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Fig. 10. Comparison of RMS values of cutting forces (a) x-direction, (by-
direction 6 Conclusion This paper presented an analytical model for prediction of cutting forces for TiAlN coated tool in micro milling by extracting the force coefficients by FEM simulation instead of the experimental data. The proposed model conveyed its adequacy for prediction of cutting forces in both higher and lower feed values with consideration of tool run out and elastic recovery rate in chip thickness model.
In addition, consideration of coating effect during coefficient calculation was proved to be viable as prediction of cutting forces by TiAlN coating model was more closer to the experiment as compared the un-coated tool. Moreover, the improvement in the performance of the model has been observed by reduction in prediction error by considering coated tool as per the real application during experiment instead of uncoated tool.
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