Answer Posted / rakesh

rake is the term used in case of a single point cutting tool
for operation like turning in lathe.
It is the angle between the normal to the machining surface
and the rake face of the tool.
-Higher the angle will decrease the cutting force and
increase the surface finish of the workpiece,
-This angle can be from 0-90 degree ,but generally its
recommended to 15-30 degree rake anle(back rake angle).
-Because increasing the rake angle,removes the material from
the tool that will support the cutting edge of the tool and
help in heat distribution from the tool to the atmoshpere.

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