Thread: Rotary Table CNCing
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06-01-2010 #10
Peter, can you explain further. I was looking at sintered bushes with a view to taking a .375" ID .6" OD bush, opening out to 10mmID and turning it down to 15mm OD. It will have less friction than cast-iron to cast-iron. But as I said above, the torque requirement at the moment seems to be OK with a 1Nm motor so maybe I'll leave that till later if needed. The end-float I can set now with a 1.5thou feeler gauge and the motion feels smooth. The worm is a 2mm pitch approx so, if my calcs are right, this represents an additional 5 or 6 minutes of backlash on top of the 15minutes already present and this can be taken up by the software
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