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

26.56
30.56
36.56
20.56

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Manufacturing And Production Technology
The saw milling is an operation of

Machining several surfaces of a workpiece simultaneously
Reproduction of an outline of a template on a workpiece
Producing narrow slots or grooves on a workpiece
Producing grooves around the periphery of a cylindrical or conical workpiece

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