Lee, Chee Yoong (2010) Optimization Of Machining Parameters In Turning Process Of Aluminum Alloy 6063. Project Report. UTeM, Melaka, Malaysia. (Submitted)
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Abstract
This report presents an optimization of machining parameters in turning process of Aluminum alloy 6063 T6. OKUMA LCS-15 horizontal turning machines have been used to run the experiments on Aluminum alloy 6063 T6. Aluminum is widely used in automotive industry, aerospace applications, architectural applications and others. The main objective of the research was to determine the effect of different parameters setting such as depth of cut, feed rate and cutting speed on surface roughness and hardness. In this research, the RSM (response surface methodology) method with Central Composite Design (CCD) was used to design the experiment and 20 trials were conducted. The machined surface was checked by using portable surface roughness tester and hardness was measured by using Digital Micohardness tester. The quadratic model was selected in the analysis of variance (ANOVA) and the model graph revealed the interaction between the three controllable parameters. The analysis revealed that cutting speed was the significant effect to the surface roughness followed by the feed rate while depth of cut was less effect. The best surface finish can be obtained with the combination of lowest cutting speed and feed rate. Besides, the numerical optimization method was employed in the optimization and the best predicting setting was depth of cut 0.69 mm, feed rate 0.09 mm/rev and cutting speed 153.14 m/min. The average deviation percentage value was 54.84%. In the experiment, the hardness was influenced by the cutting speed and feed rate. The highest of cutting speed and feed rate will cause hardness decreasing.
| Item Type: | Final Year Project (Project Report) |
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| Uncontrolled Keywords: | Machine-tools, Aluminum alloys, Metal-cutting tools |
| Subjects: | T Technology > T Technology (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Library > Final Year Project > FKP |
| Depositing User: | Rohana Hashim |
| Date Deposited: | 19 Mar 2012 03:49 |
| Last Modified: | 28 May 2015 02:18 |
| URI: | http://digitalcollection.utem.edu.my/id/eprint/494 |
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