INTRODUCTION TO CNC - Practice Mode

1) What is the meanings of open loop and closed loop?
Correct Answer: These both are two types of control systems in CNC machines
2) How the CNC machines are generally grouped?
Correct Answer: 2 axis, 3 axis and Multi axis
3) How the programmed spindle speed may modified in increments?
Correct Answer: Increments of 5%
4) Which axis the spindle moves on vertical machining centres?
Correct Answer: Z axis
5) What do you mean by VMC?
Correct Answer: Vertical Machining Centre