On Sat, 2009-04-11 at 12:32 -0700, Kirk Wallace wrote: ... snip > If the present motor is beyond help and you have no speed control, I > would look into a 90 V DC motor, such as a tread mill motor, and an SCR > speed controller. > > http://shop.ebay.com/items/_W0QQ_nkwZkbicQQ_armrsZ1QQ_fromZR40QQ_mdoZ > > http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260388156730 > > The motor linked above may be too big for your mill. The nice thing > about these DC motors is that they have good low end torque. You can get > these items pretty cheap if you wait for the right deal. > > I would hold off until the machine was running again to play with the > out-runners. I like these motors because it looks like they can be built > from scratch easier than others, and some winding configurations can > give you low end torque. The biggest problem is in getting stator > lamination plates. > ----------------- > Kirk > http://www.wallacecompany.com/machine_shop/
>From this video, your machine is bigger than I thought: http://www.youtube.com/watch?v=4zapTKm9JsE Maybe a motor like this would be better: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=320357287710 Another thing that comes to mind is that the Z upright is probably the weakest link, being tubular and having a very small mating surface to the base. I wonder if the X axis of this could be adapted to be your Z: http://www.use-enco.com/CGI/INSRIT?PMAKA=201-2826&PMPXNO=951820&PARTPG=INLMK3 ------------ Kirk http://www.wallacecompany.com/machine_shop/ ------------------------------------------------------------------------------ This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
