The following are definitions for the elements:This calculator calculates the Dynamic Strain of a tapered cantilevered flexing finger typically used in plastic snap fit type designs.

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Y =[ 2 ε L² ] / [ 3 h_o]

Where:

ε = Dynamic Strain (in/in, mm/mm)
Y = Maximum deflection (in, mm)
h_o = Thickness at base of finger (in, mm)
L = Length of finger (in, mm)

Check calculated strain against material mechanical specifications.

K = h_L / h_o CHART

Proportioned Constant K

Open: Snap Fit Tapered Arm Design Equation and Calculator

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