Plastic Snap Fit Tapered Arm Dynamic Strain Equation Calculator

Plastics Design and Engineering Resources

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Open: Snap Fit Tapered Arm Design Calculator

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.

strain against material

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The following are definitions for the elements:

Y =[ 2 ε L2 ] / [ 3 ho]

Where:

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

Check calculated strain against material mechanical specifications.

K = hL / ho CHART K = hL / ho CHART

Proportioned Constant K
Proportioned Constant K

Open: Snap Fit Tapered Arm Design Equation and Calculator

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