engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools
The cutting speed is equal to (Where D = Diameter of job in mm, N = Spindle or job speed in rpm)
1
\(\frac{{\pi DN}}{{1000}}\)
2
\(\frac{{2\pi DN}}{{1000}}\)
3
\(\frac{{\pi DN}}{{75}}\)
4
\(\frac{{\pi DN}}{{4500}}\)