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12-03-2018 #26
Step per rev isn't a setting you can pick or choose. It's an absolute calculation that is derived from several factors. The pitch of the ballscrew, Microsteps set on drives and any mechanical ratio.
If your unsure mach3 can do this for you. Go to settings tab and just above Reset you'll see Set Steps per button. Click this and select the axis want to set. It will then ask for distance to move. Enter a value, make it small to start with, then measure how far it actually moved and enter the amount. Mach3 will then calc and set the steps per for you.
Do this for each axis using a small value to start then repeat and set over a longer distance. Very important you measure accurately.
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