<![CDATA[Turning operations are the process of forming a workpiece using a lathe. A lathe is a tool for forming workpieces with a rotating main motion. Thus, the working principle of a lathe is a cutting motion carried out by a rotating workpiece (moving rotationally) with a feeding motion by a tool that moves translationally and is delivered to the workpiece. The analysis carried out on multilevel turning for brass alloy specimens in this thesis is the machining time and cutting speed used on the workpiece. The work objective of this multilevel turning is to determine the characteristics of the specimen used, namely brass alloy, and including the spindle speed used during the turning process with a length of 300 mm, diameter of 50 mm, depth of cut of 0.5 mm and feed length of 40 mm. This turning has variations in spindle speed, namely: 530rpm, 355rpm, 235rpm, 170rpm and 120rpm.]]>
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