On 02/14/2012 05:07 AM, andy pugh wrote: > On 14 February 2012 09:09, Mark Cason<[email protected]> wrote: >> Can anybody recommend what type and shape of insert to use to turn a >> 2" piece of pre-hardened 4140? > > How hard is it? > I have found that harder steels give a better finish anyway, and with > a small cut and a huge surface speed CBN tipped inserts work nicely. > You probably want to use a tailstock for rigidity. > > Look at Youtube for examples of "hard turning" and eBay for individual > inserts.
Thank you Andy, I will look them up. -- -Mark Ne M'oubliez ---Family Motto Hope for the best, plan for the worst ---Personal Motto ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
