oil Seal | oil-seal | 2× | 2 | — | part |
| 2 | Slewing Drive 6 parts | tower-crane-slew-drive | 2× | 2 | 28 | assembly |
| 2.1 | Stator Assembly 3 parts | stator-assembly | 1× | 2 | 3 | assembly |
| 2.1.1 | Stator Core (laminations) | stator-core | 1× | 2 | — | part |
| 2.1.2 | Copper Winding | copper-winding | 1× | 2 | — | part |
| 2.1.3 | Slot Insulation | stator-insulation | 1× | 2 | — | part |
| 2.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 2 | 19 | assembly |
| 2.2.1 | Rotor Shaft | rotor-shaft | 1× | 2 | — | part |
| 2.2.2 | Rotor Core | rotor-core | 1× | 2 | — | part |
| 2.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 32 | — | part |
| 2.2.4 | Ball Bearing | ball-bearing | 1× | 2 | — | part |
| 2.3 | Motor Housing | motor-housing | 1× | 2 | — | part |
| 2.4 | Gearbox Housing | gearbox-housing | 1× | 2 | — | part |
| 2.5 | Helical Gear Pair | gear-pair | 3× | 6 | — | part |
| 2.6 | Encoder | encoder | 1× | 2 | — | part |
| 3 | Slewing Platform | tower-crane-slew-platform | 1× | 1 | — | part |