On 3 November 2011 15:59, Jon Elson <[email protected]> wrote: > I spent some time poking around a huge vertical boring mill with a gantry > tool carriage and that is how they did it. It appeared the gantry > towers could > be several inches out of line without causing any binding. They had obvious > limit switches to e-stop the machine if it got farther out of square > than that.
This one appears to be 100% rigid (and things would go very wrong if it got askew) http://www.deansmithandgrace.co.uk/icms_assets/files/Travelling_Gantry_Machine.pdf It is like a hobby machine in design, but a bit bigger. -- atp The idea that there is no such thing as objective truth is, quite simply, wrong. ------------------------------------------------------------------------------ RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
