Most of the metal lathes have a 10 or 20 tpi on the cross-slide. For the legacy, I would probably use a thread that is a multiplyer of the width of common sized bits that you are using. All the legacy machines I have ever seen only use 5/8-4 tpi. Anything else and it's been modified by some one.
Tim On Mar 19, 2018, 1:09 AM, at 1:09 AM, Richard Ellis <rchrd.ell...@gmail.com> wrote: >Hi Tim >The Woodchuck did not have the 4TPI I think it was around 16 TPI and a >normal screw thread-----nothing special. >I would like a finer adjustment than the 4TPI. I will have a study of >metal >work lathes. I have a Smart & Brown in my metal >workshop.------------very >very accurate. >I have had lots of different metal lathes the best of the lot was a VDF > >German made lathe, Had to leave it behind when I moved >house---------------too big and too heavy. >I am self taught and just play about with machines !!!!??? >Richard > >On Sunday, March 18, 2018 at 6:42:22 PM UTC, Tim wrote: >> >> 5/8" 4tpi just like your woodchuck had. >> On Mar 18, 2018, at 2:59 AM, Richard Ellis <rchrd....@gmail.com >> <javascript:>> wrote: >>> >>> Further to my question Re: Y leadscrew for the Revo >>> Roger have you any idea what thread Andy etc. used for the Revo Y >axis. >>> I was just going to use a normal piece of theaded rod like that on >my >>> Woodchuck----------- a bit primitive but it worked even if a little >sloppy. >>> Back lash is the name of the game when using LOM's------ a built in >>> problem. !!! >>> Richard >>> >>> > >-- >You received this message because you are subscribed to the Google >Groups "Legacy Ornamental Mills" group. >To unsubscribe from this group and stop receiving emails from it, send >an email to legacy-ornamental-mills+unsubscr...@googlegroups.com. >To post to this group, send email to >legacy-ornamental-mills@googlegroups.com. >Visit this group at >https://groups.google.com/group/legacy-ornamental-mills. >For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Legacy Ornamental Mills" group. To unsubscribe from this group and stop receiving emails from it, send an email to legacy-ornamental-mills+unsubscr...@googlegroups.com. To post to this group, send email to legacy-ornamental-mills@googlegroups.com. Visit this group at https://groups.google.com/group/legacy-ornamental-mills. For more options, visit https://groups.google.com/d/optout.
