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General Mach Discussion / Newby with a question about Spindle Step/Dir setup
« on: October 18, 2008, 12:31:06 PM »
Hi I have been using Mach 3 for about a year now and love it. I have a Enco square column bench mill I have converted to CNC. I am using some Allen Bradley Ultra 100 servo drives setup in stepper follower mode. I just put a servo in for the spindle motor and set it up for the same step/direction setup. The problem I have is that it ramps up nice but when the spindle stop is set it does not ramp down. It just stops suddenly. I have a geared head so it is really hard on the gears when running at high speeds. Is this a setup problem on my part or am I missing something.