On Friday 29 May 2020 12:20:39 Chris Albertson wrote: > The Ender printers are well thought out and lack most of the dumb > problems of older Prusia clone printers. But still, there are cables > that attach moving to non-moving parts and after flexing 20 times a > minute for years will break. The printer is open source and there > are forums if problems come up. > > The first thing most new 3D printer owners print are upgrades for > their new printer.
1; Usually these are a filament guide to feed the > filament over sharp edges and some braces to make the printer > structure more rigid, 2; link to fora or where ever this stuff can be downloaded as .stl files? > housing for the electronics, cable clamps, and > hold-down clamps so the printer can be screwed to a workbench. Does it shake rattle and roll that badly that it needs the mass of a well built workbench to do _good_ work? Seems to me 4 guy wires with turnbuckle tensioners, two from each end of the top frame rail should brace it adequately. > The > on-line groups advised me that my A6 printer had a problem were a > small connector was used for a big current and would melt and catch > fire. But they kept re-posting this long after the manufacturer > fixed this problem. That is what happens with even this group. We > re-post what we read years ago. > All of which serves to edycate the neucomer. Speeling mysteaks expected. > The printer is as complex as a CNC mill and takes a while before you > can learn to use it. There is a long software workflow too from an > idea in your head to finished parts and unlike a mill, there is no > option to turn the handwheels manually. Thats probably my biggest concern as this will truly be the first time I have trusted a code generator to do what I want. I have up till now, either modified gcode to do what I want, or written it myself. Sometimes with a lot of help, you know who you are, and many thanks for that. I owe many of you a hand cooler if we ever meet in person! > On Thu, May 28, 2020 at 11:56 PM Gregg Eshelman via Emc-users < > > [email protected]> wrote: > > I've never noticed any smell from PLA filament. ABS would definitely > > smell just like cutting ABS with high speed tools that melt it some. > > The GRBL, Marlin and other 3D printer firmwares have the ability to > > monitor things and shut everything down if a fire potential > > situation happens. Some printers have had a bit of an issue where > > the manufacturer chose to not enable those features, then after a > > few incidents either the users or the manufacturer released updated > > firmware with the features enabled. Google 3d printer fire to find > > various ways some have lit up, and things to look for to ensure > > yours won't. > > Aside from the firmware issues, common causes of flammen tend to be > > wires to the hot end or heated bed rubbing and wearing through > > insulation, or parts for the bed mounting being sharp and cutting > > into the circuitry. At least one case was the hot end heater fell > > out of the nozzle block and the printer was one with runaway heat > > monitoring disabled. Since the thermistor wasn't reading the heat, > > the printer kept cranking up the juice to the heater. Basically an > > if expected temp output != commanded temp input then something's > > wrong so turn off. The one with the bed mounting issue was one of > > those lower cost Prusa copies. The fix was simply four fiber > > washers, before the metal washers cut through the insulation coating > > on the underside of the bed plate. > > You'll want to make sure the wires to the heated bed are secured so > > they don't flex where they're soldered. PITA to discover that when > > one breaks loose then you have to take things apart, and rig up > > proper securing for the wires. > > > > On Thursday, May 28, 2020, 8:04:15 PM MDT, Gene Heskett < > > [email protected]> wrote: > > For Dee, whose COPD is getting close to the end, not tolerable then, > > so I may as well put it in the shed and build a box around it. > > > > Does it need a fire extinguisher when doing lights out stuff at > > 3AM?. > > > > Thanks Andy. > > > > Cheers, Gene Heskett > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
