Modelling of chip geometry in orbital drilling

Abstract : The orbital drilling is a complex operation. Due to the tool trajectory, which is helical, chip thickness is highly variable. This is why the cutting forces are very difficult to estimate. The aim of this study is to develop a model to predict cutting forces depending on the tool geometry and cutting conditions in order to control the final quality of the machined hole. At first, the geometry of the chip is modeled taking into account the parameters defining the trajectory and the tool. A cutting force model based on the instantaneous chip thickness is then set up. An experimental part validates the cutting force model through measures of cutting force made during orbital drilling tests.
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  • HAL Id : hal-02054151, version 1

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P. A. Rey, K. Moussaoui, Johanna Senatore, Yann Landon. Modelling of chip geometry in orbital drilling. Joint Conference on Mechanical, Design Engineering & Advanced Manufacturing, Toulouse, France, June 18-20, 2014, 2014, Toulouse, France. pp.502-508. ⟨hal-02054151⟩

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