Hoping to get feedback on what people have had success with in Mach3 motor tuning with Bridgeport steppers.
I am running with a 72 volt power supply, gecko's 203V at 7amps. Bridgeport Sigma stepper motors 1 to 1 pulley ratio. My mach motor tuning settings are Steps 10,000, Velocity 60, Acceleration 1, Step Pulse 1, Dir Pulse 1. 35,000 kernel speed.
What I'm finding is that when I rapid in any axis at full speed the motors start to sound like their grinding and loosing steps (shop temperature was in the 50's). It's not always been like this. When I first finished the retrofit they sounded good and smooth. That was in the summertime when temps were in the 80's plus. If temperature has anything to do with it I don't know, just giving all the information. (mid-band resonance issues perhaps)
I also set a low feed rate of 2 inch per min and adjusted the gecko 203V to try and smooth them out. Even towards the end of the adjustment range I still get table vibration. I will eventually upgrade to newer steppers but have to settle for the old ones for now.
My question is what are your settings and how smooth are your motors? Thanks
I am running with a 72 volt power supply, gecko's 203V at 7amps. Bridgeport Sigma stepper motors 1 to 1 pulley ratio. My mach motor tuning settings are Steps 10,000, Velocity 60, Acceleration 1, Step Pulse 1, Dir Pulse 1. 35,000 kernel speed.
What I'm finding is that when I rapid in any axis at full speed the motors start to sound like their grinding and loosing steps (shop temperature was in the 50's). It's not always been like this. When I first finished the retrofit they sounded good and smooth. That was in the summertime when temps were in the 80's plus. If temperature has anything to do with it I don't know, just giving all the information. (mid-band resonance issues perhaps)
I also set a low feed rate of 2 inch per min and adjusted the gecko 203V to try and smooth them out. Even towards the end of the adjustment range I still get table vibration. I will eventually upgrade to newer steppers but have to settle for the old ones for now.
My question is what are your settings and how smooth are your motors? Thanks