@uncle_bob:
You can make one like this, turn the OD down, machine a tapered coupler, add a coiled spring, etc:
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Doesn't appear to be an anti backlash nut for the Dia .75" lead screw.
Anti-Backlash Nut, 7/16 X 1.000 Right Hand Torqspline
[www.roton.com]
Posted earlier here:
[forums.reprap.org]
You can make one like this, turn the OD down, machine a tapered coupler, add a coiled spring, etc:
Doesn't appear to be an anti backlash nut for the Dia .75" lead screw.
Anti-Backlash Nut, 7/16 X 1.000 Right Hand Torqspline
[www.roton.com]
Posted earlier here:
[forums.reprap.org]