On Thursday 04 June 2020 13:09:10 Chris Albertson wrote: > Can you save > 1) the STL file > 2) the gcode file > 3) Then in Cura to File-> and it will save the project file which has > all the settings including how you positioned the model on the build > plate. > > I'd look at these fies.
Do you want to see them? > > But my guess is this is a data error. The gcode file is > gettig corrupted or read wrong by the printer. This is rare if using > an SD card but if you are feeding the printer via the USB that it is > understandable. It looks like data is being dropped, missing g-codes > make a mess of the print. > > > One more thing, It could be that Cura is generating supports inside > the screw holes. It might not be infill but rather a support > No supports enabled that I know of. > Is the pulley dead-flat? and you are printing it hub extension up. No, what you saw was hub face down, so after the raft, should have been the bottom, 4mm thick layer, and its not being laid down at all. Twice in a row. > > If the model is not in full contact with the plate because perhaps > there is a ridge or bump that holds some surface off the plat that > this cross hatching is the base of some support materials. Cura uses > a cross hatch as the first layer of support material. > yes, thats what you are looking at, I just put it, top side down, raft and all, in the scanner. > If is best if the base of everything you print is a flat plane. I > can't tell without a look at the files. > > One more thing, for objects like this try "Gyroid" infill type. It > makes a 3D patterns like open-cell foam using intersecting sine waves. > About 25% is enough for this part. that is whats selected. > > My guess is "data error" is this is done via USB or if there is a > ridge on the pulley it might be suport but suort is printed in X and Y > direction not at 45 degrees. But I don't know the camera angle. > > On Thu, Jun 4, 2020 at 9:24 AM Gene Heskett <ghesk...@shentel.net> wrote: > > On Thursday 04 June 2020 08:13:53 andy pugh wrote: > > > On Thu, 4 Jun 2020 at 12:20, Gene Heskett <ghesk...@shentel.net> > > > wrote: > > > > > > Preview has a camera view angle that takes the image off the > > > bottom of > > > > > > > the screen, long before the magnification has reached a usefull > > > > level. > > > > > > Shift-drag, Ctrl-drag and Alt-Drag all do different things to the > > > preview. > > > > Crazy. But the build in progress is totally screwed, theres a post > > of 50% infill where the shaft hole s/b, and the wall around the > > shaft is missing! Taking the raft off took most of the infill with > > it because there was no solid bottom or top to a 12mm tall hub that > > measures 12.5mm tall now. The only conclusion I can reach is that > > I've done something to the src file, which I've been doing a save-as > > to the modified code before handing it off to the slicer each time. > > So go back to the original src and start all over. > > > > Which I did, but stopped that build when it was obvious it was going > > to do the same miss-build again. > > > > 1. no bottom hub wall > > 2. no wall around shaft or nut pocket > > 3. nut pocket 100% infilled > > 4. middle of whats supposed to be an 8mm shaft infilled > > 5. Scan attached for the experts perusal, whats fubared in cura? > > Being sliced, saved as gcode to the local nc_files, then chowned to root and then cp'd to the 8G sd card that came with the printer, after mounting it as a vfat partition. > > But I think I'll go get the tooth count I need to put the 2nd motor > > on the Sheldon's Z, and see if I can find an alu sprocket for that. Ordered, s/b here in a couple weeks. Thanks Chris. 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
