Text: Question #4: (100 points)
a) What is the benefit of using carbide inserts on cutting tools? (15 points)
b) Under which circumstances will you perform cutting between centers on the lathe? Sketch the shape of a lathe center. (15 points)
c) What is the benefit of using a lathe dog? (15 points)
d) What is the difference between a steady rest and a follow rest? (15 points)
e) What is the history of CNC technology? (30 points)
- Mention the approximate time it was invented and why?
- Mention the difference between a CNC machine and a conventional machine tool.
- Mention the difference between NC and CNC machines.