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たわみ量の計算

Last updated at Posted at 2017-12-19

0. 中央への集中加重

image.png

δ = P・L / 48・E・I

Eはヤング率でN/mm^2の単位。

なので、例えばアルミで考えると
ヤング率:69, 972N/mm^2
長さL: 300mm
掛っている加重: 1000kg * 9.8
断面(厚さ、奥行): 200mm

1000kg * 9.8 * 300^3 / 48 * 69972 * (200mm^4 / 12 )
= 0.06cmたわむ

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