Laser Filament Monitor - Testing
-
Thinking about this a little further could I hook the development sensors to a spare arduino due and just read distances from it? With a bit of coding? Is the rotating magnet version mentioned on the documentation likely to be more reliabke than the laser based or are these questions for the trials to answer?
-
@doctrucker yes you can
Rotating magnet is very accurate across all filament types. -
Very interested in trying it from that perspective then. It'll be far superior to me measuring filament by eye with a 150mm metal rule! Where can I express an interest in buying a beta model of the magnet based sensor - or is it not ling to wait for the planned commercial release? I realise the date may slip due to beta trial results.
-
I have been using my laser sensor now for a short while. With black PLA I had mostly consistent results. I started using eSun yellow PETG and made several small prints with the same travel numbers. Last night I started a vase mode part and it got to about layer 160 before it stopped. The reported low number was 24%. I restarted the print and it went another 10 layers and stopped again. The restart was perfect, but the layer adhesion was non-existent. It printed another 10 or 15 layers and stopped again with 24%. The average range up to this part printing was 84% to 94%. When I checked the vase as the print was getting started it was also 85 to 95%. I'm not sure what is going on. The filament feed is not restricted and I'm using a Bondtech extruder. The quality of the print was as near perfect as I could ask for, and I'm using a fairly high temp so the nozzle is very unlikely to be getting clogged. I had the print speed at 40mm/s.
Ideas? Does retraction mess with the sensor? In vase mode there should be no retraction.
I have yet to install the laser sensor in my second printer, but it's ready to go.
-
@3dmntbighker the sensor performs differently depending on the filament types as you have seen. For PETG we have reports that ESUN Black was very poorly registered which I have confirmed on tests. I have not confirmed for ESUN yellow PETG however it looks like that is also not good. If you are getting +'ve numbers you can increase the trigger window for that filament.
-
@t3p3tony said in Laser Filament Monitor - Testing:
@3dmntbighker the sensor performs differently depending on the filament types as you have seen. For PETG we have reports that ESUN Black was very poorly registered which I have confirmed on tests. I have not confirmed for ESUN yellow PETG however it looks like that is also not good. If you are getting +'ve numbers you can increase the trigger window for that filament.
Very odd that it goes from 85 to 95%, then suddenly out of nowhere it's 24% with no change in speed, feed rate or filament type.
-
@3dmntbighker yes that is strange. I found the ESUN black PETG very variable with unworkable results, however other PETGs (specifically e3d edge) are not as variable.
-
@t3p3tony said in Laser Filament Monitor - Testing:
@3dmntbighker yes that is strange. I found the ESUN black PETG very variable with unworkable results, however other PETGs (specifically e3d edge) are not as variable.
Well, I have stopped buying eSun altogether. My standard filament brand is now 3D Solutech. I also use a mix of Taulman, Filamentum and others. I hope they get Prusament on Amazon soon.
-
@3dmntbighker will be very interested to hear how you get on with those other brands!
-
Hi...
When you estimate filament monitor will be reléased? And the Price?
Thanks
-
