An orthogonal cutting operation is being carried out under the following conditions: width of rake and Calculate the percentage of the total energy that is dissipated in the shear plane.
Assume that, in orthogonal cutting, the rake angle, is 20° and the friction angle, is 35° at the chip–tool interface. Determine the percentage change in chip thickness when the friction angle is 50°. (Note: do not use Eq. (21.3) or Eq. (21.4)).
Using Eq. (21.24), select an appropriate feed for R = 1 mm and a desired roughness of How would 1 mm. n = 0.5 y = 0.6. Ft, you adjust this feed to allow for nose wear of the tool during extended cuts? Explain your reasoning.
