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rb99
06-08-2009, 11:49 PM
I have some older, but not overly used 7.2 Vexta steppers that I am using on my PR.

I noticed I can move the shaft back and forth slightly when they powered up or off. This is not the gear moving on the shaft but the shaft itself wiggling slightly.

Does the SB control software take backlash into account and can I set a value for it?

How much of this is acceptable? Is there a way to tighten it up if I take the gearbox appart?

IS that why people went for the belt drive gearboxes?

Thanks,

RB