On Friday 05 June 2020 13:54:44 Martin Dobbins wrote: > ________________________________ > From: Gene Heskett > > On Friday 05 June 2020 10:50:38 Martin Dobbins wrote: > > Quick thought on the teeth with a metal flange. Would it be > > possible to 3d print just the teeth and then have two metal flanges > > that make a hub and "enclose" (sandwich) the teeth? > > > > Martin > > > > ________________________________ > > From: Chris Albertson > > > > > Thats cute. But that would likely need to be made on a resin > > > printer as this one from what I've seen so far, simply cannot do > > > that fine a detail. > > > > My "cut" on this would work because the glue joint is hidden inside, > > Andy's is smart but does place the glued joint on a working surface. > > > > > Someone was right, I did have "mold" checked. Uncheckd and new > > > slice made, no other changes. But perhaps 3 hours to finish this > > > one, > > > > One advantage of hollowing out the pulley with a 24mm hole is the > > greatly educe print time. I only print the our 5mm of the pulley. > > I'm printing four ofthem, four-up at a time now. > > > >What generator software? Openscad, using the thingiverse parametric > > .scad files, cannot render a shaft of more than 9.9mm's, else we > > could do this by enlarging the shaft, so all we'ed have to print was > > a ring of teeth. > > Yes it can, it's parameter driven, change the values of the > parameters. > I did that, anything larger than 9.9mm's for shaft size simply does not render. zero response to clicking the render button. > > > but its > > > up into the pulley teeth but the threads its laying are completely > > > random, no teeth, just a rough surface with no real pattern. > > > > Are these "teeth" the ones that engage the belt or the ones that > > engage the set screw? Printing a threaded horizontal hole is going > > to be way-hard with 0.4mm walls for this just make an undersized > > plain hole and then tap it by hand. Or just as well, let it try to > > make threads then clean it up with a tap. Vertical hones print > > better. > > > > With standard threads in metal, every cross-section is a perfect > > circle. A vertical hole is just a stack of circles, something the > > printer can do. But horizontal holes have "roofs". The printer > > can't print over air so it adds support material inside the hole. > > I'm sure this is what you see, In Cura's preview support is blue. > > > > It is possible to selectively turn supports on and off so the > > horizontal holes are not filled with support. But it is a lot of > > work I use a hex key to punch out the support from holes. > > > > If the messed up teeth are the belt teeth then I'm at a loss without > > a photo. > > > > > And no, > > > its not loose on the hot plate. : > > > > -- > > > > Chris Albertson > > Redondo Beach, California > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > 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) > If we desire respect for the law, we must first make the law > respectable. - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
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) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
