Disc spring calculator

Calculate disc springs with geometry and properties according to DIN 2093.

Calculations based on DIN 2092

Spring design

Spring without contact surfaces
Spring with contact surfaces

Input data for calculation

Material
Outside diameter, De	mm
Inside diameter, Di	mm
Thickness, t	mm
Thickness, t'	mm
Spring height, l0	mm
Deflection, s Total deflection, sges	mm %
Temperature	°C

Stacking

Number in parallel, n
Number in series, i

Friction

Include friction
Coefficient of surface friction, WM
Coefficient of edge friction, WR

Data used in calculation

Young's modulus, E	- N/mm²
Poisson's ratio	-
Free height, h0	- mm
δ	-
Loaded stack height, L	- mm
Unloaded stack height, L0	- mm
s sges	- mm

Resulting spring force

	On loading	On unloading
Load, F Load, Fges	- N	- N

View stress calculation and predefined deflections/loads

Stress Calculation

Load, F Total load, Fges	- N
δOM	- N/mm²
δI	- N/mm²
δII	- N/mm²
δIII	- N/mm²
δIV	- N/mm²

Loads at predefined deflections

	On loading	On unloading
Load, F at s =0.25h0 Load, Fges at s=0.25h0	- N	- N
Load, F at s=0.5h0 Load, Fges at s=0.5h0	- N	- N
Load, F at s=0.75h0 Load, Fges at s=0.75h0	- N	- N
Load, F at s=h0 Load, Fges at s=h0	- N	- N

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