What type of 3D printer did you buy? > -----Original Message----- > From: Gene Heskett [mailto:[email protected]] > Sent: August-16-20 5:24 AM > To: [email protected] > Subject: Re: [Emc-users] found a harmonic drive set of .stl's on thingiverse > > On Saturday 15 August 2020 09:05:48 Gene Heskett wrote: > > > Slim chance I might get the rest of the screws I need later today. > > I did, almost, get enough screws to put one together & take it for a > spin. Screw lengths very critical. Works but the motor only has enough > torque to turn it at over 2.5 amps/coil drive. But that will get the > motor hot enough to soften the plastic in about 15 minutes so I quit at > about 5. > > Now the 64k$ question is, it is worth building an air cooled shaft > extension to isolate these from the motor heat? I'll have to think on > that. I've been thru hell with this printer and anything I need is 3-5 > weeks away. The whole hot end of it is a pisspoor design, leaking hot > plastic out thru the nozzles threads. Or anyplace else. The si sock on > it is dragging on the work as its filled up, now that its cooled, with > about an eighth of and inch of solidified plastic from the leakage. Its > also ripped up from the leaking PLA glueing it to the hot end, and > damaging it during removal. The final fix might be a strip of teflon > pipe tape on the nozzles threads, but that would have to be done to > brand new, clean parts I don't have. > > > And thats the news from Lake Woebegon. :( > > 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 > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users
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