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Gerry... My stepper motor on the 4th axis is a direct drive ...no gear ratio. I think I got the problem resolved. Just got done running a test and appears to turn a full 360 degrees when told to. I...

Thanks for responding Andrew. I initially was thinking along those lines but I thought the mach 3 software automatically figured that out. It seems that as the A axis rotates and the display...

I added a 4th rotary axis to my homemade cnc machine which has been running flawlessly for over a year and seem to have an issue with the stepper motor positioning. I am trying to test it and am...

Thanks Ian

I'll go on the assumption then that my idea will work for my setup. I'll get myself a spare stepper motor and go from there

Charlie

I am thinking of adding a 4th axis on my homemade cnc machine to turn my workpiece radially. My controller only has 3 ports. I'm wondering if I can disconnect either my x or y axis stepper motor from...

Well I kind of got my problem resolved. I did some poking around in Mach 3 and under config/homing limits there is a column for each axis marked reverse. I unchecked the offending axis and then...

Sounds similar to a problem I am having on my CNC build. I am running an engraved sign for testing and it suddenly is carving a mirror image of the design. I have Mach 3 sw and have had issues with...