Circular Notch Flexure Hinge Stiffness Calculator
Precision compliant mechanisms & nanopositioning: Calculate rotational compliance ($C_{\theta z}$), angular spring constant ($k_{\theta z}$), axial stiffness ($k_x$), stress concentration factor ($K_t$), and elastic angular travel limits ($\theta_{max}$).
Flexure Geometry & Dimensions
Thinnest section between cutouts
Milling / wire-EDM radius
Extrusion depth into page
Stiffness & Deflection Performance
Angular Stiffness k_θz:
--
N·m / rad
Rotational Angle θ_z:
--
mrad (milliradians)
Peak Bending Stress:
--
MPa (von Mises)
Stress Conc. K_t:
--
geometric factor
Elastic Limit θ_max:
--
mrad (at yield)
Compliance Matrix & Constraints
Rotational Compliance C_θz:
-- rad/(N·m)
Axial Stiffness k_x:
-- N/μm
Geometric Ratio r / t:
--
Fatigue Yield Safety Factor:
--
Recommended Tools & Equipment
Tested hardware and components for high reliability
100% Free Tool
Zero Sign-Up