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3d - Printworx

Filament Dryer

Started by Hozza, Saturday,June 09, 2018, 14:30:15

Previous topic - Next topic

0 Members and 1 Guest are viewing this topic.

Hozza

Storing filaments that are hygroscopic is very important but long print sessions leave the roll exposed and even placing the roll back into storage isn't enough, so I was looking for a way to dry out filament, and after a failed attempt to use the kitchen oven :hmm: even on it's lowest setting it would get too warm and glass the filament especially PET-G :frantic: causing waste :thumbdown:

So Google became my friend and I found this http://www.printdry.com/product/filament-dryer but at $129 with shipping and the obvious import and vat charges two words came to mind :rofl:

But I had notice that the unit looked very familiar it' only a food dehydrator, so a quick search on Thingiverse found this https://www.thingiverse.com/thing:2669646 and then I came across this on Amazon for £23 posted.
   

and after a bit of file tweaking and printing I now own a filament dryer that cost around 50p a day to run ~~


I may even design it to take a thrust bearing and spool holder so it can run while I'm printing.
Makibox (sold)
i3 custom build (sold)
Smartcore (sold)
Kossel XL Duet3D based, with Flex3drive (working)
HEVO Hybrid (worlds slowest build)
Kossel Mini Duet3D based, with Flex3drive (working)
Geeetech A10M (Still in Box)

Gaza07

Thats a nice find Hozza looks they just add a thrust bearing and say it can feed filament  :rolleyes:
can you buy the containers on their own ?
Custom built delta with Flex3Drive Gen 4 / Duet Electronics 330mm build area
Custom built delta with Flex3Drive Gen 4 / Duet Electronics 180mm build area
AnyCubic 4max XY printer 210x210x300 build area
AnyCubic Kossel Mini 180x180x300 build area
Geetech A10M Dual Colour 220x220x260 build area
Kelant Orbeat D100 DLP/SLA

Multi-Rotor UK  YouTube  Thingiverse  3d-Printworx

Hozza

Makibox (sold)
i3 custom build (sold)
Smartcore (sold)
Kossel XL Duet3D based, with Flex3drive (working)
HEVO Hybrid (worlds slowest build)
Kossel Mini Duet3D based, with Flex3drive (working)
Geeetech A10M (Still in Box)

shawdreamer

I had a similar idea using a an old tower steamer a while back but I never did get round to it (obviously NOT steaming the roll :laugh:, just using the unit with its hot plate drastically ramped down)

but..... I just had a rummage through my spare printer parts and Ive got a plan  ::)

shouldnt take me more than half a day to get it together so hopefully might have a working item by the end of the day.

will report back :frantic:
Geeetech Prusa i3 pro-B (ABS Workhorse)
Pultur Prusa (my own design)
Poltur XL (my own "MUST BE BIGGER" design)
Poltur XL v.2 (my own "MUST BE BIGGER STILL, MUST USE EXTRUSION" design)
https://www.thingiverse.com/shawdreamer/designs

Gaza07

Quote from: Hozza on Saturday,June 09, 2018, 16:22:10
Quote from: Gaza07 on Saturday,June 09, 2018, 15:30:39
can you buy the containers on their own ?


Containers?


The containers that go on the top in the filament dryer advert they appear to have 2 or do they come with it ? the ones you show look different
Custom built delta with Flex3Drive Gen 4 / Duet Electronics 330mm build area
Custom built delta with Flex3Drive Gen 4 / Duet Electronics 180mm build area
AnyCubic 4max XY printer 210x210x300 build area
AnyCubic Kossel Mini 180x180x300 build area
Geetech A10M Dual Colour 220x220x260 build area
Kelant Orbeat D100 DLP/SLA

Multi-Rotor UK  YouTube  Thingiverse  3d-Printworx

shawdreamer

so.....plan

my old Acetone vaping setup...

good for 120c easy

A nice chunky sized storage tub I usually use to airtight store rolls in...


add one..... to the other....



add a extractor fan to the lid....


and I should have something viable & usable from a pile of spare parts I had knocking about so its cost me nothing.

.....plus Ive never liked putting plastic inside a oven even when its set as low as possible, just strikes me as asking for a disaster, personally if I really want to burn my house down in a 3d printing related accident.... Ill buy a Anet A8 ~~
Geeetech Prusa i3 pro-B (ABS Workhorse)
Pultur Prusa (my own design)
Poltur XL (my own "MUST BE BIGGER" design)
Poltur XL v.2 (my own "MUST BE BIGGER STILL, MUST USE EXTRUSION" design)
https://www.thingiverse.com/shawdreamer/designs

Hozza

Quote from: Gaza07 on Saturday,June 09, 2018, 19:54:03
Quote from: Hozza on Saturday,June 09, 2018, 16:22:10
Quote from: Gaza07 on Saturday,June 09, 2018, 15:30:39
can you buy the containers on their own ?


Containers?


The containers that go on the top in the filament dryer advert they appear to have 2 or do they come with it ? the ones you show look different


They sell these http://www.printdry.com/product/top-chamber , no idea if they would fit the base
Makibox (sold)
i3 custom build (sold)
Smartcore (sold)
Kossel XL Duet3D based, with Flex3drive (working)
HEVO Hybrid (worlds slowest build)
Kossel Mini Duet3D based, with Flex3drive (working)
Geeetech A10M (Still in Box)

Hozza

shawdreamer you may want to fans inside to circulate the air.
Makibox (sold)
i3 custom build (sold)
Smartcore (sold)
Kossel XL Duet3D based, with Flex3drive (working)
HEVO Hybrid (worlds slowest build)
Kossel Mini Duet3D based, with Flex3drive (working)
Geeetech A10M (Still in Box)

shawdreamer

considered it but I think a second fan as a intake would probably not help too much so instead Ill cut a couple of vent slots in the base of the container underneath the heatbed  and allow the exhaust fan to draw the hot air upwards rather than a intake blowing it.

should make for a more even temp.... least in theory :shrug:
Geeetech Prusa i3 pro-B (ABS Workhorse)
Pultur Prusa (my own design)
Poltur XL (my own "MUST BE BIGGER" design)
Poltur XL v.2 (my own "MUST BE BIGGER STILL, MUST USE EXTRUSION" design)
https://www.thingiverse.com/shawdreamer/designs

shawdreamer

bit of jiggery pokery wiring to a simple temp control board

slap the board in a 3d printed enclosure and bolt that to the side of the container

slap the lid on (still got to cut in the fan, which Ill do after a quick test run) an leave it to run up to temp

quick check....


NIIIIIIIIIIIIIIIIIIIIIIIIIIICE ~~

you can hear the roll of petg in there creeking and pinging as it gradually warms up, good sign I reckon!, just have to wait on the fan shroud and heatbed feet to finish printing and it'll be done,  Ill leave it on for a few hours then and see if it can resuscitate the crappy HK black roll thats almost impossible to print with now.
Geeetech Prusa i3 pro-B (ABS Workhorse)
Pultur Prusa (my own design)
Poltur XL (my own "MUST BE BIGGER" design)
Poltur XL v.2 (my own "MUST BE BIGGER STILL, MUST USE EXTRUSION" design)
https://www.thingiverse.com/shawdreamer/designs

shawdreamer

well mines been on a 6hr 70c bake so Ill give it a whirl in the morning to see if its any good again.... if not..... Ill buy one of those dehumidifiers too :laugh:




IF its worked Ill add a bearing roll holder into the design and set it up to work while feeding the printer during a run.
Geeetech Prusa i3 pro-B (ABS Workhorse)
Pultur Prusa (my own design)
Poltur XL (my own "MUST BE BIGGER" design)
Poltur XL v.2 (my own "MUST BE BIGGER STILL, MUST USE EXTRUSION" design)
https://www.thingiverse.com/shawdreamer/designs

Hozza

Makibox (sold)
i3 custom build (sold)
Smartcore (sold)
Kossel XL Duet3D based, with Flex3drive (working)
HEVO Hybrid (worlds slowest build)
Kossel Mini Duet3D based, with Flex3drive (working)
Geeetech A10M (Still in Box)

shawdreamer

just a quick example of just how quick this particular roll went downhill....

day 2 out the box, not the best finish Ive seen from Petg but exceptable and strong, nothing a quick clean up didnt sort...


day 3-4 out the box, lost all its sheen, was showing signs of tip spitting, stringy as hell and big fat globs of crap everywhere, notably weaker than first part...


day 5-6 out the box, NOT WORTH A CRAP, prints spluttery, layers awful, terrible bonding, so stringy/spiky it resembled a sparkie shaped hedgehog, breathed on it to heavy it'd shatter...



to be somewhat fair I decided to run one last example print yesterday before I put the roll into the new petg/beefy jerky fixer... its didnt even get through the test print before it destroyed the tip with a blockage so bad I abandoned trying to save it entirely....




running the same test print now with the baked roll...




looks promising, and zero spitting, stringy, splutter etc so far
Geeetech Prusa i3 pro-B (ABS Workhorse)
Pultur Prusa (my own design)
Poltur XL (my own "MUST BE BIGGER" design)
Poltur XL v.2 (my own "MUST BE BIGGER STILL, MUST USE EXTRUSION" design)
https://www.thingiverse.com/shawdreamer/designs

shawdreamer

well.......

erm........

even Im a little shocked at this one......

the pre-baked attempt...

top




bottom




and the post-baked at 70c for 6hrs....

top




bottom




dunno about the rest of you lot...... but Im calling that one a "win".

definitely worth investing in either a diy de-humidifier or a over the counter job imho if you intend to play with cheap PetG

(ps, the bits of stringing your seeing on the good parts is from the support material only, it actually prints better now than what it did initially :rofl:)
Geeetech Prusa i3 pro-B (ABS Workhorse)
Pultur Prusa (my own design)
Poltur XL (my own "MUST BE BIGGER" design)
Poltur XL v.2 (my own "MUST BE BIGGER STILL, MUST USE EXTRUSION" design)
https://www.thingiverse.com/shawdreamer/designs