BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Magnetic Braking System

Assembly

Eddy-current brake on the belt pulley shaft that creates artificial load, forcing the user to work harder to keep pace. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Magnetic Braking System parts and their functions

4 top-level parts · 9 parts in total · full bill of materials below
Magnetic Braking System parts diagram: 1 brake rotor disc, 2 neodymium magnet, 3 brake housing assembly, 4 brake position actuator. 9 parts in 4 top-level items.
Magnetic Braking System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Brake Rotor Disc 1× Steel disc fixed to the belt drive pulley shaft that rotates through a magnetic field.
2 Neodymium Magnet 6× Sintered neodymium-iron-boron permanent magnet, the strongest commercial magnet type, used for motor rotors, sensors, latches, and speakers.
3 Brake Housing Assembly 1× Aluminum or iron casting holding the permanent magnets and allowing radial adjustment.
4 Brake Position Actuator 1× Motor-driven screw or cam that adjusts the magnet gap, either continuously or in fixed levels.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Magnetic Braking System

4 top-level lines · 4 rows shown · 9 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Brake Rotor Disc jacobs-ladder-brake-rotor 1× 1 · part
2 Neodymium Magnet neodymium-magnet 6× 6 · part
3 Brake Housing Assembly jacobs-ladder-brake-housing 1× 1 · part
4 Brake Position Actuator jacobs-ladder-brake-actuator 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the magnetic braking system 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 $0.10–$20. How estimates work
VendorHQSpecialtyMOQLead 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
earth-panda.com ↗
Hefei, CN NdFeB magnets 5,000 pcs 6–10 wks