Manufacturing And Production Technology
In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting velocity is 90 m/min. The feed is 0.24 mm/rev and the depth of cut is 2 mm. The chip thickness obtained is 0.48 mm. If the orthogonal rake angle is zero and the principle cutting edge angle is 90⁰, the shear angle in degree is

20.56
30.56
36.56
26.56

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Manufacturing And Production Technology
The lip angle is the angle

Made by the face of the tool and the plane parallel to the base of the cutting tool
Between the tool face and the ground end surface of flank
None of the listed here
Between the face of the tool and a line tangent to the machined surface at the cutting point

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