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Effect of Cutter Diameters on Surface Roughness Attained in High Speed End Milling of Soda Lime Glass

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dc.contributor.author Arif, Muammer Din
dc.contributor.author Zaib, NF Mohd
dc.contributor.author Kamal, MA
dc.contributor.author Omar, AA
dc.contributor.author Amin, AKM
dc.contributor.author Nassar, Mahmoud
dc.date.accessioned 2022-01-18T11:47:05Z
dc.date.accessioned 2022-05-22T08:56:42Z
dc.date.available 2022-01-18T11:47:05Z
dc.date.available 2022-05-22T08:56:42Z
dc.date.issued 2015-07
dc.identifier.uri http://localhost:8080/xmlui/handle/123456789/8466
dc.description.abstract Soda lime glass is used extensively in camera lens, micro gas turbines, light bulbs, tablewares, optics, and chemical apparatus owing to its high hardness, excellent optical properties, and good corrosion and chemical resistance. Such applications of soda lime glass demand high machining and finishing precision. On the other hand, machining of glass poses significant challenges due to its inherent brittleness. The process of removal of material from glass, if not done in ductile mode, can generate subsurface cracks and brittle fractures which have adverse effects on its functionality. This research investigates the high speed micro-end milling of soda lime glass in order to obtain ductile regime machining. It has been found by other researchers that ductile mode machining can avoid sub-surface cracks and brittle fractures. However, in ductile mode machining, the gummy chips settle permanently on the machined surface affecting adversely the surface finish. In order to avoid such chip settlement, compressed air was directed using a special air delivery nozzle to blow away the resultant gummy chips, thereby preventing them from settling on the machined surface. Response surface methodology (RSM) and a commercial NC end mill were used to design and perform the machining runs, respectively. Machining was done using: high spindle speeds from 30,000 to 50,000 rpm, feed rates from 5 to 15 mm/min, and depth of cuts from 3 to 7 μm. Three different diameter carbide tools were used: 0.5, 1, and 2 mm. A surface profilometer was used to analyze the surface roughness of the resultant machined surface. Subsequently, the data was used for finding the best combination of cutting parameters required to obtain the lowest surface roughness. The results demonstrate that high speed machining is a viable option for obtaining ductile regime machining and generating machined surfaces with very low surface roughness in the range of 0.08μm – 0.22 μm, using 0.5 mm carbide end mill cutter en_US
dc.language.iso en en_US
dc.publisher Trans Tech Publications Ltd en_US
dc.subject Carbide Insert en_US
dc.subject Ductile Mode Machining en_US
dc.subject Micro High Speed End Milling en_US
dc.subject Soda Lime Glass en_US
dc.subject Surface Roughness en_US
dc.title Effect of Cutter Diameters on Surface Roughness Attained in High Speed End Milling of Soda Lime Glass en_US
dc.type Article en_US

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