Servo drive help - CNCzone.com-The Largest Machinist Community on the net!

planeflier · #1 05-23-2011, 06:50 PM

I am having trouble with some servo drive setups.

I am running (2) electrocraft 360 oz servo motors with 250 CPR encoders and Gecko 320 drives.

With the servo powered up I can rock the servo .07" to .09" before the servo powers the other direction. I have tried adjusting the gain and damping on the geckos, I have it to were if I adjust it anymore it runs away. What else can I do are the motors not working correctly or do I need larger count encoders?

I am trying to hook this system up to a rack an pinion and not much backlash at the gearing it seems to be comming from the motor.

Thanks for any suggestions.

Rich

mike_Kilroy · #2 05-23-2011, 07:18 PM

might have encoders counting wrong way? try reversing the 2 motor leads to turn it around and see if that does the job?

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