Peter, the people on the Mechmate forum are using HAL's a lot, the advantage would be that if you use a HAL sensor you can detect when the gantry is lifted from your rails during operation (yes this happens on a MM) and thus you can shutdown automatically your machine when you see this happening.
I don't think that repeatability is a huge issue anyways for a home switch, at least not for the configurations I have seen. Ries On Jun 13, 2011, at 3:59 PM, Peter Loron wrote: > Sorry, should have qualified myself further...this would be used on a router > mill that will only be doing wood, plastic, and a bit aluminum work. No steel. > > -Pete > > On Jun 13, 2011, at 1:53 PM, andy pugh wrote: > >> On 13 June 2011 21:47, Peter Loron <[email protected]> wrote: >>> Hello, folks. Can anybody comment on using hall effect switches on a 3 axis >>> mill for limit / home switches? Seems like they would have some possible >>> advantages over physical contact switches. >> >> I think that you would have problems with inconsistent triggering >> positions, especially when bits of swarf get stuck to the magnets. >> >> -- >> atp >> "Torque wrenches are for the obedience of fools and the guidance of wise men" >> >> ------------------------------------------------------------------------------ >> EditLive Enterprise is the world's most technically advanced content >> authoring tool. Experience the power of Track Changes, Inline Image >> Editing and ensure content is compliant with Accessibility Checking. >> http://p.sf.net/sfu/ephox-dev2dev >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > EditLive Enterprise is the world's most technically advanced content > authoring tool. Experience the power of Track Changes, Inline Image > Editing and ensure content is compliant with Accessibility Checking. > http://p.sf.net/sfu/ephox-dev2dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
