Optimized flexural hinge shapes for microsystems and high precision applications (CROSBI ID 137801)
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Podaci o odgovornosti
Zelenika, Saša ; Munteanu, Mircea Gh. ; De Bona, Francesco
engleski
Optimized flexural hinge shapes for microsystems and high precision applications
Positioning devices based on flexural hinges are often used in microsystems and precision mechanisms. In this work a nonlinear parametric optimization of flexural hinge shapes is performed. Predefined and freeform parametric shapes are compared in terms of compliance, strength, stress concentration factors and parasitic shifts. Transversal and axial compliances and stress concentration factors are also calculated, permitting design guidelines to be established. It is shown that optimized hinge shapes lead to far better performances with respect to conventional circular notches.
Microsystems; High precision; Compliant mechanisms; Flexural hinges; Shape optimization; Parametric FEM model; Design guidelines
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