Minhat, Mohamad (2011) An Assessment on Graphite Milling Characteristics. In: International Conference and Exhibition on Sustainable Energy andAdvanced Materials (ICE SEAM 2011), October 3-4, 2011, Solo-Indonesia.
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PDF (An Assessment on Graphite Milling Characteristics)
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Abstract
Milling is the process of machining flat, curved, or irregular surfaces by feeding a work piece past a rotating multiple tooth cutter. End milling process is one of the most fundamental metal removal operation applied in manufacturing industry. Machining of graphite on milling machine was the focus in this study. Graphite, which has been widely applied in many industrial fields, was selected to be used in this study. Due to the different characteristics of materials, cutting parameters used in machining graphite were different to those used in metal machining. This study would determine the importance of the cutting parameters at the end of the study. For this experiment study, a two level full factorial design was used to analyze the influence of each combination of parameters on surface roughness. The value of surface roughness, Ra, was evaluated by measuring milled surface‟s left wall, right wall, and bottom side. The variables in this study included cutting speed, depth of cut, and feedrate. The graphs plotted by Minitab v15 were used to analyze comprehensively in order to find the optimum parameters combination in producing a good surface roughness. Validation of model was performed by comparing the actual Ra and predicted Ra. It could then estimate how accurately of this regression equation will perform in practice. The error bands for bottom, left wall, and right wall was within 13.58%, 5.44%, and 3.97%, respectively. Hence, the regression equation was accurate and constantly fulfills the requirement in this experiment.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Graphite, Milling, Full Factorial Design, Surface Roughness |
| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures |
| Divisions: | Faculty of Manufacturing Engineering > Department of Manufacturing Process |
| Depositing User: | Dr. Mohamad Minhat |
| Date Deposited: | 25 Jun 2013 01:23 |
| Last Modified: | 28 May 2015 03:43 |
| URI: | http://eprints.utem.edu.my/id/eprint/6605 |
| Statistic Details: | View Download Statistic |
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