The slicing can be done on your desktop machine directly after you create your stl. No need for a 3rd computer in the chain.
On Fri, May 29, 2020, 7:47 PM Gene Heskett <ghesk...@shentel.net> wrote: > On Friday 29 May 2020 19:23:58 Chris Albertson wrote: > > > Let's say you had one of THESE https://a360.co/2RLRoxw (be sure and > > try the "explode" control and slider. It is VERY impressive, no not > > my work) and wanted to adapt it for use with LinuxCNC by adding > > motors. > > > > So your first step is to replace the lead screw with a zero-backlash > > ball screw and make mounts of the screw's nut on the carriage and > > verify all the clearance. This is the entire point of 3D model is > > as shown in the above link. I can verify the entire design before > > making a part. I can answer questions like "where do the glass > > slides go and how to route the cables?" I can add the slides to the > > model and move the parts to verify clearances. > > > > How to do that with OpenSCAD? Can you even say things like "make > > this new part to mate with that existing part" or must you make the > > new part from scratch using measurements pulled from the existing > > part? > > > > Motorizing the BS1 is EXACTLY this process, you start with a stock BS1 > > then change out some parts, verify it all works then print and cut the > > parts. You REALLY want the ability to test-fit and fix and have that > > take about a minute at most. openscad is such an unusual and > > specialized product I'd hate to recommend it for general design work.. > > But it is good for making a single standalone parameterized part. > > Like a gear but not a motorcycle or a milling machine. > > > In this case, openscad gives me the tools I want right now, and I could > even do a set of gears for stage 2 of the reduction since that spacing > is almost too close for a belt coupling. So by using the correct tooth > profiles it could make a very usefull gearset, no belt at all, and a > higher reduction at the same time. But would those teeth be strong > enough. Worth a try IMO. And a swarf cover from the printer should be > doable. > > But I find that octoprint is part of octopi, which I have just now > downloaded so now I'll need to obtain a 2nd 2G r-pi4 and basicly > duplicate the hardware driving the Sheldon right now. I wasn't counting > on that expense but. Apparently it talks to the printer with some > software protocol I've not yet discovered. > > Hopefully it won't require another mesa card. Or I'm confused. At one > point it was said I could take the .stl file to the printer on an sd > card. Now you folks want me to buy another pi to do the slicing. > > plz clarify. I have the pi3b I took out of the Sheldon, and at the github > page its says it will work, but the pi4 is many times faster than a 3. > > This fellow doing Octoprint, guysoft, came to the pi scene 2 years ago > with the realtime-pi project, but about the time they got the new faster > video drivers, dissappeared again, which is why I had to build my own > preempt-rt kernel from scratch for the Sheldon. Then I couldn't just > make a deb and install it, so I figured out how to make a 30 meg tarball > out of the important stuff, installed that with a card reader, and its > working great. 16 u-secs latency-test's. > > Thanks for any clarifications. > > 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
