PREDICTION OF SHRINKAGE OF CHIPS WITH MICRO CUTTING BY FINITE ELEMENT METHOD
DOI:
https://doi.org/10.20535/2305-9001.2014.71.35877Keywords:
microcutting, simulation, radius of rounding, scale factorAbstract
In this article, the authors proposed modeling of micro cutting process with finite element method. Micro cutting is characteristic of large ratio by slice thickness to cutting edge rounding, which leads to large plastic deformations in the cutting zone. The main problem in the simulation of micro-cutting associated with the impossibility of account of the scale factor when using the finite element method. The authors found that the size of the finite element and update time of finite element mesh considerably affect the accuracy of prediction. The studies have allowed to establish some requirements for finite element model. The recommendations can improve the accuracy prediction of shrinkage of chips with micro cutting and allow for the effect of the scale factor for the weekend indicators of micro cutting processReferences
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