Calculator for a cross spring hinges
Plate spring Length L	10-3 m
Plate spring thickness t	10-3 m
Hinge thickness w	10-3 m
Young's modulus E	109 Pa
Poisson constant v
Ratio λ
Modulus of elasticity for plane strain E	109 Pa
Torsional stiffness kt	10-3 Nm/rad
Note that the maximum value of stresses in the monolithic structure strongly depend on the rounding's in the cross section.
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