On Nov 21, 2009, at 9:55 AM, Gene Heskett wrote: >> My first attempt was in olivine sand, and I had about 1/2 inch layer >> of black quartz fused around the casting! > > I'll bet that was NOT fun to remove without damaging the casting too > much. :(
Lets just say I wrote that one off as an experiment. ;) > In graphite I'd think the cooling would be pretty slow, but the > finish should > show the machining marks in the graphite I'd think. With thought & > carefull > design, that mold should be re-usable several times too. You got it! One of the main reasons I have been building a CNC machine is for making patterns and molds... Best, Jeshua Lacock Founder/Programmer 3DTOPO Incorporated <http://3DTOPO.com> Phone: 208.462.4171 ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
