Summary
Analysis and more explanations to be updated
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Background Information
The centerlink is used to transmit linear motion from the rack to the tie rods.
Requirements
Safety factor of at least 2.
Loading and Boundary Conditions
The loading condition was Fz = 113.09 N, Fx = -1.58 N.
This was found in this Google Sheet.
Results
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Conclusion & Recommendation
Safety Factor passes with 7.9545
Need to evaluate mesh independence. This page contains the findings for conducting FEA on the centerlink.
NOTE: due to technical issues, only images of the most recent simulation are present.
Loading conditions: (from this Google Sheet)
LOADING CASE:
Fx = -1.58 N
Fz = 113.09 N
| Date | Max Stress and Max Deformation | Notes | Next steps |
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Max stress = 55.3 MPa Max deformation = 0.8305 mm Min Safety factor = 7.95 |
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Version 1: wall thickness = 1/4" Max stress = 55.406 MPa Max deformation = 0.83252 mm Min safety factor = 7.94 Mesh convergence = 0.085959% Version 2: wall thickness = 3/16" Max stress = 83.589 MPa Max deformation = 1.0467 mm Min safety factor = 5.2638 Mesh convergence = 3.6415% Version 3: side wall thickness = 1/8", top/bottom wall thickness = 3/16" Max stress = 70.596 MPa Max deformation = 0.89468 mm Min safety factor = 6.2326 Mesh convergence = 0.015431%
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Version 1: 0.75" square tube, supplied by VR3 Max stress = 293.66 MPa Max deformation = 4.8922 mm Min safety factor = 1.4983 Mesh convergence = 3.9141% Version 2: 1" square tube, supplied by VR3 Max stress = 204.48 MPa Max deformation = 2.6166 mm Min safety factor = 2.1518 Mesh convergence = 1.8331%
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