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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.

Superstructure parts and their functions

4 top-level parts · 114 parts in total · full bill of materials below
Superstructure parts diagram: 1 revolving frame, 2 hoist mast, 3 slew bearing, 4 slew drive unit. 114 parts in 4 top-level items.
Superstructure parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Revolving Frame 1× Revolving deck frame
2 Hoist Mast 1× Hoist mast
3 Slew Bearing 1× Slew (slewing-ring) bearing
4 Slew Drive Unit 4 parts 3× Slew drive units

3D model

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Build & assembly graph

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product / assembly shared across products atomic part related product

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Bill of materials for Superstructure

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

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Where the superstructure is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Bharat Forge
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