Jump to content
Sign in to follow this  
  • entries
    5
  • comments
    3
  • views
    1,135

About this blog

My research blog of green technologies funded through my Patreon Campaign

Entries in this blog

Steven Mosbrucker

For the final test of moisture's effect on 3d printed surface finish. i will be testing a varying amount of moisture content PLA to get an array of filament quality to compare

Experiment:

  • cut 5 coils of Octave PLA at around 25 feet ~20 grams each
  • water log all 5 coils for 1 week in water
  • Print the 5 coils in this order
  1. 1st waterlogged coil
  2. 1 hour dried coil
  3. 2 hour dried coil
  4. 3 hour dried coil
  5. 4 hour dried coil
  6. room environment off spool

Hopefully this final experiment gives us the final answer we have been looking for.

waterlogged filament will be starting today and will be ready fri(16)-sun(18)

Steven Mosbrucker

I have got some preliminary findings.

My findings were that moisture effects 3d printing: Kinda/Not Really

Process

  • filament was removed from water pitcher after 1 week. Filament was found to be very brittle and a lot of it snapped off after removing. however once the water on the surface flashed off it was ok to handle and even feed through my bowden Kossel.
  • filament was put into a toaster oven (surprisingly efficient toaster oven) and baked for about 2-3 hours at 150F. the filament that was added was room environment filament that turned out to be 2.3%+ by weight moisture. (which is pretty high i try to extrude filament at .08%).
  • all filaments were extruded at about 50mm/s at 217C the part was the 3d benchy at all original scale with 15% infill and no supports.

 

  • From my 3 3d prints comparing side by side you can see that there is a big difference between the water logged and the "baked" filament.
  • however i had another print (4th print) that was the same file that i just changed some settings such as increasing the print temp i got the same quality as the "baked" filament".

so my preliminary findings that as long as you don't store your filament submerged in water you should be able to print fine and baking filament to remove moisture is not worth the power.

Steven Mosbrucker

For my second (or fist video not sure yet). How much does moisture actually effect 3d printed models and what artifacts will we see?

  • For the experiment we will be looking at a range of PLA filament moisture content
  • Each filament sample will be enough for about 2 benchys
  • 1st sample forced dried pla in oven at 150F for 4 hours. This filament is octave
  • 2nd sample is filament that has been open to a house environment for its lifetime after being unsealed from the manufacture. This filament is Octave
  • 3rd sample is filament that has been put into a pitcher of water. This filament will be assumed to be the maximum amount of moisture that pla can hold. (worst case). this filament is octave
  • all samples will be used to print the 3d benchy (same gcode file) to compare the 3d printing artifacts and quality

Things Needed:

  • 3d printer
  • pitcher of water
  • about 100 feet of PLA filament
  • oven capable of 175F or 80C

Experiment:

  1. Print 2 3D benchies per sample of filamnet
  2. Compare side by side the different filaments

Filament has already been added to the water pitcher and i will leave it in for 1 week (ready to print monday the 22nd) . my experiment will be performed then. and video/write up posted shortly after.

 

Steven Mosbrucker

My first video is going to be about PLA moisture and how much there is. I know that it is a big issue for filament extrusion but also what is it's effects on 3d printing.

  • For the experiment i will be looking for a range of moisture that will be found in different situations of PLA filament that will be found in the wild
  • Each filament sample will be about 14 - 16 grams in weight which is about 24-26 feet all 1.75mm PLA filament
  • 1st sample brand new unopened sealed filament being opened then checked for moisture. This filament is natureworks 4043D from protopasta. 
  • 2nd sample is filament that is never sealed and just open to a house environment for its lifetime after being unsealed from the manufacture. This filament is Octave
  • 3rd sample is filament that has been put into a pitcher of water. (waterlogged filament). This filament is to test how much water PLA will actually hold. (worst case). this filament is octave
  • All of this filament samples should give us a full range for filament that is not purposely being dried.

Things Needed:

  • Analytical scale that has .001g resolution
  • pitcher of water
  • about 75 feet of PLA filament
  • oven capable of 175F or 80C

Experiment:

  1. Weigh filament and record
  2. Put filament in oven at 175F (80C) for 3-4 hours (natureworks 4043D resin drying process)
  3. Weigh filament and record 
  4. Take after weight and divide it by the before weight. Take that answer and subtract it from 1 that is your percent.

Filament has already been added to the water pitcher and i will leave it in for 1 week. my experiment will be performed then. and video/write up posted shortly after.

water filament is 14 grams in weight.

IMG_20160816_020422819.jpg

IMG_20160816_020416072.jpg

Steven Mosbrucker
  • Welcome to the research blog. In my research i will be posting videos/blogs/write ups on things that i research in green technology which is reduce, reuse and recycle technology/science.
  • For right now it is going to be centered around 3D printing and its materials.
  • you can keep up to date here by following the blog and checking out the videos i post on youtube here Youtube.
  • if find my research of value and would like to add to my research funding or maybe get your hands on some of my prototypes/kickstarter projects that i develop check out my Patreon here Patreon
  • currently i will have about 1 or 2 videos a month and as funding increases i will increase my videos stay tuned.
  • i will also have a permanent page for my write ups on my site aswell i will set that up soon.

Thanks for checking out my research blog and make sure to auto follow the blog and subscribe to my youtube channel and pledge on Patreon i will catch u guys later.

Sign in to follow this  
×
UA-71238615-1