Hi Marcus, > From: Marcus Bowman [mailto:marcus.bow...@visible.eclipse.co.uk] > On 4 Nov 2021, at 21:46, andy pugh wrote: > > > > Or possibly: > > https://photos.app.goo.gl/72BgoRiKeGmQqDHs9 > > I removed the ACME screws when I converted my mill. I replaced them with > ballscrews. The nuts are platform-style, rather than > cylindrical. > https://tech.thk.com/en/products/pdfs/en_a15_228.pdf > I turned a bit of square bar to produce a spigot rather like the top of the > nut in that second photo, but with the top plate and spigot > bolted to the complete ball nut. I had to mill a groove on the underside of > the X table to clear the top of the nut --- and I would > caution you not to do that, as the casting will probably change shape and bow > the table. I had to have mine reground. The other > axes had enough clearance, and the general method works fine. > > Marcus
Yeah I've heard about those kinds of issues with warped castings. Thanks for the feedback. John _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users