Demaich Industries, Inc. - Design Equations for Cantilevers, Discs, Simple Beams, and U-Shapes

Technical Info

Engineering Notes | Design Equations | Flexivity Values | Glossary

Symbols Key
t = Thickness
w = Width in Inches
L = Active Length
D = Deflection
TP = Thermal Force – Ounces
MP = Mechanical Force – Ounces
F = Flexivity Valve (Flexivity Values)
Average the Flexivity values over your temperature design range
E = Modulus of Elasticity (Flexivity Values)
T = Change in Temperature

Note: For maximum effectiveness and minimum volume of thermostat metal, use one half of the temperature change for deflection and the other half of the temperature change for the thermal force.

Cantilever

Disc

Simple Beam

U-Shape

Phone: 800-523-8997 or 401-944-3990 | Fax: 401-944-8560
Mail: 70 Mill Street, Johnston, RI 02919-6251

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