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Sound Generator

Assembly

Motor-spun chopper wheel that interrupts airflow through stator ports, generating the siren tone mechanically at over 120 dB source level. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Sound Generator parts and their functions

4 top-level parts · 29 parts in total · full bill of materials below
Sound Generator parts diagram: 1 chopper wheel, 2 stator ring, 3 chopper motor, 4 intake screen. 29 parts in 4 top-level items.
Sound Generator parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Chopper Wheel 1× Slotted rotor
2 Stator Ring 1× Ported stator
3 Chopper Motor 5 parts 1× ~7.5 kW drive motor
4 Intake Screen 1× Debris and bird screen

3D model

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Build & assembly graph

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Bill of materials for Sound Generator

4 top-level lines · 16 rows shown · 29 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Chopper Wheel storm-siren-chopper-wheel 1× 1 · part
2 Stator Ring storm-siren-stator-ring 1× 1 · part
3 Chopper Motor 5 parts storm-siren-chopper-motor 1× 1 26 assembly
3.1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
3.1.1 Stator Core (laminations) stator-core 1× 1 · part
3.1.2 Copper Winding copper-winding 1× 1 · part
3.1.3 Slot Insulation stator-insulation 1× 1 · part
3.2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
3.2.1 Rotor Shaft rotor-shaft 1× 1 · part
3.2.2 Rotor Core rotor-core 1× 1 · part
3.2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
3.2.4 Ball Bearing ball-bearing 1× 1 · part
3.3 Motor Housing motor-housing 1× 1 · part
3.4 Ball Bearing ball-bearing 2× 2 · part
3.5 Copper Winding copper-winding 1× 1 · part
4 Intake Screen storm-siren-intake-screen 1× 1 · part

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Where the sound generator 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 $2–$500. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Inovance
inovance.com ↗
Shenzhen, CN Drives & motion control 500 units 10–14 wks
🇮🇳Sona Comstar
sonacomstar.com ↗
Gurugram, IN EV driveline & motors 500 units 10–14 wks
🇨🇳Broad-Ocean
broad-ocean.com ↗
Zhongshan, CN Electric motors 500 units 10–14 wks
nidec.com ↗ Singapore Motors, regional ops 500 units 10–14 wks
🇮🇳Bosch India
bosch.in ↗
Bengaluru, IN Automotive components 500 units 10–14 wks