Help... Melted PLA in the extruder

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Help... Melted PLA in the extruder

Postby Mardoqueo Harrington » Mon Apr 02, 2018 5:37 am

So this happened, any suggestions?
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Re: Help... Melted PLA in the extruder

Postby jason jason » Mon Apr 02, 2018 10:45 am

Wow. That's a lot of filament on it. You will need to get a lot of it removed too work on it. Boil some water and dip it in it for a little bit. Gently bend it down and away from the extruder. Work your way around paying special care around the wires. Wear gloves.
You may have to use some cutters to start to split the plastic if it has engulfed the wires. Do so while it is still hot from the boiled water.
It's probably best to free the wires first a little at a time, then move on to the rest of the mass.
If this method is not working for you let me know. I've never tried it on that much pla. Pla gets plyable in boiling water, so usually this trick will allow you to get it away from the extruder.
Good luck!
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Re: Help... Melted PLA in the extruder

Postby Mardoqueo Harrington » Tue Apr 03, 2018 5:41 am

sweet thanks for the tip we will give that a try!
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Re: Help... Melted PLA in the extruder

Postby jason jason » Tue Apr 03, 2018 9:10 am

Keep me posted! :)
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Re: Help... Melted PLA in the extruder

Postby theGleep » Thu Apr 12, 2018 7:25 am

One trick that really helped me was to boil water in the microwave, then soak the head in the water (AFTER I removed it from the circuit board!!!)

That softened the plastic enough that I could pull it off the head.
My experience is all DaVinci Jr. Pro. 1.0
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Re: Help... Melted PLA in the extruder

Postby jason jason » Fri Apr 13, 2018 9:25 am

I agree, only put the hotend in the water, not the PCB.
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Re: Help... Melted PLA in the extruder

Postby Mardoqueo Harrington » Thu Aug 09, 2018 7:13 pm

So, a while back we had a meltdown with our extruder. I created this topic to get some help, which thanks to everyone for the advice.
We ended up saying screw it, let's get the smaller mm extruder. That's how we solved the problem. We took the old one put all the pieces in a box and until about 3 days ago totally forgot about it. So took it out of the box, put in a mason jar filled it with Acetone to just cover the PLA and left it. I checked on it tonight noticed nothing was different, except the acetone was copper color, picked the extruder up... and the PLA fell off. fricken awesome. We will be gone this upcoming week, but next week when we get back well try to rebuild the unit, if we remember how lol, and let you all know how it turns out.
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Re: Help... Melted PLA in the extruder

Postby melodictweet » Mon Sep 24, 2018 3:28 pm

theGleep wrote:One trick that really helped me was to boil water in the microwave, then soak the head in the water (AFTER I removed it from the circuit board!!!) driving games

That softened the plastic enough that I could pull it off the head.


sweet thanks for the tip we will give that a try!
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Re: Help... Melted PLA in the extruder

Postby Towncity.inc » Thu Dec 06, 2018 8:57 pm

I had the same problem just happen to me. I am assuming this is rare but i have the most sour luck in the world :(
I found out if you lightly tap it with a hammer that the PLA pops right off the extruder.
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