On Mon, 14 Nov 2011 11:38:49 -0800 Kirk Wallace <kwall...@wallacecompany.com> wrote:
> On Mon, 2011-11-14 at 20:37 +0200, Viesturs Lācis wrote: > > 2011/11/14 BRIAN GLACKIN <glackin.br...@gmail.com>: > > > THere is also an extensive set on threads on CNCzone for building > > > a Epoxy granite mill. > > > > It took me 3 months last winter to read first ~160 pages of that > > thread. I find it very very interesting and I am sure that I will > > do some practical experiments some day. > > My impression from that thread combined with that small amount I > > read about these concrete lathes is that epoxy-granite has more > > advantages than concrete. BTW this also is discussed in that thread. > > I really recommend anyone who is interested in this to take a look > > at it, but be warned - it will take a long time to read it, because > > last time I was there, it had almost 4000 posts. And most of them - > > more than few sentences. > > > > Viesturs > > Just a side note. What I got from the concrete lathe idea is that, > with the most basic materials on hand, a useful machine could be made > and possibly make a better life for those in need. An epoxy concrete > material may be out of reach for a third world environment. > > I'd like to see if any of this has really been applied in real life. I > can see how the Berkley stove could be easily implemented, > http://darfurstoves.org/ > > except the sheet steel would need to come from outside. It seems one > small issue or material could stop the whole project. A real challenge > would be, how to make something useful from plain old dirt. > IIUC - epoxy concrete has very good dampening characteristics. I suspect one could cast the main structure in concrete with rebar then embed the critical components in epoxy concrete. Dave ------------------------------------------------------------------------------ RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users