Optimization of Machining Parameters

In machining, coolants improve
machinability, increase productivity by reducing tool
wear and extend tool life. However, due to ecological
and human health problems, manufacturing industries
are now being forced to implement strategies to reduce
the amount of cutting fluids used in their production
lines. A trend that has emerged to solve these problems
is machining without fluid – a method called dry
machining – which has been made possible due to
technological innovations. This paper presents an
experimental investigation of the influence of tool
geometry (no. of flutes) and cutting conditions (cutting
speed, feed rate and depth of cut) on machining
performance in dry milling with solid carbide end mill
cutters based on Taguchi’s experimental design
method. The mathematical model, in terms of
machining parameters, was developed for surface
roughness prediction and the optimization is then
carried out using S/N ratio and validated in this work.
This methodology helps to determine the best possible
tool geometry and cutting conditions for dry milling.

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Thu, 14/04/2011 - 01:23