Keep Dust And Debris Out Of Your Hotend With This Simple Print
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- เผยแพร่เมื่อ 1 ต.ค. 2021
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In today's video we take a look at filament cleaners. They are a great way to keep dust and dirt out of your hotend and extruder. Having many spools of filament open, they help make sure the only think making it into my hotend is the intended filament.
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I just use a clothes pin and piece of micro fiber cloth. The spring loaded clothes pins has built in round openings so the filament does not get pinched to tightly. Supper easy to use and fast to set up since it just clips around the filament.
I’m in the middle of doing several ~20hr prints, and now seems like the best time to add a filament cleaner.
Yes, use some sort of foam filter. Not only will it clean off dust and other particles, but will prevent insect body debris (either from your home or more commonly, manufacturer) from being entombed in the print. Don't consider oil.
Dry your filament. Filament stored in the open will eventually need to be dried out. The print quality is like "night and day" after the moisture is removed. Keep a temperature, humidity digital display in your printing room.
Store in inexpensive heavy duty double seal "ziplock" style bags. IKEA 6L ISTAD (model) bags are perfect, double seal, cheap, and reliable. They will hold standard and wide bodied spools with plenty of room for desiccant if you like.
Dry spools in BULK for the colors needed for a project or series of projects, not one at a time. Do not waste $$$ on specialized filament dryers. Instead get yourself a 5 gallon bucket, drill 4 5mm holes equally spaced just up from the base. Purchase an inexpensive circular NESCO, American Harvest Food Dehydrator Jerky Maker with variable temperature control (or similar as long as its diameter is large enough to sit on top of the bucket). SImply place the control, heating unit on top of the bucket and start drying. It will handle upwards of 5 1kg spools per batch and is a necessity if you're doing multimaterial printing.
Excellent tips, great video! One of my biggest fails was sanding wood (from a laser project). I forgot to cover up my filament roll, and ended up having sawdust collect on it. I didn't notice until after I was printing. Sawdust doesn't do well in 3d printer hot ends.. lol. It took me a while to clear out that jam, but lesson learned! I've also found using a filament filter (with a dry sponge) works well like the one you showed in the video.
Cool little design.
Having used a 0.2mm nozzle clogging and had to clean it a few times for impurities that didn't make their way through. It is really good to clean the dust/etc off the filament before it enters to be melted, at 0.4mm I never had an issue with clogging.
For myself I just literally took a piece of foam from the packing from my printer, cut a cylinder then cut a line to the center, finally wedged it onto the top of the filament going into the printer so it cleans it from all angles before it enters the bowing tube..... 2 seconds, lol.
Makes sense that a .2 mm nozzle would have more problems with dust, and other material. I have had problems with recycled filament on the .25 nozzle, but never a .4
great video as always 👍😀
thanks for sharing your experience with all of us 👍😀
oiling with TINY droplets of oil has helped me battle jams due to heat creep (caused by a couple models with hundreds of retractions each layer) as it helps the PLA not stick as much to the hot titanium heatbreak on a particularly hot day (like 30°+ ambient temp)
Great idea! Keep up the great content!
Great one. Thanks so much for this! And the STL. :)
very cool. I put ALL my filament spools in bags. Its a pain but I've been doing since day one and it seems to do the trick.
Regarding debris, dust, etc - check out the vacuum seal bags. A lot of companies are jumping on it for filament spools, so there's a price premium for bags that fit a single roll, but you can also just get ones made for things like sheets or other sizes. I use those and toss in a bag of silica/alumina for rolls of nylon, PVB, PETGs, and PEEKs.
Another easy alternative: print with a 1.6mm nozzle 😁
I sometimes zip-tie 2 cotton balls on my filament so that it gets a wipe down before going into my extruder, no oil though. The cotton balls end up so dirty and do a great job of catching any dog hair. I change them pretty often
I think Chuck from Filament Friday recommends oiling if your Bowden tube is too restrictive, or your retractions are stringy from a tight Bowden tube.
My first 12 rolls, came in mylar bags with desiccant. However the zip-locks on those bags wouldn't all stay sealed and most of those rolls became too brittle to even feed into the printer. I've since ran them all through a food dehydrator and only a couple I haven't fixed yet, they've been sitting in the dehydrator for a few days now, and may just give up on them. Luckily they were all protected from gathering dust. Since I have a bigger printer now, and some prints can take days, I picked up a Sunlu dryer, just to keep the filament dry while printing, it's designed for the spool to be rotating, so not a good device to use as a primary dryer. Also when a roll is out of the new zip-lock bags I toss the desiccant in the food dehydrator to "recharge" it. I may start swapping all the desiccant in all the bags for fresh desiccant and put them in the dehydrator and just practice rotating them weekly. I don't live in a particularly humid area, but a decent collection of filament can be a few hundred dollars, worth protecting. Now if I can only prevent every print failure... lol
Preventive like with Modbot never disappoints
I started with a RepRap I built in 2011.
I've used the cleaner since then. I do put 1 drop of vegetable oil, but mainly to attract the dust and junk that a dry sponge will not attract.
I have not noticed any degradation of the prints, but never have I had to deal with clogged anything.
I haven't tried more than 1 drop, so I can't say if it's any good or not. I recommend people try it and see for themselves for a few prints.
Good ideas. I just had to replace a filament run out sensor, when I opened it there was a lot of crud, and more interesting the micro switch hook had been worn through. 3 years and probably 75 spools.
As someone who won’t be storing different colors of filament I guess I don’t need to worry about this
i bought airtight boxes, put labels on them and dropped big bag of silica balls for moisture in it. till now i never had problems with wet filament and keeps it clean. i can send you a link if you like so you can take a look if it is something for you.
Just like a cast iron pot putting a bit of oil on the filament so it can get into the hot end will "Season" the nozzle making it smoother and filling all the tiny tooling imperfections.
I don't see the point in oiling all your filament. However it is beneficial to "season" your hotend if there's no ptfe in that heat break. I've experimented with this a decent bit and always have better results by doing so.
You can cut the sponge with a slit in the middle, that way you don't get to much tension and can add and remove the sponge
I only use oil for all metal hotends. It's the same concept as a cooking pan where you season a pan with oil to make it non stick. It makes the inside the of hotend non stick and I have never experienced a jam with my all metal hotends before. I use an oiler once every 6 months or so then go back to a non oiled sponge for dust protection since I print in my garage and the printers are out in the open.
Amazon has bulk deals on 12 packs of these for super cheap. I've been using them on every printer and print since 2019, and if you've seen one opened after a full kilo of filament, you'll start using them too
I remember something about a discussion that was going on about a year ago, in regards to oilers. I’ve never used one because the oil will leave carbon deposits in the hot end and nozzle over time. Whether or not it is an issue, hasn’t really been fully investigated, but I don’t see a need to risk damage to the hot end.
i have been personally using oil dusters for 3 months now and it has improved my stringings a lot, only thing is if your extruder is grinding off the filaments it will generate plastic powders that will actually stick dust into the hotend more. But the lubrication is only necessary for about an hour of printing and after that you can remove the oiling. This is the lubricate the bowden tube primarily
i just fold a sponge around the filament and hold it with a bulldog clip, easy to check/change/silghtly move & rotate the path occasionally
One caution on vegitable based oils. If you frequently changed print temperatures, the "seasoning" layer that builds up can flake off and create nozzle clogs or discolored flecks in your finished print.
Check out MIG welder wire cleaning pads. They go on over the filament. No need to feed it through the thing.
And before someone says it, you could probably make a 3D printed version, so you don't haver to buy one.
Printed it today and used piece of cotton ball since I didn't have a sponge
I am going to try using a pellet dehumidifier in a sealed plastic container to store my Filament the stuff works great in a closet or for keeping a camper dry during storage I don't know if it will work for this I'll know in a few months I asked on some forums if anyone has done this? with no response. I'm just getting into the Filament printing I already have a M2P and Saturn resin printers but because they are expensive for large parts I went and purchased a Ender 3 v2 yesterday with a bunch of upgrades I didn't but any fancy filament yet that's for later when master the basics. Great videos keep em coming 🙂😃😁
The ones I remember are "oilers" to rehab older bowden tubes.
Yeah.. oilers were good for the bowden tubes, and also for the clone "all metal" hot ends with rough heat breaks where PLA would otherwise stick.
Curious if you done any before and after testing on extrusion and resistance to the filament? I doubt it changed anything, it dosnt seem like it probably added much resistance to the filament pathway, but it is something I would be curious to know the results. If you extrude 100mm of filament using one of these, does it still extrude 100mm of filament?
how thick is the sponge you used?
Thanks.
Thank you, I live in a dog boarding house… you can’t imagine the hair and dust 😂
Get a tent for your printer
Quick question about the design. Wouldn't it be easier to make it quite a bit smaller? It would print much faster and would make no difference to how well it cleans. Actually... something longer but less wide might be more effective
I have the Voxelab Aquila and cross threaded the nosel. I'm wondering what complete hotend, or direct drive hotend I should get. Could you give any ideas??
I just looked up your printer. The E3D V6 heater block should be a direct fit. I'd pick up an all metal heat break at the same time. I also recommend not using cheap knockoffs, there is a difference in the interior finish of the nozzles.
You should print yourself a filament clip, stop bending your filament around in your spools, this can cause deformation which leads to under/over extrusion.
is it just me ive printed the filament cleaner a few times and the top doesn't fit ?
If you use oil, be sure to use a high temperature oil. Olive oil, peanut oil, and grapeseed oil are most common. If you don't use a high temperature oil you'll end up with gooey carbon gunk coming out of your nozzle. Don't ask how I know.
I used to use a filament cleaner, but on a long print the sponge started to break apart and leave little bits of sponge on the filament that clogged my nozzle =(
Try some cotton balls instead
I use dry boxes which have integrated sponge filters on the exit to a reverse Bowden. Filament is NEVER left out as I live in quite a damp (160 year old) house!
I have only oiled filament when I was struggling to get some terrible silver PLA to print, didn't help a lot!
why dont you just put the filament rolls in a plastic/ziplock bags?
Dont WE have an Filament Filter since ..... Nearly ever? XD
Who stores their filament out in the open?
Lol so many people
just get some ziplock bags
🖖👍
i wouldn't do this...it causes friction, you do not want anything touching your filament same goes to filament guides.
That looks like it would cause friction issues.
Nearly 9 minutes video that could've been 30 seconds.
Yu hafe dust?
Don't use cheap sponges like he recommends.
This is false economy, even a quality sponge is cheap, and will go a long way.
Someday, you will find yourself cleaning a nozzle packed full of bits of sponge. The cheap ones will fall apart during a single long print.