Analysis of form errors in rings of non-uniform cross section due to workholding and machining loads
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Golden, Christopher Lee
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Abstract
This thesis presents a method for the prediction of final peak-to-valley (PTV) surface profile variation for face turning of rings of non-uniform cross section. An analytical method relates initial part form, part deflection during workholding and machining, and part elastic recovery to final PTV surface profile variation. Finite element method is used to supplement the analytical model, and experiments are conducted to validate both the analytical and finite element approaches. Analytical and finite element results correspond well with experimental observations, with average relative errors of 11.6 and 7.2 percent, respectively.
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2008-03-17
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Thesis