Orthogonal turning is performed on a cylindrical work piece with shear strength of 250 MPa. The following conditions are used cutting velocity is 180 m/min, feed is 0.20 mm/rev, depth of cut is 3 mm, chip thickness ratio = 0.5. The orthogonal rake angle is 70. Apply merchant's theory for analysis.
The shear plane angle (in degrees) and the shear force respectively are
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