On 16 November 2017 at 16:58, Gene Heskett <[email protected]> wrote:
> Best I've been able > to do is draw the bolt down, and injecting air at 100 psi or so into the > seat to unlock it enough that a 225 oz motor can turn it. That of course > drives the grease out of the central bearing too. Gotta be a better way. Airtight cap over the bearing in question? For an A or B axis there are some very nice harmonic drives with built-in servo but they are not flat enough or a C axis: http://bodgesoc.blogspot.de/2017/05/harmonic.html Nor are they even slightly inexpensive. https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR2.TRC0.A0.H0.XFHA-25.TRS0&_nkw=FHA-25&_sacat=0 -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
