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Yeah, given what i calculated already i won't change it without some careful calculations.

Thanks Jim, for this setup, this is likely the reason - it's a single bearing on both sides, so probably can't handle the RPM it would need.

I have a wood cnc machine i'm replacing the ballscrew on for .. reasons :)

It's currently a 32mm ballscrew, with a 32mm lead.
It is currently driven by a belt/pulley setup, with gearing at 44/12....

I actually am willing to believe you think what you say is true, but it makes no sense. The physical damage described could not have occurred outside of a user damaging it and precisely matches the...

Speaking as someone who has bought stuff from Gary - i have had nothing but good experiences.
But I understand his frustration.

He's getting slagged on here by someone who clearly damaged their...