Abstract
This paper investigates the existing stiffness equations for corner-filleted flexure hinges. Three empirical stiffness equations for corner-filleted flexure hinges (each filletadius, r, equals to 0.1 l; l, the length of a corner-filleted flexure hinge) are formulated based on finite element analysis results for the purpose of overcoming these investigated limitations. Three comparisons made with the existing compliance/stiffness equations and finite element analysis (FEA) results indicate that the proposed empirical stiffness equations enlarge the range of rate of thickness (t, the minimum thickness of a corner-filleted flexure hinge) to length (l), t/l (0.02 t/l 1) and ensure the accuracy for each empirical stiffness equation under large deformation. The errors are within 6% when compared to FEA results.
| Original language | English |
|---|---|
| Pages (from-to) | 345-356 |
| Number of pages | 12 |
| Journal | Mechanical Sciences |
| Volume | 4 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1 Dec 2013 |
| Externally published | Yes |
ASJC Scopus subject areas
- Control and Systems Engineering
- Civil and Structural Engineering
- Mechanics of Materials
- Mechanical Engineering
- Fluid Flow and Transfer Processes
- Industrial and Manufacturing Engineering
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