While following this thread, I found these links:
http://madpenguin.ca/blog/2012/02/16/an-emergency-stop-circuit-with-emc2/ the above has a brocken link to here: http://www.hs-compliance.com/uploaded/documents/THE%20EMERGENCY%20STOP%20-%202012%20ver%202.0.pdf For spindles, Warner makes a magnetic release brake which brakes when power is cut: http://www.altraliterature.com/pdfs/FB%20Series-Permanent%20Magnet%20Brakes.pdf These fail to a safe condition. eBay can be a good source. A little less fail-safe is braking an AC motor with a DC current: http://www.homemetalshopclub.org/news/sep01/sep01.html http://www.electrical4u.com/induction-motor-braking/ There should be a version for router motors. -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/ ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
