You're going to hate me for this question as it may be outright impossible on its face.
I'm not an electrical engineer.
I apologize.
I'm just trying to make everyone's job easier at my workplace for the smallest price.
The problem/question.
I want to vary the speed on a three phase motor by ~5-10%/second.
(starts 1000 rpm, goes to 900 goes to 1000, to 1100 back to 1000 etc...)
Just any amount 'organic' variation that keeps a harmonic frequency from building.
The application is a manual lathe we use for roughing down material.
The control system is entirely analog with a manual gear box.
Varying speed by as little as 10% on the motor end/transmission end of things might eliminate some of our chatter issues when turning down parts over a certain length/under a certain wall thickness.
Even this small amount of speed/tonal change might keep a harmonic from building up.
The real question...
Does an analog system like this exist or am I just better off Frankenstein-ing this manual lathe into a CNC?
Thanks for reading this!
I'm not an electrical engineer.
I apologize.
I'm just trying to make everyone's job easier at my workplace for the smallest price.
The problem/question.
I want to vary the speed on a three phase motor by ~5-10%/second.
(starts 1000 rpm, goes to 900 goes to 1000, to 1100 back to 1000 etc...)
Just any amount 'organic' variation that keeps a harmonic frequency from building.
The application is a manual lathe we use for roughing down material.
The control system is entirely analog with a manual gear box.
Varying speed by as little as 10% on the motor end/transmission end of things might eliminate some of our chatter issues when turning down parts over a certain length/under a certain wall thickness.
Even this small amount of speed/tonal change might keep a harmonic from building up.
The real question...
Does an analog system like this exist or am I just better off Frankenstein-ing this manual lathe into a CNC?
Thanks for reading this!
