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14-05-2016 #11
Knowledge gap...
Stepper-servo motors, I know I need the drive plus a BOB plus a motion control - done that before and it works.
AC servo motors, I know I need the drive amp plus ? - what goes between the drive unit and the PC?
Just trying to price up, the price is identical between 8Nm stepper-servo motors and drives OR 750W servo motors and drives - I have no idea how to choose between one or the other, one I know the other I do not.
I am advised that 750W is ideal for the job so thats one decision, also the 8Nm step-servo is ideal it seems.
Anyone want to fill the gap?
I know the servo is rated to 3000rpm and the stepper to maybe 1000rpm?
The stepper torque is way down where it's needed but the servo is where, linear spread?
Looks like a ballscrew kit is going to be around £1300 so thats a fair chunk of cash in one hit, the rest I need to get right first time.
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