An orthogonal cutting operation is being conducted with the following parameters: width of cut =1mm; depth of...

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Mechanical Engineering

An orthogonal cutting operation is being conducted with thefollowing parameters: width of cut
=1mm; depth of cut = 0.1mm; shear stress =120 MPa; andcoefficient of friction, μ=0.9.
a) Generate a smooth plot of both cutting (Fc) and thrust (Ft)forces versus the rake
angle (α). The plot should be from 0 to 60°. Equation 8.20 canbe used to define
the relationship between different angles.
b) Using a different lubricant, the coefficient of frictionhas changed to 0.3. Generate
another plot with the new value and comment on theresults.

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