Aim of the article is evaluation of surface quality parameters Rz and Ra after turning of aluminum alloy. Turning is one of the wide spread manufacturing technologies used in industrial production. Experiment was focused on researching of influence of various cutting conditions on machined surface. Main aim of this article is comparison of surface roughness parameters Ra and Rz depending on feed rate and tool nose radius. Investigation and finding of optimal cutting conditions is necessary for economy of manufacturing organization. Despite extensive research carried out in the area of turning, there is always room for new research.Keywords: Rate, Roughness, Surface Quality, Lathe
IntroducitonPresented article is focused on prediction of machined surface quality depend on feed rate and tool nose radius. Experimental samples were prepared on band saw. Turning operation was realized on CNC Lathe Leadwell Twilight series T-5. This type of turning machine is mainly used to production of rotary parts such as shafts, flanges etc. in small and middle series production. Leadwel T-5 is equipped with control system Fanuc 0i -TC with manual guide [10] Impact of changes of feed rate on quality of machined surfaceExperiment was focused on monitoring surface roughness values in dependence on feed rate per revolution. Cutting plates used in tests are for machining of aluminum alloys, with tool nose radius 0.2 and 0.4 mm and different chip formers. All test were performed without lubrication and cooling.[3] [5][6] Experimental cutting conditions Coting conditions for experiment were set as follows:• Cutting sped vc = 300 m.min In the following chart are cutting plate TCMW 11 02 04 marked as 1, TCGX 11 02 04 -AL marked as 2, cutting plate DCGT 11 T3 02 -PM2 marked as 3 and cutting plate DCGT 11 T3 02 -PF2marked as 4 (tab. 3.) (Fig. 1).