If the length of a side is S then the radius of the circumscribed circle is S*sqrt(3)/3 = 25.3mm if I can divide. So probably 1-inch radius.
> -----Original Message----- > From: Gene Heskett [mailto:ghesk...@shentel.net] > Sent: Wednesday, February 22, 2017 9:28 PM > To: Enhanced Machine Controller (EMC) > Subject: [Emc-users] Math Q > > Greetings all; > > Thee MPJA dials have 3 mounting bolts at 120 degree intervals. > > Measuring across the nut flats on the outside of the flats, and adding that > same flat to flat inside distance, * .5 gets me a center to center bolthole to > bolthole distance of 43.835mm. That sort of trig escapes my aging wet ram, > so how big (radius in mm's) is this bolt circle? > > It looks like a circle cutout of 42.7mm OD will clear the rear mechanics and > will allow the base of these dials to sit flush on the face of the 1/2" thick > apron sheet with nothing but the wiring (5 wires) to them "above grade" on > the rear. The mounting bolts however are way too short for a 1/2" panel and > will need counterbored from the rear to sink the nuts at least 6.8mm's so they > sit about flush or a hair below the end of the mounting stud. > > Done right, it ought to look like I know what I'm doing to any visiting frogs. > > Gee, ya think? ;-) > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > ---------------------------------------------------------------------------- -- > 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 > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
