On 20 November 2015 at 12:58, Les Newell <les.new...@fastmail.co.uk> wrote:
> A mechanical switch is probably best in this application. Swarf is > unlikely to provide the solid push needed to operate a switch The danger there seems to be that the chuck jaws might simply shorten the plunger by a small amount each time, without tripping it. Possibly the simplest solution is a wire glued to the parts that need to be protected, if the wire is broken, activate feed-hold. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users