Experimental, Finite Element and Statistical Analysis of Temperature Generated in AISI 304 Stainless Steel during Drilling Operation | ||
| Kerbala Journal for Engineering Sciences | ||
| Article 1, Volume 2, Issue 2, June 2022, Pages 73-95 PDF (938.58 K) | ||
| Document Type: Research Article | ||
| Authors | ||
| Amjed Majid* 1; Abdulkareem Flaih Hassan2; Qais Abdulhassan Abdulhassan Rishack2 | ||
| 1Department of Mechanics, College of Engineering, University of Basrah, Basrah, Iraq | ||
| 2Department of Mechanics, College of Engineering, University of Basrah, Basrah, Iraq. | ||
| Abstract | ||
| The drilling operation was found in the early time of modern technology due to the importance of this operation in manufacturing. The drilling operation was developed to meet the requirements of modern industry. The study of factors that influence the drilling operation is very important to develop and enhance the performance of drilling tools and machining. The objective of this study is to prove the closeness between experimental and FE works to measure the temperature in a specified point on the workpiece. This closeness will be evidence of the reliability of FE temperatures to extract the linear and nonlinear expressions in the SPSS program. For experimental work, a 10mm diameter drill bit of 118ᴼ point angle was used to make three drilling operations by using a radial drilling machine. Three cutting speeds of (100-200-300) rpm, with fixed feed rate and drilling depth as 0.15mm/rev, and 3mm, respectively. The experimental operations are included in the FE study for validation. For numerical study, 3D simulations based on the FE method by using Deform-3D Ver.11 commercial software were executed to explain the influence of drilling parameters as well as drill bit point angle on the temperature generated in the workpiece material in dry drilling of AISI 304 stainless steel. Two drill bits of HSS have been used in this study with 10mm diameter and these tools are different in point angle of 110° and 118°, respectively. The drill bits are imported from a specific website in the format of STL. The workpiece modeling shape is cylindrical with a diameter of 50mm and 5mm thickness. The cutting parameters include three cutting speeds as (100, 200, and 300) rpm, and three feed rates as (0.15, 0.25, and 0.35) mm/rev, and the depth of drilling is constant for all operations as 3mm. The results provided a good closeness between experimental and their FE operations and the decision was to assume the FE temperatures reliable, and qualified to be used in SPSS work. The results showed that the temperature generated in the machined models increased with speed for both tools and the temperature generated by the tool of 118° point angle is higher than the temperature generated by the tool of 110° point angle. The influence of feed rate was also investigated. There was a good closeness between FE temperatures and nonlinear regression ones which indicated to consider the temperature variation as nonlinear in this study. | ||
| Keywords | ||
| Machining; Drilling; FEM; DEFORM-3D; simulation; High-Speed Steel; Stainless Steel AISI 304; Statistical Analysis; SPSS | ||
| References | ||
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