Repelling of the ring-shaped magnets - QuickField simulation example
Two coaxial permanent ring-shaped magnets repel each other.
How to find repelling force between coaxial ring magnets?
Answer Typical applications Geometry
D1 = 2" (50.8 mm) inner diameter of the ring magnet; Given
Task
Solution
Result
* Reference: www.kjmagnetics.com.
Engineering question
Draw an integration contour in the air around one magnet and integrate the magnetic force from the axisymmetric DC-magnetic solution.
coaxial ring magnets, permanent magnet assemblies, axial magnet interaction systems
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Simulation problem
Problem Type
Axisymmetric problem of DC magnetics
D2 = 0.5" (12.7 mm) outer diameter of the ring magnet;
L = 0.75" (19.05 mm) - thickness of the magnet;
δ=0.5" (12.7 mm) - gap between the magnets.
magnet grade N35, Hc = 954930 A/m, Br = 1.26 T;
Calculate the repelling force between two coaxial ring-shaped permanent magnets.
For accurate calculation, the integration contour is drawn in the air around one of the magnet.
Magnetic field lines and mechanical force calculation
Repelling force
QuickField
160 N
Reference*
175 N (38.51 lb, 1 lb = 4.54 N)
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