Wow, ball screws!
When we got it apart, we discovered that the machine is equipped with ballscrews! They appear to be factory installed. Between the Turcite and the ballscrews, the table moves in an almost silky-smooth manner. I'm very pleased, to say the least.
Canon EOS DIGITAL REBEL XTi, f/3.5 @ 10 mm, 1/15, ISO 200, No Flash
© Alan Lapp and Zina Deretsky