Turn/bore a sleeve. Very concentric. Cut a slot on the OD using endmill or wodruff keyway cutter. Use broach or shaper to cut internal keyway (and not directly under the outer keyway;))
Note: if soft steel you can shape/broach both w/ a lathe carriage. But its very slow going unless you have a beefy lathe. Stephen On Thu, Jan 3, 2013 at 6:45 AM, andy pugh <[email protected]> wrote: > I have a 1.25" bore gear hob, and a 1" bore horizontal milling arbor > for my milling machine. > > I am trying to figure out how to make an adaptor. The ideal thing > would have an internal keyway and an external key, but I can't > off-hand think of a way to make that with sufficient guarantee of > concentricity. > > The "Plan B" is a machined sleeve with holes for pegs which can engage > both keyways. > > Not having ever used a horizontal milling arbor, should there be a > full-length key? Mine appears to only have one very short key. > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > > ------------------------------------------------------------------------------ > Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, > MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current > with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft > MVPs and experts. ON SALE this month only -- learn more at: > http://p.sf.net/sfu/learnmore_122712 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. ON SALE this month only -- learn more at: http://p.sf.net/sfu/learnmore_122712 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
