On Wed, Nov 14, 2012 at 11:03 AM, Paulius Briedis <pauli...@gmail.com>wrote:
> I've just built my first MM 1.5 with the old Y bed. Have horrible
> vibrations on Y, very visible. Have read that this is one of the main
> reasons for the second version of Y.
> What are the best recommendations or maybe there's a discussion already
> with them to reduce Y vibrations before upgrading?
try removing one bushing. The wood can in certain weather sometimes go a
tiny little bit like this -->
http://upload.wikimedia.org/wikipedia/commons/f/f2/Regular_skew_quadr...
of course gives the bushings a really bad day. 3 points define a
plane in 3d space, need 4 points for a saddle, so with only 3 bushings
constraining the bed they shouldn't be able to bind.
