I am retrofitting an EMCO 120P lathe with new controls. It has a spindle encoder so will do threading/tapping, etc. The 3HP Black Max motor and GS2 vfd combination (with braking resistor) can drive it fwd/rev 0-3500 rpm. It can accelerate from zero to full speed, or decelerate from full speed to stop, in 0.1 - 60 seconds depending on settings (0.1 seconds is quite exciting :-O). I am wondering what recommendations folks have for the accel/decel settings that are reasonable to use. At the lowest settings even small transitions in speed can be felt/heard so I assume having abrupt parameters isn’t really helpful but I don’t have a feel for what is. Thanks, -Tom
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