ok, it's actually even on topic - for those who are new, or have lost my web address, I make up welded faceplates that fit many lathes from the OneWay and Jet through some obscure Oliver lathes- see my web site below. If you want to weld your own, you can get the nuts from me - or even advise -
and there is a selection of vacuum pumps and related stuff there too. right now all the vacuum pumps I have are 3 phase, but it's pretty easy to make a converter to run them (or I can make it for you).