The Shop > Tools
Another 3D Printer
awemawson:
I have a Traub that could be re-homed if you are brave and reckless :lol:
Joules:
Sounds great, so that will go on the kitchen table then. :bugeye:
Joules:
Re built the head, and found lots of gap between the clamp and the hotend. I ended up putting an O ring on the hot end and compressing it against the effector plate. Everything now calibrated and running some test prints. Auto bed level worked even with the old setting so I am probably within 1mm of the old Z height.
Jorkki:
Good progress there Joules :thumbup:
Mine is printing as well after some initial battles.
All in all a very nice kit with some very good components like the controller and the IR probe. Also everything is very nicely packaged and marked and the instructions are good.
The gripes I have with the kit are:
- some of the printed plastic parts are not of best quality (like my effector plate)
- the use of ordinary 3mm metal screws with ABS plastic, some are even too short (3 for the effector plate have very little grip) and some cause delamination because of the bad print quality.
- some of the Traxxas ball joints are quite loose
- one of the aluminium verticals was a tiny bit bent
The geometry is so complex that it's a little bit hard to pinpoint what exactly caused my difficulties in calibrating the printer.
The good thing is that the IR probe is quite reliably and repeatably triggering at the same height all over the building plate. What is not so good is that the height of the nozzle is varying quite a bit indicating that the effector is not staying exactly level across the build area.
Fortunately the calibration algorithm is quite good and by putting in height offsets in the configuration file I have managed to get decent results.
Joules, you should try to print the spiral test file that is on the SD card. You will very soon see if you get a spiral or just a mess of angel hair like I did on the first try.
Joules:
Jorma, I was having trouble getting my prints to stick till I realised my Z probe offset was out by 0.2mm. I also increased the current to the motors by 10%. I am still having some slippage on my own test prints, but I think that may be down to a problem in my slicer !!! As everything else prints OK.
I would suggest for any parts you have issue with, reprint them on your machine at something like 0.15mm layer. You will get a much better part then exchange it on your machine. Do you have access to a lathe, as making the brass bushes for clamping the hotend to the effector plate made a big difference in print quality. I just need to see how it holds up long term.
Joules
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