Towards improved design of boring bars part 1: Dynamic cutting force model with continuous system analysis for the boring bar performance |
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Authors: | PN Rao URK Rao JS Rao |
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Abstract: | The vibrational amplitude is generally large in the case of a boring bar due to its slenderness. A dynamic cutting force model has been presented to take this large amplitude into account. The boring bar is then modelled as a cantilever with this dynamic force acting at the free end and a generalized continuous system model is obtained. This model is solved for the specific case of boring with a zero side cutting edge angle for which published results are available. A reasonably close agreement is found between the proposed model and the experimental results. |
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