Disc Springs: Nomenclature

Symbol	Unit	Description
De	mm	Outside Diameter
Di	mm	Inside Diameter
t	mm	Thickness
ho	mm	Cone Height
lo	mm	Overall Height
s	mm	Deflection
F	N	Spring Force (at deflection s)
Fc	N	Spring Force (at s = ho)
E	n/mm	Modulus of Elasticity
m	-	Poisson's Ratio
i	-	No. of alternating discs (or clusters) in stacked column
n	-	No. of discs arranged in parallel ("nested")
t'	mm	Reduced Thickness - With bearing flats
h'o	mm	Increased cone height - With bearing flats

Disc Springs Index

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