Monday, 30 January 2017

Filament strength as it applies to my Ukulele Hangers

I just ordered one of these cheap luggage scale to weight my ukuleles UkuleleAquisitionSyndrome
Aliexpress luggage scales
I have 4 uke's so my condition isn't that bad :-) But I am trying to test pla and petg plastic for use with my hangers.

I have tested in the past with the things I had on hand, but inspired by Tom's filaween series, I want to establish some constants with a set of scales. They don't need to be seriously accurate but hopefully consistent.
My earlier testing can be found here :-
http://lukethier.blogspot.com.au/2016/08/ukulele-hanger-strength-test.html



From left to right in the above photo we have some GITD Blue from http://www.aurarum.com.au/





Next the two are in a nice red from https://www.the3dprinter.com.au/
I will say here that there was a larger range of colours but I had to redesign my hangers as printing in a slightly lower temperature caused weak layer bonding and this caused them to break, so I'm reprinting in the new design. There were some in The3dprinter white but I had to throw them away along with the others in favour of the new design and will re print in white later on.
These colours were supplied by Dion for me to try out and I'm more than happy with his filament and indeed with all the Aussie supplied filament.

None of the filament was to blame for the breaking it was my desire to run a little cooler for a better finish that was to blame for the layer bonding failure. (Wont be doing that again!)




The black ones are in the 3dfillies pla (They are all pla btw) https://3dfillies.com/

Michael from 3dfillies was kind enough to send me some of their PETG Squeeee! to try out, so expect some feed back on my series of ukulele hangers in petg and their ability to hold ukuleles (Strength test) soon. I'll wait on the luggage scales before testing these PETG filaments for their ability to hold a precious ukulele away from harms way.  Hopefully it wont be 40 days before I can begin lol



I'm running a tower temp test on some yellow pla from 3dfillies right now however!


My photos don't really do the colour justice but it has a slightly translucent appearance


and the translucency is apparent under my led head light surround I now use on the frame rather than fitted back around my hotend...............just lazy is all :-D 



Here are the temps from bottom to top. The recommended temperature range is 195 - 210c 


Ever since my belt adjuster broke I'm having some issues with it cornering, I suspect the Y axis though, as it has some slop in it I cant remove without a complete tear down.


The 3dfillies yellow pla seems to handle this temperature range really nicely and in the photo the little black dot represents the Y front of the print for later use as diagnostics and so I don't lose orientation. I'm going to try 200c for my next print of a uke hanger as it seems the nicest quality form the test. Very happy with this yellow and their black is great also.



















5 comments:

  1. Great piece! Love the way you simplify the steps and experiment with your 3D printer. I have bought a 3D printer too to render small items form it. Can you suggest some best 3d printer filament? The filaments from the Makeshaper looks legit while providing the best solutions in the class. Please let me know your views. Suggestions and criticism widely accepted.

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