Superstructure Assembly
The revolving upper frame that carries both booms and slews them about a large slew bearing under power of the slew drive units. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
4 top-level lines · 18 rows shown · 114 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Revolving Frame | bwe-revolving-frame | 1× | 1 | — | part |
| 2 | Hoist Mast | bwe-mast | 1× | 1 | — | part |
| 3 | Slew Bearing | bwe-slew-bearing | 1× | 1 | — | part |
| 4 | Slew Drive Unit 4 parts | bwe-slew-drive | 3× | 3 | 37 | assembly |
| 4.1 | Wheel Drive Motor 6 parts | bwe-wheel-drive-motor | 1× | 3 | 27 | assembly |
| 4.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 3 | 3 | assembly |
| 4.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 3 | 19 | assembly |
| 4.1.3 | Copper Winding | copper-winding | 1× | 3 | — | part |
| 4.1.4 | Motor Housing | motor-housing | 1× | 3 | — | part |
| 4.1.5 | Ball Bearing | ball-bearing | 2× | 6 | — | part |
| 4.1.6 | Oil Seal | oil-seal | 1× | 3 | — | part |
| 4.2 | Slew Gearbox 4 parts | bwe-slew-gearbox | 1× | 3 | 7 | assembly |
| 4.2.1 | Gearbox Housing | gearbox-housing | 1× | 3 | — | part |
| 4.2.2 | Helical Gear Pair | gear-pair | 2× | 6 | — | part |
| 4.2.3 | Ball Bearing | ball-bearing | 3× | 9 | — | part |
| 4.2.4 | Oil Seal | oil-seal | 1× | 3 | — | part |
| 4.3 | Slew Pinion | bwe-slew-pinion | 1× | 3 | — | part |
| 4.4 | Ball Bearing | ball-bearing | 2× | 6 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.50–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| bharatforge.com ↗ | Pune, IN | Forgings & metal parts | 500 pcs | 6–10 wks |
| dicastal.com ↗ | Qinhuangdao, CN | Aluminium castings & wheels | 500 pcs | 6–10 wks |
| tataautocomp.com ↗ | Pune, IN | Auto components | 500 pcs | 6–10 wks |
| 🇸🇬Beyonics beyonics.com ↗ | Singapore | Precision metal & mfg | 500 pcs | 6–10 wks |
| sundaram-clayton.com ↗ | Chennai, IN | Die castings | 500 pcs | 6–10 wks |