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Nacelle

Assembly

Steel bedplate carrying the gearbox, generator, main bearings and yaw drive at the tower top. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Nacelle parts and their functions

8 top-level parts · 182 parts in total · full bill of materials below
Nacelle parts diagram: 1 main shaft, 2 main bearing, 3 gearbox, 4 generator, 5 yaw drive, 6 bedplate, 7 nacelle cover, 8 cooling system. 182 parts in 8 top-level items.
Nacelle parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Main Shaft 1× Low-speed rotor shaft
2 Main Bearing 2 parts 2× Spherical roller main bearings
3 Gearbox 5 parts 1× Three-stage planetary/helical gearbox
4 Generator 4 parts 1× Doubly-fed or permanent-magnet generator
5 Yaw Drive 3 parts 4× Geared yaw drive units
6 Bedplate 1× Cast-iron main frame
7 Nacelle Cover 1 parts 1× GFRP weather enclosure
8 Cooling System 3 parts 1× Generator and gearbox cooling loop

3D model

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Build & assembly graph

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Bill of materials for Nacelle

8 top-level lines · 42 rows shown · 182 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Main Shaft floating-wind-turbine-main-shaft 1× 1 · part
2 Main Bearing 2 parts floating-wind-turbine-main-bearing 2× 2 · part
2.1 Ball Bearing ball-bearing 1× 2 · part
2.2 Oil Seal oil-seal 2× 4 · part
3 Gearbox 5 parts floating-wind-turbine-gearbox 1× 1 14 assembly
3.1 Planetary Stage floating-wind-turbine-planet-stage 1× 1 · part
3.2 Helical Gear Pair gear-pair 2× 2 · part
3.3 Gearbox Housing gearbox-housing 1× 1 · part
3.4 Ball Bearing ball-bearing 6× 6 · part
3.5 Oil Seal oil-seal 4× 4 · part
4 Generator 4 parts floating-wind-turbine-generator 1× 1 25 assembly
4.1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
4.1.1 Stator Core (laminations) stator-core 1× 1 · part
4.1.2 Copper Winding copper-winding 1× 1 · part
4.1.3 Slot Insulation stator-insulation 1× 1 · part
4.2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
4.2.1 Rotor Shaft rotor-shaft 1× 1 · part
4.2.2 Rotor Core rotor-core 1× 1 · part
4.2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
4.2.4 Ball Bearing ball-bearing 1× 1 · part
4.3 Slip Ring Unit floating-wind-turbine-slip-ring 1× 1 · part
4.4 Ball Bearing ball-bearing 2× 2 · part
5 Yaw Drive 3 parts floating-wind-turbine-yaw-drive 4× 4 26 assembly
5.1 Servo Motor 4 parts servo-motor 1× 4 24 assembly
5.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 4 3 assembly
5.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 4 19 assembly
5.1.3 Encoder encoder 1× 4 · part
5.1.4 Motor Housing motor-housing 1× 4 · part
5.2 Helical Gear Pair gear-pair 1× 4 · part
5.3 Yaw Bearing 1 parts floating-wind-turbine-yaw-bearing 1× 4 · part
5.3.1 Ball Bearing ball-bearing 1× 4 · part
6 Bedplate floating-wind-turbine-bedplate 1× 1 · part
7 Nacelle Cover 1 parts floating-wind-turbine-nacelle-cover 1× 1 · part
7.1 Sheet Metal Panel sheet-panel 4× 4 · part
8 Cooling System 3 parts floating-wind-turbine-cooling 1× 1 27 assembly
8.1 Radiator floating-wind-turbine-radiator 1× 1 · part
8.2 Servo Motor 4 parts servo-motor 1× 1 24 assembly
8.2.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
8.2.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
8.2.3 Encoder encoder 1× 1 · part
8.2.4 Motor Housing motor-housing 1× 1 · part
8.3 Pressure Sensor pressure-sensor 2× 2 · part

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Where the nacelle 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–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks