Optimization parameters of plasma arc cutting for 1100 aluminum alloy by using Taguchi method
Manufacturing companies define the qualities of thermal removing process based on the dimension and physical appearance of the cutting material surface. The surface roughness of the cutting area for the material and the material removal rate being removed during the manual plasma arc cutting proces...
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| Format: | Thesis |
| Language: | English |
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| Online Access: | http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/61541/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/61541/2/Full%20text.pdf |
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| Summary: | Manufacturing companies define the qualities of thermal removing process based on the dimension and physical appearance of the cutting material surface. The surface roughness of
the cutting area for the material and the material removal rate being removed during the manual plasma arc cutting process were importantly considered. Plasma arc cutter machine model PS-100 was used to cut aluminum alloy 1100 manually based on the selected parameters setting.
Two different thicknesses of specimens with 3 mm and 6 mm were used. The material removal
rate (MRR) was measured by determining the weight of the specimens before and after the
cutting process. The surface roughness (Ra) measured by MITUTOYO CS-3100 device.
Taguchi method was utilized as an experimental layout to obtain MRR and Ra values. With
lager the better condition of Signal to Noise Ratio (S/N) ratio, the percentage contribution of
Material Removal Rate at 3 mm maximum 69.55% and minimum 4.08% value. While,
contribution of Material Removal Rate at 6 mm is maximum 80.2 % for obtaining and minimum
11.8%. However, with smaller the better condition of S/N ratio, the percentage contribution of
surface roughness for 3 mm is maximum 23.4%, and minimum 11.0%, while, the percentage
contribution of surface roughness for 6 mm is maximum 56.6%, and minimum 7.6%. The
results indicate that the current and cutting speed is the most significant parameters, followed
by the arc gap for both rate of material removal and surface roughness. |
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