Effect of material inhomogeneity on chatter stability
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Date
2022
Publication Type
Journal Article
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yes
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Abstract
Chatter vibrations in milling are a widely researched topic in manufacturing science. The models used to predict and mitigate chatter use assumptions for the model inputs. Assuming the workpiece material is homogenous, is such an assumption. In this study, the effect of workpiece material variation on chatter stability is studied. Upon the obseivation of varying stability limits during milling operations of aluminium blocks, it is shown that the workpiece material inhomogeneity affects the chatter stability. To support this hypothesis, the surface hardness of the workpieces is measured using the Leeb rebound hardness test method. lt is shown that the location-dependent chatter stability limits, calculated using the local cutting coefficients, capture the position-dependent stability nature of the experimental data.
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published
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15 (4)
Pages / Article No.
264 - 285
Publisher
Inderscience Publishers
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03641 - Wegener, Konrad (emeritus) / Wegener, Konrad (emeritus)