Electromagnetic Resistance Unit
AssemblyAn electromagnetic brake/motor on the flywheel shaft: energized coils and a permanent-magnet rotor set the braking torque, and can drive the flywheel for ERG-mode road feel and descent simulation. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Electromagnetic Resistance Unit parts and their functions
6 top-level parts · 40 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Electromagnet Coil Assembly 3 parts | 1× | Brake coil assembly |
| 2 | Stator Assembly 3 parts | 1× | Wound stator |
| 3 | Rotor Assembly 4 parts | 1× | Permanent-magnet rotor |
| 4 | Neodymium Magnet | 12× | Rotor brake magnets |
| 5 | Ball Bearing | 2× | Brake shaft bearings |
| 6 | Brake Housing | 1× |
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Bill of materials for Electromagnetic Resistance Unit
6 top-level lines · 16 rows shown · 40 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Electromagnet Coil Assembly 3 parts | sbt-electromagnet | 1× | 1 | 3 | assembly |
| 1.1 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 1.2 | Coil Bobbin | sbt-coil-bobbin | 1× | 1 | · | part |
| 1.3 | Laminated Pole Core | sbt-pole-core | 1× | 1 | · | part |
| 2 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 2.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 2.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 2.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 3 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 3.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 3.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 3.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 3.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 4 | Neodymium Magnet | neodymium-magnet | 12× | 12 | · | part |
| 5 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 6 | Brake Housing | sbt-brake-housing | 1× | 1 | · | part |
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Where the electromagnetic resistance unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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 $0.10–$20. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳JL MAG
jlmag.com.cn ↗
|
Ganzhou, CN | Rare-earth magnets | 5,000 pcs | 6–10 wks |
| zhmag.com ↗ | Yantai, CN | NdFeB magnets | 5,000 pcs | 6–10 wks |
| china-ys.com ↗ | Ningbo, CN | NdFeB magnets | 5,000 pcs | 6–10 wks |
| sanhuanmagnetics.com ↗ | Beijing, CN | Rare-earth magnets | 5,000 pcs | 6–10 wks |
| earth-panda.com ↗ | Hefei, CN | NdFeB magnets | 5,000 pcs | 6–10 wks |