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it's still topsy turvy and I now struggle to find anything but it's almost finished.
Thanks Bill, and Jo yes the scraping is nice.Most impressive to me was the axial fit of the worm spindle in the holder - there's just a lock nut that clamps the worm to the spindle with no adjustment possible. There is zero axial clearance that I can measure yet it turns smooth as silk - we would never try to design something that required that level of accuracy where I work as the scrap rate would be enormous!Simon.