Belleville Washer Spring Calculator

Calculate load-deflection, stress, and stacking configurations for Belleville (disc) springs per DIN 2093.

Outer diameter of the Belleville washer.
mm
Inner diameter.
mm
Material thickness.
mm
Free cone height (unloaded).
mm
Applied deflection.
mm
Spring steel: 207 GPa.
GPa
Steel: 0.3.

Results

Load at Deflection-N
Load at Flat (h=δ)-N
Max Stress (at ID)-MPa
Approx Spring Rate-N/mm
References: DIN 2093 — Disc Springs; Almen & Laszlo Theory