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Polytechnic State University Sanluis Jan-2006 - Nov-2010
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Polytechnic State University Jan-2012 - Nov-2016
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Tool life tests on a lathe have resulted in the following data
Tool life tests on a lathe have resulted in the following data: (1) at a cutting speed of 375 ft/ min, the tool life was 5.5 min; (2) at a cutting speed of 275 ft/min, the tool life was 53 min. (a) Determine the parameters n and C in the Taylor tool life equation. (b) Based on the n and C values, what is the likely tool material used in this operation? (c) Using your equation, compute the tool life that corresponds to a cutting speed of 300 ft/min. (d) Compute the cutting speed that corresponds to a tool life T = 10 min.