In this study, different cutting parameters (feed rate, depth of cut) were selected together with chip slenderness ratio (CSR) by using tools with three different tool approach angles as 15 0 , 30 0 and 45 0 in turning AISI 1050 steel. As a result, a regression model was created to determine the effect of feed rate, depth of cut, tool approach angle and CSR on vibration in all three directions (X, Y and Z). Figure A. Schematic figure of the experimental setup and process stepsPurpose: In this study, the effects of different cutting parameters (feed rate, depth of cut) and CSR on vibration were investigated by using 5 different CSR and cutters with three different approach angles in order to examine the vibration caused by CSR in turning machining of AISI 1050 steel.Theory and Methods: In all experimental studies, feed rate, depth of cut were selected together with CSR and used tools with three different tool approach angles as 15 0 , 30 0 and 45 0 . AISI 1050 steel were selected as experimental turning materials. As a result, a regression model was created to determine the effect of feed rate, depth of cut, tool approach angle and CSR on vibration in all three directions. 5 different chip slenderness ratio were created (1, 3, 5, 10 and 15) and the vibrations in the turning were measured in three directions (X, Y, Z). Depending on the vibration, regression models were created for the CSR and cutting parameters. The SPSS program was used for statistical analysis.Results: In the regression models, it was seen that the greatest effect in X,Y and Z directions was the feed rate, depth of cut and tool approach angle, respectively, and a significant model could not be created regarding the chip slenderness ratio. In addition, it was determined that the greatest vibration values occurred in the direction of feed rate. In cases where CSR is 1 and 10, minimum vibration values were measured in all directions and tool approach angles.
Conclusion:The minimum vibration occurs when the CSR is 1 and 10 in all three directions. The most stable vibrations values were obtained when the approach angle was 30 0 at all values of CSR. The greatest vibration values were obtained in the measurements in the direction Y. It has been observed that a more serrated structure is formed in the chips formed when the CSR is 5. In same CSR, it is seen that vibration intensity increases at CSR values with higher depth of cut.
HighlightsCutting parameters Stability Rijidity Feed rate