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Derive an expression for optimum cutting speed and tool life for both minimum production cost and maximum production rate during machining process.
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written 5.4 years ago by
teamques10
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Calculation of different Cost elements:
Let ; D= Diameter of job in mm
L= length of the job in mm
f=feed in mm/rev
N= rotational speed.=$\frac{1000 V}{π ×D}$
$t_m$ =machining speed of work piece. =$\frac{L}{f ×N}$
$t_h$= handling or loading time.
$K_1$= Operating cost.
$t_c$= tool changing time for one …
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