Optimization of Machining Parameters of AISI 1045 Steel for Better Surface Finish and Tool Life Using TiN Coated Carbide Insert

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Lujain H. Kashkool Lujain.H.Kashkool@uotechnology.edu.iq


Surface roughness of machined parts has significant effect on the final part quality which can affect its tolerance and performance. In this work the effect of turning machining operation on surface roughness of AISI 1045 steel using TiN coated carbide insert was investigated. Two different machining parameters with nine variable samples, including different spindle speeds and feed rates, were selected to study the resultant surface finish of the steel samples. The results showed that the lowest Ra value of 4.14 was obtained by using a feed rate of 50 mm/min with a spindle speed of 355 rpm, while the highest surface roughness value of 7.9 was obtained by using a feed rate of 160 mm/min at a spindle speed of 710 rpm. In general, it could be observed that higher spindle speeds resulted in higher Ra, while lower speeds results in lower Ra. The current study provides a good understanding of the effect of turning operation on surface roughness which can be used as a basis to develop a regression model to generate the optimum cutting parameters for turning operations.


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How to Cite
Kashkool, L. H. . (2022). Optimization of Machining Parameters of AISI 1045 Steel for Better Surface Finish and Tool Life Using TiN Coated Carbide Insert. Tikrit Journal of Engineering Sciences, 29(2), 1–6. https://doi.org/10.25130/tjes.29.2.1 (Original work published July 13, 2011)



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