engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Production Engineering (Manufacturing) Machining Processes and Machine Tools Different Machining Processes
The machining time for the drilling process is calculated by:
(Where L = Length of axial travel in mm; N = rpm of the drill; f = feed per rev in mm)
1
\(\rm T=\frac{L^2}{(N\times f)}\)
2
\(\rm T=\frac{L}{(N\times f)}\)
3
\(\rm T=\frac{f}{(N\times L)}\)
4
\(\rm T=\frac{(N \times f)}{L}\)