Weird rotary axis movement

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03 Jul 2025 22:46 #331204 by Methier
Weird rotary axis movement was created by Methier
Hello, we have a machine with a rotary axis, in some corners the cutter does not reach the corner completely and makes a rapid movement on the rotary axis. I tried to reduce the error with G64 but lowering the P value makes it worse.

Machine is running analog servos, old yellow cap fanuc.

The error is consistent int the same place.
Attached a pic.

Thanks
 
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