Optimization of cutting parameters of residual stresses in simultaneous turning technique

The simultaneous turning technique is used to increase the rotary component's fatigue life by increasing the surface compressive residual stresses. Cutting velocity, cutting tool rake angle, nose radius, feed and tool separation distances are the major cutting parameters in simultaneous turning. Computer simulation was performed by finite element analysis software ABAQUS 6.14. It was used to predict the surface residual stresses and optimization of the cutting parameters was carried out using Taguchi method. MINITAB software was employed for this purpose. The study revealed that the optimal combination of cutting parameters are 150 m/min cutting speed, 0.1 mm/rev feed, 4 degrees negative rake angle, 0.1 mm tool nose radius and 0.4 mm tool separation distance. These optimal values yielded a highest circumferential and axial surface residual stresses of -817.59 and -928.04 MPa for the surface turned by first tool whereas for surface machined by other tool it was -875.89 and -1010.44 MPa. (C) 2019 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the 2nd International Conference on Advances in Mechanical Engineering and Nanotechnology.