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The main purpose of this project
is to investigate the performance of palm kernel oil
application as a cutting fluid in (turning) machining
operation. The developed cutting fluid from local materials
will be compared with the soluble oil and this comparison
will be made on the basis of surface finish of the work
piece after machining using both cutting fluid. Mild steel
materials will be used as work piece. Two work piece of
equal materials (mild steel) with equal dimension will be
turn on the conventional lathe using palm kernel oil
prepared into cutting fluid as coolant in the turning of one
of the work piece, and the soluble oil as the coolant use in
turning the other work piece. The cutting parameters used
were cutting speed 335rpm, feed rate 0.5mm/rev, and depth of
cut is 0.5mm. All parameter tester tests are kept constant
throughout the turning operations. Graphical representation
of surface roughness value will be taken for each work piece
which will show the surface roughness against cutting speed
for palm kernel oil (PKO) cutting fluid, cutting surface
roughness against cutting speed for soluble oil. The
variation of the surface roundness of the work piece (mild
steel) at different cutting speed palm kernel oil (PKO)
coolant, also differentiating cutting speed for soluble oil
coolant. Palm kernel oil performed very well the specific
function of soluble oil as cutting fluid which include good
chip formation, reduction of heat generation and realization
of the a good surface finish. The surface roughness value of
the work piece will increase with decrease in speed and
vice-versa
Keywords: Palm Karnel Oil (PKO), Coolant, Mild steel,
Soluble oil, Machining
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