Question

Feed drives in CNC milling machines are provided by:
(1) Synchronous motors
(2) Induction motors
(3) Stepper motors
(4) Servo motors

Answer 1

The CNC routers speed, accuracy, and precision all rely on the size and type of the motor. The two primary motor classes that are used with CNC machines are stepper motors and servo motors. Both types of motor have several variances from size to power

So option d is correct

Answer 2

heya.

Option 3 is correct.