Multiple choice

Uncut thickness = 0.5 mm, Cutting speed = 20 m/min, Width of cut = 5 mm, Chip thickness = 0.7 mm Thrust force = 200 N, Cutting force = 1200 N, Rake angle = 15° Assume Merchant's theory.

The values of shear angle and shear strain, respectively, are

  1. 30.3° and 1.98

  2. 30.3° and 4.23

  3. 40.2° and 2.97

  4. 40.2° and 1.65
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Given : t=0.5mm, V=20 m/min, $\alpha$ =$15^0$

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