BOMwiki

Slewing Unit Assembly

Sourcing — likely vendors

Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates
VendorHQSpecialtyEst. unit priceMOQLead time
🇮🇳Bharat Forge
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 83 assembly
1.1 Slew Ring Gear tower-crane-slew-ring-gear 1 part
1.2 Ball Bearing ball-bearing 80× 80 part
1.3 Oil Seal oil-seal 2 part
2 Slewing Drive 6 parts tower-crane-slew-drive 2 28 assembly
2.1 Stator Assembly 3 parts stator-assembly 2 3 assembly
2.1.1 Stator Core (laminations) stator-core 2 part
2.1.2 Copper Winding copper-winding 2 part
2.1.3 Slot Insulation stator-insulation 2 part
2.2 Rotor Assembly 4 parts rotor-assembly 2 19 assembly
2.2.1 Rotor Shaft rotor-shaft 2 part
2.2.2 Rotor Core rotor-core 2 part
2.2.3 Neodymium Magnet neodymium-magnet 16× 32 part
2.2.4 Ball Bearing ball-bearing 2 part
2.3 Motor Housing motor-housing 2 part
2.4 Gearbox Housing gearbox-housing 2 part
2.5 Helical Gear Pair gear-pair 6 part
2.6 Encoder encoder 2 part
3 Slewing Platform tower-crane-slew-platform 1 part

Used in 1 assembly