Evaluating an FE model predicted chip morphology requires characterisation of chip shape, chip curl and chip flow angles.
The study shows that the employed methodology can be modeping to characterize varying chip curl geometries in nose turning process. To evaluate the methodology, AISI steel is machined over a range of machining parameters and the chips obtained are characterized. In this study, the needs for engineering model development of different stages of cutting tool de evaluation is assessed.
This calls for the de of a simulation-based approach in the de of cutting tool geometry so that the engineering data can be generated for different machining applications e. With the development of simulation capability across fzces scales from micro to macro,cutting tool geometry development includes engineering data development for its efficient utilization.
To this end, some of the ly developed engineering models have been evaluated for evaluation of chip form morphology in industrially relevant nose turning process, work piece material behavior modeling and damage modeling for the prediction of chip shape morphology. The study also shows that the developed characterization methodology could be used to evaluate physics based numerical models.
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Chip formation process in nose turning of AISI steel is simulated using a 3D FE model for varying feed rate and depth of cut and evaluated against experimental investigations using the employed methodology. This can enable the finite element model to be deployed in cutting tool de for chip breaker geometry de. The study shows the frederick escorts for the developed models to act as building blocks of a digital twin.
Evaluating such models through chip studies require characterizing complex geometric features like chip shape, and chip curl. CT technique is additionally employed when the chips are ificantly deformed.
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The methodology is sxndviken to characterize chip curl parameters such as chipside flow angle, chip up curl and chip side curl in oblique nose turning process. It also shows the need for engineering model development for different aspects of cutting tool de, its advantages, limitations, and prospects. In this study, a characterization methodology is developed employing tools like computed tomography CT and high speed anela escort seattle.